731 Series 8 in. Cast Iron Buna-N Gear Operator Handle Butterfly Valve

Part #FNW731BGX  |  Item #1861010  |  Manufacturer Part #731B

$660.84 EACH
(Pricing is for 8 in)

Valve Size:


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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



ADA Compliant: No

ANSI Specifications: ANSI B16.1

API Specifications: API 609A

ASME Specifications: [ASME B16.34, ASME B16.5]

ASTM Specifications: ASTM A-126

Clean Bagged: No

Coating: Epoxy

Collection: 731 Series

End Connection 1: Flanged

End Connection 2: Flanged

End Connections: Flanged

FM Approved: No

Handle Material: Cast Iron

Height: 17-19/25 in

ISO Specifications: ISO 5211

Lead Law Compliant: Yes

Length: 2-9/25 in

MSS Specifications: [MSS SP-61, MSS SP-67]

Material: Cast Iron

Maximum Pressure: 255 psi

Maximum Temperature: 194

Minimum Temperature: -4

NSF Certified: Yes

NSF Specifications: [NSF 61G, NSF 372]

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: Gear

Valve Seat Material: Buna-N

Valve Size: 8 in

Valve Stem: Blowout-proof

Valve Type: Butterfly Valve

WaterSense Labeled: No