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Home > Products > Relief valve > Spring full open relief valveWA42Y type PN16~PN40 spring open safety valve

Description Material Performance Product Size Specifications

WA42Y type bellows spring full open safety valve is suitable for use as a safety protection device on container equipment or piping systems with variable back pressure and toxic or flammable materials. Wa42y-c type bellows spring full open safety valve is suitable for air, LPG, non-corrosive gas with operating temperature ≤300℃, wa42y-p type bellows spring full open safety valve is suitable for nitric acid with operating temperature ≤200℃ and other media with stable quality.
Scope of use: the product can be used in petroleum, chemical, electric power and other industries.
Products conform to the standard: GB/T 12243, GB/T 12242, GB/T 12241.

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Main performance parameters

model	Nominal pressure PN	Applicable temperature /°C	Applicable medium
WA42Y-16C~40	16~40	≤300	LPG, air
WA42Y-16P~40P	16~40	≤200	Weakly corrosive gas
WA42Y-16R~40R	16~40	≤200	Corrosive gas

Main overall dimensions

（unit：mm）

model	size	Nominal size
model	size	20*25	25*32	32*40	40*50	50*65	80*100	100*-125
WA42Y-16C~40 WA42Y-16P~40P WA42Y-16R~40R	L	105	105	115	120	135	170	205
	L₁	90	90	100	110	120	135	160
	H	270	290	315	325	420	450	690

model	size	Nominal size
model	size	150*175	200*250	250*300	300*400	350*500	400*500
WA42Y-16C~40 WA42Y-16P~40P WA42Y-16R~40R	L	250	305	320	335	400	535
	L₁	210	260	300	360	415	430
	H	800	1160	1265	1400	1500	1740

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