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Model 89-GEN Grooved End Butterfly Valves

89-Gen

Model 89-GEN Grooved End Butterfly Valves consist of an epoxy coated ductile iron body, BUNA-N or EPDM encapsulated ductile iron disc and a 431 stainless steel two-piece stem. Pressure rated to 175psi CWP. Grooved end designed to ANSI/AWWA C-606 Rigid Grooved Specification.

Sizes: 2½"–12" (65 – 300mm)

Features

  • 89-GEN available with ten position lever handle or gear operator
  • Two-piece 431 stainless steel shaft
  • Teflon® shaft bushings
  • NRB O-ring shaft seals
  • Epoxy coated ductile iron body
  • BUNA-N or EPDM encapsulated ductile iron disc
  • ANSI/AWWA C-606 rigid grooved specification
  • Complies with the requirements for MSS-SP67

Models

89-GEN - with lever handle
89-GEN - with gear operator

Specifications

Grooved end butterfly valve shall be installed as indicated on the plans. Valve shall consist of an epoxy coated ductile iron body, BUNA-N or EPDM encapsulated ductile iron disc and a 431 stainless steel two-piece stem. Valve shall be pressure rated to 175psi (12.1 bar) CWP. Grooved end designed to ANSI/AWWA C-606 rigid grooved specification. Valve shall be a Mueller Steam 89-GEN Series.

Materials

Body Epoxy Coated Ductile Iron, A536 65-45-12
Disc BUNA-N or EPDM encapsulated Ductile Iron disc
Upper Stem Stainless Steel, A276 Type 431
Upper O-Ring Nitrile Rubber, NBR
Bushing Teflon®
Lower Stem Stainless Steel, A276 Type 431
Lower O-Ring Nitrile Rubber, NBR

 

More Information

   
Sales Brochure
PF-MS-89-GEN.pdf
Download
Specification Sheet
ES-MS-89-GEN.pdf
Download