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  • Good Wholesale Vendors Electric Control Valve - 9708 Single Orifice Air Relief Valve – Convista

    Good Wholesale Vendors Electric Control Valve - 9708 Single Orifice Air Relief Valve – Convista

    Specifications Provides the functions of both Air Release and Air / Vacuum Valves. Exhausts large quantities of air at system start-up. Provides protection from pipeline collapse due to vacuum. Incorporates both features within one calve, more compact and economical. NPT or Metric thread of inlet. Working Pressure and Temperature 16bar rated at -10°C to 120°C. Corrosion Protection Fusion bonded coating or liquid epoxy painted interior and exteri...
  • Special Price for Water Control Valve - 9101A Double Orifice Air Relief Valve – Convista

    Special Price for Water Control Valve - 9101A Double Orifice Air Relief Valve – Convista

    Specifications Dual air release vent the accumulated small volumes of air during normal system operation. Allow inflow of large volumes of air during draining of the pipeline. Allow venting of large volumes of air during filling of the pipeline. Provide protection from pipeline collapse due to vacuum. Flange and drilling comply with EN 1092-2 PN16 (Other types are available on request). Working Pressure and Temperature 16bar rated at -10°C to 120°C. C...
  • Discountable price Water Spray Regulating Valve - 3248 AWWA C515 NRS Resilient Seated Gate Valve – Convista

    Discountable price Water Spray Regulating Valve - 3248 AWWA C515 NRS Resilient Seated Gate Valve – Convista

    Detail Specification Meet or exceed the requirements of AWWA C515 standard. Full waterway. 2″ Square Operating Nut. Rubber fully encapsulated ductile iron wedge. Triple O-Ring stem seal. Face to face dimension complies with ASME B16.10 Flange and drilling comply with ASTM B16.1 Class 125. (Other flange types available upon Request) Options ASTM A276 Grade 316 stem. Stainless steel fasteners: A2-70 or A4-70. With post flange. Operated with handwheel, opera...
  • High Quality for Welded Ball Valve - Four Way Ball Valve – Convista

    High Quality for Welded Ball Valve - Four Way Ball Valve – Convista

    Detail Type  FWB Design Specification  ASME B16.34, API 6D NominaDiameter  DN15~DN500 (NPS 1/2″~NPS 20) Pressure Rating  PN1.6MPa~PN25.0MPa (Class 150~Class1500)  Four-way balvalve also known as four way circulating valve, at present, this valve is mainly supplied to clockwise and counterclockwise circulating water supply system of cooler device on power station. The conventionapiping design for clockwise and counterclockwise circulating water supply is use a...
  • High Quality for Welded Ball Valve - Closed spring-loaded low lift type safety valve – Convista

    High Quality for Welded Ball Valve - Closed spring-loaded low lift type safety valve – Convista

    Specifications A41H-16C, A41H-25C, A41H-40C, A41Y-64C, A41Y-100C, KA41H-16P A41Y-16P, A41Y-25P, A41Y- 40P, A41Y-64P, A41Y-100P, KA41Y-25P A41Y-16R, A41Y-25R, A41Y-40R, A41Y-64R, A41Y-100R, KA41Y-40R A41H type are used for the equipment and pipeline of the petroleum gas, air water etc. medium what the working temperature are less than 300°C.A41Y-P/R type are used for the equipment and pipeline of the quality with corrode medium what the working temperature are less than200°C.Ta...
  • Factory wholesale Dual Plate Valve - 3233 AWWA C515 OS&Y Resilient Seated Gate Valve – Convista

    Factory wholesale Dual Plate Valve - 3233 AWWA C515 OS&Y Resilient Seated Gate Valve – Convista

    Detail Meet or exceed the requirements of AWWA C515 standard. Full waterway. Adjustable packing. Rubber fully encapsulated ductile iron wedge. Handwheel-open left or open right. Face to face dimension complies with ASME B16.10 and EN558 series 3. Flange and drilling comply with ASTM B16.1 Class 125 or EN1092-2 PN10/16/25. (Other flange types available upon Request) Grooved ends meet AWWA C606 standard or Metric Dimensions. Options SS316 Stainless steel stem. St...
  • Manufacturer for Awwa C509 Nrs Resilient Seated Gate Valve - Spring type safety valve – Convista

    Manufacturer for Awwa C509 Nrs Resilient Seated Gate 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...
  • One of Hottest for Hydraulic Control Valve - 1308 Plunger Valve – Convista

    One of Hottest for Hydraulic Control 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...
  • One of Hottest for Hydraulic Control Valve - Fully Welded Ball Valve – Convista

    One of Hottest for Hydraulic Control Valve - Fully Welded Ball Valve – Convista

    Detail Along with the further developing of long distance transmission pipeline, and speedy process on localizing manufacturing pipeline ball valve, the market request a higher requirement on valve’s stable performance, higher strength, longer service life, more widely range of product parameter, which ensure the safety and reliability operation of long distance transmission of pipeline and city fuel gas pipeline. CONVISTA’s forged steel fully welded ball valve with its&...
  • Cheapest Price Positioner Pneumatic Control Valve - Orbit Ball Valve – Convista
  • Free sample for Cast Steel Gate Valve - 9708 Single Orifice Air Relief Valve – Convista

    Free sample for Cast Steel Gate Valve - 9708 Single Orifice Air Relief Valve – Convista

    Specifications Provides the functions of both Air Release and Air / Vacuum Valves. Exhausts large quantities of air at system start-up. Provides protection from pipeline collapse due to vacuum. Incorporates both features within one calve, more compact and economical. NPT or Metric thread of inlet. Working Pressure and Temperature 16bar rated at -10°C to 120°C. Corrosion Protection Fusion bonded coating or liquid epoxy painted interior and exteri...
  • China Cheap price Spring Type Safety Valve - M60A vacuum breaking valve – Convista

    China Cheap price Spring Type Safety Valve - M60A vacuum breaking valve – Convista

    Specifications Type: nuclear power vacuum breaking valve Model: JNDX100-150P 150Lb Nominal Diameter: DN 100-250 Applied to condenser system of a nuclear power station, it has negative pressure suction, positive pressure exhaust and liquid leakage prevention functions .1.The vacuum breaking valve, an automatic valve, requires no additional drive when it is put into operation. At normal working state, the joint force of spring and medium exerted on valve disc presses the valve d...