In many industrial installations, mobile machinery, or auxiliary equipment, high pressures are not involved, but fast assembly, long-term reliability, and resistance to the environment are required. It is in this type of application that PARKER Push-Lok technology becomes an especially efficient solution.
Unlike traditional systems with crimped fittings, the Push-Lok hoses are designed to work with specific fittings that do not require clamps or crimping, allowing quick assembly without crimping, reducing downtime, simplifying maintenance, and minimizing installation errors.
Within this family, the 837BM, 837PU and 83FR references cover a wide variety of real-world applications that we see every day in industry.
Parker Push-Lok 837BM – Multipurpose rubber hose
The Push Lok 837BM hose is a low-pressure hose intended for industrial and automotive applications where flexibility, abrasion resistance, and ease of assembly are required.
Main technical data
- Maximum working pressure: 16 bar (1.6 MPa / 235 psi) across all diameters
- Safety factor: 4:1
- Temperature range: -40 °C to +100 °C
- Max. air +70 °C
- Max. water +85 °C
- Inner tube: synthetic rubber
- Reinforcement: high-strength textile braid
- Cover: high-performance synthetic rubber
- Minimum bend radius: approx. 65 to 250 mm depending on diameter
- Vacuum: up to 0.95 bar (≈28 inHg)
- Inner diameters: 6.4 to 25.4 mm (¼" to 1")
- Compatible fittings: Series 82 Push-Lok
- Available colors: black, blue, red, green, gray (visual line identification)
Recommended fluids
- Compressed air (dry)
- Water
- Water-oil emulsions
- Water-glycol
- Light lubricants (with restrictions for mineral oils and temperature)
Restrictions
- Not suitable for air brakes
- Not recommended for fuels
- Not suitable for high dynamic pulsations
Parker Push-Lok 837PU / 837PU-Plus – High flexibility and abrasion resistance
The Push Lok 837PU hose / 837PU Plus is suitable for demanding applications including automotive, with a polyurethane cover, designed for continuous motion, energy chains, and robotics.
Main technical data
- Maximum working pressure: 16 bar (1.6 MPa / 235 psi)
- Safety factor: 4:1
- Temperature range: -40 °C to +100 °C
- Max. air +70 °C
- Max. water +85 °C
- Inner tube: synthetic rubber
- Reinforcement: textile braid
- Cover: high-resistance polyurethane (high abrasion and torsion resistance)
- Minimum bend radius: very small (30 to 180 mm)
- Vacuum: up to 0.95 bar
- Inner diameters: 6.4 to 25.4 mm
- Compatible fittings: Series 82 Push-Lok
- Colors: black, blue, red, green, gray (visual line identification)
Recommended fluids
- Air
- Water
- Coolant emulsions
- Water-glycol emulsions
Clear distinguishing points
- Very high abrasion resistance
- Excellent performance in repetitive motion
- Ideal for robotics, energy chains, and automation
Parker 83FR DuraGard™ – Flame-retardant polyurethane / welding
Push-Lok 83FR hose with a flame-retardant cover, developed for environments with sparks, welding, and extreme abrasion.
Main technical data
- Maximum working pressure: 300 psi (2.1 MPa / 21 bar)
- Safety factor: 4:1
- Temperature range: -29 °C to +93 °C
- Inner tube: specially formulated polyurethane
- Reinforcement: fiber
- Cover: flame-retardant polyurethane and weld-spatter resistant
- Compliance:
- MSHA (mining / safety)
- UL94HB
- Non-conductive (SAE J517)
- Inner diameters: ¼", ⅜", ½", ¾"
- Minimum bend radius: approx. 25 to 89 mm
- Vacuum: 28 inHg
- Compatible fittings: Push-Lok Series 82
Typical catalog applications
- Welding robotics
- Metallurgical industry
- Industrial workshops
- Pneumatic lines near sparks or heat
