Special valves series for gas pipe network

The relief valve A42F - 40 - / - 16/25

Product Features

Suitable for gas or liquid ammonia tank or pipe road, when piping within the medium pressure rises to the setting value, the valve automatically opens, total emissions, protect the safe operation of the equipment.

Technical parameters

Nominal pressure Mpa	1.6	2.5	4.0
Shell test pressure Mpa	2.4	3.75	6.0
Seal test pressure Mpa	1.76	2.75	4.4
Setting pressure of Mpa	The user to identify
Suitable temperature	- 29ºC to + 80ºC
Applicable medium	Liquefied petroleum gas, liquid ammonia
Manufacturing standards	GB/T12243-2005

The major parts material

The valve body	The valve stem	The disc	The seat	spring	gasket
WCB	20Cr13	ZG20Cr13	ZG20Cr13	50CrVA	PTFE

Relief valve A42F nominal pressure PN2.5 MPa shape size and the connection size

DN	L	L1	D	D1	D2	d0	b	f	Z - phi d	DN’	D’	D1’	D2’	b’	f’	Z - phi d '	H
40	120	110	150	110	84	25	18	2	4 - phi 18	50	165	125	99	20	2	4 - phi 18	279
50	135	120	165	125	99	32	20	2	4 - phi 18	65	185	145	118	20	2	4 - phi 18	306
80	170	135	200	160	132	50	24	2	8 - phi 18	100	220	180	156	22	2	8 - phi 18	429
100	205	160	235	190	156	65	24	2	8-22	125	250	210	184	22	2	8-22	530
150	250	210	300	250	211	100	28	2	8 - phi 26	200	340	295	266	24	2	12 - phi 26	730
200	305	260	360	310	274	125	30	2	12 - phi 26	250	405	355	319	26	2	12 - phi 26	883

Special valves series for gas pipe network

The relief valve A42F - 40 - / - 16/25

Product Features

Technical parameters

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