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Detail information of A21W spring micro opening external thread safety valve:

price:USD$260.00
discount 70% in 2018-09-20 to 2018-09-22
price: USD$ 182.00
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Nitrogen, oxygen, liquefied gas, ammonia, stainless steel safety valve adjustable stainless steel safety valve DN103

 

The above freight is the first heavy delivery, because the weight of the valve is relatively heavy, so there is no way to write detailed freight, so the freight and the seller must negotiate, there are things to call: 13809085893 Ye Gong

 

Product name:

A21W spring micro opening external thread safety valve

Product model:External thread safety valve
Product features:A21W spring Weiqi thread safety valve suitable for air, ammonia, oil gas temperature are less than 200...... On the equipment or piping of an equal medium. A21W-P and R type temperature are less than 200 are suitable for corrosive gas or liquid equipment or pipeline, as the overpressure protection device. Type KA21Y is suitable for temperature are less than 100 of the liquefied petroleum gas.
 
Detail information of A21W spring micro opening external thread safety valve:

A,A21W spring micro opening external thread safety valveSummaryPREFIX = O

A21W spring micro opening external thread safety valveSuitable for working temperaturePREFIX = ST1200Air, ammonia, petroleum gas……On the equipment or piping of an equal medium.A21W-PRtypeStainless steel safety valveSuitable for temperature200A device for protecting the gas or liquid from corrosion, as a overpressure protector.KA21YType safety valveSuitable for temperature100Liquefied petroleum gas and so on.

2,A21F A21WSpring micro opening stainless steel external thread safety valveMaterial of main parts

 

NO.

Part name

A21H-C/A21FMaterial Science

A21W-P/A21F-PMaterial Science

A21Y-RMaterial Science

1

Pipe joint

20

1Cr18Ni9Ti

1Cr18Ni12Mo2Ti

2

Pipe nut

35

2Cr13

1Cr18Ni9Ti

3

valve seat

35

1Cr18Ni9Ti

1Cr18Ni12Mo2Ti

4

valve body

2Cr13

1Cr18Ni9Ti

1Cr18Ni12Mo2Ti

5

Valve

2Cr13/2Cr13+PTFE

1Cr18Ni9Ti/1Cr18Ni9Ti+PTFE

1Cr18Ni12Mo2Ti

6

Spring seat

2Cr13

1Cr18Ni9Ti

1Cr18Ni12Mo2Ti

7

Spring

50CrVA

50CrVACoated fluoroplastic

50CrVACoated fluoroplastic

8

Lock nut

Q235-A

ZG230-450

1Cr18Ni9Ti

9

Spring guide pad

2Cr13

1Cr18Ni9Ti

1Cr18Ni12Mo2Ti

10

Adjusting nut

Q235-A

2Cr13

1Cr18Ni12Mo2Ti

Sealing surface material

"Y"Surfacing weldingCoBase cemented carbide,"H"Surfacing weldingD507,"W"Type is valve body


Three,A21F A21WSpring micro opening typeStainless steel external thread safety valveOutline dimensions and connection dimensions

 

Model

Nominal diameter

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