IMO PUMPS
Three-screw pumps are the largest class of multiple screw pumps in service today.They are commonly used formachinery lubricationhydraulic elevatorsfuel oil transport and burner servicepowering hydraulic machineryThey are also used in refinery processes for high-temperature viscous products such as asphalt, vacuum tower bottoms and residual fuel oils.Three screw pumps also find extensive use in crude oil pipeline service as well as gathering, boosting and loading of barges and ships. They are common in engine rooms on most of the world's commercial marine vessels and many combat ships.Flow rates are available from 1 to 3300 GPM (4 to 13,250 L/M) or for operating pressures to 4500 PSIG (310 BAR).Subject to material selection limitations, three screw pumps are also used for polymer pumping in the manufacture of synthetic fibres such as nylon and lycra.Designs are now available in sealless configurations such as magnetic drives and canned arrangements. The magnetic drive screw pump is used extensively for pumping isocyanate, a plastic component that is an extremely difficult fluid to seal using conventional technology.Pumps are also now available in sealless canned configurations.Three screw pumps are renowned for their low noise levels, high reliability and long life. Three screw pumps are capable of water injection services (Tritec) as well as high-pressure coolant service for machine tools (Emtec).
Speak To An Expert8L Series
Imo 8L series pumps are designed for pipeline transport in medium to high-pressure service on crude oils, fuel oils and other petroleum products. Pumps consistently operate with very high efficiencies, typically over 80%. Energy costs are a significant portion of total pipeline operating expenses. Utilizing 8L series pumps from CIRCOR can appreciably reduce these costs when compared to centrifugal pumps. The 8L series also finds extensive use in steam/electric power plants as the burner pumps supplying fuel to the boilers. Many systems are equipped to handle distillate fuel oil, low sulfur and residual oils with standard Imo 8L pumps. This flexibility allows optimum fuel use depending on price and availability.
Casing - High shock capacity ductile (nodular) iron standard in sizes 400 and 462, cast steel optional. Size 630 uses a fabricated steel case.
Rotor Housing - Bronze standard on sizes 400 and 462, bimetal optional. Bimetal standard on size 630.
Power Rotor - Alloy steel, nitride hardened and thread ground.
Idler Rotors - Alloy steel, nitride hardened and thread ground.
Gaskets - Buna N and fluoroelastomer.
Seal & Bearing - Type B: Buna N bellows mechanical seal with carbon on niresist faces, Buna N o-rings and external, permanently grease packed deep groove ball bearing. Recommended for distillate oils. Type H: Positive drive mechanical seal with carbon on tungsten carbide faces (standard on sizes 462 and 630, optional on size 400), fluoroelastomer o-rings and external, high temperature, permanently grease packed deep groove ball bearing (size 630 has regreaseable duplex bearings). Recommended for residual and crude oils.
Accessories - Completely mounted, built to order pump/driver assemblies are available with baseplates, ANSI RF spool pieces, etc.
Outlet Pressure - 1000 PSIG (70 BAR) maximum, bronze construction. 1500 PSIG (103 BAR) maximum, bimetal construction. Minimum recommended differential pressure is 40 PSI (2.8 BAR). Consult Imo Pump for higher pressures.
Inlet Pressure - 75 PSIG (5.2 BAR) maximum, sizes 400 & 462. Modification to 600 PSIG (41.4 BAR) available. 150 PSIG (10.3 BAR) maximum, size 630.
Viscosity - 33 SSU (2.0 CST) minimum. Type B: 3000 SSU (650 CST) maximum. Consider cold startup conditions. Type H: Viscosities above 3000 SSU (650 CST).
Temperature - Type B: 0 to 180°F (-18 to 82°C). Type H: 0 to 250°F (-18 to 121°C)
Drive - Direct only.
Rotation - Clockwise facing pump shaft .
Mounting - May be foot mounted in any orientation.
Filtration - Inlet strainers are required to keep contaminants and abrasives out of the pump. They must be selected in consultation with the strainer vendor to prevent pump starvation. Normally, 60 mesh (0.01 inch- 238 micron) for light and 1/8-3/16 inch (3-5mm) openings for heavy oils are recommended.
Maximum Speed* - 2300 RPM maximum for sizes 400 and
G3DBSTX-218L/1002 |
G3DBSTX-218L/1002 |
G3DBSTX-218L/1003 |
G3DBSTX-218L/1003 |
G3DNSTX-218L/1007 |
G3DNSTX-218L/1007A |
G3DNSTX-218L/1007 |
PG3DYSJ-218L |
PG3DYSJ-218L |
G3DKC-218L |
G3DNSTX-218L |
G3DNSTX-218L |
G3DBCR-218L |
G3DBSTX-218L |
DG3DHH-218L |
DG3DHH-218L |
PG3DNCSJ-218L |
G3DHH-218L |
G3DHH-218L |
G3DBRST-218L |
G3DBRST-218L |
G3DBRST-218L/236DC |
G3DBRST-218L/236NC |
G3DBS-218L |
G3DBS-218L |
G3DBC-218L |
G3DBC-218L |
G3DBCS-218L |
G3DBCS-218L |
G3DBST-218L |
G3DBST-218L |
G3DH-218L |
G3DH-218L |
G3DHC-218L |
G3DHC-218L |
G3DHS-218L |
G3DHS-218L |
G3DHCS-218L |
G3DHCS-218L |
G3DHST-218L |
G3DHST-218L |
G3DKH-218L |
G3DKH-218L |
G3DB-218L |
G3DB-218L |
G3DHRSTX-218L/253 |
G3DHRSTX-218L/253 |
G3DHRST-218L |
G3DHRST-218L |
PG3DNJ-218L |
PG3DNJ-218L |
PG3DNSJ-218L |
PG3DNSJ-218L |
PG3DNSJ-218L/260DC |
RG3DNJ-218L |
RG3DNSJ-218L |
G3DHRS-218L |
G3DHRS-218L |
G3DHCSX-218L/275 |
G3DHCSX-218L/275 |
G3DNST-218L |
G3DNST-218L |
PG3DNSJX-218L/279 |
PG3DNSJX-218L/279 |
DG3DB-218L |
G3DBSX-218L/281 |
G3DHT-218L |
G3DHT-218L |
G3DBR-218L |
G3DBR-218L |
RG3DNSJX-218L/284 |
RG3DNSJX-218L/284 |
G3DBTX-218L/285 |
PG3DNRSJ-218L |
PG3DNRSJ-218L |
PG3DNSRJ-218L |
PG3DYJ-218L |
PG3DYJ-218L |
A6DKH-218L |
G6DB-218L |
G6DB-218L |
A12DBST-218L |
K12DHZC-218L |
G12DBS-218L |
BK12DHZS-218L |
K8LDFS-912Y |
K8LDFX-912Y/002 |
K8LDFX-912Y/003 |
M8LKFX-912Y/004 |
M8LKF-912Y/004 |
M8LKFX-912Y/005 |
M8LKF-912Y |
8L-912Y |
DLH8LNEU-630M |
DAH8LNEU-630M |
DLH8LXDS-630J/002 |
DAH8LXDS-630J/002 |
DAH8LDDT-630M |
DLH8LDDT-630M |
DLH8LNEU-630J |
DLH8LXFU-630J/008 |
DLH8LXFU-630J/008/009 |
DLH8LXFU-630J/009 |
DLH8LNEUX-630M/010 |
DLH8LNEUX-630M/011 |
GLH8LDDT-630M |
DLH8LXDU-630N/015 |
DLH8LXDU-630K/016 |
GLH8LDDT-630J |
GLH8LDDTX-630M/018 |
GLH8LDDTX-630J/019 |
J8LXDST-630N |
J8LXDST-630N |
J8LNDST-630M |
J8LNDST-630M |
J8LNDSTX-630M |
GLH8LXDU-630K |
GLH8LXDU-630N |
J8LDDSTX-630M/024 |
J8LDDSTX-630M/024 |
J8LDDST-630M |
J8LDDST-630M |
J8LDDSTX-630/026 |
J8LDDSTX-630/026 |
J8LDDST-630J |
J8LDDST-630J |
J8LDDSTX-630K |
J8LDDSTX-630K/028 |
GLH8LDDTX-630M/029 |
J8LXDST-630M |
J8LXDST-630M |
J8LNDST-630J |
J8LNDST-630J |
J8LNDST-630J/031 |
J8LNDSTX-630J |
J8LNDSTX-630J/032 |
J8LDDSTX-630J/033 |
J8LDDSTX-630J/033 |
GLH8LXD-630C |
8L-630 |
GLH/J8L-630 |
GLH8L___-630C |
CBH8LHE-400 |
CBH8LBE-400P |
CBH8LBE-400 |
GLH8LHDT-400 |
CAH8LHDT-400 |
CAH8LHDX-400 |
H8LNG-400P |
BH8LHE-400 |
BH8LHE-400P |
CBH8LHES-400P |
CRH8LFDT-400 |
CLH8LFDT-400 |
BH8LBE-400 |
CBH8LB-400 |
CAH8LDDT-400 |
BH8LBE-400P |
BH8LBEU-400P |
DAH8LNDT-400 |
A8LBE-400 |
A8LBE-400P |
EAH8LDDT-400 |
EAH8LHDT-400P |
DBH8LDDT-400P |
DBH8LDDT-400 |
EBH8LHDTS-400P |
EAJ8LDDT-400 |
ELJ8LDDT-400 |
ELH8LHDTS-400 |
DLH8LDDT-400 |
DRH8LDDT-400 |
ELH8LDDT-400 |
ELH8LDDT-400P |
ELH8LHDT-400 |
CLH8LHDT-400 |
GLH8LHDT-400P |
ELH8LHDT-400P |
GLH8LHDT-400 |
GLH8LHDT-400P |
GLH8LDDT-400 |
GLH8LDDT-400 |
GLH8LDDTX-400/181 |
GLH8LDDT-400P |
GLH8LDDT-400P |
GLH8LNDTX-400/183 |
GLH8LNDTX-400/183 |
GLH8LXDT-400/184 |
GLH8LXDT-400/184 |
GLH8LHDTS-400P |
GLH8LHDTS-400P |
CAH8LHDT-462 |
CAH8LDDT-462 |
CAH8LSAT-462 |
GLH8LDDT-462 |
H8LHDT-462 |
CBH8LHET-462 |
BH8LHET462 |
LH8LNGT-462 |
CAH8LNGT-462 |
CBH8LP-462 |
CBH8LAE-462 |
DLH8LDDT-462 |
DLH8LSDS-462 |
CBH8LHEU-462 |
CAH8LDDTX-462/135 |
DBH8LDDT-462 |
CLH8LDGTX-462/137 |
GLH8LDGTX-462/137 |
EAH8LDDT-462 |
EBH8LHDT-462 |
EAJ8LDGSTX-462/141 |
ELH8LDDT-462 |
CLH8LNFT-462 |
ELH8LHDSTX-462/145 |
ELH8LHDSTX-462 |
ELH8LHDT-462 |
CLH8LHDT-462 |
ELH8LDGT-462 |
ELH8LHXDT-462/149 |
GLH8LHDT-462 |
GLH8LDDT-462 |
GLH8LHDT-462 |
J8LDDSX-462/159 |
J8LDDSX-462/159 |
GLH8LNFT-462 |
GLH8LXFT-462 |
GLH8LXDT-462/161 |
GLH8LXDT-462/161 |
GLH8LXDT-462/162 |
GLH8LXDT-462/162 |
J8LDDSX-462/163 |
J8LDDSX-462/163 |
GLH8LNDT-462 |
GLH8LNDT-462 |
GLH8LNGT-462 |
GLH8LNGT-462 |
GLH8LNFT-462/166 |
J8LDDSX-462/167 |
J8LDDSX-462 |
3212/1002 |
3212/1002A |
3212/1003 |
3212/1003A |
3212/1007 |
3212/1007A |
3212/1011 |
3212/1014 |
3212/1018 |
3212/1019 |
3212/1021 |
3212/1022 |
3212/1024 |
3212/1028 |
3212/236 |
3212/236A |
3212/236DC |
3212/236NC |
3212/238 |
3212/238A |
3212/239 |
3212/239A |
3212/240 |
3212/240A |
3212/242 |
3212/242A |
3212/243 |
3212/243A |
3212/244 |
3212/244A |
3212/245 |
3212/245A |
3212/246 |
3212/246A |
3212/247 |
3212/247A |
3212/248 |
3212/248A |
3212/249 |
3212/249A |
3212/253 |
3212/253A |
3212/254 |
3212/254A |
3212/259 |
3212/259A |
3212/260 |
3212/260A |
3212/260DC |
3212/261 |
3212/261A |
3212/262 |
3212/262A |
3212/269 |
3212/269A |
3212/272 |
3212/272A |
3212/275 |
3212/275A |
3212/277 |
3212/277A |
3212/279 |
3212/279A |
3212/280 |
3212/280A |
3212/281 |
3212/281A |
3212/282 |
3212/282A |
3212/283 |
3212/283A |
3212/284 |
3212/284A |
3212/285 |
3212/285A |
3212/288 |
3212/288A |
3212/289 |
3212/289A |
3212/295 |
3212/295A |
3212/328 |
3212/332 |
3212/532 |
3212/532A |
3212/533 |
3212/566 |
3212/570 |
3266/001 |
3266/002 |
3266/003 |
3266/004 |
3266/004-SSEP |
3266/004SSEP |
3266/005 |
3266/007 |
3266/1000TK |
3267/001 |
3267/002 |
3267/005 |
3267/006 |
3267/007 |
3267/008 |
3267/009 |
3267/010 |
3267/010-1 |
3267/011 |
3267/011-1 |
3267/013 |
3267/013M |
3267/015 |
3267/016 |
3267/017 |
3267/018 |
3267/019 |
3267/020 |
3267/021 |
3267/021W |
3267/021WX |
3267/022 |
3267/022W |
3267/023 |
3267/024 |
3267/025 |
3267/025L |
3267/026 |
3267/027 |
3267/028 |
3267/028SSEP |
3267/029 |
3267/030 |
3267/031 |
3267/031X |
3267/031W |
3267/032 |
3267/033 |
3267/034 |
3267/1000M |
3267/1000TK |
3267/1000W |
3267/1001M |
3268/020M |
3268/020 |
3268/064M |
3268/065M |
3268/1000M |
3268/101 |
3268/104 |
3268/111 |
3268/114 |
3268/115 |
3268/118 |
3268/121 |
3268/125M |
3268/125 |
3268/132M |
3268/134 |
3268/136 |
3268/140 |
3268/142 |
3268/143 |
3268/144 |
3268/145 |
3268/147M |
3268/148M |
3268/150 |
3268/152 |
3268/153M |
3268/156 |
3268/158 |
3268/159 |
3268/160 |
3268/161 |
3268/162 |
3268/162M |
3268/162L |
3268/163 |
3268/163L |
3268/164 |
3268/164L |
3268/165 |
3268/166 |
3268/169 |
3268/169M |
3268/169L |
3268/170 |
3268/170M |
3268/170L |
3268/171 |
3268/172 |
3268/173 |
3268/174 |
3268/175 |
3268/176 |
3268/177 |
3268/177LX |
3268/178 |
3268/179 |
3268/180 |
3268/181 |
3268/182 |
3268/183 |
3268/184 |
3268/185 |
3269/060 |
3269/062 |
3269/063 |
3269/1000M |
3269/112 |
3269/114 |
3269/118 |
3269/120 |
3269/121 |
3269/125 |
3269/127 |
3269/128 |
3269/128L |
3269/129 |
3269/133 |
3269/135 |
3269/136 |
3269/137 |
3269/138 |
3269/139 |
3269/141 |
3269/143 |
3269/143L |
3269/144 |
3269/145 |
3269/146 |
3269/147 |
3269/148 |
3269/149 |
3269/150 |
3269/151 |
3269/151M |
3269/151L |
3269/152 |
3269/152M |
3269/152L |
3269/153 |
3269/154 |
3269/155 |
3269/156 |
3269/157 |
3269/158 |
3269/159 |
3269/160 |
3269/160L |
3269/160W |
3269/160WX |
3269/161 |
3269/162 |
3269/163 |
3269/163L |
3269/164 |
3269/165 |
3269/166 |
3269/167 |
3269/167L |
12 D Series
Series 12D Imo pumps are intended for relatively high-pressure service on petroleum or similar viscosity liquids. Typical applications include crude oil pipeline service, fuel atomization for burning in a steam boiler, fuel injection for combustion gas turbines, fluid power service on hydraulically operated machinery, gas sealing in centrifugal compressors and hydrostatic bearing support.
These pumps are hydraulically balanced in both the axial and radial directions which eliminates bearing loads due to discharge pressure. The single bearing is external to the liquid pumped and does not rely on the lubricating qualities of the pumped liquid. The single mechanical seal is exposed only to inlet pressure. Very low airborne noise levels are normal for Imo three screw positive displacement pumps as are high operating efficiencies and non-pulsating delivery of flow.
12D SERIES |
Nominal flow rate, GPM/LPM, at 2200 PSI (152 BAR), 200 SSU (43 CST) |
|||||
SPEED RPM |
||||||
Size |
3500 |
2900 |
1750 |
1450 |
1150 |
960 |
106 |
12/45 |
9/35 |
4/15 |
- |
- |
- |
118 |
17/66 |
14/51 |
6/23 |
- |
- |
- |
137 |
28/107 |
22/84 |
11/40 |
8/29 |
- |
- |
156 |
43/165 |
35/131 |
18/67 |
13/50 |
9/34 |
- |
187 |
77/293 |
62/235 |
33/125 |
25/96 |
18/67 |
13/49 |
218L |
101/383 |
81/308 |
44/166 |
34/128 |
24/91 |
18/67 |
218 |
126/479 |
102/387 |
56/211 |
44/165 |
32/119 |
24/90 |
250 |
191/725 |
155/588 |
86/326 |
68/257 |
50/189 |
38/145 |
275E |
217/822 |
176/667 |
98/370 |
77/292 |
57/215 |
44/166 |
275 |
- |
209/792 |
117/442 |
93/351 |
69/260 |
53/202 |
312P |
- |
248/939 |
140/529 |
112/422 |
83/315 |
65/247 |
312 |
- |
313/1186 |
178/673 |
142/539 |
107/406 |
85/321 |
350 |
- |
- |
255/966 |
206/778 |
156/590 |
125/472 |
400P |
- |
- |
309/1169 |
250/945 |
190/721 |
153/578 |
Specifications
Casing - High shock capacity ductile (nodular) iron. Cast steel optional, sizes 118-218.
Rotor Housing - Pearlitic gray iron for rotor sizes 106 through 187; bronze sizes 218 and larger. Special bimetallic housings available in some sizes for low viscosity, high pressure services.
Power Rotor -Alloy steel, nitride hardened and thread ground.
Idler Rotors - Pearlitic gray iron, induction hardened and thread ground for sizes 106 through 187; alloy steel, nitride hardened and thread ground.
Gaskets - Cellulose and non-asbestos fiber.
Seal & Bearing - Type B: Buna N bellows mechanical seal, Buna N o-rings and standard external, permanently grease packed, deep groove ball bearing- recommended for distillate fuels and lubricating oil or hydraulic fluids. Type H: Positive drive mechanical seal, fluoroelastomer o-rings and external high temperature, permanently grease packed, deep groove ball bearing.
Accessories - Completely mounted, built to order pump/driver assemblies are available with baseplates, ANSI RF spool pieces, NEMA ‘C’ face adapters.
Outlet Pressure - 2200 PSIG (152 BAR) maximum for lube, seal and hydraulic oils. 1500 PSIG (103 BAR) maximum for distillate, residual and crude oils. Minimum recommended differential pressure is 40 PSI (2.8 BAR).
Inlet Pressure - Type B & H: 75 PSIG (5 BAR) maximum, distillate fuel, lube- sizes 106-187. 50 PSIG (3 BAR) maximum, distillate fuel, lube- sizes 218-400. Type H: 40 PSIG (2.7 BAR) maximum, residuals and crude oil- sizes 106-187. 10 PSIG (0.7 BAR) maximum, residuals and crude oil- sizes 218-400
Viscosity - 33 SSU (2.0 CST) minimum. Type B: 3000 SSU (650 CST) maximum (consider cold start). Type H: Viscosities above 3000 SSU (650 CST)
Temperature - Type B: 0 to180°F (-18 to 82°C). Type H, sizes 106-187: 0 to 250°F (-18 to 121°C) for <1800 RPM, 0 to 225°F (-18 to 107°C) for > 1800 RPM. Sizes 218 and up: 0 to 200°F (-18 to 93°C).
Drive - Direct only. Magnetic Drive configurations also available.
Rotation - Clockwise facing pump shaft . Consult Imo for counterclockwise.
Mounting - May be foot mounted in any orientation. Flange mounting optional for certain applications.
Filtration - Inlet strainers are required to keep contaminants and abrasives out of the pump. They must be selected in consultation with the strainer vendor to prevent pump starvation. Normally, 60 mesh (0.01 inch- 238 micron) for light and 1/8-3/16 inch (3-5mm) openings for heavy oils are recommended.
Maximum Speed - Do not exceed 1800 RPM pumping residual fuels or crude oil due to the presence of abrasives and contaminants:
Size: | 106 | 118 | 137 | 156 | 187 | 218 | 250 | 275 | 312 | 350 | 400 |
RPM | 4400 | 4400 | 4400 | 4400 | 4400 | 3600 | 3600 | 3000 | 2500 | 2500 | 2500 |
* Assumes minimum inlet pressure requirements are met.
12D-118 above is typical of sizes 106 through 187 having 4-bolt socket weld inlet and outlet flanges (mating flanges included with pump). Larger sizes have ANSI flanged inlet connections.
C324ABF-412D |
12DB-106 |
12DF-106 |
A12DB-106 |
AJ12DB-106 |
A12DH-106 |
A12DH/B12DH-106 |
B12DB-106 |
BJ12DB-106 |
B12DH-106 |
BJ12DH-106 |
B12DXN-106S/624 |
B12DBT-106 |
12DB-118 |
12DF-118 |
A12DB(S)-118 |
A12DB-118 |
A12DXST-118 |
A12DH-118 |
B12DB-118 |
B12DBS-118 |
BJ12DB-118 |
B12DBST-118 |
B12DH-118 |
B12DH(S)-118 |
B12DHS-118 |
B12DXX-118 |
B12DHT-118 |
12DB-137 |
12DF-137 |
A12DB(S)-137 |
A12DB-137 |
A12DBS-137 |
AJ12DB(S)-137 |
A12DBST-137 |
A12DUST-137 |
B12DB-137 |
A12DH-137 |
A12DH(S)-137/D |
A12DHS-137D |
AJ12DH-137 |
A12DH-137D |
A12DHCS-137D |
A12DHCST-137 |
B12DBS-137 |
B12DH-137 |
B12DHS-137 |
B12DH-137D |
B12DBST-137 |
A12DVS-137 |
A12DKH-137 |
B12DBCT-137 |
B12DKH-137 |
BJ12DBST-137 |
B12DHST-137 |
B12DHC-137 |
B12DHCX-137/544 |
BJ12DB-137 |
B12DNST-137 |
B12DHS-137D3 |
BG12DB-137 |
G12DHC-137 |
G12DBC-137 |
BG12DH-137 |
BG12DBS-137 |
BG12DH-137A |
BG12DH-137AL |
BG12DB-137AL |
BG12DKH-137 |
BG12DB-137A |
BG12DHS-137 |
G12DBCT-137 |
G12DHCS-137D |
GJ12DBST-137 |
BG12DNST-137 |
BG12DHS-137AL |
BG12DBST-137 |
G12DHCST-137 |
BG12DH-137D |
12DB-156 |
12DF-156 |
A12DB(S)-156 |
BC12DV-156 |
C12DVS-156 |
CJ12DB-156 |
C12DB-156 |
C12DX-156/FS |
C12DB(S)-156 |
C12DX(S)-156/FS |
C12DBS-156 |
C12DBST-156 |
H12DBS-156 |
C12DH-156 |
C12DH(S)-156 |
C12DHS-156 |
C12DHST-156 |
C12DHX-156/554 |
CJ12DH-156 |
C12DXN-156/558 |
C12DNBJ-156 |
C12DHCS-156 |
JD12DZJ-156 |
CJ12DHC-156 |
BJ12DHCX-156/564 |
DLH12DHSTC-156 |
C12DHRST-156 |
12DB-187 |
12DF-187 |
A12DB-187 |
C12DVS-187 |
CJ12DB-187 |
CJ112DB-187 |
C12DB-187 |
C12DB(S)-187 |
C12DBS-187 |
C12DBX-187 |
C12DH-187D |
C12DBST-187 |
C12DH-187 |
C12DH(S)-187 |
C(J)12DH-187 |
C12DHS-187 |
CJ12DH-187 |
C12DBT-187D |
CJ12DHT-187 |
C12DB-187D |
C12DBSX-187/558 |
C12DBSX-187 |
C12DBC-187 |
GC12DNST-187 |
C12DHST-187 |
C12DHX-187/563 |
C12DHX-187/564 |
K12DHZ-187 |
K12DHZC-187 |
B12DHCX-187/567 |
C12DBS-187D3 |
C12DBS-187D |
CJ12DHX-187 |
BK12DHZ-187 |
BK12DHZC-187 |
G12DB-187 |
G12DH-187 |
G12DH-187AY |
C12DHST-187Y |
PG12DNSJ-187 |
G12DBS-187 |
G12DHS-187 |
G12DBC-187 |
G12DBST-187 |
GJ12DB-187 |
GJ12DH-187 |
GJ12DHT-187 |
GJ12DHX-187 |
G12DBS-187D |
G12DHST-187Y |
PG12DNSJ-187AY |
12DB-218 |
12DF-218 |
A12DB-218 |
A12DB(S)-218 |
A12DBS-218 |
A12DH-218 |
A12DHS-218 |
A12DBC-218 |
A12DES-218 |
JD12DZJ-218 |
A12DHT-218 |
A12DBST-218L |
K12DHZC-218L |
C12DV-218 |
TA12DBF-218 |
TK12DBF-218 |
TA12DBFX-218/559 |
A12DHX-218 |
G12DB-218 |
G12DH-218 |
G12DHS-218 |
G12DBS-218 |
G12DBC-218 |
G12DBS-218L |
G12DHTX-218/567 |
BK12DHZ-218 |
G12DHT-218 |
BK12DHZS-218L |
G12DXT-250/1025 |
12DB-250 |
12DF-250 |
A12DB-250 |
D12DB-250 |
A12DB-250D |
A12DH-250D |
A12DH-250 |
A12DZ-250 |
D12DZ-250 |
GD12DZ-250 |
JD12DZ-250 |
AJD12DZ-250 |
A12DX-250/530 |
A12DXT-250 |
BJD12DZ-250 |
TA12DBF-250 |
K12DHZ-250 |
K12DHZ-250G |
GD12DZX-250 |
A12DHT-250P |
D12DZX-250G |
BK12DHZ-250 |
BK12DHZ-250G |
A12DBT-250 |
G12DB-250 |
G12DH-250 |
G12DHT-250P |
BK12DHZC-250G |
BK12DXZC-250P/572 |
G12DXT-250/573 |
G12DH-250D |
12DB-275 |
12DF-275 |
A12DB-275 |
D12DB-275 |
A12DH-275 |
A12DH-275D |
D12DBT-275 |
A12DHST-275 |
A12DZST-275 |
D12DXS-275/556 |
D12DZC-275E |
K12DHZ-275 |
K12DHZCX-275E/563 |
K12DHZ-275E/275 |
K12DHZX-275E/564 |
K12DHZ-275E |
AK12DXZ-275E |
DLH12DHTX-275/568 |
DLH12DHT275 |
K12DHZC-275E |
AK12DHZ-275E |
A12DB-275E |
BK12DHZ-275E |
BK12DHZC-275E |
G12DB-275 |
BK12DHZ-275 |
G12DH-275 |
G12DB-275E |
G12DHST-275 |
AG3DBCS-312D |
AG3DBS-312D |
AG3DKCS-312D |
BG3DHCSTX-312D/1080 |
AG3DKC-312D |
AG3DB-312D |
AG3DBC-312D |
AG3DBCST-312D |
AG3DBCX-312D/167 |
AG3DH-312DC |
AG3DH-312D |
BG3DHST-312DC |
AG3DKHCS-312D |
BG3DHST-312D |
6DHX-312D/333 |
G6DHT-312D |
12DB-312 |
12DF-312 |
A12DB-312 |
A12DX-312 |
A12DH-312 |
A12DZ-312 |
K12DHZ-312P |
K12DHZ-312P/GE |
AK12DHZ-312P |
A12DH-312P |
C12DV-312 |
TA12DBF-312 |
TA12DBFX-312 |
A12DHX-312/559 |
A12DHT-312 |
DLH12DHT-312P |
AK12DHZX-312P/562 |
A12DHT-312P3 |
A12DHT-312P |
BK12DHZ-312P |
G12DB-312 |
G12DH-312 |
DLH12DHT-312 |
G12DHT-312 |
12DB-350 |
12DF-350 |
A12DB-350 |
A12DH-350 |
B12DHT-350 |
G12DZ-350 |
H12DZ-350 |
A12DX-350/530 |
A12DHX-350/531 |
H12DZC-350 |
K12DHZ-350 |
K12DHZX-350/534 |
K12DHZ-350P |
K12DHZ-350G |
K12DHZ-350G/P |
AK12DHZ-350J |
AK12DHZ-350AN |
AK12DHZ-350P |
K12DHZX-350G/540 |
C12DV-350 |
AK12DHZ-30 |
AK12DHZ-350 |
AK12DHZX-350G/543 |
DLH12DHT-350G |
K12DHZX-350G |
AK12DHZ-350G |
BK12DHZ-350G |
BK12DHZ-350 |
BK12DHZ-350P |
BK12DHZ-350J |
BK12DHZ-350AN |
BK12DHZX-350/552 |
AG12DB-350 |
AG12DH-350J |
AG12DH-350 |
BG12DHT-350 |
DLH12DHT-350 |
BK12DHZX-350G |
BK12DHZX-350J |
DLH12DHTX-350 |
DLH12DHT-350P |
12DB-400 |
A12DB-400 |
A12DX-400 |
A12DH-400 |
H12DZS-400P |
DLH12DHSDT-400P |
DLH12DHST-400P |
DLH12DHDT-400 |
DLH12DHSTX-400AJ |
DLH12DHST-400AJ |
DLH12DHSTX-400P/531 |
DLH12DHSTX-400AJ/532 |
DLH12DHSTX-400P/533 |
DLH12DHST-400A |
DLH12DHST-400 |
DLH12DHST-400/535 |
DLH12DHSTX-400P |
BK12DHZS-400P |
BK12DHZS-400M |
BK12DHZS-400G |
DLH12DHSTX-400P/540 |
DLH12DHSTX-400G |
BK12DXZS-400AJ |
BK12DHZSX-400P |
AG413DVCS-312D |
B12DBX-250/763 |
3043/1576 |
3201/501 |
3201/502 |
3201/511 |
3201/512 |
3201/521 |
3201/611 |
3201/612 |
3201/621 |
3201/623 |
3201/624 |
3201/626 |
3202/501 |
3202/502 |
3202/511 |
3202/515 |
3202/521 |
3202/611 |
3202/612 |
3202/613 |
3202/614 |
3202/621 |
3202/622 |
3202/623 |
3202/624 |
3203/501 |
3203/502 |
3203/511 |
3203/512 |
3203/514 |
3203/516 |
3203/518 |
3203/520 |
3203/521 |
3203/523 |
3203/524 |
3203/525 |
3203/526 |
3203/528 |
3203/529 |
3203/530 |
3203/531 |
3203/532 |
3203/533 |
3203/536 |
3203/538 |
3203/539 |
3203/540 |
3203/541 |
3203/542 |
3203/543 |
3203/544 |
3203/545 |
3203/546 |
3203/547 |
3203/548 |
3203/549 |
3203/550 |
3203/551 |
3203/552 |
3203/553 |
3203/554 |
3203/555 |
3203/556 |
3203/557 |
3203/558 |
3203/559 |
3203/560 |
3203/561 |
3203/562 |
3203/563 |
3203/564 |
3203/565 |
3203/566 |
3204/501 |
3204/502 |
3204/511 |
3204/512 |
3204/541 |
3204/542 |
3204/545 |
3204/546 |
3204/546/FS |
3204/547 |
3204/548 |
3204/549 |
3204/551 |
3204/552 |
3204/553 |
3204/554 |
3204/555 |
3204/558 |
3204/559 |
3204/560 |
3204/561 |
3204/563 |
3204/564 |
3204/565 |
3204/566 |
3210/501 |
3210/502 |
3210/511 |
3210/542 |
3210/545 |
3210/546 |
3210/547 |
3210/548 |
3210/549 |
3210/550 |
3210/551 |
3210/552 |
3210/553 |
3210/554 |
3210/555 |
3210/556 |
3210/558 |
3210/560 |
3210/561 |
3210/562 |
3210/563 |
3210/564 |
3210/565 |
3210/566 |
3210/567 |
3210/568 |
3210/569 |
3210/570 |
3210/571 |
3210/572 |
3210/573 |
3210/574 |
3210/575 |
3210/576 |
3210/577 |
3210/578 |
3210/579 |
3210/580 |
3210/581 |
3210/582 |
3210/583 |
3210/584 |
3210/585 |
3210/586 |
3210/587 |
3212/501 |
3212/502 |
3212/511 |
3212/512 |
3212/521 |
3212/525 |
3212/526 |
3212/526-1 |
3212/527 |
3212/530 |
3212/530M |
3212/531 |
3212/532 |
3212/533 |
3212/541 |
3212/557 |
3212/558 |
3212/559 |
3212/560 |
3212/561 |
3212/562 |
3212/563 |
3212/564 |
3212/565 |
3212/566 |
3212/567 |
3212/568 |
3212/569 |
3212/570 |
3215/1025 |
3215/501 |
3215/502 |
3215/511 |
3215/512 |
3215/514 |
3215/520 |
3215/521 |
3215/524 |
3215/525 |
3215/525M |
3215/526 |
3215/528 |
3215/529 |
3215/530 |
3215/531 |
3215/533 |
3215/557 |
3215/560 |
3215/561 |
3215/561-2 |
3215/562 |
3215/563 |
3215/564 |
3215/565 |
3215/566 |
3215/567 |
3215/568 |
3215/569 |
3215/570 |
3215/571 |
3215/572 |
3215/573 |
3215/574 |
3217/501 |
3217/502 |
3217/511 |
3217/513 |
3217/521 |
3217/523 |
3217/525 |
3217/542 |
3217/556 |
3217/560 |
3217/561 |
3217/563 |
3217/564 |
3217/565 |
3217/566 |
3217/567 |
3217/568 |
3217/569 |
3217/570 |
3217/571 |
3217/572 |
3217/573 |
3217/574 |
3217/575 |
3217/576 |
3217/577 |
3217/578 |
3220/1006 |
3220/1008 |
3220/1011 |
3220/1080 |
3220/1083 |
3220/152 |
3220/158 |
3220/165 |
3220/167 |
3220/190DC |
3220/192 |
3220/207DC |
3220/232 |
3220/275 |
3220/333 |
3220/394 |
3220/501 |
3220/502 |
3220/511 |
3220/512 |
3220/521 |
3220/522 |
3220/523 |
3220/523GE |
3220/523S |
3220/524 |
3220/525 |
3220/541 |
3220/557 |
3220/558 |
3220/559 |
3220/560 |
3220/561 |
3220/562 |
3220/563 |
3220/564 |
3220/565 |
3220/566 |
3220/567 |
3220/568 |
3222/501 |
3222/502 |
3222/511 |
3222/521 |
3222/524 |
3222/527 |
3222/529 |
3222/530 |
3222/531 |
3222/532 |
3222/533 |
3222/534 |
3222/535 |
3222/536 |
3222/537 |
3222/538 |
3222/539 |
3222/540 |
3222/541 |
3222/542 |
3222/543 |
3222/544 |
3222/545 |
3222/546 |
3222/547 |
3222/548 |
3222/549 |
3222/550 |
3222/550-X |
3222/551 |
3222/552 |
3222/553 |
3222/554 |
3222/555 |
3222/556 |
3222/557 |
3222/557L |
3222/558 |
3222/559 |
3222/560 |
3222/561 |
3222/562 |
3225/501 |
3225/511 |
3225/512 |
3225/521 |
3225/527 |
3225/528 |
3225/529 |
3225/530 |
3225/531 |
3225/532 |
3225/533 |
3225/534 |
3225/535 |
3225/536 |
3225/537 |
3225/538 |
3225/539 |
3225/540 |
3225/541 |
3225/542 |
3225/544 |
3325/243 |
3325/763 |
12L Series
Series 12L pumps are designed for very high pressure service primarily for compressor gas sealing, fluid power and hydrostatic bearing applications. Pumps are equipped with a steel case and balanced mechanical shaft seal. This series is believed to be the world’s highest pressure capability 3-screw pump.
12L SERIES |
Nominal flow rate, GPM/LPM, at 4500 PSI (276 BAR), 200 SSU (43 CST) |
||
SPEED RPM |
|||
Size |
3500 |
2900 |
1750 |
118 |
14/53 |
- |
- |
137 |
25/94 |
18/68 |
- |
156 |
39/146 |
29/110 |
- |
187P |
54/205 |
41/156 |
- |
187 |
70/267 |
55/207 |
- |
200 |
87/330 |
68/258 |
27/102 |
Specifications
Casing - Low alloy cast steel.
Rotor Housing - Pearlitic gray iron.
Power Rotor - Alloy steel, nitride hardened and thread ground.
Idler Rotors - Ductile iron, hardened and thread ground.
Gaskets - Fluoroelastomer o-rings with backup rings.
Seal & Bearing - Balanced mechanical seal with stainless steel bellows, fluoroelastomer o-rings and carbon on carbide sealing faces. External, permanently grease packed, deep groove ball bearing.
Accessories - Completely mounted, built to order pump/driver assemblies are available with baseplates, ANSI RF spool pieces, etc.
Outlet Pressure - 4000 PSIG (276 BAR) maximum for size 118. 4500 PSIG (310 BAR) maximum for sizes 137 through 200. Minimum recommended differential pressure is 40 PSI (2.8 BAR). Consult Imo Pump for higher pressures.
Inlet Pressure - 200 PSIG (13.8 BAR) maximum. 250 PSIG (17.2 BAR) maximum for type N.
Viscosity - 45 to 3000 SSU (5 to 650 CST)
Temperature - 0 to 250°F (-18 to 121°C)
Drive - Direct only.
Rotation - Clockwise facing pump shaft.
Mounting - May be foot mounted in any orientation.
Connections - Pumps have SAE 4-bolt socket weld flanges that are provided with the pump.
Filtration - Inlet strainers are required to keep contaminants and abrasives out of the pump. They must be selected in consultation with the strainer vendor to prevent pump starvation. Normally, 25 micron or finer inlet filtration is recommended.
Maximum Speed* - 3600 RPM
* Assumes minimum inlet pressure requirements are met.
Series 12L pump shown with optional discharge spool piece and inlet port rotated 90 degrees from the standard up position.
H/RLA12L/BP1Y/JWN |
H/112LXX/BP1Y/JWN |
H/RLA12L/BP1N/JWN |
E12LYTFS-118 |
A12LBS-118 |
B12LBS-118 |
A12LBST-118 |
E12LYTFS-118 |
E12LYTFS-137 |
A12LBS-137 |
A12LBST-137 |
E12LYTFS-156 |
A12LBS-156 |
A12LBST-156 |
A12LMES-156 |
E12LYTFS-137 |
E12LYTFSX-137/051 |
E12LYTFSX-137/051 |
E12LXTFSX-137/052 |
E12LXTFSX-137/052 |
E12LYTFS-156 |
E12LYTFSX-156/151 |
E12LYTFSX-156 |
E12LYTFS-156 /FS |
E12LYTFS-156 /FS |
E12LXTFS-156 |
E12LXTFS-156 |
E12LYTFS-187 |
A12LBS-187 |
A12LBST-187 |
E12LYTFS-200 |
A12LBS-200 |
A12LBS-187/200 |
C12LBS-200 |
A12LBST-200 |
D12LKS-200 |
E12LYTFS-187 |
E12LYTFS-187 |
E12LYTCS-187 |
E12LYTFS-187P |
E12LYTFS-187P |
E12LYTFS-187Y |
E12LYTFS-200 |
FPG12LZ-250 |
FPG12LZ-250 |
CTJ12LB-250 |
CTJ12LM-250 |
3242/280-4 |
3252/774-1 |
3253/260-11 |
3253/360-3 |
3270/004M |
3270/034 |
3270/035 |
3270/036 |
3270/050 |
3271/002M |
3271/002 |
3271/003 |
3271/004M |
3271/034M |
3271/034 |
3271/035 |
3271/038 |
3271/050 |
3271/051 |
3271/052 |
3271/150 |
3271/151 |
3271/152 |
3271/153 |
3272/004M |
3272/004 |
3272/007 |
3272/010M |
3272/032M |
3272/032 |
3272/034 |
3272/035 |
3272/036 |
3272/050 |
3272/050S |
3272/051 |
3272/051-1 |
3272/052 |
3272/053 |
3272/150 |
3273/001 |
3273/002 |
33012LDW |
33012LIP |
33012LIP003 |
3325/768 |
3325/769 |
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