Product Details import ease closure Muffler check valve ease closure Muffler check valve imports import overview Muffler check valve ease closure products used in the discharge line of water, sewage, water and other media, both to prevent backflow of the medium, can effectively limit the destructive water hammer to ensure safe pipeline. It has a new structure, small size, light weight, small fluid resistance, seal reliable, smooth opening and closing, wear resistance, long life, oil, ease the closure from the media impact, better energy-saving effect and the like. Imported ease closure Muffler check valve Features:? 1, the new structure is reasonable, rational use of hydraulic principles cybernetics 2, stable and reliable work flow 3, the valve quick opening and closing slowly, water hammer impact (closing time?? Adjustable 1 4, check good sealing effect, long life time 5, easy installation and maintenance imports slow closing check valve silencer main technical parameters Nominal pressure:?? 1.0 ~ 2.5MPa Nominal by: 40 ~ 1000mm slow closing time : 3 to 60 seconds Applications: Clean water, sewage, water Temperature: 0 ~ 80 ℃ (if necessary, up to 200 ℃) Flange Standard: GB / T 17241.6 GB / T 9113 Test Standard: GB / T 13927 AP1598 imports ease closure Muffler check valve main parts materials Part Name Body valve stem, cylinder, piston spring seat material cast iron, ductile iron, cast steel, stainless steel Stainless steel Nitrile rubber imports ease closure Muffler check valve shape connection size DN (mm) 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 700 800 900 1000 L 140 150 170 180 190 200 210 230 250 270 290 310 330 350 390 430 470 510 550 H 200 215 225 235 280 290 310 350 415 450 480 550 585 640 720 780 840 990 1050 H1 88 98 108 118 130 148 172 210 240 264 297 324 351 379 434 491 549 600 655 import Muffler check valve ease closure order? Description: Order Please indicate the following: 1, ① product name and model ② ③ nominal diameter nominal rated flow coefficient KV④ inlet pressure ⑤ ⑥ ⑦ working medium connection ⑧ enclosure so that for your correct selecting 2, if. Please indicate special requirements when ordering products. 3, if the unit has been selected by the design model, press model directly to our Sales Department Order. 4, when the occasion is very important or the environment is more complicated, please try to provide design drawings.