Take the handle all the rev. Type the relief valve spring

Technical Parameters

Product model: A48H/Y
Nominal diameter: DN20~250mm
Nominal pressure: PN1.6~10.0MPa
Working temperature: -29 o C~+540 o C
Structural form: spring fully open type
Drive mode: automatic spring takeoff, with wrench
Main material: cast steel, forged steel, stainless steel
Applicable media: air, petroleum gas, liquid, etc

Product Details

Product Overview
The fully open safety valve with a wrench spring is suitable for equipment and pipelines with steam, air, and other media with a temperature ≤ 350 ℃. It serves as an overpressure protection device. When the pressure inside the equipment and pipeline exceeds the allowable value, the valve automatically opens and then fully discharges; When the pressure drops to the specified value, the valve automatically closes to ensure the safe operation of the equipment and pipelines.

Main overall connection dimensions

DN（mm）	SIZE（mm）					WT（kg）
DN（mm）	do	L	L1	DN	H	WT（kg）
25	15	100	95	32	310	10.5
32	20	115	100	40	325	12.2
40	25	120	110	50	340	15.5
50	32	135	120	65	335	20
65	40	160	140	80	435	30
80	50	170	150	100	435	33.5
100	65	205	160	125	565	58.5
150	100	255	230	175	620	102
200	125	305	285	250	737	179
250	150	350	320	300	1006	370

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