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WESDUN/WESDOM Ductile Iron Double-Orifice Air Release Valve
Ductile iron double orifice air release valve flanged automatic air vent valve for water pipeline
Ductile iron double-orifice air release valve
WESDUN/WESDOM Ductile Iron Air Release Valve
DN50 PN25 double orifice air release valve, ductile iron flanged air valve
WESDUN/WESDOM Ductile Iron Double-Orifice Air Release Valve
Ductile iron double orifice air release valve flanged automatic air vent valve for water pipeline
Ductile iron double-orifice air release valve
WESDUN/WESDOM Ductile Iron Air Release Valve
DN50 PN25 double orifice air release valve, ductile iron flanged air valve
WESDUN/WESDOM Ductile Iron Double-Orifice Air Release Valve
Ductile iron double orifice air release valve flanged automatic air vent valve for water pipeline
Ductile iron double-orifice air release valve
WESDUN/WESDOM Ductile Iron Air Release Valve
DN50 PN25 double orifice air release valve, ductile iron flanged air valve

Double Orifice Air Release Valve

Size:
DN40-DN300
Pressure:
PN16、PN18、PN25
Media:
water、neutral oil
Material:
Ductile iron, stainless steel
End Connection:
Flange
Design Standards:
EN 1074-4 ; EN1092-2 ; EN12266-1
Application:
Water,Oil
Customization is always available
Free design drawings, installation instructions and prices, please feel free to contact us to get them
Introduction
Features
Drawing Introduction
Download
Introduction

WESDUN Double Orifice Air Release Valve is the ultimate all-in-one solution for industries spanning water supply, irrigation, fire protection and industrial circulating water.

This valve is designed to streamline pipeline protection, it integrates bulk air exhaust during filling, continuous micro air venting under pressure, and vacuum breaking upon pipeline draining into a single, robust unit — eliminating the risk of airlock, water hammer and pipe collapse, reducing pipeline maintenance complexity.

It is produced with high-grade materials (ductile iron body, fusion bonded epoxy coating, SS304/SS316 trim), it withstands working pressure up to PN16 and moderate corrosive environments, ensuring long-term reliability in diverse global settings.

Whether you’re managing long-distance water transmission pipelines, operating farm irrigation networks, regulating fire water lines, or optimizing industrial water systems, this valve adapts seamlessly.

Ductile iron double orifice air release valve flanged automatic air vent valve for water pipeline
Features
  1. Releases bulk air, micro bubbles and breaks vacuum — one valve, multiple roles.
  2. Reliable protection: Prevents airlock & water hammer, safeguards pipeline integrity.
  3. Wide compatibility: Handles clean water, drinking water and neutral oil effortlessly.
  4. Durable build: Ductile iron body with FBE coating, anti-corrosion, long lifespan.
  5. Easy integration: EN standard flange, fits standard pipelines, quick to install.
  6. Low maintenance: Simple float structure, reduces downtime.
  7. Cost-saving: Eliminates pipe damage risks, cuts operational & repair costs.
WESDUN/WESDOM Ductile Iron Double-Orifice Air Release Valve
Drawing Introduction

Double Orifice Air Release Valve – Dimension & Weight Table by Size

Double Orifice Air Release Valve, detailed internal structure drawing

Double Orifice Air Release Valve, component materials

Application

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