Liquefied Petroleum Gas, Back-flow Safety Valve

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zhu.yuqing@zgkkv.com

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Details

Our products now cover a wide range of standardized fluid control products that can be adapted to a variety of drive modes, comprising ball valves, butterfly valves, gate valves, globe valves, check valves, safety valves, rotary ball valves, plunger valves etc. Our products are widely used in water conservancy, municipal, electric power, gas, petrochemical, coal chemical, energy, environmental protection, medicine, real estate, metallurgy, mining and many other fields.

AH42F, A42F type are applicable in iqued phase outet pipes with operation temperature range of -40-80, when the iniet and oulet diferential presure is larger than 0.5MPa, the liquefied gas will return to the gas rank automatically.

Materials For Main Parts

NO.	Name of part	AH42F-CA42F-C Materials
1	Seat	20Cr13
2	Body	WCB
3	Adjusting ring	20Cr13
4	Disc holder	20Cr13
5	Disc	20Cr13+PTFE
6	Guide sleeve	20Cr13
7	Bonnet	ZG230-450
8	Spring	50CrVA
9	Stem	20Cr13
10	Adjusting bolt	45
11	Cap	ZG200-400

Dimensions (mm)

Type	DN	do	D	K	B	g1	b	f	f1	Zφd	DN	D1	k1	B²	b1	f	Z1-φd1	L	L1	≈
AH42F-16C A42F-16C	20	15	105	75		55	16	2		4-14	25	115	85	65	16	2	4-14	110	95	37
	25	16	115	85		65	16	2		4-14	32	140	100	78	18	2	4-18	110	95	37
	32	20	140	100		78	18	2		4-18	40	150	110	85	18	3	4-18	115	100	37
	40	25	150	110		85	18	3		4-18	50	165	125	100	20	3	4-18	120	110	40
	50	32	165	125		100	20	3		4-18	65	185	145	120	20	3	4-18	135	120	45
	65	40	185	145		120	20	3		4-18	80	200	160	135	20	3	8-18	160	140	52
	80	50	200	160		135	20	3		8-18	100	220	180	155	22	3	8-18	170	135	52
	100	65	220	180		155	22	3		8-18	125	250	210	185	22	3	8-18	195	175	69
	125	80	250	210		185	22	3		8-18	150	285	240	210	24	3	8-23	210	190	78
	150	100	285	240		210	24	3		8-23	175	310	270	240	26	3	8-23	255	230	83
	200	125	340	295		265	26	3		12-23	250	405	355	320	30	3	12-26	300	260	99
	250	150	405	355		320	30	3		12-26	300	460	410	375	30	4	12-26	350	320	12
	300	220	460	410		375	30	4		12-26	400	580	525	485	36	4	16-30	370	350	12
	350	250	520	470		435	34	4		16-26	500	715	650	608	44	4	20-34	500	450	15
	400	280	580	525		485	36	4		16-30	500	715	650	608	44	4	20-34	500	450	15
AH42F-25 A42F-25	20	15	105	75		55	16	2		4-14	25	115	85	65	16	2	4-14	110	95	37
	25	16	115	85		65	16	2		4-14	32	140	100	78	18	2	4-18	110	95	37
	32	20	140	100		78	18	2		4-18	40	150	110	85	18	3	4-18	115	100	37
	40	25	150	110		85	18	3		4-18	50	165	125	100	20	3	4-18	120	110	40
	50	32	165	125		100	20	3		4-18	65	185	145	120	20	3	4-18	135	120	45
	65	40	185	145		120	22	3		8-18	80	200	160	135	20	3	8-18	160	140	52
	80	50	200	160		135	22	3		8-18	100	220	180	155	22	3	8-18	170	135	52
	100	65	230	190		160	24	3		8-23	125	250	210	185	22	3	8-18	195	175	69
	125	80	270	220		188	28	3		8-26	150	285	240	210	24	3	8-23	210	190	78
	150	100	300	250		218	30	3		8-26	175	310	270	240	26	3	8-23	255	230	83
	200	125	360	310		278	34	3		12-26	250	405	355	320	30	3	12-26	300	260	99
	250	150	425	370		332	36	3		12-30	300	460	410	375	30	4	12-26	350	320	12
	300	220	485	430		390	40	4		16-30	400	580	525	485	36	4	16-30	370	350	12
	20	15	105	25	51	55	16	2	4	4-14	25	115	85	65	16	2	4-14	110	95	37
	25	16	115	85	58	65	16	2	4	4-14	32	140	100	78	18	2	4-18	110	95	37
	32	20	140	100	66	78	18	2	4	4-18	40	150	110	85	18	3	4-18	115	100	37
	40	25	150	110	76	85	18	3	4	4-18	50	165	125	100	20	3	4-18	120	110	40
	50	32	165	125	88	100	20	3	4	4-18	65	185	145	120	20	3	4-18	135	120	45
AH42F-40 A42F-40	65	40	185	145	110	120	22	3	4	8-18	80	200	160	135	20	3	8-18	160	140	52
	80	50	200	160	121	135	22	3	4	8-18	100	220	180	155	22	3	8-18	170	135	52
	100	65	235	190	150	160	24	3	4.5	8-23	125	250	210	185	22	3	8-18	195	175	69
	125	80	270	220	176	188	28	3	4.5	8-26	150	285	240	210	24	3	8-23	210	190	78
	150	100	300	250	204	218	30	3	4.5	8-26	175	310	270	240	26	3	8-23	255	230	83
	200	125	375	320	260	282	38	3	4.5	12-30	250	405	355	320	30	3	12-26	300	260	992
	250	150	450	385	313	345	42	3	4.5	12-34	300	460	410	375	30	4	12-26	350	320	1266