KLINGER Gate valves are widely used to isolate specific areas of the water supply network during maintenance, repair works, new installations, as well as to reroute water flow throughout the pipeline. They are installed in pipelines as isolating valves and are often used when minimum pressure loss and a free bore is necessary.
A gate valve controls the flow by lifting the gate (open) and lowering the gate (closed). Thus, it is used either in the fully closed or fully open positions. When fully open, the KLINGER gate valve has no obstruction in the flow path allowing very minimal pressure losses. As the valve is required to turn multiple times to go from open to closed position, the slow operation also prevents water hammer effects.
Gate valves have more height than ball valves due to their high body and upward stem and gate movement for rising stem design. Gate valves use a sliding plate within the valve body to stop, limit, or permit full flow of fluids. The gate is usually wedge-shaped. When the valve is wide open, the gate is fully drawn into the valve bonnet. This leaves the flow passage through the valve fully open with no flow restrictions.
KSD-GTF – Bolted Bonnet Gate Valve
API 600 Bolted Bonnet, OS&Y, flexible wedge gate valves for all applications.
The bonnet of a gate valve protects the internal parts of the gate valve by providing a leak-proof seal.
Bolted bonnet gate valves are mostly used in steam piping systems: They ensure sufficient sealing in high-pressure applications.
Body Material: DIN 17245 GS-C25
Standards
- Basic design to DIN 3352
- Face-to-Face acc. to DIN 3202-F4
- Flange Dimensions acc. to DIN 2543
- Inspection & test according to EN 12266-1
Features
- Cast steel body construction providing strength to meet most conditions.
- Integral yoke & bonnet; Outside screw & yoke, bolted bonnet.
- Seal welded seat ring eliminates leak path behind rings and for long trouble-free service.
- Single flexible wedge disc compensates for deformation of body due to pipe stresses.
- Available in flanged end connection; butt weld end is also available.
Applications
- Depending on the gate valve design – suitable for water and liquids with abrasive particles, saturated steam, oil, air, and gas.
- Gate valves can be equipped with screw-in, union, bolted or pressure seal bonnets. In a bolted bonnet gate valve, its valve body and bonnet are bolted and flanged together.
