Sinopec Shanghai Valve Manufzcturing Co.,LTD.

Description Material Performance Product Size Specifications

Spring type safety valve according to the structure of the form of points, to be divided into vertical hammer type, lever type, spring type and pilot type (pulse type), according to the structure of the valve body, can be divided into two types of closed and not closed. Closed type relief valve that is excluded from the media, all along the export discharge to the designated location, generally used in toxic and corrosive media. For air and steam safety valve, more use of non closed type safety valve. For the selection of safety valve products, should be determined according to the actual sealing pressure. For the spring type safety valve, in a nominal pressure (PN) range, with a few working pressure level of the spring. Order in addition to indicate the safety valve model, name, medium and temperature, it should be noted that the valve body seal pressure, otherwise the maximum seal pressure supply.

NO.	Part name	C Type material	I Type material	V Type material
1	valve body	WCB	ZG1Cr5Mo	ZG15Cr1Mo1V
2	valve seat	2Cr13	1Cr18Ni9Ti	12Cr1MoVA
3	Adjusting ring	2Cr13	1Cr18Ni9Ti	1Cr18Ni9Ti
4	Valve	2Cr13	17-4PH	17-7PH
5	Guide sleeve	2Cr13	1Cr18Ni9Ti	1Cr18Ni9Ti
6	radiator	ZG230-450	ZG230-450	ZG230-450
7	Valve cover	ZG230-450	ZG230-450	ZG230-450
8	Spring	50CrVA	50CrVA	50CrVA

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Model	nominal Path	do	D	K	g	g1	b	f	f1	Z-ød	DN''	D1	K1	g3	g2	b1	f''	f1''	z1-ød1	L	L1	≈H
YFA48Y-16C YFA48Y-16I YFA48Y-16V	40	25	150	110	-	85	18	3	-	4-18	50	165	125	-	100	20	3	-	4-18	120	115	540
	50	32	165	125	-	100	20	3	-	4-18	65	185	145	-	120	20	3	-	4-18	135	120	618
	65	40	185	145	-	120	20	3	-	4-18	80	200	160	-	135	20	3	-	8-18	160	140	710
	80	50	200	160	-	135	20	3	-	8-18	100	220	180	-	155	22	3	-	8-18	160	150	730
	100	65	220	180	-	155	20	3	-	8-18	150	285	240	-	210	24	3	-	8-23	225	175	892
	150	100	285	240	-	210	24	3	-	8-23	200	340	295	-	265	26	3	-	12-23	240	235	1135
	200	125	340	295	-	265	26	3	-	12-23	250	405	355	-	320	30	3	-	12-26	290	210	1135
YFA48Y-40 YFA48Y-40I YFA48Y-40V	25	16	115	85	58	65	16	2	4	4-14	32	140	100	-	78	18	2	-	4-18	110	95	429
	32	20	140	100	66	78	18	2	4	4-18	40	150	110	-	85	18	3	-	4-18	115	100	421
	40	25	150	110	76	85	18	3	4	4-18	50	165	125	-	100	20	3	-	4-18	120	115	540
	50	32	165	125	88	100	20	3	4	4-18	65	185	145	-	120	20	3	-	4-18	135	120	618
	65	40	185	145	110	120	22	3	4	8-18	80	200	160	-	135	20	3	-	8-18	160	140	710
	80	50	200	160	121	135	22	3	4	8-18	100	220	180	-	155	22	3	-	8-18	160	150	730
	100	65	235	190	150	160	24	3	4.5	8-23	150	285	240	-	210	24	3	-	8-23	225	175	892
	150	100	300	250	204	218	30	3	4.5	8-26	200	340	295	-	265	26	3	-	12-23	240	235	1135
	200	125	375	320	260	282	38	3	4.5	12-30	250	405	355	-	320	30	3	-	12-26	290	310	1135
YFA48Y-64 YFA48SB-64 YFA48Y-64I YFA48SB-64I YFA48Y-64V YFA48SB-64V	25	16	140	100	58	78	22	2	4	4-18	32	140	100	66	78	18	2	4	4-18	110	100	429
	32	20	155	110	66	82	24	2	4	4-23	40	150	110	76	85	18	3	4	4-18	130	110	421
	40	25	170	125	76	95	24	3	4	4-23	50	165	125	88	100	20	3	4	4-18	135	120	540
	50	32	180	135	88	105	26	3	4	4-23	65	185	145	110	120	22	3	4	8-18	160	130	618
	50	32	180	135	88	105	26	3	4	4-23	80	200	160	121	135	22	3	4	8-18	160	145	710
	65	40	205	160	110	130	28	3	4	8-23	80	200	160	121	135	22	3	4	8-18	175	160	710
	80	50	215	170	121	140	30	3	4	8-23	100	235	190	150	160	24	3	4.5	8-23	175	160	730
	100	65	250	200	150	168	32	3	4.5	8-26	125	270	220	176	188	28	3	4.5	8-25	220	200	800
	100	65	250	200	150	168	32	3	4.5	8-26	150	300	250	204	218	30	3	4.5	8-26	220	200	892
	150	100	345	280	204	240	38	3	4.5	8-34	200	375	320	260	282	38	3	4.5	12-30	280	280	1135
	200	125	405	345	260	300	44	3	4.5	12-36	250	450	385	313	345	42	3	4.5	12-34	300	295	1135
YFA48Y-100 YFA48SB-100 YFA48Y-100I YFA48SH-100I YFA48Y-100V YFA48SB-100V	25	16	140	100	58	78	24	2	4	4-18	32	140	100	66	78	18	2	4	4-18	110	100	429
	32	20	155	110	66	82	24	2	4	4-23	40	150	110	76	85	18	3	4	4-18	130	110	421
	40	25	170	125	76	95	26	3	4	4-23	50	165	125	88	100	20	3	4	4-18	135	120	540
	50	32	195	145	88	112	28	3	4	4-26	65	185	145	110	120	22	3	4	8-18	160	130	618
	50	32	195	145	88	112	28	3	4	4-26	80	200	160	121	135	22	3	4	8-18	160	145	710
	65	32	220	170	110	138	32	3	4	8-26	80	200	160	121	135	22	3	4	8-18	175	160	710
	80	40	230	180	121	148	34	3	4	8-26	100	235	190	150	160	24	3	4.5	8-23	175	160	730
	100	50	265	210	150	172	38	3	4.5	8-30	125	270	220	176	188	28	3	4.5	8-25	220	200	800
	100	50	265	210	150	172	38	3	4.5	8-30	150	300	250	204	218	30	3	4.5	8-26	220	200	892
	150	80	355	290	204	250	46	3	4.5	12-34	200	375	320	260	282	38	3	4.5	12-30	280	280	1135
	200	125	430	360	260	312	54	3	4.5	12-36	250	450	385	313	345	42	3	4.5	12-34	300	295	1135
YFA48SH-40	50	32	160	125	88	105	38	3	4	4-18	80	195	160	/	135	20	3	/	8-18	124	137	525
YA48TH-100	50	32	195	145	88	112	50	3	4	4-26	80	200	160	121	135	22	3	4.5	8-18	160	145	580
YFA48SB-160	80	40	260	205	121	168	65	15	4	8-30	150	300	250	204	218	30	3	4.5	8-25	215	210	1175

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