9122376450 Hydraulic Cylinder Seal Kit for Epiroc Simba H1254 Repair Service Kit

Hydraulic Cylinder Overhaul Service Kit for Epiroc Simba H1254 Long-Hole Drilling Rigs | OEM Part: 9122376450

Engineered for Rigorous Underground Production Drilling

In underground stoping and sub-level caving, the Epiroc Simba H1254 long-hole production rig relies on heavy hydraulic actuation for boom positioning, feed positioning, stinger clamping, and jack stabilization. Cylinder seal degradation caused by high-pressure shockwaves, fluid contamination, and continuous duty cycles leads to cylinder drift, loss of feed force, and hydraulic oil leakage.

Our 9122376450 Hydraulic Cylinder Seal Kit is specifically engineered to replace worn dynamic seals, restoring firm clamping pressure, smooth cylinder extension, and complete fluid containment in demanding underground mining environments.

Technical Specifications & Equipment Fitment

• Brand & Equipment Compatibility: Epiroc Mining & Rock Excavation Systems

• Specific Rig Model Fitment: Epiroc Simba H1254 Production Drilling Rig Series

• Primary OEM Part Number: 9122376450 (Cross-ref: 9122 3764 50)

• Internal SKU Reference: 9122376450-SIMBA-H1254

• Material Engineering Compounds: Hydrolysis-Resistant TPU + High-Temp Viton (FKM) + Glass/Bronze-Filled PTFE + Heavy-Duty NBR

• Dynamic Operating Pressure Rating: Handles continuous pressures up to 250+ Bar (3600+ PSI)

• Operating Temperature Endurance: -30°C to 120°C (-22°F to 248°F)

• Primary Hydraulic Applications: Feed Extension Cylinders, Stinger Clamping Cylinders, Positioning Boom Cylinders, and Rig Stabilizer Jack Cylinders

Key Material Science & Performance Advantages

• High-Modulus Polyurethane (TPU) Rod Seals: Formulated to resist hydrolysis and mechanical fatigue, maintaining dynamic lip tension despite rapid directional shifts and pressure spikes.

• High-Temperature Viton (FKM) O-Ring Energizers: Maintains static and dynamic seal pressure even during severe oil heating cycles in deep underground mines.

• Anti-Extrusion PTFE Guide & Wear Rings: Provides low-friction guidance along the cylinder piston, eliminating metal-to-metal contact, dampening side-load chatter, and stopping internal pressure bypass.

• Severe-Duty Double-Lip Scraper Wiper: Seals the gland against ambient mine slurry, quartz dust, and acidic wash-down water, preserving internal rod chrome plating.

Maintenance & Rebuild Guidelines for Mine Fleet Mechanics

💡 Operational Service Advice:

When rebuilding hydraulic cylinders on Epiroc Simba H1254 rigs using the 9122376450 kit, always inspect the cylinder rod for scoring, pitting, or chrome flaking. Ensure the cylinder barrel bore is thoroughly cleaned of fine quartz sand and degraded hydraulic sludge prior to seal installation. Lubricate all new TPU U-cups and PTFE wear rings with clean hydraulic oil during assembly to prevent dry-start seal damage.