KFD - Series D Flexgate Actuated Knife Gate Valve
Description
Red Valve's Series D Pneumatic Actuated Flexgate Valves are available with pneumatic, electric or hydraulic actuators. Other options include limit switches, solenoids and air regulators.
The actuated Flexgate Valve provides long-term abrasion resistance under high-cycle conditions. The valve self-cleans each time it is cycled and is ideal for automated operations.
Red Valve manufactures its pneumatic actuators using black Amalgon, a fiberglass-reinforced epoxy resin.
The actuator material is inert to most corrosive chemicals, hydraulic fluids, water and oil. It has an operating temperature range from -90° to 225° F and can withstand maximum working pressures of 250 psi.
Inside the actuator walls are polished and impregnated with molydisulfide for reduced friction and wear.
The piston seal is a long-lasting O-ring. The piston rod is sealed with a lip seal, which is protected by a rod wiper ring. This wiper ring prevents dirt from being dragged through the seal.
Features- Ideal for difficult abrasive slurry service
- Replaceable elastomer cartridge seats
- Heavy-duty, 150 psi stainless steel gate
- Bi-directional, drop-tight shut off
Specifications
Specifications
Body Material
- Fabricated Steel over 24"
- Cast iron to 24"
- Optional 304 Stainless Steel or 316 Stainless Steel
Sleeve Material (Elastomers)
- Ethylene Propylene Diene Terpolymer (EPDM)
- Acrylonitrile-Butadiene (NBR)
- Chloroprene (CR)
- Styrene Butadiene (SBR)
- Fluoro Rubber
Valve Size
- 3" to 42"
Materials of Construction
- Gate: ASTM A240 T-316
- gate: Optional 17-4 Ph, Hastelloy C, or 316 Stainless Steel
- Gate Coating: Polytetrafluoroethylene (PTFE)