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Blackmer G Series Internal Gear Pumps
The Blackmer® G Series Internal Gear Pumps are a premium solution for fluid-handling challenges, designed to offer superior performance, reliability, and interchangeability.
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The Blackmer® G Series Internal Gear Pumps are a premium solution for fluid-handling challenges, designed to offer superior performance, reliability, and interchangeability.
Benefits
- Reliability: Rugged construction ensures consistent performance even in demanding conditions.
- Efficiency: Enhances process safety by maintaining fluid temperature and integrity.
- Versatility: Available in various materials to suit a wide range of industrial applications.
- Ease of Upgrade: Designed for direct replacement of competitor pumps, ensuring a smooth upgrade process.
-
Seamless Interchangeability:
- 95% Interchangeable with existing mechanically sealed, packed, and seal-less internal gear pumps.
- Requires no modifications to piping, driver, baseplate, or coupling.
- Direct replacement for Viking® pump models: H, HL, K, KK, L, LQ, LL, LS, Q, and QS.
-
Material Options:
- Available in Cast Iron, Carbon Steel, and Stainless Steel, catering to various fluid-handling needs.
-
Seal Chamber Design:
- Features a universal design with an oversized bracket and seal chamber.
- Supports multiple sealing technologies: packing, mechanical seals, and lip seals.
- Allows for seal removal without taking the pump out of service.
-
Jacketed Pump Options:
- Exclusively available in G2-55 to G2-222 Cast Iron models.
- Jacketed components provide efficient heating of the seal area and pump internals to:
- Maintain process temperature.
- Prevent product hardening.
- Reduce startup time.
-
Maximum Temperature:
- Up to 650°F (343°C).
-
Pressure Ratings:
- Cast Iron & Carbon Steel: Up to 200 psi (13.8 bar).
- Stainless Steel: Up to 150 psi (10.3 bar).
-
Capacity:
- Ranges from 15 gpm to 500 gpm (3.4 m³/h to 113.6 m³/h).
-
Jacketed Models:
- Jacketed options available for models G2-55, G2-69, G2-82, G2-133, and G2-222 (Cast Iron only).
Port Size
|
MODEL |
Standard Non-Jacketed (G1) CAST IRON PORT SIZES² |
Jacketed (G2) CAST IRON PORT SIZES² |
Standard Non-Jacketed (G1) CARBON STEEL PORT SIZES¹ |
Standard Non-Jacketed (G1) STAINLESS STEEL PORT SIZES¹ |
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|
THREADED |
FLANGED |
THREADED |
FLANGED |
THREADED |
FLANGED |
THREADED |
FLANGED |
|
|
G1-2 G1-4 |
1-1/2" NPT |
N/A |
N/A |
N/A |
N/A |
1-1/2" ANSI |
N/A |
1-1/2" ANSI |
|
G1-24 G1-32 |
2" NPT |
N/A |
N/A |
N/A |
N/A |
2" ANSI |
N/A |
2" ANSI |
|
G1-55 / G2-55 |
2" NPT |
2-1/2" ANSI |
2" NPT |
2-1/2" ANSI |
N/A |
2-1/2" ANSI |
N/A |
2-1/2" ANSI |
|
G1-69 / G2-69 G1-82 / G2-82 |
N/A |
3" ANSI |
N/A |
3" ANSI |
N/A |
3" ANSI |
N/A |
3" ANSI |
|
G1-133 / G2-133 |
N/A |
4" ANSI |
N/A |
4" ANSI |
N/A |
4" ANSI |
N/A |
4" ANSI |
|
G1-222 / G2-222 |
N/A |
6" ANSI 180° |
N/A |
6" ANSI 180° |
N/A |
6" ANSI 180° |
N/A |
6" ANSI 180° |
Pump Selection Performance Criteria
|
|
Nominal Pump Rating |
Max. Discharge Pressure |
Max. Temperature |
Nominal Pump Rating |
Max. Discharge Pressure |
Max. Temperature |
Nominal Pump Rating |
Max. Discharge Pressure |
Max. Temperature |
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|
Cast Iron |
Carbon Steel |
Stainless Steel |
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|
Model |
RPM |
GPM (m3/h) |
PSIG (bar) |
Fahrenheit (Celsius) |
RPM |
GPM (m3/h) |
PSIG (bar) |
Fahrenheit (Celsius) |
RPM |
GPM (m3/h) |
PSIG (bar) |
Fahrenheit (Celsius) |
|
G1-2 |
1,750 |
15 (3.4) |
200 (13.8) >20 cSt |
650° (343°) |
1,750 |
15 (3.4) |
200 (13.8) >20 cSt |
650° (343°) |
1,150 |
10 (2.3) |
150 (10.3) >550 cSt |
500° (260°) |
|
G1-4 |
1,750 |
30 (6.8) |
200 (13.8) >20 cSt |
650° (343°) |
1,750 |
30 (6.8) |
200 (13.8) >20 cSt |
650° (343°) |
1,150 |
20 (4.5) |
150 (10.3) >550 cSt |
500° (260°) |
|
G1-24 |
780 |
75 (17.0) |
200 (13.8) >20 cSt |
650° (343°) |
780 |
75 (17.0) |
200 (13.8) >20 cSt |
650° (343°) |
520 |
50 (11.4) |
150 (10.3) >550 cSt |
500° (260°) |
|
G1-32 |
780 |
100 (22.7) |
200 (13.8) >20 cSt |
650° (343°) |
780 |
100 (22.7) |
200 (13.8) >20 cSt |
650° (343°) |
520 |
65 (14.8) |
150 (10.3) >550 cSt |
500° (260°) |
|
G1-55 / G2-55 |
640 |
135 (30.7) |
200 (13.8) >20 cSt |
650° (343°) |
640 |
135 (30.7) |
200 (13.8) >20 cSt |
650° (343°) |
420 |
90 (20.4) |
150 (10.3) >550 cSt |
500° (260°) |
|
G1-69 / G2-69 |
520 |
140 (31.8) |
200 (13.8) >20 cSt |
650° (343°) |
520 |
140 (31.8) |
200 (13.8) >20 cSt |
650° (343°) |
420 |
110 (25.0) |
150 (10.3) >550 cSt |
500° (260°) |
|
G1-82 / G2-82 |
640 |
200 (45.4) |
200 (13.8) >165 cSt |
500° (260°) |
640 |
200 (45.4) |
200 (13.8) >165 cSt |
500° (260°) |
520 |
160 (36.3) |
125 (8.6) >550 cSt |
500° (260°) |
|
G1-133 / G2-133 |
520 |
300 (68.1) |
200 (13.8) >165 cSt |
500° (260°) |
520 |
300 (68.1) |
200 (13.8) >165 cSt |
500° (260°) |
350 |
200 (45.4) |
125 (8.6) >25 cSt |
500° (260°) |
|
G1-222 / G2-222 |
520 |
500 (113.6) |
200 (13.8) >165 cSt |
500° (260°) |
520 |
500 (113.6) |
200 (13.8) >165 cSt |
500° (260°) |
350 |
320 (72.7) |
125 (8.6) >25 cSt |
500° (260°) |
Materials of Construction
|
Description |
Part |
Cast Iron |
Carbon Steel |
Stainless Steel |
|
|
Pressure Containing |
Case |
Cast Iron, ASTM A48 Class 35B |
Carbon Steel, ASTM A216 Grade WCB |
Stainless Steel, ASTM A743 Grade CF8M |
|
|
Head |
Cast Iron, ASTM A48 Class 35B |
Carbon Steel, ASTM A216 Grade WCB |
Stainless Steel, ASTM A743 Grade CF8M |
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|
Bracket |
Cast Iron, ASTM A48 Class 35B |
Carbon Steel, ASTM A216 Grade WCB |
Stainless Steel, ASTM A743 Grade CF8M |
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|
Pressure Relief Valve |
Cast Iron, ASTM A48 Class 35B |
Carbon Steel, ASTM A216 Grade WCB |
Stainless Steel, ASTM A743 Grade CF8M |
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|
Product Contact |
Idler Gear |
Cast Iron, ASTM A48 Class 35B1 |
Stainless Steel, ASTM A564 Type 630 (17-4PH)5 |
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|
Rotor |
Standard |
Cast Iron, ASTM A48 Class 35B 2,4 |
Stainless Steel, ASTM A564 Type 630 (17-4PH)5 |
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|
Steel Fitted |
Carbon Steel, ASTM A311 Grade 1045 Class A 3,4 |
N/A |
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|
Rotor Shaft |
Steel, ASTM A311 Grade 1045 |
Stainless Steel, ASTM A276 Grade 316 |
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|
Idler Pin |
Alloy Steel, Hardened |
Stainless Steel, Hardened |
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|
Idler Bushing |
Carbon Graphite, Bronze, Tungsten Carbide, Hardened Cast Iron |
Carbon Graphite, Bronze |
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|
Bracket Bushing |
Carbon Graphite, Bronze, Tungsten Carbide, Hardened Cast Iron |
Carbon Graphite, Bronze |
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|
Non-Product Contact |
Bearing Housing |
Cast Iron, ASTM A48 Class 35B |
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Competitor Model Cross Reference
|
BLACKMER G SERIES |
BLACKMER E SERIES |
VIKING® |
TUTHILL® |
GORMAN-RUPP® |
|
G1-2 |
E1-2 |
H |
15 |
GHS 1-1/2 |
|
G1-4 |
E1-4 |
HL |
30 |
GHS 1-1/2 |
|
G1-24 |
E1-24 |
K |
120 |
GHS 2 |
|
G1-32 |
E1-32 |
KK |
130 |
GHS 2 |
|
G1-55 / G2-55 |
E1-55 |
L & LQ |
200 |
GHS 2-1/2, 3 |
|
G1-69 / G2-69 |
E1-69 |
LL |
210 |
GHS 3 |
|
G1-82 / G2-82 |
E1-82 |
LS |
250 |
GHS 3 |
|
G1-133 / G2-133 |
E1-133 |
Q |
N/A |
GHS 4 |
|
G1-222 / G2-222 |
E1-222 |
QS |
550 |
GHS 6 |