Lock Check Valve – DLVT / SLVT
The Hydroline DLVT / SLVT series consists of pilot-operated check valves designed to provide precise load-holding and directional flow control in hydraulic systems. They function as safety devices that “lock” a hydraulic cylinder in its current position, preventing unintended movement caused by gravity, vibrations, or sudden pressure loss in the main system.
- Operating Pressure : High Performance Range
- Application : Industrial & Mobile Systems
About this item
The Hydroline DLVT / SLVT series refers to pilot-operated lock check valves designed for industrial hydraulic systems to maintain load position and prevent backflow. These valves are typically used to “lock” a cylinder in place until a pilot pressure is applied to allow reverse flow.
| Feature | Details |
|---|---|
| Max Pressure | Up to 200 Bar (Standard duty often rated at 100 Bar) |
| Flow Capacity | Up to 30 LPM (Litres Per Minute) |
| Pilot Ratio | 1:4 (Ratio of pilot pressure to load pressure) |
| Max Temperature | 80°C |
| Port Sizes | 1/8″, 1/4″, and 3/8″ (BSPP/NPT thread options) |
| SLVT Variant | Single Lock Valve: Holds load in one direction |
| DLVT Variant | Double Lock Valve: Holds load in both directions |
| Key Features | Aluminum alloy body, steel internal seats, leak-free locking, and compact footprint |
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