HS41X Sludge-Preventing Obstructing Valve
HS41X sludge-preventing obstructing valve about the product
This valve is a new-style control valve self developed by our company, by means of introducing foreign advanced know-how. And it is used in the conditions that the water supply pipe network at present is seriously polluted due to back flow. And it is safe, reliable and able to prevent the back flow pollution of drinking water so as to make sure of both safety and sanitation of living and drinking water.
HS41X sludge-preventing obstructing valve purpose and schematic diagram of installation
Mainly used for the drinking water supply system of high buildings, fire-fighting water system, air-conditioning and refrigerating, the water supply pipeline in water works etc. to prevent of the water back flow inside the pipeline, causing back-flow pollution.
AHS41X sludge-preventing obstructing valve main performance parameters
| PN(MPa) | Seal test(water) MPa | Strength test(water) MPa | Working temperature | Medium |
| 1.6 | 1.76 | 2.4 | ìÚ80ìæ | Clean-water |
HS41X sludge-preventing obstructing valve main connection dimensions
| DN mm | Way of installation | L(mm) | L(mm) | Tubular thread D(mm) | D1 | With sludge drain H1(mm) | H(mm) | Width (mm) | No of bolt hole n-¦Õd(mm) |
| 20 | Pipe thread | 260 | 13 /4ì° | 130 | 65 | 208 | |||
| 25 | 260 | 1ì° | 140 | 80 | 210 | ||||
| 32 | 280 | 11/4ì° | 180 | 90 | 215 | ||||
| 40 | 320 | 11/2ì° | 270 | 150 | 235 | ||||
| 50 | 400 | 2ì° | 280 | 160 | 250 | ||||
| 40 | Flange | 440 | 415 | 145 | 100 | 335 | 165 | 235 | 4£18 |
| 50 | 500 | 458 | 160 | 125 | 360 | 180 | 250 | 4£18 | |
| 65 | 620 | 480 | 180 | 145 | 560 | 250 | 425 | 4£18 | |
| 80 | 680 | 550 | 195 | 160 | 640 | 285 | 450 | 8£18 | |
| 100 | 760 | 650 | 215 | 180 | 695 | 310 | 465 | 8£18 | |
| 125 | 870 | 735 | 245 | 210 | 730 | 340 | 495 | 8£18 | |
| 150 | 1030 | 790 | 280 | 240 | 780 | 390 | 695 | 8£23 | |
| 200 | 1170 | 1000 | 335 | 295 | 895 | 445 | 730 | 12£23 | |
| 250 | 1320 | 1185 | 405 | 355 | 980 | 530 | 750 | 12£25 | |
HS41X sludge-preventing obstructing valve schematic diagram of installation
