Liquefied Gas Back Flow Safety Valve-Safety Valve

• Temperature: High Temperature
• Connection: Flange
• Pressure: Adjustable
• Closed: Closed
• Structure: Spring
• Material: Cast Iron
• Model NO.: A42Y-160
• Type: Spring Type
• Dn: 15-50
• Working Temperature: <200
• Transport Package: Wooden Case or Carton
• Specification: SGS
• Trademark: U-ideal
• Origin: Tianjin, China
• Production Capacity: 3000

Product Description

A42Y-160/320 type are usedfor the equipment and pipeline of the air, N2, H2 mixed gas, etc. Medium what the working tem-perature are less than 200Celsius degree. A42Y-160P/320P, A42Y- 160R/320R type are used for the eq-uipment and pipeline of the quality with corrode medium what the working temperature are less hom 200Celsius degree. Take for extra pre-ssure protection devices. Flange connecting dimen-sions of comply with Standardof JB/T2769-92

NO.	Name of part	A42Y-160 A42Y-320     Materials	A42Y-160P    A42Y-320P      Materials	A42Y-160R    A42Y-320R Materials
1	Flange	35/35CrMoA	2Cr13	1Cr18Ni12Mo2Ti
2	Nozzle	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
3	Body	40	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
4	Adjusting ring	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
5	Disc	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
6	Disc holder	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
7	Guide sleeve	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
8	Bonnet	ZG230-450	ZG230-450	ZG230-450
9	Stem	2Cr13	1Cr18Ni9Ti	1Cr18Ni9Ti
10	Spring	50CrVA	50CrVA   Coated Teflon	50CrVA   Coated Teflon
11	Adjusting bolt	45	2Cr13	2Cr13
12	Cap	ZG200-400	ZG200-400	ZG200-400

 

Sealing surface of material

Co  Co Depositing stellite

 

Type	(DN)	do	d	M	K	D	Z- d	b	d 1	M 1	k 1	D 1	Z 1 -   d 1	b 1	L	L 1	H
A42Y-160	15	8	20	M24      2	60	95	3-18	20	29	M42      2	80	115	4-18	22	95	100	220
	20	8	27	M33      2	68	105	3-18	20	29	M42      2	80	115	4-18	22	95	100	220
	25	14	28	M33      2	68	105	3-18	20	50	M64      3	115	165	6-26	32	150	150	280
	32	15	37	M42      2	80	115	4-18	22	50	M64      3	115	165	6-26	32	150	150	390
	40	20	47	M52      2	115	165	6-26	28	65	M80      3	145	200	6-29	40	180	180	495
	50	25	59	M64      3	115	165	6-26	32	80	M100     3	170	225	6-33	50	165	165	400
A42Y-320	15	8	27	M33      2	68	105	3-18	20	29	M42      2	80	115	4-18	22	95	100	220
	20	8	30	M33      2	75	110	3-18	22	29	M42      2	80	115	4-18	22	95	100	220
	25	14	35	M42      2	80	115	4-18	22	50	M64      3	115	165	6-26	32	150	150	280
	32	15	41	M48      2	95	135	4-22	25	50	M64      3	115	165	6-26	32	150	150	390
	40	20	58	M64      3	115	165	6-26	32	65	M80      3	145	200	6-29	40	180	180	495
	50	25	70	M80      3	145	200	6-29	40	80	M100     3	170	225	6-33	50	165	165	400
A42Y-400	32	15	41	M48      2	95	135	4-22	25	50	M64      3	115	165	6-26	32	150	150	397