Threaded End Single Ball Air Vent

This air vent, featuring a single ball, small volume, light weight, and small exhaust flow, is installed at the highest point of the sewage pipeline or where air is trapped to release sewage pipe gas, ensuring smooth pipeline operation. In case of power failure, pump stoppage, or accidental breaks, negative pressure may form inside the pipeline. The exhaust valve and air suction valve then quickly draw in air, safeguarding the pipeline from damage.

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Features:

Connection type: threaded, BSPT, NPT, ZG

Ball type: single ball

Size: DN20 to DN50

Pressure: PN10, PN16

Material:

Part Name Material
Body Ductile Iron GGG50, EN-GJS-500-15
Cap Ductile Iron GGG50, EN-GJS-500-15
Ball SS201/SS304
Seal Ring NBR

Dimensions:

DN ZG φ(mm) H(mm)
20 3/4″ 135 205
25 1″ 135 205
40 1-1/2″ 150 205
50 2″ 150 205