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Shanghai Yi Huan
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.
PN(MPa) |
Seal test(water) MPa | Strength test(water) MPa | Working temperature | Medium |
1.6 | 1.76 | 2.4 | ìÚ80ìæ | Clean-water |
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 |
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Address: Zone Y No.1957 Jiaotong Road, Shanghai 200065, China
TEL: +86 (21) 3652 1965 FAX: +86 (21) 6224 9769 MP:+86 138 1709 1777 Email:sales@yihuan.org
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