(AY42H) Safety Overflow Valve, Relief Valves

• Customization: Available
• Certification: ISO
• Temperature: High Temperature
• Model NO.: AY42H-160
• Pressure: High Pressure
• Closed: Closed
• Structure: Lever
• Material: CS, SS304, 316L, Steel Lined with PP, PTFE
• Type: Spring Type
• Power: Automatic
• Materials: Carbon Steel, Stainless Steel, etc.
• Ay42h-160: Can Be Suitable for Water, Oil, etc
• Transport Package: Wooden Case
• Specification: CE, ROHS, SGS, GMP
• Trademark: Tianjin U-ideal Instrument
• Origin: Tianjin, China
• HS Code: 8481804090
• Production Capacity: 50000PCS/Year
• Package Size: 40.00cm * 40.00cm * 50.00cm
• Package Gross Weight: 20.000kg

Product Description

Product Description

How to choose the safety valve
The safety valve is an automatic discharging pressure unit for pressured equipment, containers or pipe roads. When the protected pressure rises over the permitted value, the valve will automatically start to discharge superfluity medium and prevent the system pressure keeping on rising. When the system pressure reduces to a regulated value, the valves will be able to automatically shut and make sure the system in general operation. How to choose the safety valve correctly will be concerned to the users economic benefit and the safe for operators and equipment. The following are the ways to be introduced for how to choose the safety valve.

AY42H, TA802Y type safety overflow valves are to be applied to pipelines in high-pressure pump stations to provide over pressure protection

Type	Nominal pressure (MPa)	Opening pressure	Working temperature	Suitable medium
AY42H-160 TA802Y-160	16.0	6.3~16.0	200	Water, Oil etc.
AY42H-250 TA802Y-250	25.0	10.0~25.0
AY42H-400 TA802Y-400 TA802Y-600	40.0-60.0	20.0~60.0

 
 

Explanation of materials for main parts
NO.	Name of part	Materials
1	Body	Carbon steel
2	Seat	Stainless steel
3	Disc	Stainless steel
4	Bonnet	Welding
5	Spring	50CrVA

 
 

Dimensions (mm)
Type	Nominal diameter DN(mm)	Dimensions
		D	D 1	K	M	Z- d	b	L	L 1	Rc	H
AY42H-160 AY42H-250 AY42H-400	15	135	95	25	M48      2	4-22	25	65	140	1"	329
	20	165	115	30	M52      2	6-26	28	80	150	1  1 / " 2	447
	25	200	145	38	M80      3	6-29	40	90	180	2"	485
	32	225	170	42	M100      3	6-33	50	100	200	2  1 / " 2	570

 

Dimensions (mm)
Type	Nominal diameter DN(mm)	Dimensions
		Rc	ZG	L	L 1	H
TA802Y-600	15	1/2"	1/2"	52	90	250
	25	1"	1"	52	113	275
	40	1 1/2"	1 1/2"	52	157	336

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