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Pneumatic knife gate valve

Model
Nature of the Manufacturer
Other
Product Category
Knife gate valve
Place of Origin
City, Province
Overview
Pneumatic knife gate valve
Product Details
Description:

A brief introduction:
PZ673H, PZ673X, PZ673F series Pneumatic knife gate valve Slurry and flashboard valve is one of the automatic control valve in the production process of varieties. A straight stroke piston type pneumatic actuator and knife type valve structure, equipped with a solenoid valve through the completion of the two cut off control, equipped with electric valve positioner can also complete control. The user can choose according to the actual needs. The main use of cast steel, stainless steel and other materials. Especially suitable for papermaking industry, chemical industry, coal, water, sugar and other industries to make adjustments or cut off the fluid control in the pipeline.
Two, PZ673H, PZ673X, PZ673F Pneumatic knife gate Valve characteristics:
1. knife gate slurry, dark rod and rod of both single and double seal structure; sealing structure, full circle design of the DC channel without slag, block. Processed into the bottom plate blade knife blade, a sealing ring with plane floating, floating ball arc metal sealing structure, between the gate and the metal seat is gapless hoist, on soft materials such as fiber, pulp, wood pulp with large shearing force and self-cleaning function, but also has good opening and closing function. The upper blades installed in the hard Teflon wiper can prevent dust and scratch gravel and other substances into the packing box, can significantly increase the life of blades.
2. body, filling culvert are precision casting, the whole body with flange type casting, valve plate made of stainless steel and precision processing can obtain ideal sealing effect of grinding and polishing. Compact design, small occupying space, light weight, easy installation, wear-resistant, non stick slag anti blocking measures to perfect and convenient maintenance and long service life.
3., slurry knife gate valve can be made within the V shape, U shape, triangle channel. V type gate control can be used as a regulator, the connection form of clip, flange lug, metal to metal seal, metal sealing of soft polyurethane, PTFE seal.
The 4. piston pneumatic actuator, powered by compressed air, an air pressure signal of electric - gas valve positioner or solenoid valve input, the pressure thrust on the piston, and the push rod displacement, to achieve linear motion.
5. medium: gold powder, tailings, pulp, wood pulp, fiber, dust, chemicals, sewage treatment tank, ore, slag, coal, asphalt, outlet, fruit, grain, cement slurry, slaughter wastewater etc.. Applicable temperature; soft sealing: (less than 150 DEG C (tetrafluoroethylene), polyurethane is less than or equal to 80 DEG C), seal: less than or equal to 425 DEG C. Working pressure: 0.6 ~ 1.6MPa, nominal diameter: DN40~DN900mm.
Three, Pneumatic knife gate valve Technical parameters:
Nominal pressure: 0.6MPa, 1.0MPa, 1.6MPa, 2.5MPa, 150Lb
Nominal diameter: DN50~500mm NPS 2 "~20"
Suitable temperature: 0~+200 degrees (the specific temperature range as the sealing material and the properties of the media set)
Flange: ANSI B16.5, GB/T9113, JB/T79, HG, SH, JIS, DIN, NF, BS
Main material: WCB, ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti, CF8, CF8M, CF3, CF3M
Seal type: hard seal, soft seal
Leakage: Seal: D (liquid level 0.1 * DN mm3/s): a soft seal (zero leakage)
Pneumatic actuator accessories: 1, installation flange 2, solenoid valve 3, air filter
Air pressure: 0.4~0.6MPa solenoid valve voltage: DC24V, AC220V
Four, Pneumatic knife gate valve Standard Specification for:
Design and manufacturing standards:
The structure of standard length: GB/T 12221-2005
Flange standard: GB/T 9113
Pressure temperature rating: GB/T 12224-2005
Test standards: GB/T 13927-2008
Five, the main components of materials:

Material code
C (WCB)
P (304)
R (316)
The main parts
valve body
WCB
ZG1Cr18Ni9Ti
ZG1Cr18Ni12Mo2Ti
Bracket
WCB
ZG1Cr18Ni9Ti
ZG1Cr18Ni12Mo2Ti
Gland
WCB
ZG1Cr18Ni9Ti
ZG1Cr18Ni12Mo2Ti
Valve plate
2Cr13, (304)
1Cr18Ni9Ti
1Cr18Ni12MoTi
The stem
2Cr13, (304)
1Cr18Ni9Ti
1Cr18Ni12MoTi
Seat Tightness
Polyurethane, hard alloy steel, PTFE, Polyparaphenylene
filler
PTFE, flexible graphite


Six, the main technical performance of the actuator:

The cylinder diameter (mm)
Phi 40
Phi 50
Phi 63
Phi 80
Phi 100
Phi 125
Phi 160
Phi 200
Phi 250
The theory of piston force (n) with 0.4MPa as the standard pressure
thrust
Four hundred and ninety
Seven hundred and sixty
One thousand two hundred and fifteen
One thousand nine hundred and sixty
Three thousand and seventy-seven
Four thousand and eight hundred
Seven thousand eight hundred and sixty-nine
Twelve thousand three hundred and eight
Nineteen thousand two hundred and twenty-seven
pull
Four hundred and ten
Six hundred and eighty
One thousand and thirty
One thousand seven hundred and seventy
Two thousand six hundred and seventy-five
Four thousand and four hundred
Seven thousand three hundred and seventy-nine
Ten thousand and thirty-five
Eighteen thousand four hundred and sixty-three
Range (mm)
Four hundred
Five hundred
Eight hundred
Eight hundred
One thousand and five hundred
One thousand and five hundred
Two thousand
Two thousand
Two thousand and five hundred
Working medium
The purification of compressed air, nitrogen type oil mist
Air pressure (MPa)
0.15-1.0
The ambient temperature (c)
-10~+80
relative humidity
Ninety-five
The piston speed (mm/g)
50-500
Durability (kM)
Six hundred
Can be equipped with accessories
Solenoid valve, limit switch, reply triple parts, gas electric - gas valve positioner

Seven, pneumatic knife gate valve shape and connection dimensions:

Path
PN0.6MPa
PN1.0MPa
PN1.6MPa
DN
L
D1
D2
H
N-M
L
D1
D2
H
N-M
L
D1
D2
H
N-M
Fifty
Fifty
Ninety
One hundred and ten
Three hundred and thirty-five
4-M12
Fifty
One hundred
One hundred and twenty-five
Three hundred and thirty-five
4-M16
Sixty
One hundred
One hundred and twenty-five
Three hundred and thirty-five
4-M16
Sixty-five
Fifty
One hundred and ten
One hundred and thirty
Three hundred and sixty-three
4-M12
Fifty
One hundred and twenty
One hundred and forty-five
Three hundred and sixty-three
4-M16
Sixty
One hundred and twenty
One hundred and forty-five
Three hundred and sixty-three
4-M16
Eighty
Fifty
One hundred and twenty-five
One hundred and fifty
Three hundred and ninety-five
4-M16
Fifty
One hundred and thirty-five
One hundred and sixty
Three hundred and ninety-five
4-M16
Sixty
One hundred and thirty-five
One hundred and sixty
Three hundred and ninety-five
8-M16
One hundred
Fifty-five
One hundred and forty-five
One hundred and seventy
Four hundred and sixty-five
4-M16
Fifty-five
One hundred and fifty-five
One hundred and eighty
Four hundred and sixty-five
8-M16
Sixty
One hundred and fifty-five
One hundred and eighty
Four hundred and eighty
8-M16
One hundred and twenty-five
Fifty-five
One hundred and seventy-five
Two hundred
Five hundred and thirty
8-M16
Fifty-five
One hundred and eighty-five
Two hundred and ten
Five hundred and thirty
8-M16
Sixty
One hundred and eighty-five
Two hundred and ten
Five hundred and forty
8-M16
One hundred and fifty
Sixty
Two hundred
Two hundred and twenty-five
Six hundred and thirty
8-M16
Sixty
Two hundred and ten
Two hundred and forty
Six hundred and thirty
8-M20
Seventy
Two hundred and ten
Two hundred and forty
Six hundred and forty-five
8-M20
Two hundred
Sixty
Two hundred and fifty-five
Two hundred and eighty
Seven hundred and fifty
8-M16
Sixty
Two hundred and sixty-five
Two hundred and ninety-five
Seven hundred and fifty
8-M20
Eighty
Two hundred and sixty-five
Two hundred and ninety-five
Seven hundred and seventy
12-M20
Two hundred and fifty
Eighty
Three hundred and ten
Three hundred and thirty-five
Nine hundred
12-M16
Eighty
Three hundred and twenty
Three hundred and fifty
Nine hundred
12-M20
Eighty-six
Three hundred and twenty
Three hundred and fifty-five
Nine hundred and twenty
12-M22
Three hundred
Ninety
Three hundred and sixty-two
Three hundred and ninety-five
One thousand one hundred and twenty
12-M20
Ninety
Three hundred and sixty-eight
Four hundred
One thousand one hundred and twenty
12-M20
Ninety-two
Three hundred and seventy-five
Four hundred and ten
One thousand one hundred and fifty
12-M22
Three hundred and fifty
One hundred
Four hundred and twelve
Four hundred and forty-five
One thousand two hundred and sixty
12-M20
One hundred
Four hundred and twenty-eight
Four hundred and sixty
One thousand two hundred and sixty
16-M20
One hundred
Four hundred and thirty-five
Four hundred and seventy
One thousand and three hundred
16-M22
Four hundred
One hundred
Four hundred and sixty-two
Four hundred and ninety-five
One thousand four hundred and fifty
16-M20
One hundred
Four hundred and eighty-two
Five hundred and twenty
One thousand four hundred and fifty
16-M22
One hundred
Four hundred and eighty-five
Five hundred and twenty-five
One thousand and five hundred
16-M27
Four hundred and fifty
One hundred and twenty
Five hundred and eighteen
Five hundred and fifty
One thousand and six hundred
16-M20
One hundred and twenty
Five hundred and thirty-two
Five hundred and sixty-five
One thousand and six hundred
20-M22
One hundred and twenty
Five hundred and forty-five
Five hundred and eighty-five
One thousand six hundred and fifty
20-M27
Five hundred
One hundred and twenty
Five thousand nine hundred and sixty-eight
Six hundred
One thousand and eight hundred
16-M20
One hundred and twenty
Five hundred and eighty-five
Six hundred and twenty
One thousand and eight hundred
20-M22
One hundred and thirty
Six hundred and eight
Six hundred and fifty
One thousand eight hundred and fifty
20-M30
Six hundred
One hundred and twenty
Six hundred and seventy
Seven hundred and five
Two thousand and three hundred
20-M22
One hundred and twenty
Six hundred and eighty-five
Seven hundred and twenty-five
Two thousand and three hundred
20-M27
One hundred and thirty
Seven hundred and eighteen
Seven hundred and seventy
Two thousand three hundred and sixty
20-M36

Eight, ordering:
1, customers have special requirements for products, must be in the contract to provide the following instructions:
2, the length of the structure, the connection form of nominal diameter, full size, shrinkage, pipe size, and according to the medium temperature and pressure, test, inspection standards and other requirements
3, if the unit has been selected by the design model of our products, please press the model directly to our sales department order;
4, this field according to the special requirements of customers of all kinds of driving device configuration. If necessary, please contact our technical department.
5, when the occasion is very important, or more complex piping when you try to provide design drawings and detailed parameters by Zhongwei Technology Department audit checks for you.




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