HH48 micro-resistance slow-closing butterfly typecheck valvesIt is suitable for pipelines of clear water, sewage, seawater and other media with nominal pressure of 1.6MPa and medium temperature of ≤80℃, as well as pressurized pumping units for water supply and drainage. Through the unique micro-resistance slow closing device of this butterfly check valve, it can effectively prevent the occurrence of water hammer and ensure the safe operation of pipeline system.
Product Features
- As this check valve is equipped with micro-resistance slow closure device, it can effectively prevent the occurrence of the phenomenon of water strike and ensure the normal operation of the pipeline.
- This check valve has a unique and novel design structure, small size and light weight.
- The valve flap is made of rubber and steel plate pressed by high temperature, with reliable sealing performance, abrasion resistance, long service life, and muffling effect.
Product Parameters
产品型号 | HH48X-16Q |
阀体材质 | 球墨铸铁 |
公称压力 | ≤1.6Mpa |
适用介质 | 水等 |
适用温度 | ≤80°C |
Product Size Reference

通径 | L | H | H1 |
DN40 | 150 | 200 | 88 |
DN50 | 150 | 215 | 98 |
DN65 | 170 | 225 | 108 |
DN80 | 180 | 235 | 118 |
DN100 | 190 | 280 | 130 |
DN125 | 200 | 290 | 148 |
DN150 | 210 | 310 | 172 |
DN200 | 230 | 350 | 210 |
DN250 | 250 | 415 | 240 |
DN300 | 270 | 450 | 264 |
DN350 | 290 | 480 | 297 |
DN400 | 310 | 550 | 324 |
DN450 | 330 | 585 | 351 |
DN500 | 350 | 640 | 379 |
DN600 | 390 | 720 | 434 |
DN700 | 430 | 780 | 491 |
DN800 | 470 | 840 | 549 |
DN900 | 510 | 990 | 600 |
DN1000 | 550 | 1050 | 655 |
DN1200 | 630 | 1210 | 770 |