Shanghai Rong Titanium Valve Manufacturing Co., Ltd. is {D (3.6.9) 71X / F / J Wafer soft seal butterfly} professional manufacturers. The quality of survival, integrity and development, has a collection of scientific research, design, manufacture, sales and service in one of the high-quality workforce, strong technical force, advanced production technology. Sophisticated processing equipment, sound detection equipment, a sound quality assurance system to ensure product quality and reliability. Wafer soft seal butterfly valve Product Description D (3.6.9) 71X / F / J Wafer soft seal butterfly valve seals made of rubber and carbon steel or stainless steel valve plate, stem composition. For temperature, such as food, pharmaceutical, chemical, petroleum, power, textile, paper and other water supply and drainage, gas pipes for regulating traffic and closure of media role ≤80 ~ 120 ℃. Features an innovative design, reasonable, unique structure, light weight, open and close quickly. 2, the operation torque is small, easy to operate, energy smart. 3, can be installed in any position, and easy maintenance. 4, the seal can be replaced, reliable sealing performance bi-directional sealing reach zero leakage. 5, sealing materials aging, weak corrosion, long service life. Design Standard: GB / T2238-1989 flange dimensions: GB / T9113.1-2000; GB / T9115.1-2000; JB78 length of the structure: GB / T12221-1989 pressure test: GB / T13927-1992; JB / T9092 -1999 Wafer soft seal butterfly valve main technical parameters nominal diameter DN (mm) 50 ~ 800 Nominal pressure PN (MPa) 0.6 1.0 1.6 0.9 1.5 Test pressure strength test seal test 2.4 0.66 1.1 1.76 0.6 0.6 0.6 gas seal test Medium air, water, waste water, steam, gas, oil, etc. In the form of a manual drive, worm gear, gas transmission, electric drive. Part Name Material Body ductile iron, cast steel, alloy steel, stainless steel butterfly plate steel, stainless steel and special materials of rubber seals, PTFE stem 2Cr13, stainless steel O-ring packing, flexible graphite sealing materials used O butterfly and a variety of materials suitable temperature neoprene NBR EPDM Viton PTFE natural rubber silicone rubber nylon English abbreviation CR NBR EPDM PTFE SI VITON NR PA Model Code X or J XA or JB F or JA XB or XC, JC XD or JD XE or JE X1 N highest resistance temperature 82 ℃ 93 ℃ 150 ℃ 232 ℃ 250 ℃ 204 ℃ 85 ℃ 93 ℃ lowest temperature resistant -40 ℃ -40 ℃ -40 ℃ -268 ℃ -70 ℃ -23 ℃ - 20 ℃ -73 ℃ operating temperature suitable for 0 ~ + 80 ℃ -20 ~ + 82 ℃ -40 ~ + 125 ℃ -30 ~ + 150 ℃ -70 ~ + 150 ℃ -23 ~ + 150 ℃ -20 ~ + 85 ℃ - 30 ~ + 93 ℃ Wafer soft seal butterfly valve main dimensions nominal diameter (DN) L D1 D z-φd H H0 AB 50 43 125 165 4-18 63 315 180 65 65 46 145 185 4-18 70 330 180 65 80461602008-18 833,902,457,210,052 1802208-18105 4,312,457,212,556,210,250 8-18 115 4,552,457,215,056,240,285 8-22137626355 93200602953408 -2,216,472,035,093,250 6835039512-22 206,800,550,350,300 7840044512-22 230,860,600,350,350 7846050516-22 248,883,600,350,400 10251556516-26 289972600350 450 114 565 615 750 20-263201043 380,500,127,620,670 20-263431098 750 380,600,154,725,780 20-304131236 750 380,700,165,840,895 24-304781431 7,503,808,001,909,501,015 24- 335,251,488,750,380 ordering process: First, when ordering please specify: If 1. Product name, nominal size 2, 3 the use of pressure, 4 Temperature 5. Using medium body material 6, 7..... shipping address. Second, if such models selected by the design unit, please order our sales department directly by the models. Third, please call upon any special requirements when ordering products. Four, or more if unknown please call or fax, e-mail consultation. Fifth, the company of all for the purpose of customer service to availability, credibility, reliability, and all users to create brilliant.