Overview
The document provides technical specifications and operational details for the 1HP Series Hand Pump by Integrated Hydraulics Ltd and Integrated Hydraulics Inc. This hand pump is designed for emergency brake release, pilot supply for emergency lowering of access platforms, and lubrication circuits.

Specifications

• Basic Code: 1HP7 (Cartridge Only), 1HP75 (Cartridge and Body)
• Seal Options: Nitrile (S) for most industrial hydraulic oils, Viton (SV) for high temperature and special fluid applications
• Port Sizes: 3/8” BSP, 1/2” SAE
• Operating Temperature: -20°C to +90°C
• Nominal Viscosity Range: 5 to 500 cSt
• Displacement: 1.3 cc (1.3 ml)
• Generated Pressure: 50 bar (725 psi)
• Body Material: Zinc plated steel & anodised aluminium
• Weight: 0.16 kg (0.35 lbs)
• Stroke: 19 mm (0.75”)
• Leakage: 0.3 millilitres/min nominal (5 dpm)
• Torque Cartridge into Cavity: 40 Nm (30 lbs ft)

Operation
The pump operates by depressing the plunger, which forces oil through a check valve into the system. The plunger then retracts, drawing oil into the chamber through a second check valve.

Features

• Built-in pressure and suction checks
• Self-contained cartridge element
• Low leakage ball and seat design
• Minimal effort required for plunger movement

Ordering Information
Examples of ordering codes include 1HP7 for cartridge only and 1HP75 for cartridge and body. Seal kits are available as SK1224 for both Nitrile and Viton options.

Contact Information
Integrated Hydraulics Ltd, UK: Tel: +44 (0) 1926 881171, Fax: +44 (0) 1926 315729
Integrated Hydraulics Inc, USA: Tel: (440) 974 3171, Fax: (440) 974 3170
Website: www.integratedhydraulics.com