High-Performance Double Offset (HP) Butterfly Valves_
Double-offset geometry, flexible lip seats, cryogenic to high temp.
Overview
INVAR’s High-Performance Double Offset Butterfly Valves deliver exceptional sealing, long service life, and low torque requirements.
Designed for ANSI 150, 300, and 600 ratings, they excel in critical process environments.
Key Features
- Double-offset disc geometry minimizes seat wear
- Flexible-lip RPTFE or UHMWP seats
- Cryogenic to high-temperature ratings (-320°F to 500°F)
- Positive shaft retention
- Self-aligning seat insert
- Lower installed cost than comparable gate valves
Ideal Applications
- Chemical & petrochemical
- Power generation
- Grain & corn processing
- Steel plants
- Air separation & HVAC
- Refining & industrial processing
Technical Advantages
- Available in carbon steel, stainless steel, and specialty alloys
- Easy automation with pneumatic, electric or hydraulic actuators
- Low torque requirements → reduced actuator cost
- High pressure cycle durability





