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ZSQP pneumatic piston cut-off valve

ZSQP pneumatic piston cut-off valve
  • sell:021-32051999
  • sell:021-32050777
  • fax:021-66099555

Details

  • Product Introduction
  • Service Promise
  • Ordering Process

ZSQP Pneumatic Piston Cut-off Valve (referred to as Piston Cut-off Valve) is the executive unit of the pneumatic unit combination instrument. It receives signals from the regulator to control the shut-off and switching-on or switching-off of the fluid in the process pipeline. The product has the advantages of large operating force, novel valve body design, small flow resistance, large rated flow coefficient, large allowable pressure difference and excellent sealing performance. Therefore, it is widely used in automatic control and remote control system of production process in petroleum, chemical industry, metallurgy, electric power, light textile and other industrial departments.


Characteristic


Pneumatic piston cut-off valve is composed of two parts: pneumatic piston actuator and straight stroke regulating mechanism, and the middle part is connected by bracket. According to the type of regulating mechanism, the pneumatic piston cut-off valve can be divided into three types: through single-seat cut-off valve (ZSQP), through sleeve cut-off valve (ZSQM) and two-position three-way cut-off valve (ZSQN). Pneumatic piston actuator has two functions: single acting (spring reset) and double acting (double intake). Single-acting actuator is adopted, and the whole machine can be divided into air-closing type (horizontal pipeline connection) and air-opening type (horizontal pipeline disconnection). Pneumatic piston cut-off valve has hard seal and soft seal, which are suitable for different temperatures and pressures.


When the signal pressure is zero, the spool is in the initial state (normally open or normally closed) due to the pre-tightening force of the spring (only one action). When the actuator receives the signal pressure (0.4-0.6 MPa), the piston produces thrust, compresses the spring, and drives the push rod, valve body and valve core to the limit position, so that the valve is fully open or closed. It can control the connection of medium, cut off or switch between pipelines. With the two position three way solenoid valve, the piston type shut-off valve is controlled more conveniently and simply.


Connection size and standard of pneumatic piston cut-off valve


Flange standard: cast iron flange GB4216-84 cast steel flange GB9113-88, JB/T79 - 94


Flange sealing face type: PN16 is convex PN40 and 64 is concave convex, and valve body is concave.


Structure length: GB12221-89


Actuator signal interface: M10X1


* valve flange and flange end distance can be manufactured according to user specified standards.


Such as: ANSI, JIS, DIN and other standards.

Pneumatic piston shut-off valve main parts material


Valve body: HT200, ZG230~450 or above material lining.


Diaphragm: Ding Quan, natural rubber, polytetrafluoroethylene ripple.


Film: NBR reinforced polyester fabric.


Spring: 60S12Mn valve body lining material and scope of application


Main technical parameters of pneumatic piston cut-off valve


公稱通徑 DN(mm)
20
25
32
40
50
65
80
100
額定流量系數(shù) Kv
7
11
20
30
48
75
120
190
額定行程 (mm)
8
12
20
25
氣缸直徑 (mm)
75
100
150
允許泄漏量
硬密封 (1/h)
單座、三通: 1.2X10 -7 X 閥額定容量
套筒: 5X10 -6 X 閥額定容量
軟密封
VI 級(jí)
工作溫度 ( ℃ )
-20 ~ 200 -40 ~ 450
公稱壓力 PN (MPa)
1.6 4.0 6.4
允許壓差
(MPa)
ZSQP
單作用
1.16
0.66
0.38
0.6
0.39
0.47
0.31
0.20
雙作用
6.4
5.0
2.8
3.3
2.13
2.71
1.75
1.11
ZSQM
單作用
公稱壓力
雙作用
ZSQN
單作用
0.89
0.57
0.35
0.56
0.36
0.45
0.30
0.20
雙作用
5.2
3.22
2.03
2.27
1.46
2.00
1.32
0.85
信號(hào)壓力 (kPa)
0 或 400 ~ 600


The executive agencies listed in the table are of standard configuration and can be selected according to process requirements.
Main dimensions of pneumatic piston cut-off valve


公稱通徑 DN
L
A
H
L 1
H 1
A 1
重量 (Kg)
信號(hào)接頭內(nèi)螺紋
20
150
130
220
80
115
100
-
M10X1
25
160
130
220
80
120
100
-
32
180
150
235
80
130
100
-
40
200
150
235
95
138
120
-
50
230
150
240
95
155
120
-
65
290
280
250
105
178
160
-
80
310
280
260
105
207
160
-
100
350
280
265
105
222
160
-


The best quality, first-class service Qigao creates more value for you!

"Qigao Valve" expects to continuously improve service quality and strive for excellence. "Sincere service" is the eternal theme of "Qigao". "Qigao" strictly followsIS09001-2000 Quality system certification requirements, strict quality control, responsibility to people, to ensure the healthy operation of production, sales and service. Strengthen communication with users and provide quality products to our customers with perfection and perfect service. Hereby our factory makes the following commitments:

Product Standards:

Products in strict accordance with ChinaGB、HG Standard and USAPISuch as standard design, manufacturing, acceptance. The hardness of the sealing surface meets the requirements of the state and the width exceeds the national standard.

pre-sale service:

Product introduction, technical exchange, non-standard product design, troubleshooting。

Sale service:

A trustworthy contract guarantees timely delivery and keeps in touch with customers. For special or duplicate products, our factory arranges technicians to use and troubleshoot the products for users.

After sales service:

1、"Qigao" brand product quality period is from the factory12In the month, the implementation of the "three guarantees" service (return, replacement, warranty).

2、During the use of our products, our factory regularly organizes technical and quality inspection personnel to visit and consult users for feedback on product quality, usage status and improvement opinions, so as to further improve product quality.

3、Respond quickly to the quality of user complaints, after-sales service personnel rushed to the scene in 24-36 hours (48 hours outside the province).

4、For after-sales service, users are required to fill out the quality feedback information form after the service and make an appraisal opinion in order to improve the service quality of Qigao.

1、If the customer has special requirements for the product, the following instructions must be provided in the order contract.:

a、Structure length;

b、Connection Type;

c、Nominal diameter, full diameter, reduced diameter, pipe size;

d、Operating medium and temperature, pressure range;

e、Tests, inspection standards and other requirements

2、The factory can configure various types of driving devices according to customer's specific requirements.。

3、If the type and model of the valve are determined by the customer, the customer shall correctly state the meaning and requirements of the model and sign the contract under the condition that the supplier and the buyer understand each other.

4、For futures and order customers, please call us in advance to tell the required valve model, specification, quantity, delivery time and location, and timely transfer to the factory account according to the total 30% deposit or full payment. The rest of the payment is pending. Import before shipment to arrange delivery in time.

 

Order Process:

1、Customer purchase list fax to021-33872143,Or call us 021-33872141

2、Receive customer purchase list, provide valve model selection and quotation (price list)。

3、Specific agreement: delivery date, special requirements, etc.。

download Google:

1、If the customer has special requirements for the product, the following instructions must be provided in the order contract.:

a、Structure length;

b、Connection Type;

c、Nominal diameter, full diameter, reduced diameter, pipe size;

d、Operating medium and temperature, pressure range;

e、Tests, inspection standards and other requirements

2、The factory can configure various types of driving devices according to customer's specific requirements.。

3、If the type and model of the valve are determined by the customer, the customer shall correctly state the meaning and requirements of the model and sign the contract under the condition that the supplier and the buyer understand each other.

4、For futures and order customers, please call us first to tell the required valve model, specifications, quantity, delivery time and location, and press the total30%The deposit or full payment will be remitted to our factory account in time., The rest of the payment will be remitted before shipment to arrange delivery in time.。

Sale service:

Trustworthy contract, guarantee timely delivery, keep in touch with customers at any time。

For special or duplicate products, our factory arranges technicians to use and troubleshoot the products for users.

After sales service:

1、"Qigao" product quality period is from the factory12Month, practiceThree packsService (return, replacement, warranty)。

2、During the use of our products, our factory regularly organizes technical and quality inspection personnel to visit and consult users for feedback on product quality, usage status and improvement opinions.,
In order to further improve product quality。

3、Respond quickly to the quality of user complaints, after-sales service personnel24-36Hours (outside the province48Hour) rushed to the scene。

4、For after-sales service, the user is required to fill out the quality feedback information form after the service and make an appraisal opinion in order to improve the service quality of “Qigao”.。

statement

  1. All text, data and pictures in this article are for reference only.ZSQP pneumatic piston cut-off valvePlease contact us at 4000-700-665 for details of performance, size and price.
  2. If there is no explanation, this article is original, reprint, please indicate the address of this article, thank you for your cooperation!
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