Shanghai, China
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Control Valve, Valve, Industrial Valve manufacturer / supplier in China, offering Pneumatic Bellows Seal Control Valve China Supplier, Non Contact Radar Level Transmitter, 3mm Random Error Radar Level Sensor (A+E 62LB) and so on.

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Pneumatic Bellows Seal Control Valve China Supplier

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Min. Order / Reference FOB Price
1 Piece US $1,000/ Piece
Production Capacity: 500
Payment Terms: L/C, T/T
Material: Alloy
Connection Form: Flange
Driving Mode: Pneumatic
Nominal Pressure: PN1.0-32.0MPa
Channel: Straight Through Type
Structure: Fixed Ball Valve

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Basic Info

Type: Fixed Ball Valve
Function: Bypass-Valve
Temperature: Normal Temperature
Application: Industrial Usage, Water Industrial Usage
Item: Globe Valve
Size: Dn15~Dn250
Body Materials: Zg230~450, Zg1cr18ni9
Trim Materials: 304L, 316L
Temp Range: -196 C to +566 C
Connection: Flanged, Socket Welding, Butt Welding
Gland Packing: PTFE, Braided PTFE, Grafoil
Leakage: Class IV
Trademark: AEAD
Origin: Shanghai, Cn

Product Description

Pneumatic Bellows Seal Control Valve China Supplier

Pneumatic Bellows Seal Control Valve China Supplier


AEAD Pneumatic bellows seal control valve is a top entry globe type valve, which is manufactured

under ISO 9001 quality assurance system. The body channel is streamlined by S shape with low 

pressure loss, high capacity, wide regulating range, and high accuracy in flow characteristics. Bellows

seal bonnet can reduce the possibility that the processing medium let out from the backlash of stem

moving. This is one remarkable characteristic of bellows seal valve. As the deformation and anti-ageing of the bellows seal control valve, these kinds of valve have totally overcame the disadvantage of packing ageing and sensitivity of temperature difference of packing seal valve. It has a wide application in the auto control systems with the special rare medium, such as poison, strong corrosion, and radioactivity. The plug features with guiding area and good vibration resistance. The control valve is equipped with mult-spring diaphragm actuator and compact in structure as well as big in output force. This valve is designed to control a broad variety of fluids, like steam, water, most of the medium and gases. 



1. Reduced trim can be chosen to provide wide capabilities for site applications 
2. Bellows seal bonnet to prevent the leakage from the backlash of stem moving
3. Pneumatic diaphragm actuator for wide application
4. Balanced trims are suitable for high pressure drop and shutoff 
5. Hardened trims to handle high pressure drop applications
6. Bellows seal for special medium
7. Extended bonnet for low temperature 
8. Finned bonnet for high temperature 
9. Higher maximum valve flow coefficients 
10. Bigger body volume to reduce cavitations


Technical Specifications

1. Body type: Globe control valve type

2. Size: DN15~DN250 (3/4" to 10")

3. Pressure Class: PN16,PN40,PN64. ANSI 150,ANSI300,ANSI600

4. Characteristics: Equal Percentage, Linear, quick open

5. Body Materials: ZG230~450, ZG1Cr18Ni9, WCB, LCB, CF8M, CF3M

6. Trim materials: 304, 316, 304L, 316L

7. Temp range: -196°C to +566°C

8. Connection: Flanged, Socket welding, Butt welding

9. Leakage: Class IV (Metal seat, standard), Class V, Class VI (Soft seat, zero leakage)

10. Actuator: Pneumatic diaphragm actuator, Piston

11. Positioner: High Performance Smart positioner (Explosive proof and HART Protocol are available)

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