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Bellow Seal Cage Adjusting Valve

Bellow Seal Cage Adjusting Valve

Cage Guided Control Valve, cage guided, owning single seat, perforated and separated cage, high performance balanced seal ring and pressure balanced trim, is characterized by excellent dynamic stability, high control precision, large allowable shut pressure drops, good anti-cavitation, obvious...

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Product Details

The bellow cartridge is welded to both the Valve Bonnet and the Valve stem. The bellow cartridge has a number of convolutions and these convolutions become compressed or expanded depending upon the movement of Valve stem. (Scientifically speaking the bellow gets compressed when the Valve is in the open position and expanded when the Valve is in the closed condition). It is important to properly install the Valve bodies. The bellow can be sealed to the Valves in two different ways. Firstly, the bellow can be welded to the Valve stem at the top and the Valve body on the bottom. In this case the process fluid is contained inside the bellow or in second method the bellow is welded to the Valve stem at the bottom and the body on the top. In this case the process fluid is contained in the annular region between the Valve Bonnet and bellow (from the outside).

The bellow is a critical component and forms the heart of the bellow seal Valves. To avoid any twisting of the bellow the Valve must have a stem with linear movement only. This can be achieved using a so-called sleeve-nut at the Yoke portion of the Valve Bonnet. A handwheel is fitted onto the sleeve-nut which effectively transfers a rotary motion of the handwheel into a linear motion in the Valve stem.

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The cage valve plug drawing

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Trim Features:    Cage Guided Type, Balanced Trim Structure, With balanced seal ring structure

Body Type:       Straight-Through Type, Angle Type

Bonnet Type:     Standard Type, Heat Dissipation Type ( Or say Heat Radiation Type), Cryogenic Type, Bellow Type

Flow Characteristic: Equal Percentage, Linear, Quick Open

Shut-Off Class:    ASME B16.104 V (Standard Metal Seat), ASME B16.104 VI( Shut-off Soft Seat)

Pipe Connection Type: Flange Type, Butt welding Type

Applicable Temperature Range: -196°C -  570 °C

Actuator Type:    Pneumatic Diaphragm Actuator, Pneumatic Piston Actuator, Electric Actuator.

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Hoyee is a professional manufacturer of industrial valves provides performance, safety and long service life products which have to reliably handle the most aggressive of substances, our products stand the test of time in chemical, textile, transportation, pharmaceutical, pulp & paper, mining, boiler and power industries.

Hoyee give comprehensive service from start to finish, encompassing consultation through to after sales service, full support in every respect and ensure that you are accompanied at each stage of your project.


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Packing Details: Wooden box and plywood case, standard export  packing.
In addition that we can  design and pack as your request.
Delivery Details : Shipped in 5-15 days after payment.

 

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1.Q: I want someone to provide all the control valve system products,to accept my small qty order,And customized products

A:Hoyee manufacture all the range of automation control valve products,accept small QTY Order and support customized service

 

2.Q: I want to build up my own factory,but i have no experience,don't know how to choose the right product.

A:As a company with 15 years' experience in valve industry,Hoyee can design your plant and provide suitable production machines according to your capacity,quality level and other customized requirements

 

3.Q:No good and stable product, high cost and poor quality, no supplier can provide all the raw materials, and the sales are not professional.

A: Hoyee have a long stable relationship with raw material suppliers and entire incoming quality control system , guaranteeing products’ stability and quality. One-stop purchasing our stable, mature materials and formulas reduces the cost.

 

4.A: We don’t know how to install or repair machines, need long term technical services, and even ask for engineers.

We provide long and regular quality technical services, with the technical supporting from the engineers team with over 8 years’ experience in valve industry, and we will dispatch them to our clients’ factories to provide specific training and make sure every partner factory will operate well.

 

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 Mail address:
Infor@hoyeevalve.com
 Website:
www.hoyeevalve.com


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