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One of Hottest for Flanged Silent Check Valve – Cast Iron Double Disc Swing Check Valve – Dongsheng

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Our concentrate on is always to consolidate and enhance the excellent and service of present solutions, in the meantime regularly develop new products to meet distinctive customers' demands for Bs5163 Gate Valve, Centerline Butterfly Valves, Flanged Type Butterfly Valve, We persistently develop our enterprise spirit "quality lives the enterprise, credit assures cooperation and keep the motto in our minds: customers first.
One of Hottest for Flanged Silent Check Valve – Cast Iron Double Disc Swing Check Valve – Dongsheng Detail:

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The function of the dual plates check valve is to only allow the medium to flow in one direction and prevent the flow in one direction. Usually this kind of valve works automatically. Under the action of the fluid pressure flowing in one direction, the valve flap opens; when the fluid flows in the opposite direction, the fluid pressure and the self-coincidence of the valve flap act on the valve seat, thereby cutting off the flow.

Structural Features of Wafer Butterfly Check Valve:

  • The structure length is short, and its structure length is only 1/4 to 1/8 of the traditional flange check valve;
  • Small size and light weight, its weight is only 1/4 to 1/20 of traditional flange check valve;
  • The valve flap closes quickly and the water hammer pressure is small;
  • Both horizontal pipes and vertical pipes can be used, and the installation is convenient;
  • The flow channel is unobstructed and the fluid resistance is small;
  • Sensitive action and good sealing performance;
  • The valve clack stroke is short, and the impact force of closing the valve is small;
  • The overall structure, simple and compact, beautiful appearance;
  • Long service life and high reliability.

We will not only do our best to provide you with excellent products and services, but also stand ready to accept any suggestions.
For OEM Dual Plates Check Valve Cast Iron Body with SS Disc, welcome your inquiry. We’re going to be glad to establish pleasant business interactions with you! Please feel free to contact us by email info@lzds.cn or phone/WhatsApp +86 18561878609.

Professional OEM Dual Plate Check Valve, OEM Check Valve, Our goods are very popular in the word, like South American, Africa, Asia and so on. Companies to “create first-class products” as the goal, and strive to offer customers with high quality solutions, supply high-quality after-sales service and technical support, and customer mutual benefit, create a better career and future!

Product parameter

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NO. PART MATERIAL
1 Body GG25/GGG40/SS304/SS316
2 Spring Stainless steel
3 Disc SS316/SS304/WCB/C954
4 Ring Steel
5 Seat Ring NBR/EPDM/VITON
6 Shaft-1 SS316/SS304
7 Shaft-2 SS316/SS304
8 Gasket-1 PTFE
9 Gasket-2 NBR
10 Screw Steel
DN(mm) 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 700
 L (mm) 43 43 46 64 64 70 76 89 114 114 127 140 152 154 178 229
D(mm) 65 65 80 94 117 145 170 224 265 312 360 410 450 500 624 720
Φ(mm) PN10 92 107 127 142 162 192 218 273 328 378 438 489 532 585 690 800
PN16 92 107 127 142 162 192 218 273 329 384 446 491 550 610 720

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Contact: Judy  Email: info@lzds.cn  Whatsapp/phone: +86 18561878609


Product detail pictures:

One of Hottest for Flanged Silent Check Valve – Cast Iron Double Disc Swing Check Valve – Dongsheng detail pictures

One of Hottest for Flanged Silent Check Valve – Cast Iron Double Disc Swing Check Valve – Dongsheng detail pictures

One of Hottest for Flanged Silent Check Valve – Cast Iron Double Disc Swing Check Valve – Dongsheng detail pictures


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While in the past few years, our organization absorbed and digested innovative technologies both equally at home and abroad. Meanwhile, our organization staffs a group of experts devoted for the advancement of One of Hottest for Flanged Silent Check Valve – Cast Iron Double Disc Swing Check Valve – Dongsheng , The product will supply to all over the world, such as: Turkmenistan, Detroit, Saudi Arabia, We take measure at any price to attain essentially the most up-to-date gear and procedures. The packing of nominated brand is our a further distinguishing feature. The solutions to assure years of trouble-free service has attracted a great deal customers. The goods are obtainable in improved designs and richer variety, they're produced scientifically of purely raw supplies. It accessible in a variety of designs and specifications for the selection. The newest forms are much far better than the previous one and they're extremely popular with several clients.
  • The factory can meet continuously developing economic and market needs, so that their products are widely recognized and trusted, and that's why we chose this company.
    5 Stars By Chris from Benin - 2018.12.10 19:03
    This supplier stick to the principle of "Quality first, Honesty as base", it is absolutely to be trust.
    5 Stars By Eunice from Mumbai - 2018.12.11 11:26
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