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Single Orifice Air Release Valve

Single orifice valve is mounted on the top point or the place where the air is closed in the pipeline, to remove the air in the pipe, making sure the pipe work normally. If not equipped with air valve, the flow of liquid in the pipe will produce dynamic heat caused by gas. Form short circuit, so that the pipe outlet is easy to meet the requirements. Secondly, when the pipeline is running, there will be a power failure, stop the pump pipe will appear negative pressure, and will cause the pipeline vibration or rupture, (exhaust) suction valve will quickly breathe the air into the pipe meat, to prevent pipeline vibration or rupture.

1. Standard

Design & manufacturing

EN1074-4

Flange ends

EN1092-2, BS4504

Inspection & testing

EN12266

2. Technical Specification

Size

DN50-200

Working Pressure

PN10/16

Applicable medium

water, sewage, etc.

Applicable temperature

0℃~80℃

3.Main parts material

Part Name

Material

Body

Ductile Iron

Bonnet

Ductile Iron

Cap

Ductile Iron

Sealing Ball

SS304

Fasteners

Carbon steel/Stainless steel

Gasket

NBR/EPDM

4. Features

  • Discharge air more flexible
  • Preventing of the water hammer
  • Discharge the air slowly
  • Safer self-protection
  • Small volume, light weight, small exhaust flow
  • Long service life

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