| Product name: | ZMAQ(M) pneumatic diaphragm cut-off valve | ||||||
| specification: | ![]() |
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| Category: | Pump valve fittings -- control valve | ||||||
| Price: | factory price | ||||||
| Brand: | Shanghai | ||||||
| Place of Origin: | China | ||||||
| Available Quantity: | batch | ||||||
| delivery cycle: | Spot goods (or inquire by telephone) | ||||||
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The ZMAQ (M) pneumatic diaphragm cut-off valve is the execution unit of the pneumatic unit combination instrument. It has the advantages of simple structure, high operating force, small size, light weight, low flow resistance, large valve capacity, good sealing performance, and easy maintenance. And it is widely used in automation control systems in production processes such as petroleum, chemical, metallurgical, power, and textile industries.
Main Performance and Technical Parameters
|
Nominal diameter DN (mm) |
fifteen |
twenty |
twenty-five |
thirty-two |
forty |
fifty |
sixty-five |
eighty |
one hundred |
one hundred and twenty-five |
one hundred and fifty |
two hundred | |
|
Rated flow coefficient kv |
sleeve |
eleven |
twenty |
thirty |
forty-eight |
seventy-five |
one hundred and twenty |
one hundred and ninety |
three hundred |
four hundred and eighty |
seven hundred and sixty | ||
|
Single seat |
five |
seven |
eleven |
twenty |
thirty |
forty-eight |
seventy-five |
one hundred and twenty |
one hundred and ninety |
three hundred |
four hundred and eighty |
seven hundred and sixty | |
|
three-way | |||||||||||||
|
Rated stroke (mm) |
eight |
twelve |
twenty |
twenty-five |
forty |
fifty | |||||||
|
Allowable leakage amount |
Hard seal (L/H) |
Sleeve 5 × 10-5 valve rated capacity, single seat, tee 1.2 × 10-7 × valve rated capacity | |||||||||||
|
Soft seal (ml/min) |
None | ||||||||||||
|
Medium temperature ℃ |
-200~+200, -40~+450 | ||||||||||||
|
Effective area of membrane (cm2) (membrane type cut-off valve) |
one hundred |
two hundred |
four hundred |
six hundred |
one thousand | ||||||||
|
Nominal pressure PN (MPa) |
1.6 4.0 6.4 | ||||||||||||
|
Allowable pressure difference (MPa) |
Single seat |
six point four |
six point four |
three point eight |
two point five |
two point nine |
one point eight |
two |
one point three |
zero point eight three |
zero point eight |
zero point five five |
zero point five two |
|
sleeve |
six point four | ||||||||||||
|
Signal pressure KPa |
200 (film sheet) | ||||||||||||
|
valve body |
Ht200 ZG230-450\ZG1Cr18Ni9Ti | ||||||||||||
|
Valve plug sleeve |
1Cr18Ni9Ti Cr18Ni12Mo2Ti | ||||||||||||
|
Valve core and seat |
1Cr18Ni9Ti Cr18Ni12Mo2Ti | ||||||||||||
|
Packing material |
Polytetrafluoroethylene flexible graphite | ||||||||||||
|
Can be equipped with accessories |
Air filter pressure reducer, solenoid valve, valve position feedback device, etc | ||||||||||||
Pneumatic diaphragm cut-off valve
|
Nominal diameter (mm) |
fifteen |
twenty |
twenty-five |
thirty-two |
forty |
fifty |
sixty-five |
eighty |
one hundred |
one hundred and twenty-five |
one hundred and fifty |
two hundred | |
|
Rated flow coefficient |
five |
eight |
twelve |
seventeen |
twenty-nine |
forty-three |
seventy |
one hundred and ten |
one hundred and sixty-five |
two hundred and seventy-five |
four hundred and forty |
six hundred and ninety | |
|
A(mm) |
one hundred and ninety-four |
two hundred and thirty |
three hundred and six |
three hundred and ninety-four |
four hundred and ninety-six | ||||||||
|
L(mm) |
PN16 |
one hundred and fifty |
one hundred and sixty |
one hundred and eighty |
two hundred |
two hundred and thirty |
two hundred and ninety |
three hundred and ten |
three hundred and fifty |
four hundred |
four hundred and eighty |
six hundred | |
|
PN64 |
two hundred and thirty |
two hundred and sixty |
three hundred |
three hundred and forty |
three hundred and eighty |
four hundred and thirty |
five hundred |
five hundred and fifty |
six hundred and fifty | ||||
|
D(mm) |
PN16 |
ninety-five |
one hundred and five |
one hundred and fifteen |
one hundred and forty |
one hundred and fifty |
one hundred and sixty-five |
one hundred and eighty-five |
two hundred |
two hundred and twenty |
two hundred and fifty |
two hundred and eighty-five |
three hundred and forty |
|
PN64 |
one hundred and five |
one hundred and thirty |
one hundred and forty |
one hundred and fifty-five |
one hundred and seventy |
one hundred and eighty |
two hundred and five |
two hundred and fifteen |
two hundred and fifty |
two hundred and ninety-five |
three hundred and forty-five |
four hundred and fifteen | |
|
H2(mm) |
three hundred and twenty-five |
three hundred and forty-six |
three hundred and sixty |
three hundred and sixty-nine |
four hundred and seventy-seven |
five hundred and seventeen |
five hundred and forty |
seven hundred and forty-two |
eight hundred and twenty-two |
eight hundred and seventy-seven | |||
|
Nominal diameter (mm) |
twenty |
twenty-five |
thirty-two |
forty |
fifty |
sixty-five |
eighty |
one hundred |
one hundred and twenty-five |
one hundred and fifty |
two hundred | |
|
Rated flow coefficient |
eight |
twelve |
seventeen |
twenty-nine |
forty-three |
seventy |
one hundred and ten |
one hundred and sixty-five |
two hundred and seventy-five |
four hundred and forty |
six hundred and ninety | |
|
H3(mm) |
three hundred and ninety-eight |
three hundred and ninety-two |
four hundred and four |
four hundred and twenty-seven |
four hundred and forty-three |
five hundred and thirty-two |
five hundred and fifty-eight |
five hundred and seventy-seven |
seven hundred and twenty-eight |
nine hundred and forty |
nine hundred and ninety-five | |
|
A(mm) |
one hundred and ninety-four |
two hundred and thirty |
three hundred and six |
three hundred and ninety-four |
four hundred and ninety-six | |||||||
|
L(mm) |
PN16 |
one hundred and fifty |
one hundred and sixty |
one hundred and eighty |
two hundred |
two hundred and thirty |
two hundred and ninety |
three hundred and ten |
three hundred and fifty |
four hundred |
four hundred and eighty |
six hundred |
|
PN64 |
two hundred and thirty |
two hundred and sixty |
three hundred |
three hundred and forty |
three hundred and eighty |
four hundred and thirty |
five hundred |
five hundred and fifty |
six hundred and fifty | |||
|
D(mm) |
PN16 |
one hundred and five |
one hundred and fifteen |
one hundred and forty |
one hundred and fifty |
one hundred and sixty-five |
one hundred and eighty-five |
two hundred |
two hundred and twenty |
two hundred and fifty |
two hundred and eighty-five |
three hundred and forty |
|
PN64 |
one hundred and thirty |
one hundred and forty |
one hundred and fifty-five |
one hundred and seventy |
one hundred and eighty |
two hundred and five |
two hundred and fifteen |
two hundred and fifty |
two hundred and ninety-five |
three hundred and forty-five |
four hundred and fifteen | |