Air relief valve 9842K
vacuumfor pipelinescast iron

Air relief valve - 9842K - Hawle - vacuum / for pipelines / cast iron
Air relief valve - 9842K - Hawle - vacuum / for pipelines / cast iron
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Characteristics

Fluid
air
Applications
vacuum, for pipelines
Body material
cast iron
Other characteristics
compact, threaded, flange
Controlled pressure

10 bar, 16 bar, 25 bar, 40 bar
(145 psi, 232.1 psi, 362.6 psi, 580.2 psi)

DN

Max.: 300 mm
(11.811 in)

Min.: 50 mm
(1.969 in)

Weight

Max.: 98 kg
(216.05 lb)

Min.: 16.6 kg
(36.6 lb)

Description

Air release outlet in NOMINAL SIZE (large opening cross-section according to the flange size). Flange according to EN 1092 (DN 50 also available with 2" threaded connection). Efficient vacuum protection through high ventilation performance. Optimal ventilation without early closure owing to very high air outlet speeds when filling the pipes or reservoir. Effective protection against water hammers with high air release speeds thanks to the 2-stage ventilation system. Consistently reliable ventilation of air pockets under working pressure. Compact structure, low volume, and low weight. Robust and reliable technology. The body is made of cast iron and coated with high-quality epoxy powder.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.