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Sabroe

HPX 712

Sabroe HPX 712 — Very high-pressure single-stage reciprocating compressor (60 bar HP design) for heat pump and high-temperature applications up to 90 °C condensing; R717.

Components & Design

Component data being added…

Technical Data

airflow m3h 333
speed rpm 500–1800
weight kg 1345
cylinders 12
max condensing temp C 90
design pressure HP bar 60

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Common failures & inspection points

Check valve condition: inspect suction and discharge valves (ring plate valves) for wear, cracking, or leakage; replace worn valve seats and springs

Check valve condition: inspect suction and discharge valves (ring plate valves) for wear, cracking, or leakage; replace worn valve seats and springs

Piston and cylinder liner inspection: measure bore wear, check piston rings for gap and side clearance, inspect cylinder liners for scoring or corrosion

Piston and cylinder liner inspection: measure bore wear, check piston rings for gap and side clearance, inspect cylinder liners for scoring or corrosion

Oil system check: verify oil pressure, inspect oil separator for carry-over, check oil filter differential pressure and oil level in crankcase

Oil system check: verify oil pressure, inspect oil separator for carry-over, check oil filter differential pressure and oil level in crankcase

Shaft seal and gasket inspection: check crankshaft seal for leaks, inspect cylinder head and inter-stage gaskets for refrigerant leakage

Shaft seal and gasket inspection: check crankshaft seal for leaks, inspect cylinder head and inter-stage gaskets for refrigerant leakage

Capacity control system: inspect hydraulic unloaders, solenoid valves, and capacity regulation cylinders for correct operation and leakage

Capacity control system: inspect hydraulic unloaders, solenoid valves, and capacity regulation cylinders for correct operation and leakage

Bearing and connecting rod inspection: check main and connecting rod bearings for clearance, wear, and lubrication; verify crankshaft end-play

Bearing and connecting rod inspection: check main and connecting rod bearings for clearance, wear, and lubrication; verify crankshaft end-play

Safety device verification: test high-pressure and low-pressure cutout switches, oil pressure differential switch, and motor overload protections; verify UniSAB

Safety device verification: test high-pressure and low-pressure cutout switches, oil pressure differential switch, and motor overload protections; verify UniSAB controller settings

Vibration and alignment check: measure compressor unit vibration levels, verify motor-to-compressor alignment, inspect anti-vibration mounts and foundation bolt

Vibration and alignment check: measure compressor unit vibration levels, verify motor-to-compressor alignment, inspect anti-vibration mounts and foundation bolts

Type-general inspection and maintenance points for this equipment category — not model-specific.

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Equipment Model #152036 · ✓ still in production