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Mueller Steam Specialty™ 3 71AHB3H Cast Iron Wafer Double Disc Check Valve, 3 in, Flanged, 250 psi, 100 deg F
Cast Iron Valves
325171
MFG #: 3 71AHB3H
Requires Quote
- Body Material: Cast Iron
- Manufacturer: Mueller Steam Specialty™
- Connection Type: Flanged
- Nominal Size: 3 in
- Height: 5-3/8 in
- Item Name: Check Valve
- Material Standard: ASTM A126 Class B, ASTM B62
- Operator Type: Torsion Spring
- Seal Material: Buna-N
- Seat Material: Buna-N
- Series/Model: Model 71
- Temperature Rating: 100 deg F
- Trim Material: Bronze Disc, 316 Stainless Steel Spring
- Type: Wafer, Double Disc
- Width: 2-1/4 in
Mueller Steam Specialty™ Wafer Double Disc Check Valve, Model 71, 3 in Nominal, Flanged, 250 psi at 150 deg F, 100 deg F, Cast Iron Body, Torsion Spring Operator, Bronze Disc, 316 Stainless Steel Spring Trim, Buna-N Seat, Buna-N Seal, ASTM A126 Class B, ASTM B62, 2-1/4 in Width, 5-3/8 in Height
- Features
- Compact design with short face to face dimensions for minimum space requirements
- Dual shaft design allows interchangeability of shafts
- Torsion springs close the valve prior to flow reversal
- Torsion springs exert a lifting motion on the discs, enabling the center "heel" to open first
- Downstream stop shaft stabilizes the discs at high flow rates and prevents them from striking each other, which can cause premature wear, stress on the shaft, and chattering
- Standards/Approvals: ANSI Specified, API Tested, FM Approved, UL Listed
- Applications: For liquids and gases where flow reversal can cause surge and water hammer