DN100 wafer type PTFE Lining Butterfly Valve 4" Butterfly Valve

Key Features

• Full PTFE Lining: Valve body and disc encapsulated with virgin PTFE for exceptional resistance to acids, alkalis, salts, and organic solvents.
• Bi-Directional Sealing: Precision-machined PTFE-lined disc provides tight shut-off in both flow directions.
• Wafer Type Design: Compact and lightweight, designed for installation between flanges, reducing overall system weight and cost.
• Anti-Blowout Stem: One-piece stem design with anti-blowout feature ensures maximum operational safety.
• Low Operating Torque: Optimized disc profile reduces torque requirements, extending actuator life.
• Corrosion Resistant: Suitable for chlorine, hydrochloric acid, sulfuric acid, nitric acid, acetic acid, and many other aggressive media.
• ISO 5211 Top Flange: Direct mounting for all standard actuators — manual, pneumatic, or electric.
• OEM/ODM Service: Customizable stem length, liner material, and actuation methods available.

Technical Specifications

Applications

• Chemical processing and petrochemical plants
• Pharmaceutical and biotechnology manufacturing
• Food and beverage processing
• Water and wastewater treatment
• Electroplating and surface finishing
• Mining and metallurgy
• Pulp and paper industry
• Marine and offshore systems

Standards & Certifications

• Design & Manufacturing: API 609, EN 593, GB/T 12238
• Flange Connection: ASME B16.5, EN 1092-1
• Face-to-Face: API 609, EN 558
• Testing: API 598, EN 12266-1
• ISO 9001:2015 Quality Management System
• CE / UKCA Available

Ordering Information

When ordering, please specify the following:

1. Valve size: DN100 (4")
2. Pressure rating: PN10 / PN16 / Class 150
3. Lining material: PTFE / FEP / PFA
4. Body material
5. Operation type: Lever / Gearbox / Pneumatic / Electric
6. Quantity required

 Corrosion Protection    

Epoxy Resin Powder Spray,The minimum thickness is not less than 300 microns