Mid line flange butterfly valve
Features: . The valve is made of DI body and DI disc. . Advanced newly design with dovetail seal design and captured by epoxy on the back, with multiple raised ring to have more contact with disc but less friction during closure. . The double eccentric design provides less contact area of seal with disc, and less stress at the open position of the disc. . The disc design with arch shape and thru disc can provide better flow capacity, stronger and less weight . The shaft and disc connection with tangential pin which can be exchangeable and provide rigid connection. . The DN 100-500MM use flat disc, and DN 600-1200MM use arch shape disc. . Epoxy coated interior and exterior. . Valve design meets or exceeds EN 593. . Top flange connection meets ISO 5211-1982, and F/F meets EN 558-1 series 13 & 14.
Technical Data: Size Range: DN100-1200mm Ratings: 1.0Mpa; 1.6Mpa Working Temperature: -10℃ ~80℃ Flow media:Water & Wastewater Service Fields: Water works system, waste water system, water distribution system, HVAC system, industry, power plant. Please consult factory for higher pressure ratings.