A21 Spring loaded low lift external thread type safety valve A 21 manufacturer from China Zhejiang Goole Valve Co.,Ltd

A21 Spring loaded low lift external thread type safety valve

Payment Terms:	T/T,L/C,WU,Money Gram
Place of Origin:	Zhejiang, China (Mainland)


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Product Detail

Model No.: A 21

Production Capacity: 1000

Delivery Date: 2 weeks

Standard or Nonstandard: Standard

Brand Name: GOOLE

Means of Transport: Ocean,Land,Air

Packing: plywood case

Power: Manual

Structure: Safety

A21F\A21H-C type are used for the equipment and pipeline of the air, ammonia, petroleum gas, etc. medium what the working temperature less than 200 C

A21F\A21H-C type are used for the equipment and pipeline of the air, ammonia, petroleum gas, etc. medium what the working temperature are less than 200℃.

A21W-P,R type are used for the equipment and pipeline of the quality with corrode gas and liquid medium what the working temperature are less than 200℃ .Take for extrapressure protection devices.

KA21Y type are used for liquefied petroleum gas what the working temperature are less than 100℃.

A21H/W/Y Type Spring Loaded Low Lift Safety Valve Main Parts Material

NO.	Parts Name	A21H-C/A21F Material	A21W-P/A21F-P Material	A21Y-R Material
1	Nipple	20	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
2	Nipple Nut	35	2Cr13	1Cr18Ni9Ti
3	Seat	35	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
4	Body	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
5	Disc	2Cr13/2Cr13+PTFE	1Cr18Ni9Ti/1Cr18Ni9Ti+PTFE	1Cr18Ni12Mo2Ti
6	Spring Washer	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
7	Spring	50CrVA	50CrVA	50CrVA
8	Locking Nut	Q235-A	ZG230-450	1Cr18Ni9Ti
9	Guide	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti
10	Adjusting Bolt	Q235-A	2Cr13	1Cr18Ni12Mo2Ti
	Sealing	"Y"---Stellite, "H"------D507,"W"------Body mate

A21H/W/Y Type Spring Loaded Low Lift Safety Valve Main Dimension

Model	DN	do	d	Do	M	d1	D1	L	L1	≈H
KA21-16C A21H-16C A21H-40 A21W-16P A21W-40P KA21-16P	15	12	15	20	M27×1.5	G1/2"	30	35	76	66
	20	16	20	25	M33×1.5	G3/4"	35	40	87	68
	25	18	25	31	M39×1.5	G1"	40	50	100	105
A21Y-64 A21Y-64P A21Y-100 A21Y-100P	15	10	15	25	M39×1.5	G1"	44	50	100	66
	20	10	20	31	M39×1.5	G1"	44	50	100	68
	25	12	25	31	M39×1.5	G1"	44	50	100	105
A21W-160/160P	15	8	20	/	M24×2	G1"	44	50	100	261
	20	8	25	/	M33×2	G1"	44	50	100	261
	25	8	28	/	M36×2	G1"	44	50	100	285