Directional Valves

HS50-43 — Low Side (Hot Oil) Shuttle
  Selection guide - similar valves.
  PDF file of this page
  STP file for HS52-43
  Request a quote

HS50-43 Valve

HS50-43 Valve symbol

A spring-centered, spool-type, closed-in-neutral,3-position, 3-way hot-oil shuttle valve,
which may be used on hydrostatic transmissions to direct charge pump oil to a heat
exchanger or to tank.

With internal piloting at port 1, 2 or 4, the HS50-43 will direct oil flow from the port opposite
of the port piloted to port 3, thus removing oil from the low-pressure side for cooling or filtration
purposes. The valve has a spring-centered spool, and is closed in neutral position.

• Hardened spool and cage for long life.
• Industry-common cavity.

Operating Pressure: 345 bar (5000 psi) when used in ductile iron or steel body
Flow: Up to 45 lpm (12 gpm)
Internal Leakage: 328 ml/minute (20 cu. in./minute) max. at 207 bar (3000 psi)
Temperature: -40 to 100C (-40 to 212F) with Buna N seals;
   -26 to 204C (-15 to 400F) with fluorocarbon seals;
   -54 to 107C (-65F to 225F) with standard polyurethane 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: VC10-4; See page 9.110.1_4w
Cavity Tool: CT10-4xx; See page 8.600.1
Seal Kit: SK10-4x-MM; See page 8.650.1


HS50-43 Valve Performance Chart
HS50-43 Valve Dimensions


Cartridge: Weight: 0.12 kg. (0.27 lbs.);
Steel with hardened work surfaces. Zinc-plated exposed surfaces. Polyurethane and polyester elastomer back-ups standard.

Standard Ported Body
: Weight: 0.68 kg.
(1.51 lbs.); Ductile Iron (code "D") standard, consult factory for weight, dimensions may differ. Rated to 345 bar (5000 psi). See page 8.010.1_4w

HS50-43 Ordering Chart

Selection guide - similar valves.
PDF file of this page. STP file for HS50-43 Request a quote.