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Item: TXV2.5B
Description: TXV2.5B high-temperature rotary sliding vane pump for asphalts and viscous fluids.
TXV2.5B-product image
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TXV2.5B, Vane Pump, High Temp, Truck Mount, Double Ended, Cast Iron, 136 GPM

Item: TXV2.5B
Description: TXV2.5B high-temperature rotary sliding vane pump for asphalts and viscous fluids.
  • Mounting: PUMP ONLY
  • Inlet Size: 2 1/2
  • Model: TXV2.5B
  • Discharge Size: 2 1/2
  • Max Operating Pressure: 175.0
  • Max Flow Rate (GPM): 136.0
Attributes for item TXV2.5B
Shipping Weight (lbs):
93
Accessories:
0 None
Bypass Valve Relief Valve Spring Setting:
0
Clearance Code:
A
Clearance:
A = [< 1,600 cSt, <232°C (<450°F)]
Elastomers:
2 FKM ELASTOMERS
External Material:
W
Flanges:
N NPT FLANGES
Idler Pin Material Code:
HS
Idler Pin Material:
HARDENED STEEL
Internal Material:
1
Primary Material:
CAST IRON
Secondary Material:
DUCTILE IRON
Model in Hierarchy:
V2-133
Mounting:
PUMP ONLY
Orientation:
1
Ports:
3A
Relief Valve Code:
/N/
Relief Valve:
1 STANDARD VALVE
Rotor and Shaft:
40 DOUBLE END SHAFT
Relief Valve Spring Setting:
93
Relief Valve Spring:
5 76-110 PSI STEEL 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 Faces/Material:
NAPA
Seal Faces:
1
Seal Type/Material:
1
Seal Type:
PG
Seal:
K3 LIP SEAL W/FKM O-RINGS
Shaft Material Code:
S
Shaft Material:
Steel
Specialty Code:
/000
Standard Relief Valve Spring Setting:
1
Vanes:
8 BRONZE-EC
BLK_IDLER_BUSHING_MATERIAL_VALUE:
B
Lead Time (days):
21
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Spare Parts for item TXV2.5B
Performance for item TXV2.5B

At 400 RPM and 125 psi differential pressure, the TXV2.5 pump requires 1,290 lb-in (146 N·m) of shaft torque with a fluid viscosity of 20,000 SSU.

At 450 RPM and 50 to 100 psi differential pressure, the TXV2.5 pump delivers 79 gpm (299 lpm) of a fluid in the 100 to 20,000 SSU range.

Item Overview for Blackmer TXV2.5B
The Blackmer TXV2.5B is a, Vane Pump, High Temp, Truck Mount, Double Ended, Cast Iron, 136 GPM created for practical use in modern processing, transfer, and equipment-integration projects. Construction details such as Cast Iron and cast iron support material compatibility and provide useful context for specification, replacement, and maintenance decisions. Selected elements, including K3 and K3 lip seal w/FKM o-rings, further define how this item connects, operates, and fits within the specified assembly. This balanced profile serves procurement and technical audiences by connecting the product's purpose with the physical details that distinguish it in the catalog. The description emphasizes practical search terms that reflect the product's actual configuration, helping technical users find relevant information without unsupported performance claims.