- Series No.: D341X
- Material: GG25/GGG40/WCB/CF8/CF8M(CI/DI/Carbon Steel/SS304/SS316)
- Category: Concentric Butterfly Valve
Add to list
Nominal Diameter: DN50-1200
Nominal Pressure PN : 1.0/1.6/2.0/2.5 (MPa)
Testing Pressure (water) Ps(MPa):
Body test: 1.5*PN
Sealing test: 1.1*PN
Double Flange Rubber Vulcanized Butterfly Valve Standard:
Design standard conform to: ANSI/AWWA C504
Connection Flange standard: DIN PN10/16/25, ANSI B16.1,BS4504,ISO PN10/16,JIS B2212/2213,BS10 table D, BS10 table E.
Top Flange conform to: ISO 5211 or as special requirement.
Face to face conform to: DIN3202 F16, ISO5752 series 13, BS5155 short
Test Standard conform to: API598
Double Flange Rubber Vulcanized Butterfly Valve Design Characters:
- Correcting holes made on valve flange according to standard. So it’s easy positioned when install.
- Integral ISO 5211 mounting flange will accept all styles of hand lever, multi-turn manual gear and power operators/actuators.
- Using through-out bolt ensures the butterfly valve with easy replacing and maintenance.
- Special design, high flow rate and low flow resistance.
- Suitable Medium: Water, Sea water, Gas, Oils, etc.
- No Leakage under the rated pressure.
- Phenolic backed seat is available. Which has following features:
(1) Dimensionally stable seat sealing surface
(2) Minimal seat wear, extending seat life
(3) Blow-out proof seat
(4) Easily field replaceable
(5) Non-distorting shaft hole with molded-in (integral)o-ring seal