Closed Spring Loaded Full Bore Type-High Pressure Safety Valve

Model
A42Y

Closed spring loaded full bore type-high pressure safety valve applications

A42Y-160/320 types are used for the equipment and pipeline of the air, N2, H2 mixed gas, etc. Medium what the working tem-premature are less than 200℃. A42Y-160P/320P, A42Y-160R/320R type are used for the equip-meant and pipeline of the quality with corrode medium what the working temperature are less than 200℃. Take for extra pressure protection devices. Flange connecting dimensions of comply with Standard of JB/T2769-92.

Closed spring loaded full bore type-high pressure safety valve brief figure of structure

Materials for main partsTop of page

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	Coated Teflon	Coated Teflon
11	Adjusting bolt	45	2Cr13	2Cr13
12	Cap	ZG200-400	ZG200-400	ZG200-400
	Sealing surface of material	Depositing satellite

Closed spring loaded full bore type-high pressure safety valve dimensions (mm)Top of page

Type	DN	do	d	M	K	D	Z-∮d	b	d1	M1	K1	D1	Z-∮d	b1	L	L1	≈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

Closed spring loaded full bore type-high pressure safety valve ralated productsTop of page

• Spring Loaded Low Lift Type Safety Valve
• Closed Spring Loaded Low Lift Type-High Pressure Safety Valve
• Closed Spring Loaded Full Bore Type-High Pressure Safety Valve
• Corrugated-Duct Full-Open Type Safety Valve
• Spring Full-Open Type Safety Valve Sixth A Radiator
• Air Compressor Safety Valve
• Safety Overflow Valve
• Vacuum Negative-Pressure Safety Valve
• High Temperature And High-Pressure Safety Valve
• Special Full-Lift Safety Valve For Gas
• Safety Back-Flow Valve
• Twin spring type safety valve
• Inner Assemble Safety Valve
• Impulse Safety Valve
• Single-Lever Safety Valve
• Dual-Lever Safety Valve
• Middle Temperature And Pressure Impulse Safety Device
• Pilot Operated Safety Valve
• Micro-Open Type Safety Valve
• Spring Micro-Open Type Safety Valve
• A41C Type Pound-Grade Low Lift Spring Loaded Safety Valve
• WA41C blanced bellows spring loaded safety valve
• A42C Type Pound-Grade Low Lift Spring Loaded Safety Valve
• WA42C blanced bellows spring loaded safety valve
• A44C Type Pound-Grade Full Lift Spring Loaded Safety Valve
• WA44C blanced bellows spring loaded safety valve
• A48C Type Pound-Grade Full Lift Spring Loaded Safety Valve
• A48SC Type Pound-Grade Full Lift Spring Loaded Safety Valve
• TA、A Type Special Safety Valve Series For Oil Refining
• J Series Safety Valve With Jacket
• M、R、F Series Safety Valve Screwed/Flanged
• A46C Type Pilot-Operated Pressure Relief Valve

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