Chinese wholesale China DN50-DN300 Pn16 Di Body Double Orifice Ss Ball Exhaust Air Valve

Short Description:

The compound exhaust valve body is barrel shaped, which is used for the place with closed air at the highest point of the pipeline to remove the gas in the pipe to dredge the pipeline, so as to achieve normal operation. If the exhaust valve is not installed, the liquid flowing in the pipe will generate dynamic heat, cause gas, and form a short circuit, so that the water discharge capacity in the pipe can not meet the design requirements. Secondly, in the operation of power failure, pump stop, the pipeline will appear negative pressure, which will cause pipe vibration or rupture, the exhaust valve will quickly draw air into the pipeline to prevent pipe vibration or rupture.

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Product Detail

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technical parameter

Nominal pressure	Nominal diameter	Applicable media	Applicable temperature	Flange standard	Test standard
PN1.0/1.6MPa	DN50-300mm	Water 、sewage	0-80℃	GB/T17241.6	GB/T13927
valve body	Valve cover	Floating ball	Lever frame	lever	Stopper
Ductile iron	Ductile iron	stainless steel	stainless steel	Aluminum bronze	Aluminum green steel

CARX Drawing of compound exhaust valve

Main connection dimensions

DN	D		D1		H	N—Φd
DN	PN10	PN16	PN10	PN16	H	PN10	PN16
50	165	165	125	125	280	4—Φ19	4—Φ19
80	200	200	160	160	365	8—Φ19	8—Φ19
100	220	220	180	180	395	8—Φ19	8—Φ19
150	285	285	240	240	485	8—Φ23	8—Φ23
200	340	640	295	295	570	8—Φ23	8—Φ23
250	395	405	350	355	655	12—Φ23	12—Φ23
300	445	460	400	410	750	12—Φ23	12—Φ23