Actuated Lined Butterfly Valve

Actuated Lined Butterfly Valve

Superior Corrosion Protection with Reliable Flow Control

The Manual (Hand Lever / Gear), Pneumatic & Electric Actuated Lined Butterfly Valve is specially engineered for handling highly corrosive, aggressive, and hazardous media in industrial process systems. Featuring a high-performance PTFE, PFA, or FEP lining, the valve provides exceptional chemical resistance, bubble-tight sealing, and dependable flow control under demanding operating conditions.

Manufactured using premium-grade cast iron, ductile iron, carbon steel, and stainless steel materials with precision engineering, this valve ensures smooth quarter-turn operation, excellent corrosion protection, and extended service life. Available in manual, pneumatic, and electric actuation options, it is an ideal solution for both standard isolation and fully automated process control applications.


Key Features

✔ High Performance PTFE / PFA / FEP Lining
✔ Excellent Resistance to Corrosive Chemicals
✔ Bubble Tight Leak-Proof Sealing
✔ Smooth Quarter Turn Operation
✔ Full Flow Design with Low Pressure Loss
✔ Superior Corrosion & Abrasion Resistance
✔ Low Maintenance & Long Service Life
✔ ISO 5211 Mounting for Automation
✔ Available in Manual, Pneumatic & Electric Actuation
✔ Suitable for Highly Corrosive Process Applications


Applications

  • Chemical Processing Industries
  • Acid & Alkali Handling Systems
  • Pharmaceutical Industries
  • Water Treatment Plants
  • Petrochemical Industries
  • Fertilizer Plants
  • Chlorine & Chemical Dosing Systems
  • Pulp & Paper Industries
  • Industrial Automation Systems
  • General Corrosive Fluid Applications

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

Specification Details
Model No. NXALBV / NXALBV-A
Valve Type Lined Butterfly Valve
Body Material (MOC) Cast Iron / Ductile Iron / WCB / SS304 / SS316
Size Range 50 mm to 600 mm (2″ to 24″)
End Connection Wafer / Lug / Flanged
Pressure Class PN10 / PN16 / ANSI 150#
Operating Temperature -20°C to +200°C
Lining Material PTFE / PFA / FEP
Disc Design Centric Disc Design
Seat Material PTFE / PFA Lined
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 Chemicals, Acids, Alkalis & Corrosive Fluids
Automation Option Pneumatic & Electric Actuator Compatible

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

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