Page 21 - Parker - Republic/Manatrol (Hydraulic and Pneumatic Control Valves)

Catalog HY14-3000/US Exectrol Directional Control Valves
Technical Information Series 21200

General Description
Series 21200 Exectrol directional control valves are
direct solenoid operated 4-way control valves. A slide
and balanced seals are used which provides near zero
leakage. The valves have a high tolerance to media
contamination as each movement of the slide wipes ★ ★
B the sealing surfaces clean which in turn results in long

service life.

Features
• Shear-type positive seal.
• Zero leakage (8 drops per min. Max. – Test pressure
276 Bar (4000 PSI).
• Ideal for water soluble systems (95-5).
• Pressures up to 414 Bar (6000 PSI).
• Long life, easy maintenance.
• Standard valves are interflow.
• No packing to wear or cut.
• High tolerance to contamination.
• High tolerance to silting.
• Manual overides are standard.

Specifications
Service Hydraulic oil. Water containing minimum of Internal 8 DPM Max. at 276 Bar (4000 PSI)
Applications 5% soluble oil. Suggest water soluble oil Leakage
with a sodium sulphonate-based emulsifier.
Oil should have a viscosity of 250-350 SSU Mounting Subplate. Mounting bolts furnished
at 38°C (100°F). Others available on Material Cover: Steel
special order. Body: Steel
Maximum Working: 414 Bar (6000 PSI) Bottom Plate: Steel
Operating *Proof: 621 Bar (9000 PSI) Inserts: Steel
Pressure *Burst: 1035 Bar (15,000 PSI) Washers: Steel
Locknut: Steel
*Applicable to pressure and cylinder ports Spring Retainer: Steel
only Screws: Steel
Note: Installation of this valve should Retainer Plate: Steel
ensure that exhaust port pressure does not Name Plate
exceed cylinder port pressures by more Housing: Aluminum alloy, anodized
than 3.5 Bar (50 PSI) and never exceed End Cap: Aluminum alloy, anodized
69 Bar (1000 PSI) Slide: Stainless Steel
Flow 37.9 LPM (10 GPM) rated maximum Seals: Stainless Steel
Operating 25 milliseconds Springs: Stainless Steel
Time O-rings: Synthetic rubber
CV Factor 1.0 Operating -40°C to +107°C (-40°F to +225°F)
Temperature (with Code 02 O-rings)

3000-B1.p65, dd
B4 Parker Hannifin Corporation
Hydraulic Valve Division
Elyria, Ohio, USA