Centric Disc Butterfly Valve

Centric Disc Butterfly Valve

High Performance Flow Control with Reliable Sealing

The Manual (Hand Lever / Gear), Pneumatic & Electric Actuated Centric Disc Butterfly Valve is engineered for reliable flow regulation and positive shut-off in industrial piping systems. Its centric disc design combined with a resilient seat provides bubble-tight sealing, low operating torque, and smooth quarter-turn operation under a wide range of pressure and temperature conditions.

Manufactured from premium-grade cast iron, ductile iron, carbon steel, and stainless steel materials, this valve offers outstanding corrosion resistance, long service life, and dependable performance in demanding industrial environments. Available in manual, pneumatic, and electric actuation options, it is ideal for both standard isolation duties and automated process control applications.


Key Features

✔ Compact & Lightweight Construction
✔ Centric Disc Design for Reliable Flow Control
✔ Bubble Tight Leak-Proof Sealing
✔ Low Torque Quarter Turn Operation
✔ Corrosion Resistant Materials
✔ Full Flow Design with Minimal Pressure Loss
✔ Easy Installation & Low Maintenance
✔ High Cycle Performance
✔ ISO 5211 Mounting for Automation
✔ Available in Manual, Pneumatic & Electric Actuation


Applications

  • Water Treatment Plants
  • HVAC Systems
  • Chemical Processing Industries
  • Food & Beverage Industries
  • Oil & Gas Industries
  • Pharmaceutical Industries
  • Power Generation Plants
  • Marine Applications
  • Industrial Utility Services
  • General Process Industries

Design Features – Manual (Hand Lever / Gear), Pneumatic & Electric Actuated Centric Disc Butterfly Valve

Specification Details
Model No. NXCDBV / NXCDBV-A
Valve Type Centric Disc Butterfly Valve
Body Material (MOC) Cast Iron / Ductile Iron / WCB / CF8 / CF8M / SS304 / SS316
Size Range 50 mm to 1200 mm (2″ to 48″)
End Connection Wafer / Lug / Flanged
Pressure Class PN10 / PN16 / ANSI 150#
Operating Temperature -20°C to +180°C
Disc Design Centric Disc Design
Seat Material EPDM / NBR / PTFE / Viton
Valve Bore Full Flow
Operation Manual (Hand Lever / Gear), Pneumatic Actuated & Electric Actuated
Testing Standard API 598
Actuator Mounting ISO 5211 Direct Mounting Pad
Working Media Water, Air, Oil, Gas & Chemicals
Automation Option Pneumatic & Electric Actuator Compatible

Technical Specifications – Manual (Hand Lever / Gear), Pneumatic & Electric Actuated Centric Disc Butterfly Valve

No. Description Material
1 Body Cast Iron / Ductile Iron / WCB / CF8 / CF8M
2 Disc SS304 / SS316 / Ductile Iron (Nylon/Epoxy Coated)
3 Seat EPDM / NBR / PTFE / Viton
4 Stem SS410 / SS304 / SS316
5 Stem Bush PTFE / Bronze
6 O-Ring / Stem Seal NBR / EPDM
7 Thrust Washer PTFE
8 Operating System Manual Hand Lever / Gear Operator / Pneumatic Actuator / Electric Actuator
9 Hand Lever / Gearbox (Manual Model) Powder Coated Steel / Cast Iron
10 Stop Plate / Locking Device Carbon Steel / Stainless Steel
11 End Connection Wafer / Lug / Flanged
12 Fasteners SS304 / High Tensile Steel