API Butterfly Valve, Lug Type with Pneumatic Operating


Product Detail

Basic Info
  • Model NO.:D973

  • Connection Form:Wafer

  • Structure:Three-Eccentric Sealing

  • Seal Form:Force Sealed

  • Work Pressure:Low Pressure (Pn<1.6mpa)

  • Working Temperature:Medium Temperature (120&#176;C<T<450&#176;C)

  • Material of Seal Surface:Metal Hard Sealed

  • Application:Industrial Usage, Water Industrial Usage, Household Usage

Product Description
API Butterfly Valve, Lug Type with Pneumatic Operating
3-ex wafer butterfly valves worm gear
Butterfly valve wafer ANSI Class 150 worm gear
Wafer butterfly valve
Triple offset metal seated valves
Triple Offset Butterfly Valve

The butterfly valve is provided with tripe-eccentric multi-layer metal sealing structure. It is mainly used for regulating flow rate and cutting off or connecting fluid for different mediums in the pipeline in such applications including petroleum, natural gas, chemical industry, metallurgy, power plant, water supply and drainage, etc.

Applicable Standard
Design Standard: API 609, DIN 3354;
Face to Face: API 609, EN 558-1, DIN 3202; ISO 5752;
End Connection: ASME B16.5, ANSI B16.47, EN 1092-1;
Inspection and Test: API 598, DIN 3230;

Products Range
Size: 2" ~ 36" (DN50 ~ DN1500)
Rating: ANSI 150lb ~ 900lb (PN2.5~PN100)
Body Materials: Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel.
Operation: Lever, Gear, Electric, Pneumatic, Hydraulic

Design Features
Triple eccentric or double eccentric design
Low Opening & Clothing Torque
Metal to metal seated
Compact design
Blow-out proof shaft
ISO top flange

Triple Offset Butterfly Valve Wafer Class 150LB, Body in ASTM A-216 Gr. WCB, Disc In ASTM A-216 Gr. WCB, Sealing AISI 304 + Graphite, Gaskets in Flexible Graphite, Shafts in AISI 420, Upper and Lower Shaft bushings with self-lubricated PTFE + Bronze, Worm Gear Operation, Sealing Class VI - Bubble Tight