China wholesale DIN Bellows Sealed Stop Valve sale to luzern

China wholesale DIN Bellows Sealed Stop Valve sale to luzern


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To be the stage of realizing dreams of our employees! To build a happier, more united and more professional team! To reach a mutual benefit for our customers, suppliers, the society and ourselves! China wholesale DIN Bellows Sealed Stop Valve sale to luzern, we are seeking for extensive cooperation with honest customers, achieving a new cause of glory with customers and strategic partners.

GMK Bellow Seal Valve is designed with bellow welded onto the bonnet and stem, so that when the stem travels drive the below expansion or decompression. It inherently eliminate the conventional design of possible stem packing leakage. GMK bellow sealed valves can achieve truly zero leakage; ideal for stringent leakage-free application like toxic and flammable services

Product Range





-196℃~ 600℃

-Body Materials:

Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel

-Trim (Disc/Stem):

Carbon Steel, Stainless Steel, Duplex Steel, Alloy Steel

Technical Specifications

-Design: DIN 3352

-Face to Face: DIN 3202

-End Flange: DIN 2543-DIN 2547

-Test: DIN 3230

-Special: NACE MR-01-75

Design Features

-Zero stem emission

-Flexible wedge

-Stem bellow & packing double seal design

-Threaded or welded seat ring

-5,000 cycles bellow without failure

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  • FAQ Content

  • Ningbo hanshang hydraulic co.,ltd founded in 1988 is an enterprise including the R&D and manufacture of hydraulic valves and hydraulic systems and international trade. For the purpose of developing high pressure and large flow rate hydraulic valves and providing a warranty of products’ quality and reliability we build hydraulic test benches integrating data collection systems which can accurately test dynamic ,static characters and fatigue life of kinds of industrial and mobile hydraulic valves( max working pressure 350bar,max flow rate 300L/Min) . Hanshang hydraulic owns one prime R&D team in China.The R&D team employs the excellent fluid simulation software AMESim.FLUENT.Matlab and 3D model design software Solidworks,which can ensure highly-efficient,highly-reliability, highly-accuracy of produts ‘R&D.
    We always insist on”the quality of proaducts is the core of our competition,the customer is the god”.Creating the best brand in the hydraulic field is the target of hanhang hydraulics. We warmly welcome customers come to our company for business cooperation.

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