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Shanghai Kangquan Valve Co., Ltd.

Large Orifice Air Valve, BS4504 Large Orifice Air Valve, BBS4504 Large Orifice Air Valve Dn50-300 manufacturer / supplier in China, offering Ductile Iron Automatic Large Orifice Air Valve, Disc Double Flange Butterfly Valve, Ss Strainer with Silence Check Foot Valve and so on.

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Ductile Iron Automatic Large Orifice Air Valve

FOB Price: US $100 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $100/ Piece
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Port: Shanghai, China
Production Capacity: 10, 000sets/Year
Payment Terms: L/C, T/T, Western Union, Money Gram

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air valve
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Basic Info
  • Model NO.: KQRX-10Q
  • Trademark: KQ or OEM
  • Specification: ISO Quality Management System
  • HS Code: 8481804090
  • Dn40~Dn200: Pn10 or Pn16 ,150lbs, JIS 10k
  • Transport Package: Plywood Packing
  • Origin: Shanghai China
Product Description
Large Orifice Air Valve

Brief Introduction
The air release component is designed to automatically release small pockets of air to the atmosphere as they accumulate along a pipeline or piping system when it is full and operating under pressure. The air & vacuum component is designed to automatically discharge or admit large volumes of air during the filling or draining of apipeline or piping system. This valve will open to relieve negative pressures whenever water column separation occurs.

Release large volumes of air from pipelines.
Light weight design.
Corrosion resistant construction.
Working Pressure: 1.0MPa/ 1.6Mpa
Sizes: DN150-300

Ductile Iron Automatic Large Orifice Air Valve
the connect be flanged




Flanged end deminsion: according as ISO7005.2 PN16/PN10






working pressure:1.0MPa/ 1.6Mpa
seal test: 1.1MPa /1.76Mpa
strength test: 1.5MPa / 2.4Mpa

















1 \ body/bonnet: cast iron/ ductile iron
2 \ floating ball: SS304
3 \ vent: steel, 59# brass
4 \ seal ring: EPDM
5 \ bolt/nut: A3
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