The lifting of the double check valve

Advantages Bushings using good wearproof ability, small friction coefficient of special material to be made Movement is flexible and reliable Good sealing, high precision, appearance beautiful, modelling is small Main technical parameters Model NumberNominal PressureTest PressurePS(MPa)WorkingTemperatureApplicable mediumShell SealSH71W-16T 1.62.41.76 ≤200Water,Evaporate body,Oil etc. SH71H-25Q 2.53.752.75 ≤235SH71W-25H ≤300 SH71W-25P ≤200Nitric acid corrosive substance ,etc. SH71W-40H 4.06.04.4 ≤300Water, Evaporate body, Oil etc. SH71W-40P ≤200Nitric acid corrosive substance ,etc. Specifications Body Disc Spring SH71H-16Q,H71H-25Q QT400-15 25 50CrCA SH71W-25H,H71W-40H 2Cr13 1Cr13 1Cr18Ni9Ti SH71W-16P,H71W-25P ZG1Cr18Ni9Ti 1Cr18Ni9Ti 1Cr18Ni9Ti Size Table Nominal Pressure MPa Nominal diameter DN Size(mm) L D1 D2 D3 D4 D5 PN1.0Mpa PN1.6MPa 15 16 52 15 24 31 40 20 19 62 19 30 40 50 25 22 72 24 35 47 58 32 28 83 31 46 56 68 40 31.5 93 39 55 66 78 50 40 108 48 65 78 90 65 46 128 62 80 95 110 80 50 142 76 96 110 128 100 60 162 95 115 132 150 125 90 192 110 125 135 - If you are interested in our products, please read the following content : 1.Product name; Model number; Caliber; Pressure; Body material; Connection;Driving mode;Using temperature;Whether with attachment. Please indicate the above mentioned items,so we can give you correct selection. 2.When the use situation is very importand or the environment is more complex, please try to provide design drawings and detail parameters,we will provide you the valve expert review. Thanks for your reading, we will endeavor to provide quality services. Best Regards Angela Fax:+86-0411-83713441