Gold Member Since 2014
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Shanghai AEAD Technology Co., Ltd.

Control Valve, Valve, Industrial Valve manufacturer / supplier in China, offering Pneumatic Bellows Seal Control Valve China Supplier, Digital Air Turbine Flow Meter, Cheap Smart 3051 Pressure Transmitter and so on.

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Pneumatic Bellows Seal Control Valve China Supplier

FOB Price: US $1,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1,000/ Piece
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Production Capacity: 500
Payment Terms: L/C, T/T

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Basic Info
  • Material: Alloy
  • Driving Mode: Pneumatic
  • Channel: Straight Through Type
  • Type: Fixed Ball Valve
  • Temperature: Normal Temperature
  • Item: Globe Valve
  • Body Materials: Zg230~450, Zg1cr18ni9
  • Temp Range: -196 C to +566 C
  • Gland Packing: PTFE, Braided PTFE, Grafoil
  • Trademark: AEAD
  • Connection Form: Flange
  • Nominal Pressure: PN1.0-32.0MPa
  • Structure: Fixed Ball Valve
  • Function: Bypass-Valve
  • Application: Industrial Usage, Water Industrial Usage
  • Size: Dn15~Dn250
  • Trim Materials: 304L, 316L
  • Connection: Flanged, Socket Welding, Butt Welding
  • Leakage: Class IV
  • 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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