Product Description Established in 1998, Ningbo Jiekelong Manufacturing Inc. is located at Cicheng, Ningbo, with convenient transportation by water, land and air. Specialized in development and production of copper valves, gas valves, cast steel valves, stainless steel valves, sanitary wares, water meters and various pipe fittings etc, the company is devoted provide high quality professional services to all customers around the world. Thank you very much for your visiting our website.     J5001 Forged Brass Spring check valve With Net,1/2" to 4",PN16      1.Technical Standard DN1/2" To 4",DN15 To DN100 (PN)Nominal Pressure:   1.6 MPa(200PSI) Working Medium:   Water. Working Temperature:    -20°c ≤ t ≤ 100°c Parallel Pipe Thread to ISO-07 Parallel Pipe Thread to ISO228/1,BSP,NPT etc.   Your dream,we help you to realize!   We can design and produce the valves according to your specific requirements!   Give us Trust,we return you Satisfactory!   2.Ningbo JKLong Valves Manufacturing Inc.: (1)Ningbo JKLong Valves Manufacturing Inc.was founded in 1998,is the subsidiary company of Ningbo  Jintian Copper (Group) Co.,Ltd, which is Top 500 enterprises and the largest copper processing  manufacturer in China, with more than 5000 staffs and annual output is 35billon RMB.   (2)All-round product categories, State-level Enterprise Technology Center and Post doctoral Research  Center provide the capacity to offer customers full-range valves. The company, following the customers’  special demands and some standards such as GB, IEC, NBMA, JIS, DIN, etc.   (3)We have passed three management System certificates, ISO9001, ISO14001 and OHSAS18001.  Besides,our products are satisfied the UN’s ROHS requirements.   (4)Steady raw material supply:we own Jintian Copper Bar Company, which guarantees product quality,  low cost and timely supply.   (5)Industry-leading automated processing equipment and strict quality test systems.         A.   Whole process monitoring from material to the finished product.        B.   Valves’ service life testing.        C. 100% sealing performance test and 100% leakage test.         D.  Annual R&D projects reach the number of 100.         E.   Final inspection of products’ function and appearance before package.         F.  American standard air &water pressure testing.    (6) Good after-sales service.    (7)Successful projects: Bird Nest, Olympic Village, Shanghai World Financial Center, etc.    (8)15 years rich experience of OEM &ODM.  For make sure the correct products you need, we are very appreciate if you can tell us :    Brass Material,DN,PN,Weight,Quantity,Packing,Delivery Time,Sample or Drawing .   Any interests of our products,feel free to call me or email me ,we will try to reply you in time!   Welcome to visit our Factory !           Thank you !

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