Stainless steel valve series

Safety valve A42Y-16/25/40P

Product Features

Features: suitable for gas or liquid ammonia storage tanks or piping, piping within the medium pressure rises to the setting value, the valve automatically open, release the pressure, to protect the safe operation of the equipment.

Technical parameters

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	200ºC or less
Applicable medium	Ammonia, ammonia, vinyl chloride, carbon dioxide, and so on
Inspection standard	GB/T9113-2000

Main components:

The valve body	The valve stem	The disc	The seat	spring	Disc holder
ZGO18CrNI9	20Cr13	20Cr13	ZGO18CrNI9	50CrVA	ZG20Cr13

Stainless steel relief valve A42Y 40 p - 16/25 / 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	11	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 - phi 18	530
150	250	210	300	250	211	100	28	2	8 - phi 26	200	340	295	266	24	2	12 and 22	730
200	305	260	350	310	274	125	30	2	12 - phi 26	250	405	355	319	28	2	12 - phi 26	883

Stainless steel relief valve A42Y - 16/25/40 p PN2.5, nominal pressure 4.0 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	11	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	22	2	8 - phi 18	306
80	170	135	200	160	132	50	24	2	8 - phi 18	100	235	190	156	24	2	8-22	429
100	205	160	235	190	156	65	24	2	8-22	125	270	220	184	26	2	8 - phi 26	530
150	250	210	300	250	211	100	28	2	8 - phi 26	200	360	310	274	30	2	12 - phi 26	730
200	305	260	375	330	284	125	34	2	12-30	250	425	370	330	32	2	12-30	883

Stainless steel valve series

Safety valve A42Y-16/25/40P

Product Features

Technical parameters

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