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Pneumatic lining butterfly valve

Pneumatic lining butterfly valve
  • sell:021-32051999
  • sell:021-32050777
  • fax:021-66099555

Details

  • Product Introduction
  • Service Promise
  • Ordering Process

Pneumatic fluorine-lined butterfly valve (also known as corrosion-resistant pneumatic butterfly valve) is composed of pneumatic piston actuator and tetrafluoro-sealed butterfly valve. Fluorine-lined pneumatic butterfly valve is a kind of high molecular material with thick lining technology on the over-flow parts, valve body, butterfly plate and valve stem. It has excellent corrosion resistance and can be applied to any concentration of acid, alkali, salt and oxidant, reducing agent, organic solvent, etc. Medium, pneumatic fluorine-lined butterfly valve is an ideal product for intercepting and regulating equipment in gas, liquid and semi-fluid pipelines and containers of chemical, petroleum, pharmaceutical, food, steel smelting, paper making, hydropower and other systems. Fully lined polytetrafluoroethylene (F4) and polyperfluoroethylene propylene (F46) fluoroplastic lined valves have the advantages of corrosion resistance, leak-free, long service life and so on. Corrosion-resistant pneumatic butterfly valve is suitable for concentrated sulfuric acid, hydrochloric acid, nitric acid, hydrofluoric acid, Aqua regia, various organic acids, strong acids, oxidizing media or high-temperature olefinic acid, high-temperature concentrated acetic acid, acid-base alternation and a variety of organic solvents and other strong corrosive media.


Main features of pneumatic lining butterfly valve


1, small size, light weight, easy operation, easy installation and maintenance.


2, good sealing performance, reliable zero leakage and long service life.


3, the flow characteristics tend to be straight, and the regulation performance is the best.


4, simple structure, fast switching, 90 degree rotary opening and closing.


5, can replace gate valve, stop valve, plug valve, hose valve and diaphragm valve and other valves.


6. The pneumatic and electric devices can be configured to meet the needs of remote control and program control.


7, replacement of parts lining material can be applied to all kinds of media.


Main technical parameters of pneumatic lining butterfly valve


valve body


type of body
Straight through casting butterfly valve
Nominal path
DN50~1000mm
Nominal pressure
PN1.0、1.6 MPa
Flanges standard
JIS B220、JB/T79、ANSI B16.5-1981、GB/T9113、HG20594-97、HG20618-97等
Connection form
Flanged、Pair clip
Valve cover form
One in one
Capping type
Gland pressing type
Seal filler
V PTFE packing and flexible graphite filler


Valve inner parts
Valve plate form
Vertical plate type (butterfly shaped)
Flow characteristics
linear


Executive Agency


Actuator type
GT series, ST series, AT series and AW series single and double acting pneumatic actuators
Gas supply pressure
400~700KPa
air connection
G1/4"、G1/8"、G3/8"、G1/2"
ambient temperature
-30~+70℃
Form of action
Single acting actuator: B: when the gas is lost, the valve position is opened (FO); the gas opening type (K) is the valve position (FC) when the gas is lost. Double-acting actuator: air-closed type (B) - valve position retention (FL) during degassing; air-open type (K) - valve position retention (FL) single-acting double-acting pneumatic actuator during degassing
Appendable appendage
Locator, solenoid valve, air filter pressure reducer, retaining valve, stroke switch, valve position conveyor, handwheel mechanism, etc.


Note: for detailed actuator parameters, please go to the pneumatic actuator page for inspection.


Material for main parts of pneumatic lining butterfly valve


Body and base
Ductile cast steel, cast steel, stainless steel, fluorine lined
Disc
Gray cast iron, spheroidal graphite cast steel, cast steel, stainless steel and special materials, fully lined with fluorine.
Seal ring
All kinds of rubber and polytetrafluoroethylene
Stem
2Cr13, stainless steel, fully lined fluorine
filler
V PTFE packing and flexible graphite filler


Main performance index of pneumatic lining butterfly valve


Return difference
Positioner: less than full stroke.2%
Return difference
Positioner: less than full stroke.±2%
Leakage amount L / h
Comply with ANSI B16.104 IV level standard
Adjustable range R
50:1


Specification for main performance of pneumatic fluorine butterfly valves


Nominal diameter DN (mm)
50-1800
Nominal pressure
PN(MPa)
0.6
1.0
1.6
Test pressure
strength test
0.9
1.5
2.4
Seal test
0.66
1.1
1.76
Low pressure airtightness test
0.6
0.6
0.6
Applicable medium
Air, water, sewage, steam, gas, oil, etc.


Main dimensions of pneumatic fluorine butterfly valves


Nominal diameter DN (mm)
50
65
80
100
125
150
200
250
300
350
400
450
500
600
700
800
900
1000
L
90
90
100
115
130
140
150
250
270
290
310
330
350
390
430
470
500
550
L1
43
46
49
56
64
70
71
76
83
92
102
113
127
154
165
190
203
216
H
Flanged
63
70
83
105
115
137
164
206
230
248
289
320
343
413
478
525
585
640
Pair clip
63
70
83
105
115
137
164
206
230
248
289
320
343
413
478
525
585
640
n-φd
4-18
4-18
8-18
8-18
8-18
8-22
12-22
12-26
12-26
16-26
16-30
20-30
20-33
20-36
24-36
24-39
28-39
28-42
H1
Depending on the executing agency.
A
Depending on the torque required by the valve, the configuration models are different and the dimensions are different.
D
165
185
200
220
250
285
340
405
460
520
580
640
715
840
910
1025
1125
1255
D1
125
145
160
180
210
240
295
355
410
470
525
585
650
770
840
950
1050
1170


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.Pneumatic lining butterfly 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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