904L Pneumatic Sleeve Plug Valve

NSV 904L Pneumatic Sleeve Plug Valve

This NSV Pneumatic Sleeve Plug Valve combines a sleeve-type sealing design with pneumatic actuation for 90°rapid on/off control, ideal for automated systems. With a simple structure and double gland design, it ensures reliable stem sealing and truly maintenance-free operation with long-term stability.

Key Features

Valve type: Sleeve Plug-one-piece polymer sleeve, no metal-to-metal contact

Actuation: Pneumatic (double/spring-return)

Cycle time: ≤2 seconds (typical)

Low operating torque--smaller, cost-effective actuators

Bi-directional sealing--no flow direction restriction

Stem sealing: Double Gland Design for enhanced reliability

End connection: Flanged (RF/FF)

Size range: 1/2"–20" (DN15–DN500)

Pressure rating: Class 150 / 300 / 600 / 900 / 1500 / 2500

Performance Advantages

Pneumatic actuation enables second-level switching, suitable for emergency shut-off or high-cycle applications;

Single moving part minimizes failure risk; self-compensating sleeve maintains seal integrity after wear;

Shorter face-to-face dimension saves space compared to ball or gate valves;

Low torque allows smaller actuators, reducing energy and cost;

Double gland design provides redundant stem sealing for higher safety requirements; signal feedback ports enable easy integration into DCS/PLC systems.

Typical Applications

Automated process isolation valves, CIP/SIP cleaning circuits, boiler feed/blowdown control, compressed air and steam distribution manifolds, water treatment backwash systems, beverage filling lines, laboratory auto-sampling stations.

Quality Assurance

Shell and seat tested per API 598 / ISO 5208. EN 10204 3.1 Material Test Certificate provided. Actuators comply with NAMUR standard for global serviceability.

FAQ

1. Q: What’s the valves warranty?

A: Our valves warranty period should be 18 months from the date of shipment or 12 months after installation, whichever occurs first.
2. Q:How can I get a quote?

A: If you request quote by preparing the product spec you want to request specifically through “Contact us or Feedback” of homepage, we will send reply to you ASAP. If the contents of homepage are not available, you can inquire to us via phone(86-577-67378616) or fax(86-577-67372367).

3. Q:Does your company have any agent/distributor with the exception of China?

A: At present,we have agent in Indonesia,Singapore,Canada,Mexico,Iraq,and welcome contact us if you would like to join us.

4. Q:Does “NSV” valves have supply to any value end user?

A:Yes,,it just like PETROKIMIA GRESIK in Indonesia, BP Iraq,ESFAHAN MOBARAKEH STEEL In Iran etc.