automatic air valve

Specifications 1.Size:DN15 to DN25.

2.Working pressure:10Bar/16Bar.

3.Flange:BS/ANSI

4.Cast iron&ductile iron material.

5.ISO9001/CE.

Who we are? We are Tianjin Galaxy Valve Co., Ltd, Mainly products for fire products, water works and HVAC. You can visit our website .   Our product features are as follows: 1.Newly developed facilities ensure high and stable quality. 2.Enable to supply UL/FM valves. 3.Experienced technology 4.Excellent after-sale service to satisfy customers. 5.Sufficient capacity ensures prompt delivery. 6.Continuous quality improvement and new designs development. 7.Reasonable and stable price 8.Meets different countries standards,such as ANSI,DIN,BS etc.   Norminal diameter 1/2"-1"/DN15–DN25 Working pressure: 10Bar/16Bar Flange accommodation: BS21 ANSI B1.20.1 Tightness check: API 598 ISO 5208 EN12226-2   Material Specification

Part	Material	ASTM Specs
Body	Cast iron	A126 Class B
	Ductile iron	A536 65-45-12
Cover	Cast iron	A126 Class B
	Ductile iron	A536 65-45-12
Lever	Stainless steel 304	S30400
Seat ring	Stainless steel 304	S30400
Float	Stainless steel 304	S30400
Float arm	Stainless steel 304	S30400
Orifice button	Viton	Commercial

  Dimensions of air vent

mm	inch	inlet	outlet	orifice	D	H
15	1/2	15	15	1.6	125	137
20	3/4	20	15	1.6	125	137
25	1	25	15	1.6	125	137