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Spring slightly open closed safety valve

Model
Nature of the Manufacturer
Other
Product Category
The relief valve
Place of Origin
City, Province
Overview
Spring slightly open closed safety valve
Product Details
Description:

Productoverview:
A41H series Spring micro open type safety valve closed Suitable for the work temperature are less than 300 of the oil gas, air, water and other media of the equipment or pipeline. Type A41y-p/r is suitable for the work temperature are less than 200 corrosion of the equipment or pipeline, as the overpressure protection device. The standard flange jb/t...... 94/ series.
Two, work principle:
A41H series Spring micro open type safety valve closed Is an open by the inlet static pressure automatic pressure relief protection device, it is one of the most important safety accessories for pressure vessel, its function is: when the container pressure exceeds a certain value, depending on the pressure of medium itself automatically open the valve, rapid discharge of a certain number of media. When the pressure within the container is reduced to the allowable value, the valve is automatically closed, the pressure inside the container is always lower than the allowable pressure limit, automatically prevent possible overpressure due to accidents, so the safety valve is also known as the ultimate protection device for pressure vessels.
Three, Spring micro open type safety valve closed Structural characteristics:
1, spring micro open type safety valve has the advantages of simple structure, good sealing performance, accurate open pressure, discharge capacity, back seat pressure difference is small, easy to adjust.
2, the nozzle type seat: the seat for a cut of the nozzle seat that reaches the speed of sound at the outlet of the steam flowing through the valve, discharge coefficient, surfacing Stellite seating, erosion abrasion resistance, long service life.
3, thermal elastic disc: disc design for thermal elastic structure, using the medium pressure tiny deformation, improve the sealing ability, overcome the safety valve setting of the pressure is near before discharge phenomenon in the medium pressure. The valve sealing surface using advanced laser quenching technology, improve the hardness, wear resistance, impact resistance.
4: by adjusting the adjusting nut adjusting nut, adjust the amount of compression spring, the valve can conveniently and quickly get accurate setting pressure.
5, the back pressure adjustment set: auxiliary mechanism adjustment valve back pressure, through adjusting the back pressure adjustment, can get the right back seat pressure. When raised, the back pressure reducing valve. Cut, make the valve back pressure increased.
Four, spring micro open closed safety valve installation instructions:
1, the valve must be installed vertically, and best installed directly in the container or pipe joints. The import of the inner diameter of the joint should not be less than the safety valves.
2, the safety valve must be installed the export of appropriate expansion joint, to prevent the discharge pipe thermal expansion safety valve to bring unnecessary heat stress. The discharge pipe diameter than the valve outlet should be of large diameter and length as short as possible, avoid turn. Discharge pipe and expansion joint weight should not be in the safety valve should be fixed on the building.Distance between the center lines of the discharge tube and the valve between the as short as possible. For each set of safety valve should be installed separately discharge tube.
Exit 3, muffler to have enough area, prevent the discharge capacity of the valve back pressure effect.
The common faults and causes of five safety valve:
1, safety valve leakage: (1) valve spool and valve seat contact surface is not tight; (2) valve spool and valve seat contact surface dirt; (3) stem deflection.
2, the safety valve to the required pressure is not open: (1) to remove the spool and the valve seat, do manual exhaust test; (2) spring to adjust the pressure of the spring type safety valve is too large, should be re adjusted; (3) lever type safety valve of the hammer to move backwards, should be moved to the original constant pressure hammer the position, with the limit screw fastening.
3, does not require a pressure relief valve opening: (1) spring to adjust the pressure of the spring type safety valve spring failure is not enough, or lack of elasticity, should be reset or replace safety valve; (2) the lever type safety valve hammer hammer should be moving forward, to move to the original constant pressure position, with limited motion screw fastening.
Six, Spring micro open type safety valve closed The main components of materials:

No
Part name
A41h-c/ka41y-c material
A41y-p/ka41y-p material
A41y-r/ka41y-r material
One
valve body
WCB
Zg1cr18ni9ti
Zg1cr18ni12mo2ti
Two
valve seat
Zg2cr13/1cr18ni9ti
Zg1cr18ni9ti
Zg1cr18ni12mo2ti
Three
The adjusting ring
Zg2cr13/1cr18ni9ti
Zg1cr18ni9ti
Zg1cr18ni12mo2ti
Four
Valve
2cr13/1cr18ni9ti
1Cr18Ni9Ti
1cr18ni12mo2ti
Five
The guide sleeve
Zg2cr13/1cr18ni9ti
Zg1cr18ni9ti
Zg1cr18ni12mo2ti
Six
Valve cover
Zg230-450
Zg230-450
Zg230-450
Seven
Spring
50CrVA
50CrVA fluorine plastic coating
50CrVA fluorine plastic coating
Eight
The stem
2Cr13
2Cr13
1cr18ni12mo2ti
Nine
Adjustment screw
Forty-five
2Cr13
2Cr13
Ten
Protective cover
Zg200-400
Zg200-400
Zg200-400

Sealing surface material
Surfacing d507
Co based alloy hardfacing

Seven, Spring micro open type safety valve closed Dimensions and connection dimensions:


Model
Nominal diameter
Do
D
K
G
G1
B
F
F1
Z-d
DN '
D1
K1
G2
G '
B1
F '
F1 '
Z1-d1
L
L1
About H
A41H-16C
A41Y-16P
A41Y-16R
KA41Y-16C
KA41Y-16P
Twenty
Fifteen
One hundred and five
Seventy-five
-
Fifty-five
Sixteen
Two
-
4-14
Twenty
One hundred and five
Seventy-five
Fifty-five
-
Sixteen
Two
-
4-14
One hundred
Eighty-five
Two hundred and seventy-six
Twenty-five
Twenty
One hundred and fifteen
Eighty-five
-
Sixty-five
Sixteen
Two
-
4-14
Twenty-five
One hundred and fifteen
Eighty-five
Sixty-five
-
Sixteen
Two
-
4-14
One hundred
Eighty-five
Two hundred and seventy-six
Thirty-two
Twenty-five
One hundred and forty
One hundred
-
Seventy-eight
Eighteen
Two
-
4-18
Thirty-two
One hundred and forty
One hundred
Seventy-eight
-
Eighteen
Two
-
4-18
One hundred and fifteen
One hundred
Two hundred and eighty-five
Forty
Thirty-two
One hundred and fifty
One hundred and ten
-
Eighty-five
Eighteen
Three
-
4-18
Forty
One hundred and fifty
One hundred and ten
Eighty-five
-
Eighteen
Three
-
,
4-18
One hundred and twenty
One hundred and ten
Two hundred and ninety-two
Fifty
Forty
One hundred and sixty-five
One hundred and twenty-five
-
One hundred
Twenty
Three
-
4-18
Fifty
One hundred and sixty-five
One hundred and twenty-five
One hundred
-
Twenty
Three
-
4-18
One hundred and thirty-five
One hundred and twenty
Three hundred and seventy
Sixty-five
Fifty
One hundred and eighty-five
One hundred and forty-five
-
One hundred and twenty
Twenty
Three
-
4-18
Sixty-five
One hundred and eighty-five
One hundred and forty-five
One hundred and twenty
-
Twenty
Three
-
4-18
One hundred and forty
One hundred and thirty
Three hundred and seventy-five
Eighty
Sixty-five
Two hundred
One hundred and sixty
-
One hundred and thirty-five
Twenty
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
Three hundred and seventy-three
One hundred
Eighty
Two hundred and twenty
One hundred and eighty
-
One hundred and fifty-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
170">"Font=", "style=" PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; COLOR: RGB (0,0,0); FONT-SIZE: 14px; PADDING-TOP: 0px >170
One hundred and sixty
Five hundred and thirteen
One hundred and twenty-five
One hundred
Two hundred and fifty
Two hundred and ten
-
One hundred and eighty-five
Twenty-two
Three
-
8-18
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
Five hundred and sixty
One hundred and fifty
One hundred and twenty-five
Two hundred and eighty-five
Two hundred and forty
-
Two hundred and ten
Twenty-four
Three
-
8-23
One hundred and fifty
Two hundred and eighty-five
Two hundred and forty
Two hundred and ten
-
Twenty-four
Three
-
8-23
Two hundred and five
One hundred and ninety-five
Five hundred and seventy
Two hundred
One hundred and fifty
Three hundred and forty
Two hundred and ninety-five
-
Two hundred and sixty-five
Twenty-six
Three
-
12-23
Two hundred
Three hundred and forty
Two hundred and ninety-five
Two hundred and sixty-five
-
Twenty-six
Three
-
12-23
Two hundred and forty
Two hundred and thirty
Seven hundred and seventeen
Two hundred and fifty
Two hundred
Four hundred and five
Three hundred and fifty-five
-
Three hundred and twenty
Thirty
Three
-
12-26
Two hundred and fifty
Four hundred and five
Three hundred and fifty-five
Three hundred and twenty
-
Thirty
Three
-
12-26
Three hundred and fifty
Three hundred and twenty
Nine hundred and forty
Three hundred
Two hundred and fifty
Four hundred and sixty
Four hundred and ten
-
Three hundred and seventy-five
Thirty
Four
-
12-26
Three hundred
Four hundred and sixty
Four hundred and ten
Three hundred and seventy-five
-
Thirty
Four
-
12-26
Three hundred and fifty
Three hundred and twenty
Nine hundred and eighty
A41H-25
A41Y-25P
A41Y-25R
KA41Y-25
KA41Y-25P
Twenty
Fifteen
One hundred and five
Seventy-five
-
Fifty-five
Sixteen
Two
-
4-14
Twenty
One hundred and five
Seventy-five
Fifty-five
-
Sixteen
Two
-
4-14
One hundred
Eighty-five
Two hundred and seventy-six
Twenty-five
Twenty
One hundred and fifteen
Eighty-five
-
Sixty-five
Sixteen
Two
-
4-14
Twenty-five
One hundred and fifteen
Eighty-five
Sixty-five
-
Sixteen
Two
-
4-14
One hundred
Eighty-five
Two hundred and seventy-six
Thirty-two
Twenty-five
One hundred and forty
One hundred
-
Seventy-eight
Eighteen
Two
-
4-18
Thirty-two
One hundred and forty
One hundred
Seventy-eight
-
Eighteen
Two
-
4-18
One hundred and fifteen
One hundred
Two hundred and eighty-five
Forty
Thirty-two
One hundred and fifty
One hundred and ten
-
Eighty-five
Eighteen
Three
-
4-18
Forty
One hundred and fifty
One hundred and ten
Eighty-five
-
Eighteen
Three
-
4-18
One hundred and twenty
One hundred and ten
Two hundred and ninety-two
Fifty
Forty
One hundred and sixty-five
One hundred and twenty-five
-
One hundred
Twenty
Three
-
4-18
Fifty
One hundred and sixty-five
One hundred and twenty-five
One hundred
-
Twenty
Three
-
4-18
One hundred and thirty-five
One hundred and twenty
Three hundred and seventy
Sixty-five
Fifty
One hundred and eighty-five
One hundred and forty-five
-
One hundred and twenty
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
One hundred and forty
One hundred and thirty
Three hundred and seventy-five
Eighty
Sixty-five
Two hundred
One hundred and sixty
-
One hundred and thirty-five
Twenty-four
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
Three hundred and seventy-three
One hundred
Eighty
Two hundred and thirty
One hundred and ninety
-
One hundred and sixty
Twenty-four
Three
-
8-23
One hundred
Two hundred and twenty
One hundred and eighty
One hundred and fifty-five
-
Twenty
Three
-
8-18
One hundred and seventy
One hundred and sixty
Five hundred and thirteen
One hundred and twenty-five
One hundred
Two hundred and seventy
Two hundred and twenty
-
One hundred and eighty-eight
Twenty-eight
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
Five hundred and sixty
One hundred and fifty
One hundred and twenty-five
Three hundred
Two hundred and fifty
-
Two hundred and eighteen
Thirty
Three
-
8-26
One hundred and fifty
Two hundred and eighty-five
Two hundred and forty
Two hundred and ten
-
Twenty-four
Three
-
8-23
Two hundred and five
One hundred and ninety-five
Five hundred and seventy
Two hundred
One hundred and fifty
Three hundred and sixty
Three hundred and ten
-
Two hundred and seventy-eight
Thirty-four
Three
-
12-26
Two hundred
Three hundred and forty
Two hundred and ninety-five
Two hundred and sixty-five
-
Twenty-six
Three
-
12-23
Two hundred and forty
Two hundred and thirty
Seven hundred and seventeen
Two hundred and fifty
Two hundred
Four hundred and twenty-five
Three hundred and seventy
-
Three hundred and thirty-two
Thirty-six
Three
-
12-30
Two hundred and fifty
Four hundred and five
Three hundred and fifty-five
Three hundred and twenty
-
Thirty
Three
-
12-26
Three hundred and fifty
Three hundred and twenty
Nine hundred and forty
Three hundred
Two hundred and fifty
Four hundred and eighty-five
Four hundred and thirty
-
Three hundred and ninety
Forty
Four
-
16-30
Three hundred
Four hundred and sixty
Four hundred and ten
Three hundred and seventy-five
-
Thirty
Four
-
12-26
Three hundred and fifty
Three hundred and twenty
Nine hundred and eighty
A41H-40
A41Y-40P
A41Y-40R
KA41Y-40
KA41Y-40P
Twenty
Fifteen
One hundred and five
Seventy-five
Fifty-one
Fifty-five
Sixteen
Two
Four
4-14
Twenty
One hundred and five
Seventy-five
Fifty-five
-
Sixteen
Two
-
4-14
One hundred
Eighty-five
Two hundred and seventy-six
Twenty-five
Twenty
One hundred and fifteen
Eighty-five
Fifty-eight
Sixty-five
Sixteen
Two
Four
4-14
Twenty-five
One hundred and fifteen
Eighty-five
Sixty-five
-
Sixteen
Two
-
4-14
One hundred
Eighty-five
Two hundred and seventy-six
Thirty-two
Twenty-five
,
One hundred and forty
One hundred
Sixty-six
Seventy-eight
Eighteen
Two
Four
4-18
Thirty-two
One hundred and forty
One hundred
Seventy-eight
-
Eighteen
Two
-
4-18
One hundred and fifteen
One hundred
Two hundred and eighty-five
Forty
Thirty-two
One hundred and fifty
One hundred and ten
Seventy-six
Eighty-five
Eighteen
Three
Four
4-18
Forty
One hundred and fifty
One hundred and ten
Eighty-five
-
Eighteen
Three
-
4-18
One hundred and twenty
One hundred and ten
Two hundred and ninety-two
Fifty
Forty
One hundred and sixty-five
One hundred and twenty-five
Eighty-eight
One hundred
Twenty
Three
Four
4-18
Fifty
One hundred and sixty-five
One hundred and twenty-five
One hundred
-
Twenty
Three
-
4-18
One hundred and thirty-five
One hundred and twenty
Three hundred and seventy
Sixty-five
Fifty
One hundred and eighty-five
One hundred and forty-five
One hundred and ten
One hundred and twenty
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
One hundred and forty
One hundred and thirty
Three hundred and seventy-five
Eighty
Sixty-five
Two hundred
One hundred and sixty
One hundred and twenty-one
One hundred and thirty-five
Twenty-two
Three
Four
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
Three hundred and seventy-three
One hundred
Eighty
Two hundred and thirty-five
One hundred and ninety
One hundred and fifty
One hundred and sixty
Twenty-four
Three
Four point five
8-23
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
Five hundred and thirteen
One hundred and twenty-five
One hundred
Two hundred and seventy
Two hundred and twenty
One hundred and seventy-six
One hundred and eighty-eight
Twenty-eight
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
Five hundred and sixty
One hundred and fifty
One hundred and twenty-five
Three hundred
Two hundred and fifty
Two hundred and four
Two hundred and eighteen
Thirty
Three
Four point five
8-26
One hundred and fifty
Two hundred and eighty-five
Two hundred and forty
Two hundred and ten
-
Twenty-four
Three
-
8-23
Two hundred and five
One hundred and ninety-five
Five hundred and seventy
Two hundred
One hundred and fifty
Three hundred and seventy-five
Three hundred and twenty
Two hundred and sixty
Two hundred and eighty-two
Thirty-eight
Three
Four point five
12-30
Two hundred
Three hundred and forty
Two hundred and ninety-five
Two hundred and sixty-five
-
Twenty-six
Three
-
12-23
Two hundred and forty
Two hundred and thirty
Seven hundred and seventeen
Two hundred and fifty
Two hundred
Four hundred and fifty
Three hundred and eighty-five
Three hundred and thirteen
Three hundred and forty-five
Forty-two
Three
Four point five
12-34
Two hundred and fifty
Four hundred and five
Three hundred and fifty-five
Three hundred and twenty
-
Thirty
Three
-
12-26
Three hundred and fifty
Three hundred and twenty
Nine hundred and forty
Three hundred
Two hundred and fifty
Five hundred and fifteen
Four hundred and fifty
Three hundred and sixty-four
Four hundred and eight
Forty-six
Four
Four point five
16-34
Three hundred
Four hundred and sixty
Four hundred and ten
Three hundred and seventy-five
-
Thirty
Four
-
12-26
Three hundred and fifty
Three hundred and twenty
Nine hundred and eighty
A41H-64
A41Y-64
A41Y-64P
A41Y-64R
Twenty
Fifteen
One hundred and thirty
Ninety
Fifty-one
Sixty-eight
Twenty
Two
Four
4-18
Twenty
One hundred and five
Seventy-five
Fifty-five
Fifty-one
Sixteen
Two
Four
4-14
One hundred
Ninety-five
Two hundred and sixty-eight
Twenty-five
Twenty
One hundred and forty
One hundred
Fifty-eight
Seventy-eight
Twenty-two
Two
Four
4-18
Twenty-five
One hundred and fifteen
Eighty-five
Sixty-five
Fifty-eight
Sixteen
Two
Four
4-14
One hundred
Ninety-five
Two hundred and sixty-eight
Thirty-two
Twenty-five
One hundred and fifty-five
One hundred and ten
Sixty-six
Eighty-two
Twenty-four
Two
Four
4-23
Thirty-two
One hundred and forty
One hundred
Seventy-eight
Sixty-six
Eighteen
Two
Four
4-18
One hundred and fifteen
One hundred and five
Two hundred and seventy-nine
Forty
Thirty-two
One hundred and seventy
One hundred and twenty-five
Seventy-six
Ninety-five
Twenty-four
Three
Four
4-23
Forty
One hundred and fifty
One hundred and ten
Eighty-five
Seventy-six
Eighteen
Three
Four
4-18
One hundred and thirty-five
One hundred and fifteen
Three hundred and thirty
Fifty
Forty
One hundred and eighty
One hundred and thirty-five
Eighty-eight
One hundred and five
Twenty-six
Three
Four
4-23
Fifty
One hundred and sixty-five
One hundred and twenty-five
One hundred
Eighty-eight
Twenty
Three
Four
4-18
One hundred and sixty
One hundred and twenty-five
Three hundred and sixty
Sixty-five
Fifty
Two hundred and five
One hundred and sixty
One hundred and ten
One hundred and thirty
Twenty-eight
Three
Four
8-23
Sixty-five
One hundred and eighty-five
One hundred and forty-five
One hundred and twenty
One hundred and ten
Twenty-two
Three
Four
8-18
One hundred and seventy-five
One hundred and sixty
Five hundred and three
Eighty
Sixty-five
Two hundred and fifteen
One hundred and seventy
One hundred and twenty-one
One hundred and forty
Thirty
Three
Four
8-23
Eighty
Two hundred
One hundred and sixty
One hundred and thirty-five
One hundred and twenty-one
Twenty-two
Three
Four
8-18
One hundred and seventy-five
One hundred and sixty
Four hundred and ninety-eight
One hundred
Eighty
Two hundred and fifty
Two hundred
One hundred and fifty
One hundred and sixty-eight
Thirty-two
Three
Four point five
8-26
One hundred
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
One hundred and ninety
One hundred and eighty
Five hundred and thirty
One hundred and fifty
One hundred
Three hundred and forty-five
Two hundred and eighty
Two hundred and four
Two hundred and forty
Thirty-eight
Three
Four point five
8-34
One hundred and fifty
Three hundred
Two hundred and fifty
Two hundred and eighteen
Two hundred and four
Thirty
Three
Four point five
8-26
Two hundred and eighty
Two hundred and sixty
Six hundred and fifty-seven
A41H-100.
A41Y-100
A41Y-100P
A41Y-100R
Twenty
Fifteen
One hundred and thirty
Ninety
Fifty-one
Sixty-eight
Twenty-two
Two
Four
4-18
Twenty
One hundred and five
Seventy-five
Fifty-five
Fifty-one
Sixteen
Two
Four
4-14
One hundred
Ninety-five
Two hundred and sixty-eight
Twenty-five
Twenty
One hundred and forty
One hundred
Fifty-eight
Seventy-eight
Twenty-four
Two
Four
4-18
Twenty-five
One hundred and fifteen
Eighty-five
Sixty-five
Fifty-eight
Sixteen
Two
Four
4-14
One hundred
Ninety-five
Two hundred and sixty-eight
Thirty-two
Twenty-five
One hundred and fifty-five
One hundred and ten
Sixty-six
Eighty-two
Twenty-four
Two
Four
4-23
Thirty-two
One hundred and forty
One hundred
Seventy-eight
Sixty-six
Eighteen
Two
Four
4-18
One hundred and fifteen
One hundred and five
Two hundred and seventy-nine
Forty
Thirty-two
One hundred and seventy
One hundred and twenty-five
Seventy-six
Ninety-five
Twenty-six
Three
Four
4-23
Forty
One hundred and fifty
One hundred and ten
Eighty-five
Seventy-six
Eighteen
Three
Four
4-18
One hundred and thirty-five
One hundred and fifteen
Three hundred and thirty
Fifty
Forty
One hundred and ninety-five
One hundred and forty-five
Eighty-eight
One hundred and twelve
Twenty-eight
Three
Four
4-26
Fifty
One hundred and sixty-five
One hundred and twenty-five
One hundred
Eighty-eight
Twenty
Three
Four
4-18
One hundred and sixty
One hundred and twenty-five
Three hundred and sixty
Sixty-five
Fifty
Two hundred and twenty
One hundred and seventy
One hundred and ten
One hundred and thirty-eight
Thirty-two
Three
Four
8-26
Sixty-five
One hundred and eighty-five
One hundred and forty-five
One hundred and twenty
One hundred and ten
Twenty-two
Three
Four
8-18
One hundred and seventy-five
One hundred and sixty
Five hundred and three
Eighty
Sixty-five
Two hundred and thirty
One hundred and eighty
One hundred and twenty-one
One hundred and forty-eight
Thirty-four
Three
Four
8-26
Eighty
Two hundred
One hundred and sixty
One hundred and thirty-five
One hundred and twenty-one
Twenty-two
Three
Four
8-18
One hundred and seventy-five
One hundred and sixty
Four hundred and ninety-eight
One hundred
Eighty
Two hundred and sixty-five
Two hundred and ten
One hundred and fifty
One hundred and seventy-two
Thirty-eight
Three
Four point five
8-30
One hundred
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
One hundred and ninety
One hundred and eighty
Five hundred and thirty
One hundred and fifty
One hundred
Three hundred and fifty-five
Two hundred and ninety
Two hundred and four
Two hundred and fifty
Forty-six
Three
Four point five
12-34
One hundred and fifty
Three hundred
Two hundred and fifty
Two hundred and eighteen
Two hundred and four
Thirty
Three
Four point five
8-26
Two hundred and eighty
Two hundred and sixty
Six hundred and fifty-seven

Eight, notice: (national standard)
1, A: product name, type, nominal diameter B, medium temperature, and the pressure range of C, whether there are accessories, delivery, special requirements so that we can correct for your selection.
2, if the unit has been selected by the design Zhongwei company valve type, please according to the parameters of the valve and direct sales center in great order.
3, when you use the occasion is very important or complicated, please provide the design drawings and detailed parameters, our engineers will concentrate on your expert review and analysis.


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