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Stainless steel adjustable safety valve, low temperature micro open safety valve, low temperature tanker safety valve DA21F-40P

price:USD$850.00
discount 70% in 2018-09-24 to 2018-09-26
price: USD$ 595.00
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Product specification
Valve body: stainless steel
Spring: stainless steel
Valve seal ring: Reinforced PTFE product type: Spring direct action, micro Kai type
Nominal pressure: 4.0MPa
Applicable medium: LO2, LN2, LAr, LNG, LC2H4, etc.
Applicable temperature: -196 ~ +80 centigrade
Connection mode: thread


 

Material of main parts
Valve body: stainless steel
Spring: stainless steel
Valve seal ring: Reinforced PTFE

Main technical parameters

Product code

Setting pressure

(MPa)

Sealing pressure

(MPa)

displacement

coefficient

374Aa

1.6~2.0

1.44~1.80

 0.27

374Ab

1.3~1.6

1.17~1.44

374Ac

1.0~1.3

0.90~1.17

374Ad

0.8~1.0

0.72~0.90

 

External dimensions and connecting dimensions

 

Product model

DA21F-25P cryogenic safety valve

weight

(kg)

Product code

Path

DN(mm)

Size (mm)

L

L1

L2

L3

D0

D1

b

M1

M2

374Aa~d10AB2D3

10

96

24

58

14

8

/

/

M16×1

M16×1

0.48

374Aa~d15AB2D3

15

113

40

62

18

12

26

3

M30×1.5

M27×1.5

0.86

374Aa~d25AB2D3

25

140

40

82

20

18

31

3

M36×2

M33×2

1.28

Main matters in use and maintenance:
1, before installation to ensure that the pipe blowing clean;
2. Whenever the safety valve is taken off, the vent valve should be opened immediately and any other operation shall be stopped;
3. The safety valve shall be checked at least once a year;
4. The special setting pressure safety valve can be customized according to the requirements.