4 in. Cast Iron Buna-N Lever Handle Butterfly Valve
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FNW®
731 Series 4 in. Cast Iron Buna-N Lever Handle Butterfly Valve
Purchase history
FNW®
731 Series
4 in. Cast Iron Buna-N Lever Handle Butterfly Valve
731B
Order #
Order Date
Job Name
My PO#
Frequently Purchased Together
Product Details
Product Details
- Resilient seated butterfly valve
- Designed for 125/150 lbs flanges
- Standard 316ss disc and stem offers superior strength and chemical resistance
- Ribbed 1-piece body for high strength and minimum weight
- Secured stem retainer plate for blowout-proof protection and also allows operator removal with valve in line
- High strength two-piece stem eliminates taper pins and disc screws from flow path
- Cartridge style seat permits easy change without special tools
- Dual PTFE shaft bearings for reduced torque and improved stem alignment
- Low maintenance design
- Lead-Free
-
Lead Law Compliant
Specifications
- ANSI:
- ANSI B16.1
- API:
- API 609A
- ASTM:
- ASTM A126
- Coating:
- Epoxy
- Collection:
- 731 Series
- End Connection 1:
- Flanged
- End Connection 2:
- Flanged
- End Connections:
- Flanged x Flanged
- FM Approved:
- No
- Height:
- 12-16/41 in
- ISO:
- ISO 5211
- Lead Law Compliance Level:
- Lead Law Compliant and Certified
- Lead Law Compliant:
- Yes
- Length:
- 2-1/20 in
- MSS:
- MSS SP-61, MSS SP-67
- Material:
- Cast Iron
- Maximum Temperature:
- 194
- Minimum Temperature:
- -4
- NSF:
- NSF 61-G, NSF 372
- NSF Certified:
- Yes
- Pressure - Maximum:
- 255 psi
- Pressure Class:
- 255#
- Recommended Valve Application:
- Water
- UL Listed:
- No
- Valve Body Material:
- Cast Iron
- Valve Body Style:
- Wafer
- Valve Disc Material:
- Stainless Steel
- Valve Operator:
- Lever Handle
- Valve Seat Material:
- Buna-N
- Valve Size:
- 4 in
- Valve Stem:
- Blowout-proof
- Valve Type:
- Butterfly Valve