Butterfly valve, 2-way, high-performance, 4", ANSI Class 150, analog modulating, fail-in-place.
VH2 high-performance 2-way butterfly valves provide control for HVAC systems. Applications include chilled water, hot water, cooling tower water, thermal storage systems and steam up to 50 psi.
Features & Benefits:
- ANSI Class 150
- 316 stainless steel disks; carbon steel valve body; stainless steel valve stem
- RTFE valve seat
- 0% leakage at rated close-off
- Maximum velocity of 32 fps
- Close-off rating of 150 psid in all sizes
- ISO 5211 actuator mounting flange
- Available with factory-installed electric actuation interfaces in 2-position, floating ("tri-state"), or modulating (2 to 10 V DC) control
- Manual override on all models
- For use with hot, chilled, or condensing water with up to 60% glycol, and on-off control of steam up to 50 psi in HVAC systems
Certifications:
- Actuators on 6 inch and smaller valves: cULus, CE Actuators on 8 inch and larger valves: cCSAus, CE