Thermal discharge valve is based on the advanced technical information and drawings, design their own production of technical data and drawings, self-expanding design and production of the upper and lower thermal discharge valve is snail furnace applications of energy-saving devices in the valve. This innovative product design, rational structure, the use of stainless steel, WCB and other materials for the body, good sealing performance. 1.6 The main technical parameters of the working temperature Suitable medium Nominal pressure seal test ≤175 ℃ water, grain, oil and other high pressure seal test shell test 2.4 main valve body parts and materials, seals, stainless steel stem nut shell test copper main dimensions (flange size by JB79PN1.6MPa) caliber Expansion Expansion under D D3 H D0 D D3 H D0 25 115 115 270 160 115 135 225 160 32 135 135 285 160 135 145 300 160 40 145 145 355 180 14,516,034,018,050 160,160,370,180,160 18,034,518,065,180 180,465,220,180,195 42,522,080,195,195 480,250,195,215,445 250,100,215,215,590 280,215,260,535,280 125,245,245,730,300 245,280,585,300,150 280 280 775 320,280,330,665,320