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Item: STX3
Description: STX3 stainless-steel sliding vane pump, for fast fluid off-loading for high-temperature, high-viscosity applications.
STX3-product image
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STX3-DEF, Vane Pump, Stainless Steel, High Speed, 250 GPM

Item: STX3
Description: STX3 stainless-steel sliding vane pump, for fast fluid off-loading for high-temperature, high-viscosity applications.
  • Mounting: PUMP ONLY
  • Inlet Size: 3
  • Model: STX3
  • Discharge Size: 3
  • Max Operating Pressure: 175.0
  • Max Flow Rate (GPM): 250.0
Attributes for item STX3
Shipping Weight (lbs):
36
Accessories:
0 None
Bypass Valve Relief Valve Spring Setting:
0
Elastomers:
5 EPDM ELASTOMERS
Flanges:
0 NPT-PORTS
Mounting:
PUMP ONLY
Relief Valve:
1 STANDARD VALVE
Rotor and Shaft:
AC MTR-SHFT-RH-115AC
Relief Valve Spring Setting:
1
Relief Valve Spring:
B STANDARD RV SPRING
Standard Construction 1:
0 STANDARD SELECTION - SC1
Standard Construction 2:
0 STANDARD SELECTION - SC2
Standard Construction 3:
0 STANDARD SELECTION - SC3
Standard Construction 4:
0 STANDARD SELECTION - SC4
Seal:
AW LECE SEAL
Standard Relief Valve Spring Setting:
1
Vanes:
4 DURAVANE
Lead Time (days):
15
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Performance for item STX3

At 500 RPM and 50 psi differential pressure, the STX3 pump delivers 163 gpm (617 lpm) of a fluid in the 100 to 10,000 SSU range.

At 500 RPM and 50 psi differential pressure, the STX3 pump requires 1,000 lb-in (113 N·m) of shaft torque with a fluid viscosity of 5,000 SSU.

Item Overview for Blackmer STX3
The Blackmer STX3 is a vane pump shaped around STX3-DEF, Vane Pump, Stainless Steel, High Speed, 250 GPM for clear product selection and an application-focused equipment fit. Its construction brings together Pump Only, and Lece Seal, and NPT-ports, and Epdm Elastomers, presenting the main operating elements as one clearly defined build for technical evaluation. Its operating focus suits transport and transfer systems, where careful component selection and system fit support consistent equipment operation. Within Blackmer’s process offering, it gives teams a recognizable option for comparing equipment, planning service work, or documenting installed assets. The exact item number supports precise purchasing and maintenance records, while natural technical wording improves search relevance for users seeking a suitable Blackmer solution. This focused profile helps readers assess purpose, fit, and configuration without losing sight of the product’s practical role.