Butterfly Spring Type Safety Valve

• Customization: Available
• Pressure: Medium Pressure
• Structure: Spring
• Model NO.: A42Y
• Type: Spring Type
• Origion: Tianjin
• Materials: Carbon Steel, Stainless Steel, Forging
• Medium: Gas, Oil, Water, Air, 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

Product Description

Butterfly spring type safety valve applicated the equipment or pipiline with the temperature less than 300C,media are air,steam,water,hydrogen nitrogen mixture etc

Chief proprety and specification
Type	Nominal pressure PN(MPa)	Test pressure Ps(MPa)		Working pressure p(MPa)	Working temperature	Test temperature
		Seal	Strength
A62Y-P 54 100V	10	11	15	10	540
A62Y-P 31 112	11.2	12.4	16.8	11.2	318
A62Y-P 55 140V	14	15.4	21	14	555
A42Y-P 55 170V	17	18.7	25.5	17	555
A42Y-P 55 26V	2.6	2.9	3.9	2.6	555
A42Y-P 45 45	4.5	5	6.8	4.5	450
A42Y-P 33 26.5	2.7	3	4.1	2.7	330

 
 
 

Materials for main parts
Name of part	Body	Bonnet	Stem	Butterfly soring
A62Y-P54100	ZG15Cr1Mo1V	ZG25	38CrMoA1A	60Si2MnA
A62Y-P31112V	ZG25 I
A62Y-P55140V , A62Y-P55170V , A42Y-P5526V	ZG15Cr1Mo1V		20Cr1Mo1V1
A42Y-P4545 , A42Y-P3326.5	ZG25 I

 
 
 

Dimensions(mm)
Type	Diameter DN(mm)	Dimensions(mm)
		Do	D	D 1	D 2	D 3	D 6	b	Z-   d	H 1	H 2
A62Y-P 54 100V	70/80	70	-	-	88	150	-	-	-	1,575	347
A62Y-P 31 112	70/80	70	-	-	88	150	-	-	-	1,575	347
A62Y-P 55 140V	70/80	70	-	-	89	170	-	-	-	1,644	375
A42Y-P 55 170V	75/100	75	-	-	100	190	-	-	-	1,705	380
A42Y-P 55 26V	110/150	110	350	290	-	-	204	46	12-34	2,067	480
A42Y-P 45 45	110/150	110	350	290	-	-	204	46	12-34	2,070	480
A42Y-P 33 26.5	110/150	110	350	290	-	-	204	46	12-34	2,067	480