Spring Fully Open and Closed Safety Valve

Spring fully open and closed safety valve (carbon steel safety valve) is suitable for equipment and …

Description：

Productoverview:
A42Y-C series Spring full open safety valve closed (steel safety valve) equipment and piping for working temperature is less than or equal to 300 DEG C air, liquefied petroleum gas, liquid medium. A42Y-P type and A42Y-R type (stainless steel valve) is suitable for the work temperature less than 200 DEG C has the equipment and piping of corrosive medium, as the overpressure protection device. The standard flange JB/T...... -94 series 1. More than 6.4MPa by JB/T...... -94 series 2.
The product uses:
A42Y-C series Spring full open safety valve closed The full closure of the valve cover and the valve cap structure, opening the safety valve emissions, the media will not be leaked to the outside world, and all through the discharge pipe for discharging, and can prevent the dust and other impurities into the valve, is suitable for the gas temperature is not higher than 300 degrees and liquid medium to large displacement.
Three, Spring full open safety valve closed Product features:
1, full opening structure, large displacement;
2, the valve is provided with recoil plate parts;
3, the plane structure of the valve and the valve seat is easy to repair and re processing;
4, setting pressure deviation is small, up to 3%;
5, high-quality spring steel, ensure the life and stability of spring.
Four, the implementation of standards:
Design specification: GB/T 12243;
The length of the structure: GB/T 12221;
Flange connection: JB/T 79;
Test and inspection: GB/T 12242;
Product ID: GB/T 12220;
Supply specification: JB/T 7928.
Five, spring full open closed safety valve (A42Y) analysis chart:

Six, Spring full open safety valve closed The main components of materials (A42Y):

NO.	Part name Name of part	A42Y-C/KA42Y-C Materials	A42Y-P/KA42Y-P Materials	A42Y-R Materials	DA42Y-P Materials
One	Seat Nozzle	2Cr13/1Cr18Ni9Ti	ZG1Cr18Ni9Ti	ZG1Cr18Ni12Mo2Ti	ZG1Cr18Ni9Ti
Two	Body Body	WCB	ZG1Cr18Ni9Ti	ZG1Cr18Ni12Mo2Ti	LCB/ZG1Cr18Ni9Ti
Three	The adjusting ring Adjusting ring	2Cr13 /1Cr18Ni9Ti	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti	1Cr18Ni9Ti
Four	Disc holder	2Cr13 /1Cr18Ni9Ti	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti	1Cr18Ni9Ti
Five	Valve Disc	2Cr13 /1Cr18Ni9Ti	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti	1Cr18Ni9Ti
Six	The guide sleeve Guide sleeve	2Cr13 /1Cr18Ni9Ti	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti	1Cr18Ni9Ti
Seven	Cover Bonnet	ZG230-450	ZG230-450	ZG230-450	ZG1Cr18Ni9Ti
Eight	Spring Spring	50CrVA	50CrVA Coated Teflon	50CrVA Coated Teflon	50CrVA
Nine	Stem Stem	2Cr13	1Cr18Ni9Ti/1Cr18Ni12Mo2Ti	1Cr18Ni9Ti/1Cr18Ni12Mo2Ti	1Cr18Ni9Ti
Ten	Adjusting bolt	Forty-five	2Cr13	2Cr13	2Cr13
Eleven	Cap	ZG200-400	ZG200-400	ZG200-400	ZG230-450

Seven, spring full open closed safety valve (A42Y) dimensions and connection dimensions:

Model

Nominal diameter

Z- D?

Z1- D1?

About H

A42Y-160

Fifteen

Eight

Twenty

M34 * 2

Sixty

Ninety-five

3-18

Twenty

Twenty-nine

M42 * 2

Eighty

One hundred and fifteen

4-18

Twenty-two

Ninety-five

One hundred

Two hundred and twenty

Twenty

Eight

Twenty-seven

M33 * 2

Sixty-eight

One hundred and five

3-18

Twenty

Twenty-nine

M42 * 2

Eighty

One hundred and fifteen

4-18.

Twenty-two

Ninety-five

One hundred

Two hundred and twenty

Twenty-five

Fourteen

Twenty-eight

M33 * 2

Sixty-eight

One hundred and five

3-18

Twenty

Fifty

M64 * 3

One hundred and fifteen

One hundred and sixty-five

6-26

Thirty-two

One hundred and fifty

Two hundred and eighty

Thirty-two

Fifteen

Thirty-seven

M42 * 2

Eighty

One hundred and fifteen

4-18

Twenty-two

Fifty

M64 * 3

One hundred and fifteen

One hundred and sixty-five

6-26

Thirty-two

One hundred and fifty

Three hundred and ninety

Forty

Twenty

Forty-seven

M52 * 2

One hundred and fifteen

One hundred and sixty-five

6-26

Twenty-eight

Sixty-five

M80 * 3

One hundred and forty-five

Two hundred

6-29

Forty

One hundred and eighty

Four hundred and ninety-five

Fifty

Twenty-five

Fifty-nine

M64 * 3

One hundred and fifteen

One hundred and sixty-five

6-26

Thirty-two

Eighty

M100 * 3

One hundred and seventy

Two hundred and twenty-five

6-33

Fifty

One hundred and sixty-five

Four hundred

A42Y-320

Fifteen

Eight

Twenty-seven

M33 * 2

Sixty-eight

One hundred and five

3-18

Twenty

Twenty-nine

M42 * 2

Eighty

One hundred and fifteen

4-18

Twenty-two

Ninety-five

One hundred

Two hundred and twenty

Twenty

Eight

Thirty

M33 * 2

Seventy-five

One hundred and ten

3-18

Twenty-two

Twenty-nine

M42 * 2

Eighty

One hundred and fifteen

4-18

Twenty-two

Ninety-five

One hundred

Two hundred and twenty

Twenty-five

Fourteen

Thirty-five

M42 * 2

Eighty

One hundred and fifteen

4-18

Twenty-two

Fifty

M64 * 3

One hundred and fifteen

One hundred and sixty-five

6-26

Thirty-two

One hundred and fifty

Two hundred and eighty

Thirty-two

Fifteen

Forty-one

M48 * 2

Ninety-five

One hundred and thirty-five

4-22

Twenty-five

Fifty

M64 * 3

One hundred and fifteen

One hundred and sixty-five

6-26

Thirty-two

One hundred and fifty

Three hundred and ninety

Forty

Twenty

Fifty-eight

M64 * 3

One hundred and fifteen

One hundred and sixty-five

6-26

Thirty-two

Sixty-five

M80 * 3

One hundred and forty-five

Two hundred

6-29

Forty

One hundred and eighty

Four hundred and ninety-five

Fifty

Twenty-five

Seventy

M80 * 3

One hundred and forty-five

200< "span=" >

6-29

Forty

Eighty

M100 * 3

One hundred and seventy

Two hundred and twenty-five

6-33

Fifty

One hundred and sixty-five

Four hundred

A42Y-400

Thirty-two

Fifteen

Forty-one

M48 * 2

Ninety-five

One hundred and thirty-five

4-22

Twenty-five

Fifty

M64 * 3

One hundred and fifteen

One hundred and sixty-five

6-26

Thirty-two

One hundred and fifty

Three hundred and ninety-seven

Eight, notice: if you A42Y-: spring full open closed safety valve interested please consult or order according to the following requirements.
1, the safety valve product name and model of safety valve safety valve with the attachment so that we use for temperature and medium pressure using the safety valve and safety valve of your selection
2, if has the safety valve type design units selected Zhongwei company, please press the model 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 engineer audit checks for you.

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