CHTC DF323 Return Line (CHTC C190000954)

1. Basic Information

• Part No.: C190000954
• Name: Return Line / Hydraulic Return Hose Assembly
• Brand: CHTC
• Application: CHTC DF323 underground rock drill (also fits DF312 / DF322)
• Function: Low–medium pressure return line for the feed cylinder, returning hydraulic oil to the tank.
• Structure: Single steel wire braid (or textile reinforced) rubber hose with CHTC original couplings.
• Weight: Approx. 2.0 kg

2. Technical Specifications

• Working Pressure: 160 bar
• Burst Pressure: ≥ 480 bar
• Medium: Anti‑wear hydraulic oil (ISO VG 46/68)
• Temperature: −30 ℃ ~ +100 ℃
• Reinforcement: Single steel wire braid (1SC)
• Features: Oil resistant, flexible, good fatigue resistance for return circuit duties.

4. Installation & Maintenance

• Inspect: No cracks, swelling, leaks, or hardening.
• Install: Avoid sharp bends; keep clear of moving parts.
• Replace: Every 12 months; replace immediately if damaged.

Chengzai Machinery mainly operates products suitable for imported brands of road machinery, mining equipment, construction machinery, generator sets, ship power systems, etc.: drilling rig spare parts, air compressor spare parts, tunneling machine spare parts, excavator-loader spare parts, engine spare parts, mining, rock excavation and rock processing equipment, tools, parts, and so on.

Main brands carried by Chengzai Machinery: Ingersoll-Rand, Atlas, Ingersoll-Rand, Sullair, , Mannheim MWM, MAN Germany, , , Perkins, DEUTZ, MTU Mercedes-Benz, etc.

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