Product News

  • NSEN Butterfly Valve Application

    NSEN Butterfly Valve Application

    Last year, NSEN continue provide our butterfly valves for China center heating project. These valves were officially put into use in October and has been running fine for 4 months so far.                
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  • High performance double eccentric butterfly valve

    High performance double eccentric butterfly valve

    In the classification of eccentric valves, in addition to triple eccentric valves, double eccentric valves are widely used. High-performance valve ( HPBV ), its characteristics: long life, laboratory switching times up to 1 million times. Compared with the centerline butterfly valve, the double ...
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  • PN16 DN200 &DN350 Eccentric butterfly valve dispatch

    PN16 DN200 &DN350 Eccentric butterfly valve dispatch

    Recently, NSEN was working on a new project with 635 pcs triple offset valves. Valve delivery separated in several batch, carbon steel valves has been almost finished, remaining stainless steel valves still in machining. It will be the last big project that NSEN working for in year 2020. This wee...
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  • DN600 PN16 WCB metal hard seal butterfly valve NSEN

    DN600 PN16 WCB metal hard seal butterfly valve NSEN

    Last fews year, we have noticed that the large size butterfly valve demand increased a lot, sepecial size from DN600 to DN1400. That because the structure of the butterfly valve is especially suitable for making large-caliber valves, with simple structure, small volume and light weight. Generally...
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  • ON-OFF type electric metal seated butterfly valve

    ON-OFF type electric metal seated butterfly valve

    Electric metal to metal butterfly valves are widely used in metallurgy, electric power, petrochemical, water supply and drainage, municipal construction and other industrial pipelines where the medium temperature is ≤425°C to adjust flow and cut-off fluid. During the national holiday period, the ...
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  • 270 pcs three eccentric butterfly valve dispatch

    270 pcs three eccentric butterfly valve dispatch

    Celebrate! This week, NSEN has delivered the last batch of 270 pcs valve’s project. Near the National Day holiday in China, logistics and raw material supply will be affected. Our workshop arranges workers to work an extra shift for one month, in order to finish the goods before the end of ...
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  • NSEN Flange type high temperature butterfly valve with cooling fin

    NSEN Flange type high temperature butterfly valve with cooling fin

    Triple eccentric butterfly valves can be applied to working conditions with temperatures up to 600°C, and the valve design temperature is usually related to material and structure. When the operating temperature of the valve exceeds 350℃, the worm gear becomes hot through heat conduction, which w...
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  • DN800 large size metal seated high performance butterfly valve

    DN800 large size metal seated high performance butterfly valve

    Recently, our company has completed a batch of DN800 big size offset butterfly valves, the specific specifications are as follows; Body: WCB Disc: WCB Seal: SS304+Graphite Stem: SS420 Removable seat: 2CR13 NSEN can provide customers with valve diameters DN80 – DN3600. Compared with gate va...
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  • NSEN valve at site- PN63 /600LB CF8 Triple eccentric butterfly valve

    NSEN valve at site- PN63 /600LB CF8 Triple eccentric butterfly valve

    If you followed our Linkedin you may know that we provide a batch of eccentric butterfly valve to PAPF last year. The offered valves including the pressure rating 300LB, 600LB, PN16, PN40, PN63 , material in both WCB and CF8 As these valves sent for almost a year, recently, we get feedback and ph...
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  • High temperature high pressure butterfly valve

    High temperature high pressure butterfly valve

    The normal concentric butterfly valve is using in the application below pressure PN25 and temperature 120℃. When the pressure is higher, the soft material can not withstand the pressure and cause damage. In such case, metal seated butterfly valve should be applied. NSEN butterfly valve could prov...
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  • Carbon steel WCB Lug connection High performance butterfly valves

    Carbon steel WCB Lug connection High performance butterfly valves

    Here we will introduce our High performance butterfly valves with double offset design. This series of valves are mostly used in high-frequency opening and closing conditions and are often connected to pneumatic actuators. The two eccentric apply in valve stem and the butterfly disc, realizes th...
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  • NSEN Flanged type double offset rubber seal seawater butterfly valve

    NSEN Flanged type double offset rubber seal seawater butterfly valve

    Seawater is an electrolyte solution containing many salts and dissolves a certain amount of oxygen. Most metal materials are electrochemically corroded in seawater. The chloride ion content in seawater is very large, which increases the corrosion rate. At the same time, the current and sand parti...
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