Main Features: The turning center of the butterfly plate is on the center line of the valve body and the sealing face section of the butterfly plate. In closing, the ex-circle sealing face of the butterfly plate will extrude the valve seat made of synthetic rubber, generating elastic deformation...
Working Pressure: PN≤150LB
Seat: EPDM, NBR, Viton, PTFE etc.
Color: Bule, gray ,yellow or Depends on order
Disc: Stainless Steel Ductile Iron Aluminum Bronze
Stem: SS416 304 316 Carbon Steel Coated By Nicket
Body: Grey cast iron, Ductile Iron, Carbon Steel, Stainless Steel
Media: Water, Salt, Acid, Soda, Natural Gas, Air, Mellow, Oil, Food&Steam etc
Type Available: Flanged type.
Sizes Available: DN50mm to DN1200mm (2" to 48")
Pressure Range: PN (MPa): 1.0, 1.6, 2.0, 2.5
Materials Standard: Others on request
Basic Design: ANSI/AWWA C504
Face to Face Dimension: BS5155 Short, ISO5752 (Series 13), DIN 3202 F16
Inspection & Testing: API 598
Flanged End Dimension: DIN PN10/16/25, ANSI B16.1, BS4504, ISO PN10/16, JIS B2212/2213, BS 10 Table D, BS 10 Table E
Top flange: ISO 5211
Suitable Mediums: Fresh water, sea water, gas, oils, acids, alkalis, etc
Suitable Temperature: -26℃-82℃
Main features
1. Structure simple is compact, stable positioning, and the weight is light.
2. Designs reasonably, the assembling and dismantling and installation is easy, to be advantageous.
3. Minimized operating torque. Lever, gear, pneumatic and electric actuators can be chosen.
4. Rubber backed seat with stable valve torque. No leakage under the rated pressure.
