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Summary
Ball Check Valves, Single, Double Ball uses the rubber covered roller as the disc, which, under the action of the medium, can roll up and down along with the sliding path inside the valve so as to open or close it. And it features by the big flow, small flow-resistance loss, good tightness, silent close and reduced water shock wave. It can be mountable vertically or horizontally and used on the outlet of the water pump of the cold-water, hot-water, industrial and living sludge pipe networks to prevent the medium from going back.
Supplier: Saitai Valve, China
Manufacturer: Shop in Shanghai Qingpu Industrial Park
Technical Parameters
| Model | PN(MPa) | Casting test pressure (MPa) | Seal test pressure (MPa) | Body material | Ball material |
| HQ4445X-10 | 1.0 | 1.5 | 1.1 | Cast iron | Rubber covered carbon steel |
| HQ4445X-16 | 1.6 | 2.4 | 1.76 |
Dimensions of Single Ball
| DN mm | HQ44X-1016 | ||||||||
| 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | |
| D | 160 | 180 | 195 | 215 | 245 | 280 | 335 | 405 | 460 |
| D1 | 125 | 145 | 160 | 180 | 210 | 240 | 295 | 355 | 410 |
| D2 | 100 | 120 | 135 | 155 | 185 | 210 | 265 | 320 | 375 |
| L | 250 | 280 | 310 | 350 | 400 | 450 | 550 | 650 | 750 |
| H | 180 | 210 | 225 | 245 | 280 | 320 | 380 | 450 | 510 |
Dimensions of Double Ball
| DN mm | HQ45X-1016 | |||||||||||
| 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 700 | 800 | 900 | 1000 | |
| D | 360 | 425 | 485 | 550 | 610 | 660 | 730 | 840 | 955 | 1070 | 1180 | 1305 |
| D1 | 310 | 370 | 430 | 490 | 550 | 600 | 660 | 770 | 875 | 990 | 1090 | 1210 |
| D2 | 278 | 332 | 390 | 448 | 505 | 555 | 610 | 718 | 815 | 930 | 1025 | 1140 |
| L | 550 | 650 | 750 | 850 | 950 | 1050 | 1150 | 1350 | 1450 | 1650 | 1900 | 2100 |
| H | 510 | 570 | 640 | 715 | 815 | 825 | 980 | 1155 | 1260 | 1350 | 1660 | 1700 |
Typical installation
Ball Check Valves, Single, Double Ball Related Products
Next:Rubber Flapper Swing Check Valves
Catalog:Check Valves
Above:Flanged Ball Check Valve