H81X groove silencing check valveDetailed product description：

H81X groove check valve groove silencing check valve is a series of new connecting valves designed and manufactured by introducing similar advanced products from the United States and Germany. It has the advantages of fast, simple, safe, reliable installation, no installation site restrictions, easy maintenance of pipelines and valves, vibration isolation and sound insulation, and overcoming the distortion caused by different axis connections of pipelines within a certain angle range, solving the thermal expansion and contraction caused by temperature differences.

H81X groove silencing check valve is widely used in water supply and drainage, fire protection, air conditioning, gas, petroleum, chemical, water treatment, municipal, shipbuilding and other pipeline engineering to control fluid flow.

Main technical parameters of H81X groove silencing check valve
Nominal pressure 1. O 1.6 2.5 test pressure shell strength 1.5 2.4 3.75 sealing performance 1.1 1.76 2.75 applicable medium product type: cast iron, ductile iron, copper carbon steel, stainless steel applicable medium: water, steam, oil, air, steam, water, steam, oil, air, nitric acid working temperature sealing surface material: rubber acetonitrile rubber, ethylene propylene rubber, fluorine rubber, polytetrafluoroethylene plastic, copper stainless steel working temperature ≤ 60 ≤ 80 ≤ 250 ≤ 250 ≤ 200 ≤ 200 ≤ 200 III. Main parts material of groove type soundproof check valve Product type material: valve body, valve plate, valve shaft sealing surface: cast iron HT200 ductile iron, carbon steel, spray coating or stainless steel Chromium stainless steel or copper rubber NBR, nitrile rubber NBR, ethylene propylene EPOM, fluorine rubber PTFE, polytetrafluoroethylene plastic F40 6 ductile iron QT450 Ductile iron, carbon steel, spray coated or stainless steel, chromium stainless steel, copper copper, or stainless steel, chromium stainless steel, carbon steel, WCB ductile iron, carbon steel, spray coated or stainless steel, chromium stainless steel, or copper stainless steel, 1Cr18Ni9T1 (304) stainless steel, stainless steel, stainless steel, and stainless steel. 4. Main external shape and connection dimensions of groove type soundproof check valve, nominal diameter 50 65 80 100 125 150 200 250 300 350 450 500 600- D 57 60 76 89 108 114 168 219 273 325 377 426 480 530 SJKD3 type A1 14.5 14.5 14.5 16 16 16 19 19 19 25 25 25 25 25 - B1 9.5 9.5 9.5 9.5 9.5 9.5 13 13 13 13 13 13 13 13 - C 2.2 2.2 2.2 2.2 2.2 2.2 2.5 2.5 3.3 3.3 5.5 5.5 55 55 - H81X L 140 140 150 80 - 220 258 332 370 - - - - - - H84X Groove check valve groove

H81X groove silencing check valve is a series of new connecting valves designed and manufactured by introducing advanced products of the same type from the United States and Germany. It has the advantages of fast, simple, safe, reliable installation, no installation site restrictions, easy maintenance of pipelines and valves, vibration isolation and sound insulation, and overcoming the distortion caused by different axis connections of pipelines within a certain angle range, solving the thermal expansion and contraction caused by temperature differences.