Pilot Operated Safety Valve, PN16 ~ PN100

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Pilot Operated Safety Valve, PN16 ~ PN100

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Pilot Operated Safety Valve, PN16 ~ PN100

Applications

Pilot operated safety valve, newly-structured, is mainly applied to such trades as petroleum & natural gas, chemistry, electric, metallurgy & burning gas. It is the best super-pressure protecting equipment on press equipment, container, or pipeline. It is mainly characterized by shifting direct function of spring to indirect function of guide valve. What’s more, main valve, applying for sleeve piston & double sealed seat, is characterized by high precision of action, good recycling function, fast turning back to seat, ability to high-pressure leaking, long working time & security, together with readjustment on line, automatic turning back to seat after leaking again and again, tight closure, operating and maintaining convenience.

Pilot Operated Safety Valve

A46F/Y-16C/25/40/64/100

Materials for main parts

No.	Name of part	Ax46Y/F AF46Y/F Material	KAX46Y/F Material
1	Body	WCB	WCB
2	Disc	2Cr13/2Cr13+PTFE	1Cr18Ni9Ti/1Cr18Ni9Ti+PTFE
3	Guide	1Cr18Ni9Ti	1Cr18Ni9Ti
4	Spring	50CrVA	50CrVA
5	O type ring	Vinton	Vinton
6	Bonnet	25	25
7	Pilot valve	Part

Pilot operated safety valve

Dimensions (mm)

Type	DN	do	L	L1	L2	H	DN’	D	D1	D2	D6	b	z-￠d	D’	D1’	D2’	D6’	b’	Z’-￠d’
(K)Ax46F/Y-16 AF46Y-16	25	15	110	95	150	365	32	115	85	65		16	4-18	140	100	78		18	4-18
	32	20	115	100	150	375	40	140	100	78		18	4-18	150	110	85		18	4-18
	40	25	120	110	160	390	50	150	110	85		18	4-18	165	125	100		20	4-18
	50	32	135	120	160	410	65	165	125	100		20	4-18	185	145	120		20	4-18
	65	40	160	140	175	435	80	185	145	120		20	4-18	200	160	135		20	8-18
	80	50	170	135	175	451	100	200	160	135		20	8-18	220	180	155		22	8-18
	100	65	195	175	195	500	125	220	180	155		22	8-18	250	210	185		24	8-18
	125	80	210	190	220	526	150	250	210	185		22	8-18	285	240	210		24	8-23
	150	100	255	230	265	623	175	285	240	210		24	8-23	315	270	240		26	8-23
	200	125	300	260	300	690	250	340	295	265		26	12-23	405	355	320		30	12-26
(K)Ax46F/Y-25 AF46Y-25	25	15	110	95	150	365	32	115	85	65		16	4-14	140	100	78		18	4-18
	32	20	115	100	150	375	40	140	100	78		18	4-18	150	110	85		18	4-18
	40	25	120	110	160	390	50	150	110	85		18	4-18	165	125	100		20	4-18
	50	32	135	120	160	410	65	165	125	100		20	4-18	185	145	120		20	4-18
	65	40	160	140	175	435	80	185	145	120		22	8-18	200	160	135		20	8-18
	80	50	170	135	175	451	100	200	160	135		22	8-18	220	180	155		22	8-18
	100	65	195	175	195	500	125	230	190	160		24	8-23	250	210	185		22	8-18
	125	80	210	190	220	526	150	270	220	188		28	8-26	285	240	210		24	8-23
	150	100	255	230	265	623	175	300	250	218		30	8-26	310	270	240		26	8-23
	200	125	300	260	300	690	250	360	310	278		34	12-26	405	355	320		30	12-26
(K)Ax46F/Y-40 AF46Y-40	25	15	110	95	150	365	32	115	85	65	58	16	4-14	140	100	78		18	4-18
	32	20	115	100	150	375	40	140	100	78	66	18	4-18	150	110	85		18	4-18
	40	25	120	110	160	390	50	150	110	85	76	18	4-18	165	125	100		20	4-18
	50	32	135	120	160	410	65	165	125	100	88	20	4-18	185	145	120		20	4-18
	65	40	160	140	175	435	80	185	145	120	110	22	8-18	200	160	135		20	8-18
	80	50	170	135	175	451	100	200	160	135	121	22	8-18	220	180	155		22	8-18
	100	65	195	175	195	500	125	235	190	160	150	24	8-23	250	210	185		22	8-18
	125	80	210	190	220	526	150	270	220	188	176	28	8-26	285	240	210		24	8-23
	150	100	255	230	265	623	175	300	250	218	204	30	8-26	310	270	240		26	8-23
	200	125	300	260	300	690	250	375	320	282	260	38	12-30	405	355	320		30	12-26
(K)Ax46F/Y-64 AF46Y-64	25	15	110	100	160	365	32	140	100	78	58	22	4-18	140	100	78	66	18	4-18
	32	20	130	110	160	375	40	155	110	82	66	24	4-23	150	110	85	76	18	4-18
	40	25	130	120	170	445	50	170	125	95	76	24	4-23	165	125	100	88	20	4-18
	50	32	135	130	195	460	65	180	135	105	88	26	4-23	185	145	120	110	22	8-18
	65	40	175	160	225	495	80	205	160	130	110	28	8-23	200	160	135	121	22	8-18
	80	50	175	160	225	525	100	215	170	140	121	30	8-23	235	190	160	150	24	8-23
	100	65	195	195	245	565	125	250	200	165	150	32	8-26	270	220	188	176	28	8-25
	150	100	280	265	265	610	200	345	280	240	204	38	8-34	375	320	282	260	38	12-30
	200	125	300	295	300	680	250	405	345	300	260	44	12-34	450	385	345	313	42	12-34
(K)Ax46F/Y-100 AF46Y-100	25	15	110	100	160	365	32	140	100	78	58	24	4-18	140	100	78	66	18	4-18
	32	20	130	110	160	375	40	155	110	82	66	24	4-23	150	110	85	76	18	4-18
	40	25	130	120	170	445	50	170	125	95	76	26	4-23	165	125	100	88	20	4-18
	50	32	135	130	195	460	65	195	145	112	88	28	4-26	185	145	120	110	22	8-18
	65	40	175	160	225	495	80	220	170	138	110	32	8-26	200	160	135	121	22	8-18
	80	50	175	160	225	525	100	230	180	148	121	34	8-26	235	190	160	150	24	8-23
	100	65	195	195	2475	565	125	265	210	172	150	38	8-30	270	220	188	176	28	8-25
	150	100	280	265	265	610	200	355	290	250	204	46	12-34	375	320	282	260	38	12-30
	200	125	300	295	300	680	250	430	360	312	260	54	12-41	450	385	345	313	42	12-34

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