LS50-30 Load Shuttle Valve

Directional Valves

LS50-30 — Load Shuttle, Ball-Type, High Pressure

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LS50-30 Valve

SYMBOL:
LS50-30 Valve symbol

DESCRIPTION
A load-shuttling, screw-in, cartridge-style, hydraulic check valve for use in blocking
circuits where a priority of flow/direction is given to a higher pressure circuit over a lower one.

OPERATION
The LS50-30 will allow flow from the higher pressure of 1 or 3 port to the 2 port.
The valve is commonly used to direct oil from the pressure side of a bidirectional
hydraulic motor to a pressure-released hydraulic brake.

FEATURES
• Rapid response to load direction changes.
• Industry-common cavity.

RATINGS
Operating Pressure: 345 bar (5000 psi)
Proof Pressure: 390 bar (5700 psi)
Flow: Up to 30.3 lpm (8 gpm)
Internal Leakage: 0.25 cc/minute (5 drops/minute) max. at 345 bar (5000 psi)
Temperature: -26 to 204°C with standard fluorocarbon seals;
-54 to 107°C (-65 to 225°F) with polyurethane and urethane seals
Filtration: See page 9.010.1
Fluids: Mineral-based or synthetics with lubricating properties at viscosities of
7.4 to 420 cSt (50 to 2000 sus); See Temperature and Oil Viscosity, page 9.060.1
Installation: No restrictions; See page 9.020.1
Cavity: VC10-3; See page 9.110.1_3w
Cavity Tool: CT10-3xx; See page 8.600.1
Seal Kit: SK10-3P-MM; See page 8.650.1

PERFORMANCE:

LS50-30 Valve Performance Chart

DIMENSIONS:
LS50-30 Valve Dimensions

MATERIALS:

Cartridge: Weight: 0.08 kg (0.18 lb);
Steel with Zinc-plated exposed surfaces; Polyurethane O-rings and fluorocarbon elastomer back-ups standard.

Standard Ported Body: Weight:0.64 kg
(1.41 lb); Ductile iron (code ‘D’) standard, rated to 345 bar (5000 psi)
See page 8.010.1_3w

ORDERING CHART:

LS50-30 Ordering Chart