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| Media: | Water,Oil,Gas,etc |
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| Product Name | Piston-type Check Valve with Slow Closing |
| Nominal Diameter | DN500~DN800 |
| Nominal Pressure | 1.0~1.6Mpa |
| Applicable Temperature | 0~120°C |
| Applicable Media | Water,Oil,Gas,etc |
| Materials | Gray Cast Iron,Ductile Iron,Cast Iron |
TOP VALVES products mainly adopt international advanced standards such as American API, ANSI, British BS, German DIN, French NF, Japanese JIS, JPI, Chinese GB, etc., and can produce nominal sizes of 1/4"-80" (DN6-DN2000mm), Nominal pressure 150LB-2500LB, working temperature -196ºC~680ºC gate valve, globe valve, ball valve, check valve, butterfly valve, etc.TOP VALVES MANUFACTURE (NANTONG) CO.,LTD. was established in April 2006 with a registered capital of 60 million. The headquarter is located at Binhai Industrial Zone, Qidong City, Jiangsu Province with about 100 employees. Specializing in the development and production of various industrial valves.
TOP VALVES factory is equipped with more than 100 modern machining equipment such as automatic manipulators, CNC machining centers, CNC numerical control machine tools, vertical lathes, milling machines, grinders, etc., material tensile testing machines, hardness testers, spectrum analyzers, and ultrasonic flaw detection , The physical and chemical laboratory, CL2500 ultra-low temperature and cryogenic test equipment (the second domestic) and other testing equipment and measures are complete, and the product quality is consistently assured at every stage, from raw materials procurement to production and final delivery.
The company has successfully obtained ISO9001 (French Bell AFNOR) quality certification, OHSAS18001 employee health and safety certification, ISO14001 environmental management certification, TSG (China Special Equipment Manufacturing License A1), API 6D/607 certification, CE (European Union) certification, RINA, BV, DNV,CCS, 3A enterprise credit certification, etc.
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