Customizable Heavy-Duty Pneumatic Sleeve Industrial Control Valve

Product Description

Product Parameters

 

1. Excellent Stability and Low Vibration (Core Advantage)

• Large Guiding Area: The valve plug is closely guided inside the sleeve, providing a much larger guiding area compared to ordinary single-seat or double-seat valves.

• Strong Vibration Resistance: This solid guidance significantly reduces vibration and wobble of the valve plug caused by high-pressure differentials and high-flow fluid impact, ensuring stable valve operation and extending service life.

2. Superior Noise Reduction and Anti-Cavitation Performance

• Multi-Hole Design: The sleeve sidewall is typically designed with multiple, specially shaped windows or small holes (multi-stage pressure reduction).

• Staged Pressure Reduction: As fluid passes through the sleeve, the pressure is broken down into multiple stages and reduced step-by-step, avoiding the intense energy release that can occur with single-stage pressure reduction.

• Effect: This effectively reduces noise and prevents or mitigates damage to valve internals from cavitation and flashing, making it particularly suitable for high-pressure differential conditions.

3. High Capacity and Large Turndown Ratio

• Large Flow Coefficient (Cv): Since the flow area of the sleeve windows can be designed to be very large, sleeve valves typically have a high flow coefficient and can handle greater flow rates.

• Wide Adjustable Range: By altering the shape of the sleeve windows, a wider, linear, or equal percentage flow characteristic can be achieved, meeting a broader range of process control requirements.

4. Balanced Plug Structure

• Dynamic Pressure Balance: Pressure balance holes are typically designed in the sleeve and plug, causing fluid pressure on the upper and lower sides of the plug to cancel each other out.

• Benefits:

  • Smaller Actuator Thrust Required: Since most of the unbalance force is offset, less air supply pressure is needed to actuate the valve, allowing for the selection of smaller, more economical actuators.

  • High Shutoff Capability: Even under high pressure differentials, the valve can achieve tight shutoff (especially when paired with a soft seat).

5. Easy Maintenance and Strong Interchangeability

• Quick Disassembly and Assembly: The sleeve is typically pressed inside the valve body, allowing the entire trim (plug, sleeve, seat assembly) to be removed from the top without disassembling the valve body.

• Modular Design: The trim assembly is easy to replace, making maintenance and overhaul very convenient and significantly reducing downtime.

• Interchangeable Parts: By replacing the sleeve and plug with different window characteristics, the valve's flow characteristic or capacity can be changed without altering the valve body, offering great flexibility.

6. Strong Versatility and High Reliability

• Wide Applicability: Capable of handling control tasks from to high temperatures, low to high pressure, and various corrosive and clean media.

• Rugged and Durable: Its robust structural design makes it ideal for heavy-duty applications such as boiler feedwater control, steam pressure regulation, and high-pressure gas transmission.

 

Company Profile

 

 

Production Process

 

 

 

 

 

 

 

 

 

 

FAQ

Q1.What is the Trade Term?
A1:Ex-work factory , FOB Guangzhou, FOB shenzhen, CIF

Q2. How long is the guarantee (period)?
A2:Three years quality warranty .

Q3.How many colors for selection ? 
A3:More than 30 colors. We will provide you the color card , pls choose your favorite from it.

Q4.How long is our Production leading time?
A4:within 15-20 days upon receive deposit in normal season, and 25-30days in our busy time(August,September,October).

Q5.What is the Payment term?
A5:T/T or L/C at sight. 30% Deposit for start the production ,the balance before the shipment when goods are ready.

Q6.What is the packing details?
A6:Knock down Packing with the carton boxes ,and inside with the pear cotton for protection. Glass parts are packed with
wooden frame outsides to protect the items.

Q7. What support you will have to assemble this furniture?
A7: Inside each packing of the office table products ,we have put the exactly instruction book ,you can assemble the office
table very easy .

Q8.What kind of documents we will provide to you?
A8:B/L,Commercial Invoice, Packing List,Certificate of Original. with these documents you or your borker can do the customs
declaration at your side.

Q9. During shipping, if there is a damage to products, how do you get replacement?
A9: During shipping,our shipping angancy will try to ensure the safety of the goods.If there is a damage to products, they would
be responsible for the damage .If it is not a very serious problems,we will help you and compensate you the damaged parts.

Q10. If there are any missing parts in our shipment, how long it takes for you to send?
A10: If there is some small missing components,we will DHL to you ASAP within one week.