Description
Butterfly Valve 4" Keystone FI Wafer Style Resilient-Seat Cast Iron Valve
This 4-inch butterfly valve (Binks SKU 2442-813) provides dependable on/off and throttling control for a variety of industrial and utility applications. Built to Keystone standards, it offers robust, long-lasting performance whether installed in water, HVAC, chemical, or general service pipelines.
Features & Specifications
- Valve Size: 4″ (NPS 4 / DN 100)
- Installation Style: Wafer style for mounting between industry-standard flanges
- Body Material: Cast iron or ductile iron depending on build variation
- Disc Material: Stainless steel or ductile iron depending on configuration
- Seat Material: EPDM or Buna-N resilient elastomer options
- Seal Type: Molded-in resilient seat for bubble-tight bi-directional shutoff
- Pressure Rating: Typically up to approximately 250 psi for 4" resilient-seat valves
- Temperature Range: Approximately –20 °F to 250 °F depending on seat and disc materials
- Vacuum / Dead-End Capability: Suitable for vacuum and end-of-line service when properly installed