Well-run tools, skilled gross sales team, and improved after-sales companies; We’re also a unified huge family members, absolutely everyone stick to the organization benefit “unification, devotion, tolerance” for Wholesale OEM China Stainless Steel Double Disc Wafer Butterfly Type Check Valve, We have been searching forwards to creating long-term business interactions with worldwide customers.
Well-run tools, skilled gross sales team, and improved after-sales companies; We’re also a unified huge family members, absolutely everyone stick to the organization benefit “unification, devotion, tolerance” for China Stainless Steel Check Valve, Rubber Seat Check Valve, Strong infrastructure is the need of any organization. We are backed with a robust infrastructural facility that enables us to manufacture, store, quality check and dispatch our products worldwide. To maintain smooth work flow, we have sectioned our infrastructure into a number of departments. All these departments are functional with latest tools, modernized machines and equipment. Owing to which, we are able to accomplish voluminous production without compromising upon the quality.
1. Small volume, light weight, compact structure, easy maintenance.
2. The valve plate adopts dual type, in the spring under the elastic moment of quick closing on its own. ~
3. Because of the quick closing effect, can prevent the backflow medium, eliminate water hammer effect is strong.
4. The body structure of small length, good rigidity, safe and reliable.
5. Completely sealed, water pressure test leak is zero.
6. Easy installation, can be used for horizontal two vertical direction installation.
7. Flange connection size comply with the provisions of GB/T 17241.6-98.
8. Structure length comply with GB /T1 2221 -89, ISO5752-89.
Body | Disc | Stem | Rubber gasket | Sping | ||||
Name | Code | Name | Code | Name | Name | Code | Working temp | Name |
Cast | Z | Plated ductile Iron | 1 | Stainless steel | EPDM | X3 | -46~+121Intemittence-50~+150 | Stainless steel |
Ductile Irol | Q | Aluminum bronze | 2 | Neoprene | X4 | -29~+99Intemittence-35~+113 | ||
Carbon steel | C | ZG1Cr13Ni9TiStainless steel | NBR | X5 | -35~+82Intemittence-23~+93 | |||
Stainless steel | P | CF8MStainless steel | 5 | Neoprene | X7 | -23~+150 | ||
CF8MStainless steel | 7 |
DN£¨mm£© Nominal diameter |
50(2″)~700(28″) |
50(2″)~450(18″) |
|
PN(Nominal pressure) | 1.0 | 1.6 | |
MPaTesting pressure | Shell | 1.5 | 2.4 |
Sealing | 1.1 | 1.76 | |
Suitable temperature |
|||
Suitable mediums |
Frash water,sewage,air,steam,food,medicine,oils,acids,etc. |
DN | D | D1 | D2 | L | R | t | weight£¨kg£© | |
mm | inch | |||||||
50 | 2″ | 107 | 65 | 43.3 | 43 | 28.2 | 19 | 1.5 |
65 | 2.5″ | 127 | 80 | 60.2 | 46 | 36.1 | 20 | 2.4 |
80 | 3″ | 142 | 94 | 66.4 | 64 | 43.4 | 28 | 3.6 |
100 | 4″ | 162 | 117 | 90.8 | 64 | 52.8 | 27 | 5.7 |
125 | 5″ | 192 | 145 | 116.9 | 70 | 65.7 | 30 | 7.3 |
150 | 6″ | 218 | 170 | 144.6 | 76 | 78.6 | 31 | 9.0 |
200 | 8″ | 273 | 224 | 198.2 | 89 | 104.4 | 33 | 17 |
250 | 10″ | 328 | 265 | 233.7 | 114 | 127 | 50 | 26 |
300 | 12″ | 378 | 310 | 283.9 | 114 | 148.3 | 43 | 42 |
350 | 14″ | 438 | 360 | 332.9 | 127 | 172.4 | 45 | 55 |
400 | 16″ | 489 | 410 | 381.0 | 140 | 197.4 | 52 | 75 |
450 | 18 | 539/555 | 450 | 419.9 | 152 | 217.8 | 58 | 101/107 |
500 | 20″ | 594 | 505 | 467.8 | 152 | 241 | 58 | 111 |
600 | 24″ | 690 | 624 | 572.6 | 178 | 295.4 | 73 | 172 |
700 | 28″ | 800 | 720 | 680 | 229 | 354 | 98 | 219 |
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