product
GRH has 6 series of different monoblock valves with a flow range of 25-170L/min for different applications. It provides various spool functions for controlling the spools of double-acting cylinders, single-acting cylinders, and oil motors.
Cast iron body.
Spring cap, mechanical detent cap are made by die cast aluminum.
Parallel circuit. Inlet passage has a load check valve.
Provides manual control and wire pulling control modules.
Provides power beyond options.
Provides mechanical detent.
Provides different spool functions to satisfy the needs for customers to control double and single cylinders, as well as to control hydraulic motors.
Provide excellent flow characteristics and small operating force.
Provides 6 different assemblies from 1 spool to 6 spools.
| Rated flow rate | 25 L/min | With NBR seals | -20℃-80℃ |
| Maximum flow rate | 30 L/min | With FKM seals | 20℃-100℃ |
| Maximum pressure at P port | 250 bar | Spool stroke position) | +5.5/-5.5mm |
| Maximum pressure at A/B port | 250 bar | With floating function(1/2/F position) | +5.5/-5.5-8mm |
| Maximum pressure at T port | 25 bar | Recommend hyraulic oil viscosity range | 15-75mm²/s |
| Internal leakage (@70 bar) | A/B to T30-35 cc/min | Recommend temperature range | -40℃-60℃ |
RYAN GDV25 Series Monoblock Valves are widely used in loader, forklift and harvester.
