"Keystone" Butterfly valve Fig.AR1-AR2
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20/09/2012 16:07
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Figures AR1 and AR2 General Purpose Valve
Figures AR1 and AR2 are ideally suited for many applications such as, water filtration, cooling water systems, food and beverage, air systems, mining and bulk product handling.
Features & Benefits:
- Triple function resilient seat helps provide bi-directional drop-tight shut-off, designed to totally isolate the valve body and stem from the line media.
- Molded-in O-ring seat design serves as flange seals, eliminating the need for gaskets between the flanges and the valve.
- Unique dovetail seat retention design allows for convenient and economical field replacement.
- Superior one-piece through shaft design provides high strength and positive disc control.
- Internal shaft seal is designed to prevent external media from entering valve and it also adjusts for pressure and shaft rotation.
- Heavy-duty, corrosion resistant top bushing delivers upper stem support, absorbs actuator side-loading and extends valve cycle life.
- Polished disc edge helps ensure optimal performance and maximum seat life.
- Stainless steel torque plug (2" to 12"), disc screws (14" to 20") and taper pins (24" to 36") provide positive leak-proof connections while allowing for quick and easy disassembly.
- One-piece body with extended neck allows clearance for flanges and insulation.
- Each valve is factory-tested to 110 percent of the manufacturer’s pressure rating.
Size Range:
Figure AR1 (wafer style) 2" to 36" (2" to 12", to 175 psi)
Figure AR2 (lug style) 2" to 24" (14" to 36", to 150 psi)Flange Standard:
ANSI Class 125/150 (Consult your sales representative for additional drilling standards.)
