The REFCOMP piston compresses refrigerant gas within the cylinder, performing the vital thermodynamic work essential for system efficiency. Worn components cause pressure drops and compressor failure, necessitating immediate, high-tolerance replacements to maintain industrial cooling performance.
Our catalog below features OEM-cross-referenced replacement Piston units guaranteed to fit your equipment perfectly. Restore original pressure ratios and ensure reliable operation with these precision-engineered components designed specifically for heavy-duty refrigeration cycles.
| Ralco P/N | Description | Compressor | OEM P/N | Models | Add | |
|---|---|---|---|---|---|---|
PST5000 | PISTON CORTO + BULON *F + 3VCX* / SHORT PISTON + PIN ONLY 82.5X34.8X81 REF-300.240 + RSK-239 | REFCOMP 300240 RSK239 | ORC-FSRC-F | |||
PST5001 | PISTON LARGO + BULON SIN SEGMENTOS / PISTON + PIN ONLY LONG STROKE *3VC+3VAO* D = 82.5 MM H = 100 MM REF- RSK-320 | REFCOMP RSK320 | ||||
PST5100 | PISTON CORTO + SEGMENTOS *2VCX + VFO-5L* / PISTON ASSY. REF- RSK-316+RSK-152 + 5160024 | REFCOMP 5160024 RSK152 RSK316 | ||||
PST5300 | PISTON + BULON *3J* /PISTON + PIN FIT REFCOM *3J* REF-NO PN. | REFCOMP PST189 | ||||
PST5410 | PISTON AMONIACO 4J NH3 / PISTON FIT REFCOM *3J* NH3 REF-NO PN. | REFCOMP | ||||
PST55410 | KIT PISTONE PARZIALIZZATORE COMPLETO FIT *SW1L3000* N-36+37+38+39+40+41+42 REF-303410 | REFCOMP 303410 | ||||
PST5600 | PISTON + BULON 6J | REFCOMP | ||||
PST5700 | PISTON *L-60+105* / PISTON + PIN ASSY. 69.9X16X50 REF-301.920 | REFCOMP 301920 | SRC-L-60 / 75 / 85SRC-L-105 / 120 / 130 | |||
PST5701 | PISTON SOLO D=75 MM RAN = 1.5 *L-75+120+130+160* / PISTON + PIN ONLY 74.9X16X50 REF- 302.830 | REFCOMP 302830 | ||||
PST5702 | PISTON SOLO D=77 MM RAN = 1.5 *L-85+180* / PISTON + PIN ONLY 76.9X16X50 REF-302.840 | REFCOMP 302840 | ||||
PST5703 | PISTON SOLO D=80 *L-210* / PISTON + PIN ONLY REF-303.371 | REFCOMP 303371 | ||||
PST5800 | PISTON COMPLETO *M-340+390* / PISTON COMPLETE N-76 D = 100 MM REF-302.540 | REFCOMP 302540 | SRC-M | |||
PST5801 | PISTON COMPLETO M-300 / PISTON COMPLETE REF-302.430 | REFCOMP 302430 | SRC-M | |||
PST5802 | PISTON CABEZA PLANA M-340 SOLO N-71 REF-302.550 | REFCOMP 302550 | SRC-M | |||
PST5910 | PISTON COMPLETO D = 65 MM *P-H2200+L1500+SB6L-1600* REF-303.205 | REFCOMP 303205 | SB6-1600 / 2000 / 2500 / 3000SB4-1200 / 1400SP4L-1500 / 1800 / 2200SP4H-2200 / 2500 / 3000 |