Bellows sealed spring fully open safety valve WA42Y

Suitable as an overpressure protection device on equipment or pipelines with unstable back pressure or toxic or corrosive media at working temperatures ≤ 200 ℃. Widely used in industries such as petroleum, chemical, and power plants.

Product drawing

Product drawing.png

Product dimensions

model	DN	do	D	K	g	g1	b	f	f1	Z-ød	L	L1	≈H
WA42Y-25 C/P/R	25	16	115	85		65	16	2		4-14	110	95	378
	32	20	140	100		78	18	2		4-18	115	100	378
	40	25	150	110		85	18	3		4-18	120	110	406
	50	32	165	125		100	20	3		4-18	135	120	450
	65	40	185	145		120	22	3		8-18	160	140	520
	80	50	200	160		135	22	3		8-18	170	135	525
	100	65	230	190		160	24	3		8-23	195	175	690
	125	80	270	220		188	28	3		8-26	210	190	780
	150	100	300	250		218	30	3		8-26	255	230	838
	200	125	360	310		278	34	3		12-26	300	260	992
WA42Y-40C/P/R	25	16	115	85	58	65	16	2	4	4-14	110	95	378
	32	20	140	100	66	78	18	2	4	4-18	115	100	378
	40	25	150	110	76	85	18	3	4	4-18	120	110	406
	50	32	165	125	88	100	20	3	4	4-18	135	120	450
	65	40	185	145	110	120	22	3	4	8-18	160	140	520
	80	60	200	160	121	135	24	3	4	8-18	170	135	525
	100	65	235	190	150	160	24	3	4.5	8-23	195	175	690
	125	80	270	220	188	176	28	3	4.5	8-26	210	190	857
	150	100	300	250	204	218	30	3	4.5	8-26	255	230	838
	200	125	375	320	260	282	38	3	4.5	12-30	300	260	992
WA42Y-64C/P/R	25	16	140	100	58	78	22	2	4	4-18	110	100	277
	32	20	155	110	66	82	24	2	4	4-23	130	110	289
	40	25	170	125	76	95	24	3	4	4-23	130	120	319
	50	32	180	135	88	105	26	3	4	4-23	135	130	389
	65	40	205	160	110	130	28	3	4	8-23	175	160	493
	80	50	215	170	121	140	30	3	4	8-23	175	160	483
	100	65	250	200	150	168	32	3	4.5	8-26	195	195	613
	150	100	345	280	204	240	38	3	4.5	8-34	280	265	894
WA42Y-100C/P/R	25	16	140	100	58	78	24	3	4	4-18	110	100	277
	32	20	155	110	66	82	24	2	4	4-23	130	110	289
	40	25	170	125	76	95	26	2	4	4-23	130	120	319
	50	32	195	145	88	112	28	3	4	4-26	135	130	389
	65	32	220	170	110	138	32	3	4	8-26	175	160	493
	80	40	230	180	121	148	34	3	4	8-26	175	160	483
	100	50	265	210	150	172	38	3	4.5	8-30	195	195	613
	150	80	355	290	204	250	46	3	4.5	12-34	280	265	894

Technical Documentation

1.execution standard：GB/T 12243-2021

2.Structural length standard：GB/T12221-2005

3.Flange Standard：GB/T9113.1-2000

4.Test Standard：GB/T13927-2022

Product Parts List

serial number	name	WA42Y-C	WA42Y-P	WA42Y-R
1	valve body	WCB	CF8	CF8M
2	valve seat	20Cr13	304	316
3	Adjustment Circle	20Cr13	304	316
4	valve disc	20Cr13	304	316
5	Recoil plate	20Cr13	304	316
6	bellows	304	304	316
7	guide bushing	20Cr13	304	316
8	valve cover	25#	25#	25#
9	spring	50CrVA	50CrVACovering fluoroplastic	50CrVACovering fluoroplastic

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Tel：+86-577-86831909
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E-mail：sales-2@wbvalve.com
Contact person:Lillian Lee

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