Double Flanged Eccentric Butterfly Valve

Double Flanged Eccentric Butterfly Valve

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Double Flanged Eccentric Butterfly Valve/Double Offset Butterfly Valve

 

GMK Double offset butterfly valves can achieve zero leakage easily and ensure sealing more reliable because of the resilient seat design. Resilient seat design also can achieve low torque so as to cost-effective of choosing actuator. Soft materials, such as PTFE, have excellent applicability to acid or other media, thus it’s use improves applicability of valves to various services.

 

Product Range

-Valve size:

2” ~ 60” (DN50-DN1500)

-Pressure:

ANSI Class 125~150(PN10-PN16)

-Temperature:

320°F to 1000°F / -196~ 540

-Body Materials:

Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel

-Disc Materials:

Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel, Al-Bronze

-Seat:

EPDM ,NBR,VITON

End connection: Wafer, Lug, Double Flange

 

Technical Specifications   

-Design: API 609, BS 5155, EN593, DIN 3354

-Face to Face: ASME B16.34

-End Flange: ASME B16.5

-BW End: ASME B16.25

-Screwed End: ASME B1.20.1

-Test: ASME B16.34, API 598, DIN 3230

-Marking: MSS SP25

-Special: NACE MR-01-75

 

Design Features

-Lug, Wafer or Flange end

-Double block and bleed

-Zero leakage

-ISO 5211 top flange

-Less seat wear, Low torque

-Super long usage life

-Self-driven machinery sealing structure

-Optional low emission packing

-Optional fire safe design

-Optional various seat materials

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