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0517-86918678
Address:No. 4-4 East West Road, Jinhu County Industrial Concentration Zone, Huaian City, Jiangsu Province
Tel:0517-86918678
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Spring Double Safety Valve

1雙聯(lián)彈簧式安全閥.jpg
  • 1雙聯(lián)彈簧式安全閥.jpg
Double spring relief valve is composed of two A48Y or A47H relief valves of the same specifications …

Description:

A, product introduction:
A38Y, A43H, A37H series Duplex safety valve Is the two of the same size A48Y or A47H type safety valve is arranged in the Y joint is formed, is suitable for the work temperature are less than 350 of the steam, water and other media equipment and pipeline. As the overpressure protection device.
Two, Duplex safety valve Product features:
1, full opening structure, large displacement;
2, the valve is provided with recoil plate parts;
3, take regular inspection can enhance wrench valve opening flexibility;
4, setting pressure deviation is small, up to 3%;
5, the opening and closing pressure is less than or equal to 15%;
6, high-quality spring steel, ensure the life and stability of spring;
7, the plane structure of the valve and the valve seat is easy to repair and re processing.
Three, Duplex safety valve Structure diagram:


 

Four, apply double spring type safety valve in combination:
Spring type double safety valve is suitable for the equipment and piping of steam, water and other medium temperature are less than 350 of the work. As the overpressure protection device. The standard flange JB/T... 94... 1A38Y, A43H, A37H type double safety valve is installed in the Y joint two of the same size A48Y or A47H type safety valve of the nominal diameter series refers to the Y connector inlet diameter, the combination of the following table:

A43Y double type safety valve

The corresponding A47Y safety valve

Fifty

32 x 2

Eighty

50 x 2

One hundred

80 x 2

One hundred and twenty-five

100 x 2

One hundred and fifty

125 x 2

 

A38Y double type safety valve

The corresponding A48Y safety valve

Fifty

32 * 2

Eighty

50 * 2

One hundred

65 * 2

One hundred and fifty

100 * 2

 

A37Y double type safety valve

The corresponding A47Y safety valve

Fifty

32 * 2

Eighty

65 x 2

One hundred

80 x 2

One hundred and twenty-five

100 x 2

One hundred and fifty

125 x 2

Five, double spring type safety valve dimensions and connection dimensions:

Model

Path

Do

D

K

G

G1

B

F

F1

Z- D?

DN'

D1

K1

G2

B1

F'

Z1- D1?

L

L1

L0

H

H

A37H-16C A43H-16C

Fifty

Twenty-five

One hundred and sixty-five

One hundred and twenty-five

One hundred


Twenty

Three


4-18

Thirty-two

One hundred and forty

One hundred

Seventy-eight

Eighteen

Two

4-18

One hundred and fifteen

One hundred and ten

One hundred and sixty-five

Two hundred and thirty-five

Five hundred and forty-seven

Eighty

Forty

Two hundred

One hundred and sixty

One hundred and thirty-five


Twenty

Three


8-18

Fifty

One hundred and sixty-five

One hundred and twenty-five

One hundred

Sixteen

Three

4-18

One hundred and thirty-five

One hundred and twenty

One hundred and ninety

Two hundred and eighty-five

Seven hundred and ninety-five

Eighty

Fifty

Two hundred

One hundred and sixty

One hundred and thirty-five


Twenty

Three


8-18

Sixty-five

One hundred and eighty-five

One hundred and forty-five

One hundred and twenty

Eighteen

Three

4-18

One hundred and forty

One hundred and thirty

Two hundred and five

Three hundred and ten

Eight hundred and thirty-five

One hundred

Sixty-five

Two hundred and twenty

One hundred and eighty

One hundred and fifty-five


Twenty-two

Three


8-18

Eighty

Two hundred

One hundred and sixty

One hundred and thirty-five

Twenty

Three

8-18

One hundred and sixty

One hundred and thirty-five

Two hundred and fifty-five

Three hundred and fifty-five

Eight hundred and ninety

One hundred and twenty-five

Eighty

Two hundred and fifty

Two hundred and ten

One hundred and eighty-five


Twenty-two

Three


8-18

One hundred

Two hundred and twenty

One hundred and eighty

One hundred and fifty-five

Twenty-two

Three

8-18

One hundred and seventy

One hundred and sixty

Two hundred and sixty

Four hundred and ten

One thousand one hundred and seventy

One hundred and fifty

One hundred

Two hundred and eighty-five

Two hundred and forty

Two hundred and ten


Twenty-four

Three


8-23

One hundred and twenty-five

Two hundred and fifty

Two hundred and ten

One hundred and eighty-five

Twenty-two

Three

8-18

One hundred and ninety

One hundred and ninety

Two hundred and seventy-five

Four hundred and thirty

One thousand two hundred and forty

A37H-25 A43H-25

Fifty

Twenty-five

One hundred and sixty-five

One hundred and twenty-five

One hundred


Twenty

Three


4-18

Thirty-two

One hundred and forty

One hundred

Seventy-eight

Eighteen

Two

4-18

One hundred and fifteen

One hundred and ten

One hundred and sixty-five

Two hundred and thirty-five

Five hundred and forty-seven

Eighty

Forty

Two hundred

One hundred and sixty

One hundred and thirty-five


Twenty-two

Three


8-18

Fifty

One hundred and sixty-five

One hundred and twenty-five

One hundred

Sixteen

Three

4-18

One hundred and thirty-five

One hundred and twenty

One hundred and ninety

Two hundred and eighty-five

Seven hundred and ninety-five

Eighty

Fifty

Two hundred

One hundred and sixty

One hundred and thirty-five


Twenty-two

Three


8-18

Sixty-five

One hundred and eighty-five

One hundred and forty-five

One hundred and twenty

Eighteen

Three

4-18

One hundred and forty

One hundred and thirty

Two hundred and five

Three hundred and ten

Eight hundred and thirty-five

One hundred

Sixty-five

Two hundred and thirty

One hundred and ninety

One hundred and sixty


Twenty-four

Three


8-23

Eighty

Two hundred

One hundred and sixty

One hundred and thirty-five

Twenty

Three

8-18

One hundred and sixty

One hundred and thirty-five

Two hundred and fifty-five

Three hundred and fifty-five

Eight hundred and ninety

One hundred and twenty-five

Eighty

Two hundred and seventy

Two hundred and twenty

One hundred and eighty-eight


Twenty-eight

Three


8-26

One hundred

Two hundred and twenty

One hundred and eighty

One hundred and fifty-five

Twenty-two

Three

8-18

One hundred and seventy

One hundred and sixty

Two hundred and sixty

Four hundred and ten

One thousand one hundred and seventy

One hundred and fifty

One hundred

Three hundred

Two hundred and fifty

Two hundred and eighteen


Thirty

Three


8-26

One hundred and twenty-five

Two hundred and fifty

Two hundred and ten

One hundred and eighty-five

Twenty-two

Three

8-18

One hundred and ninety

One hundred and ninety

Two hundred and seventy-five

Four hundred and thirty

One thousand two hundred and forty

A37H-40 A43H-40

Fifty

Twenty-five

One hundred and sixty-five

One hundred and twenty-five

One hundred

Eighty-eight

Twenty

Three

Four

4-18

Thirty-two

One hundred and forty

One hundred

Seventy-eight

Sixteen

Two

4-18

One hundred and fifteen

One hundred and ten

One hundred and sixty-five

Two hundred and thirty-five

Five hundred and forty-seven

Eighty

Forty

Two hundred

One hundred and sixty

One hundred and thirty-five

One hundred and twenty-one

Twenty-two

Three

Four

8-18

Fifty

One hundred and sixty-five

One hundred and twenty-five

One hundred

Sixteen

Three

4-18

One hundred and thirty-five

One hundred and twenty

One hundred and ninety

Two hundred and eighty-five

Seven hundred and ninety-five

Eighty

Fifty

Two hundred

One hundred and sixty

One hundred and thirty-five

One hundred and twenty-one

Twenty-two

Three

Four

8-18

Sixty-five

One hundred and eighty-five

One hundred and forty-five

One hundred and twenty

Eighteen

Three

4-18

One hundred and forty

One hundred and thirty

Two hundred and five

Three hundred and ten

Eight hundred and thirty-five

One hundred

Sixty-five

Two hundred and thirty-five

One hundred and ninety

One hundred and sixty

One hundred and fifty

Twenty-four

Three

Four point five

8-23

Eighty

Two hundred

One hundred and sixty

One hundred and thirty-five

Twenty

Three

8-18

One hundred and sixty

One hundred and thirty-five

Two hundred and fifty-five

Three hundred and fifty-five

Eight hundred and ninety

One hundred and twenty-five

Eighty

Two hundred and seventy

Two hundred and twenty

One hundred and eighty-eight

One hundred and seventy-six

Twenty-eight

Three

Four point five

8-26

One hundred

Two hundred and twenty

One hundred and eighty

One hundred and fifty-five

Twenty-two

Three

8-18

One hundred and seventy

One hundred and sixty

Two hundred and sixty

Four hundred and ten

One thousand one hundred and seventy

One hundred and fifty

One hundred

Three hundred

Two hundred and fifty

Two hundred and eighteen

Two hundred and four

Thirty

Three

Four point five

8-26

One hundred and twenty-five

Two hundred and fifty

Two hundred and ten

One hundred and eighty-five

Twenty-two

Three

8-18

One hundred and ninety

One hundred and ninety

Two hundred and seventy-five

Four hundred and thirty

One thousand two hundred and forty

A38Y-16C

Fifty

Twenty

One hundred and sixty-five

One hundred and twenty-five

One hundred


Twenty

Three


4-18

Forty

One hundred and fifty

One hundred and ten

Eighty-five

Sixteen

Three

4-18

One hundred and ninety-eight

One hundred

One hundred and sixty-five

Two hundred and twenty-five

Six hundred and thirty-six

Eighty

Thirty-two

Two hundred

One hundred and sixty

One hundred and thirty-five


Twenty

Three


8-18

Sixty-five

One hundred and eighty-five

One hundred and forty-five

One hundred and twenty

Twenty

Three

4-18

Two hundred and thirty

One hundred and twenty

One hundred and ninety

Two hundred and sixty-five

Eight hundred and seventeen

One hundred

Forty

Two hundred and twenty

One hundred and eighty

One hundred and fifty-five


Twenty-two

Three


8-18

Eighty

Two hundred

One hundred and sixty

One hundred and thirty-five

Twenty

Three

8-18

Two hundred and ninety-three

One hundred and forty

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Two hundred and sixty-five

Nine hundred and twenty-one

One hundred and fifty

Eighty

Two hundred and eighty-five

Two hundred and forty

Two hundred and ten


Twenty-four

Three


8-23

One hundred and twenty-five

Two hundred and fifty

Two hundred and ten

One hundred and eighty-five

Twenty-two

Three

8-18

Three hundred and twenty

One hundred and seventy-five

Two hundred and fifty

Four hundred and twenty

One thousand and ninety-seven

A38Y-25

Fifty

Twenty

One hundred and sixty-five

One hundred and twenty-five

One hundred


Twenty

Three


4-18

Forty

One hundred and fifty

One hundred and ten

Eighty-five

Sixteen

Three

4-18

One hundred and ninety-eight

One hundred

One hundred and sixty-five

Two hundred and twenty-five

Six hundred and thirty-six

Eighty

Thirty-two

Two hundred

One hundred and sixty

One hundred and thirty-five


Twenty-two

Three


8-18

Sixty-five

One hundred and eighty-five

One hundred and forty-five

One hundred and twenty

Twenty

Three

4-18

Two hundred and thirty

One hundred and twenty

One hundred and ninety

Two hundred and sixty-five

Eight hundred and seventeen

One hundred

Forty

Two hundred and thirty

One hundred and ninety

One hundred and sixty


Twenty-four

Three


8-23

Eighty

Two hundred

One hundred and sixty

One hundred and thirty-five

Twenty

Three

8-18

Two hundred and ninety-three

One hundred and forty

Two hundred and sixty-five

Two hundred and sixty-five

Nine hundred and twenty-one

One hundred and fifty

Eighty

Three hundred

Two hundred and fifty

Two hundred and eighteen


Thirty

Three


8-26

One hundred and twenty-five

Two hundred and fifty

Two hundred and ten

One hundred and eighty-five

Twenty-two

Three

8-18

Three hundred and twenty

One hundred and seventy-five

Two hundred and fifty

Four hundred and twenty

One thousand and ninety-seven

A38Y-40

Fifty

Twenty

One hundred and sixty-five

One hundred and twenty-five

One hundred

Eighty-eight

Twenty

Three

Four

4-18

Forty

One hundred and fifty

One hundred and ten

Eighty-five

Sixteen

Three

4-18

One hundred and ninety-eight

One hundred

One hundred and sixty-five

Two hundred and twenty-five

Six hundred and thirty-six

Eighty

Thirty-two

Two hundred

One hundred and sixty

One hundred and thirty-five

One hundred and twenty-one

Twenty-two

Three

Four

8-18

Sixty-five

One hundred and eighty-five

One hundred and forty-five

One hundred and twenty

Twenty

Three

4-18

Two hundred and thirty

One hundred and twenty

One hundred and ninety

Two hundred and sixty-five

Eight hundred and seventeen

One hundred

Forty

Two hundred and thirty-five

One hundred and ninety

One hundred and sixty

One hundred and fifty

Twenty-four

Three

Four point five

8-23

Eighty

Two hundred

One hundred and sixty

One hundred and thirty-five

Twenty

Three

8-18

Two hundred and ninety-three

One hundred and forty

Two hundred and sixty-five

Two hundred and sixty-five

Nine hundred and twenty-one

One hundred and fifty

Eighty

Three hundred

Two hundred and fifty

Two hundred and eighteen

Two hundred and four

Thirty

Three

Four point five

8-26

One hundred and twenty-five

Two hundred and fifty

Two hundred and ten

One hundred and eighty-five

Twenty-two

Three

8-18

Three hundred and twenty

One hundred and seventy-five

Two hundred and fifty

Four hundred and twenty

One thousand and ninety-seven

Six, ordering:
1, the double spring type safety valve product name and model of double spring type safety valve duplex safety valve with the attachment so that we provide you the use of medium pressure and correct selection of duplex safety valve of double spring type safety valve of the temperature.
2, if the unit has been selected by the design company Zhongwei double spring type safety valve type, please press the double spring type safety valve type directly to our sales department order.
3, the occasion is very important when using more complex or the environment when you try to provide design drawings and detailed parameters by our Zhongwei company expert audit checks for you.


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