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Check Valve - China

price: 3.00 Dollar US$

It is general name for control one-way water flow check valve. The valve buried in canal slope or channel bottom to control groundwater drain into valve in one-way direction under water head difference. According to the opening mode, there have anti-sedimentation flap-type check valve, anti-sedimentation ball-type check valve, etc.
It is made from PVC-U, Acrylonitrile-Brtadiene-Styrene (ABS), polyamide (Nylon), inject molding。With characteristic of the spare parts can be replaced, anti-sedimentation, only allow the water flow to outside, avoids surface water leak down. It widely use for JLFP, JLFQ water project of high groundwater canal slope, impounding reservoir.
Construction guide
Socket type check valve should be installed after construction of pressure-reducing drainage pipe is completed and meets design requirement, and then press check valve into casing directly. In the process of installation, please pay attention in the following points:
1. Before install the check valve, in order to prevent the pipe casing from being blocked by concrete, sands or slurry, etc., a temporary protective cover should install on the top.
2. When install the check valve, open the temporary protective cover, clean up the pipe casing, and then press into the check valve.

Company Contact:

  • Phone: +86-010-87762950

  • Address: Room 1510, 15f/ Huateng Building, A No. 302 Jinsong 3 District, Chaoyang District, Beijing, China, Beijing, Beijing, China

  • Email: Email

Published date: July 19, 2016 -

  • Business Description: Beijing Jianlin Engineering materials Co., Ltd is a large-scale manufacture and trade enterprise of engineering materials in China.
    Our factory was founded in 1980's, now located in Longhua Industrial Zone, Hengshui, Heibei, China. It has the registered capital of RMB 118 million, the factory workshop area covers more than 21,800m2, with over 360 employees and 280 sets production equipments. Now annual output value has reached more than RMB 390 million.
    Our products include 4 series, as following construction joint sealing products, Geotextile materials, drainage pipes and valves, slope protection products. The main products are rubber water-stop, water-stop strip, Polyurethane Sealant, Silicone Sealant, Geo-textile, Geo-membrane, Waterproof geomembrane, Check Valve, Flexible Permeable Hose, Hard Drain Pipe, Geo-net, PET Geo-bag, Gabion Box etc. The products were applied to railways, highway, subways, airport, bridges, tunnel, building construction, water conservancy, agricultural engineering, industry, power station, soil and water conservation, vegetation conservation, sewage treatment, water supply, landfills, channel slope protection, bank protection, underground construction, landslides,etc.
    Our company has the advanced productions and testing equipments, strong technical force and strict testing methods. We passed ISO14001:2004, ISO9001:2008, HSAS18001:2007 environmental management certification, and established long-term quality monitoring system with Hebei Rubber Inspection Institute, ensuring the product quality.
    We serve numerous enterprises at home and abroad with our stable product quality, safe using performance, reasonable price and professional after-sale sales team. Such as Beijing Subway, Guangzhou Subway, Ning-Tai-Wen Expressway, Chongqing-Huaihua Railway, Wuhan Yangtze River Crossing Tunnel, Qinghuangdao Port, Manshuiwan Power Station, Eastern Route and Central Route of South-to-north Water Diversion and many other major projects , and winning good praises of industry experts and construction units.
    We warmly welcome the clients from all over the world to visit our company for business cooperation.

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