Dwyer WE20-HHD00-WE offre

Caractéristiques

• Machined flats attach disc/stem - no pins
• Phenolic backed cartridge seat design for extended service and ease of replacement
• Extended neck for insulation - no fabricated extensions required
• Capable of being configured to fit any application
• Limit switches can be mounted to manual valves for remote monitoring

Specifications

• Service: Compatible liquids, gases, and steam
• Line Size: 2" to 12"
• Body Style: 2-way, wafer or lug butterfly
• End Connections: Lug and wafer pattern designed for flanges that are ANSI Class 125 (B16.1) and ANSI Class 150 (B16.5) dimension.
• Pressure Limit: 225 psi (15.5 bar) WOG
• Wetted Materials: Body Material: Ductile iron; Disc: 316 SS; Seat: EPDM or PTFE; O-ring: EPDM; Stem: 410 SS.
• Temperature Limits: EDisc: EPDM: -50 to 250°F (-46 to 121°C); PTFE: 0 to 300°F (-18 to 149°C).
• Bearings: Nylatron
• Flow Rate: See Cv chart on Catalog page
• Operator: 2 to 6": 10-position locking hand lever; 8 to 12": manual gear

Applications

• Perfect for on-off or throttling service
• Ideal for shut-off of water in chillers, cooling towers, and thermal storage systems
• Air dampers
• Irrigation systems
• Tank trucks
• Sewage systems, waste water treatment