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  • Bottom price Ss Wafer Butterfly Valve - 1308 Plunger Valve – Convista

    Bottom price Ss Wafer Butterfly Valve - 1308 Plunger Valve – Convista

    Specifications Precisely control the pressure and flow, the flow characteristics shall be as linear as possible over the whole opening range. Use to prevent from the pressure heads and cavitations. Suit for potable or raw water. Main O-ring seal located on plunger. Four hard faced guides to support cylinder. The system has been proven to minimize wear compared to a three-guide system. Flexible design accommodates many forms of valve actuation and control, such as manual operat...
  • 100% Original Wafer Butterfly Valve - 2902 Grooved Butterfly Valve – Convista

    100% Original Wafer Butterfly Valve - 2902 Grooved Butterfly Valve – Convista

    Specifications Meet or exceed the requirements of EN593, AS4795.1 and MSS SP-67. Rubber encapsulated ductile iron disc. 2 shafts design Mounting flange in accordance with ISO 5211 or MSS SP-102. Grooved ends connection dimensions meet AWWA C606 standard or other IPS pipe. Options SS304 / 316 stainless steel shaft. BUNA-N encapsulated disc. Gear operator or handle operated. Built-in temper switch of gear operator. Material Specifications Part ...
  • Newly Arrival Radiator Valve - 3126 DIN3352 NRS Metal Seated Gate Valve – Convista

    Newly Arrival Radiator Valve - 3126 DIN3352 NRS Metal Seated Gate Valve – Convista

    Specifications Valves comply with DIN3352. Metal seat. Inside screw. Ring stem seal. Handwheel operated. Flanged to EN1902-2 PN10 or PN16. Face to face length in accordance with DI N3202-F4. Options Internally and externally liquid epoxy painted. Material Specifications Body  grey cast iron Trim  brass Stem  stainless steel Bonnet  grey cast iron
  • Chinese wholesale Hvac Water Works Valve - Spring type safety valve – Convista

    Chinese wholesale Hvac Water Works Valve - Spring type safety valve – Convista

    Detail Type  Safety Valve Model  A68Y-P54110V, A68Y-P54140V, A68Y-P54200V, A68Y-P5432V, A68Y-P5445V, A68Y-P5464V Nominal Diameter  DN 40-150 It is applicable for steam, air and other medium equipment or pipeline (working temperature ≤560℃ and working pressure ≤20MPa) as an overpressure protector. Advantages With spring full-discharge structure design, the valve has large discharge coefficient, simple structure, good sealing performance, accurate open...
  • High definition Metal Seated Plug Valve - 9110 Combination Air Valve for Sewage – Convista

    High definition Metal Seated Plug Valve - 9110 Combination Air Valve for Sewage – Convista

    Specifications Single chamber double orifice triple function air and vacuum automatic release valve. Designed to operate with liquids carrying solid particles such as sewage and effluent. Release air during charging of the system and intake air during draining of the system. Complete separation of the liquid from the sealing mechanism provide optimum work conditions. All inner metal parts made of stainless steel. Flanged and drilling complies with EN1092-2 PN16 (Other types ar...
  • 2020 wholesale price Steam Exhaust Globe Valve - ZDM Series Automatic recirculation control valve – Convista

    2020 wholesale price Steam Exhaust Globe Valve - ZDM Series Automatic recirculation control valve – Convista

    Profile ZDM series Automatic recirculation valve is a kind of pump protection device. It automatic protects centrifugal pump when pump body occur cavitation damageor unstable (especially conveying hot water at low load operation). Once pump flow is lower than the preseted flow, bypass can completely open to ensure the minimum required flow pump. Even running fully closed, namely running flow is zero, the minimum flow can also pass bypass for Automatic recirculation. Pressure r...
  • PriceList for High Temperature Globe Valve - 5201 Swing Check Valve – Convista

    PriceList for High Temperature Globe Valve - 5201 Swing Check Valve – Convista

    Specifications Face to face dimension to DIN3202 F6 series. Globe shape to provide full flow with low pressure drop. Suitable for mounting in horizontal and vertical position. (With vertical flow upwards) Available with flanged to EN1092-2 PN10 or PN16. (Other flange types available on request) Options Ductile Iron construction for 25bar/30Opsi. Material Specifications Body  cast iron Cover  cast iron Disc  cast iron Trim  bronze
  • Hot Selling for Directional Control Valve - Inner assemble safety valve – Convista

    Hot Selling for Directional Control Valve - Inner assemble safety valve – Convista

    Specifications ANA42F ANA42F inner assemble safety valve is to be applied to liquefied gas tank lorry in railroad and automobile or ground liquefied gas tank, to provide over pressure protection.
  • High Quality Butterfly Valve - 5104A 5105A Silent Check Valve – Convista

    High Quality Butterfly Valve - 5104A 5105A Silent Check Valve – Convista

    Specifications The design is for liquid service and offers many obvious advantages when compared with conventional swing check valve. Spring automatically closes disc at zero flow before flow reversal occurs. This prevents surge and water hammer. Completely guided disc both top and bottom. Perfect tightness soft sealed even at low differential pressure. Flanged and drilling complies with EN1092-2 PN10/16; ANSI B 16.1 Class125. Options PN25/300 psi available. Du...
  • Big Discount Spherical Disc Butterfly Valve - 5904 Grooved Ends Swing Check Valve – Convista

    Big Discount Spherical Disc Butterfly Valve - 5904 Grooved Ends Swing Check Valve – Convista

    Specifications Superior design featuring exceptionally low-pressure losses at high flow rates. Rubber encapsulated disc facing and bronze seat ring. Spring loaded for fast closure. Grooved connections are cut in accordance with AWWA C606 or other standard groove specifications for steel pipe. Corrosion Protection Internally and externally fusion bonded epoxy powder coated (FBE). Material Specifications Body  ductile iron Disc  DI, EPDM/NBR ...
  • Good quality Stainless Steel Needle Valve - Liquefied petroleum gas, Back-flow safety valve – Convista

    Good quality Stainless Steel Needle Valve - Liquefied petroleum gas, Back-flow safety valve – Convista

    Specifications AH42F-16C, AH42F-25C, AH42F-40C A42F-16C, A42F-25C, A42F-40C AH42F-16P, AH42F-25P, AH42F-40P A42F-16P, A42F-25P, A42F-40P AH42F-16R, AH42F-25R, AH42F-40R A42F-16R, A42F-25R, A42F-40R AH42F lpg safety back-flow safety adjustable pressure relief valve Pressure safety relief valve is used in liquefied petroleum gas liquid phase exit pipe with working temperature of -40 to 80℃. When inlet and outlet pressure difference is larger than 0.5MPa, the liquefied petroleum ...
  • Massive Selection for Main Safety Valve - 5104A 5105A Silent Check Valve – Convista

    Massive Selection for Main Safety Valve - 5104A 5105A Silent Check Valve – Convista

    Specifications The design is for liquid service and offers many obvious advantages when compared with conventional swing check valve. Spring automatically closes disc at zero flow before flow reversal occurs. This prevents surge and water hammer. Completely guided disc both top and bottom. Perfect tightness soft sealed even at low differential pressure. Flanged and drilling complies with EN1092-2 PN10/16; ANSI B 16.1 Class125. Options PN25/300 psi available. Du...