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The AOP SGC Series is a slab gate, floating seat and body bushing, non-rising stem, full bore, through conduit gate valve designed to work in variety of environments. SGC valves are in full compliance with API 6A & ISO 10423, and are available in flanged end connections from 1-13/16” bore to 4-1/16” bore in 10 000 psi rating, and 1-13/16” bore up to 2-9/16” bore in 15 000 psi rating.
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Features:
- The slab gate assures a bi-directional seal and releases body pressure if the line pressure decreases. The slab gate reduces the possibility of erosion caused by fluid contamination, and eliminates the possibility of a double block condition. When closed, the gate floats against the downstream side of the valve creating a metal-to-metal seal at the gate/seat interface, the seat/body bushing, and the body bushing/body interface.
- SGC Series floating seats are designed to work with body bushings. When the line pressure decreases, body pressure equalization occurs across the seat ring and body bushing interface.
- Metal-to-metal high pressure sealing between body/bonnet interface is stable and environmentally resistant.
- The stem has a secondary metal-to-metal backseat seal that can be engaged while the valve is in service. The stem backseat design permits stem packing replacement with the valve in-line and under pressure.
- The valve has a single fitting above the stem backseat to inject lubricant.
- All part are easy replaceable in the field.
The SGC valve is a bi-directional valve. and can be installed in line in either direction. SGC valves have the advantage of being easily adapted for use with a variety of actuators; reverse acting, direct acting, pneumatic and hydraulic.
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