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MODEL QB1

QB1 Single-Orifice Air Valve

Automatic release of trapped air from water pipelines and high points.

Nominal SizeDN15–DN100
Pressure RatingPN10 / PN16
Body MaterialDuctile Iron
ConnectionFlanged / Threaded
Working MediumWater
Temperature0°C – 80°C

Need a different material or pressure? Send us your project specification.

Product Overview

The QB1 single-orifice air valve is designed to release accumulated air during normal pipeline operation. Final sizing should be confirmed against pipeline diameter, pressure and air-flow requirements.

ComponentStandard MaterialOptional Material
Body / BonnetDuctile IronCast Steel
DiscDuctile Iron + EPDMStainless Steel
StemStainless SteelSS316
SealEPDMNBR

Typical Applications

WATER PIPELINESPIPELINE HIGH POINTSPUMP STATIONSUTILITY NETWORKS