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Butterfly valve Specifications:
 
  • resilient seated butterfly valves. manufacture these butterfly valves as our primary product. Industries using resilient seat valve products include:
    • HVAC / ATC
    • chemical / petrochemical processing
    • food and beverage industry
    • power and utilities
    • pulp and paper industry
    • other general industry
  • Quality is apparent in the design of the series 200, 205 and 225 butterfly valve, which utilizes the phenolic-backed cartridge seat pioneered by center line. These valves feature precision-machined parts insuring years of dependable operation. With many body / trim combinations, there is a series 200, 205 or 225 valve to meet your application.
Features:
  • Size DN 50 to 900 (2" to 36").
  • Available in wafer or lug body styles.
  • Wafer body features four alignment holes.
  • Pressure ratings for tight shutoff at temperatures up to the maximum limit of seat material:
    • DN 50 to 300 (2" to 12")-13.8 bar (200 psi)
    • DN 350 to 900 (14" to 36")-10 bar (150 psi)
  • Ideal for on-off or throttling services.
  • Operator options:
    • levers - DN 50 to 300 (2" to 12")
    • gear operators - all sizes
    • electric or pneumatic actuators - al sizes
  • Operator can be mounted parallel or perpendicular to the pipeline.
  • Design complies with MSS SP-67 and API 609.
  • Valves generally conform to BS 5155 and prEN593.
  • Compatible with BS 4504 and ANSI 125/150 flanges.
  • Valves DN 50 to 500 (2" to 20") meet the intent of and have passed AWWA C504-87 section 5 proof of design tests.
  • Phenolic backed seat premium features:
    • dimensionally stable seat sealing surface
    • minimal seat wear, extending seat life
    • blow-out proof seat
    • easily field replaceable
    • non-distorting shaft hole with molded-in o-rings
  • Bushings above & below the disc aligns and fully supports the shaft. Prevents shaft contact with the body and wear inside seat shaft hole.

Item Description Standard Materials Optional Materials
1 Body Cast Iron Ductile Iron
2 Seat Buna-N or EPDM Black or White Neoprene, Hypalon, Abrasion Resistant Buna-N, Low Temp. or High Temp Vlton, Food Grade EPDM, PTFE
3 Disc Ductile Iron Aluminum Bronze, 316 Stainless Steel
4 Shaft 416 Stainless Steel 316 Stainless Steel, Monel
5 Taper pin 316 Stainless Steel Monel
6 Key Carbon Steel None
7 O-Ring Buna-N None
8 Bushing Luberized Bronze Fiberglass Backed PFTE
Item Description Material ASTM
1 Body Cast Iron A126, Class B
1 & 3 Body & Disc Ductile (SG) Iron A536 65-45-12
3 Disc 316 Stainless Steel A351, Gr. CF8M
3 Disc Aluminum Bronze B148, C95300
4 Shaft 416 Stainless Steel A532, Type 416
4 Shaft 316 Stainless Steel A276, Type 316

Ordering information:

Minimum Order: Negotiable

Details in MS Word file.

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