8500 Series 4 in. Cast Iron Buna-N Seat Gear Operator Handle Wafer Butterfly Valve

Part #FF08504005  |  Item #7750353  |  Manufacturer Part #F085-040-05

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  • Quantity Per 
  • Each: 1

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Product Details

  • Three radius seating profile reduces operating torque while providing bubble-tight and positive shut-off
  • The disc seating surface is precision machined and polished for low operating torque and longer seating life
  • The primary stem seal is achieved between the disc and seat. Secondary seals are incorporated into both the upper and lower stem to backup the primary stem seal
  • Integral flange seals molded into the edge of the seat require no flange gaskets
  • Secured and precision connection on stem-disc joint provides maximum strength of disc/stem connection and minimum unwanted free travel
  • Stem material is heat treated with 400 series stainless steel material that provides additional tensile strength
  • The 10 position lever handle is lockable to provide tamper-proof flow control. Locking mechanism accommodates standard padlocks



ANSI Specifications: ANSI 125, ANSI 150

ASTM Specifications: ASTM A-126 CLASS B, ASTM A-276 321, ASTM A-276 S420, ASTM A-351 CF8, ASTM A-536 Grade 65-45-12, ASTM D-2000

Application: Agriculture, Industrial

Automatic Shut-Off: Yes

Clean Bagged: No

Collection: 8500 Series

FM Approved: No

Height: 12-91/100 in

High Pressure: 200

IAPMO Listed: No

Length: 7-4/5 in

NSF Certified: No

Recommended Valve Application: Water

UL Listed: No

Valve Body Material: Cast Iron

Valve Body Style: Wafer

Valve Disc Material: Stainless Steel

Valve Operator: Gear Operator Handle

Valve Seat Material: Buna-N

Valve Size: 4 in

Valve Type: Butterfly Valve