Silent Check Valve 4 in. Wafer Style
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FNW®
Silent Check Valve 4 in. Wafer Style
Purchase history
FNW®
Silent Check Valve 4 in. Wafer Style
FNW681P
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Product Details
- Replaceable drip tight resilient seat
- Renewable disc
- Non-slam (spring actuated) check for water or clean fluids
- Allows flow in only the indicated direction
- Spring backed disc closes the valve when flow ceases prior to pressure reversal, therefore reducing slam or water hammer
- Prevents flow reversal in pipelines
- Epoxy Coated Body
Specifications
- ANSI:
- ANSI B16.1
- API:
- API 598
- ASTM:
- ASTM A-126 Class B
- Coating:
- Epoxy
- Installation Type:
- Horizontal Mount, Vertical Mount
- Length:
- 4-1/50 in
- MSS:
- MSS SP-125
- Material:
- Cast Iron, Stainless Steel, Bronze
- Maximum Temperature:
- 176
- Minimum Temperature:
- -4
- Pressure - Maximum:
- 200 psi
- Valve Body Material:
- Cast Iron
- Valve Body Style:
- Wafer
- Valve Disc Material:
- Aluminum Bronze
- Valve Seat Material:
- EPDM
- Valve Size:
- 4 in
- Weight:
- 13.64 lb