OEM GRAM piston ring integrity ensures optimal sealing between the piston and cylinder wall. This critical barrier maintains high compression efficiency while preventing oil contamination in the discharge gas, protecting system performance.
Our catalog lists certified replacement rings for perfect fit. These parts guarantee reliable sealing, extending compressor lifespan and ensuring industrial refrigeration uptime.
| Ralco P/N | Description | Compressor | OEM P/N | Models | Add | |
|---|---|---|---|---|---|---|
SGM0100 | SEGMENTO COMPRESION FIT *HC-75* / CROMATED PISTON RING Ø75X2.5X3.15 N-137 REF-77-036-0261 | GRAM 770360261 | HCT 8075HCT 4075 / 6075HC / HCL / HCH 2075HC / HCL / HCH 4075HC / HCL / HCH 6075HC / HCL / HCH 8075 | |||
SGM0105 | SEGMENTO CENTRAL FIT *HC-75* / SCRAPPER RING Ø75X2.5 N-138 REF-77-037-0161 | GRAM 770370161 | HCT 8075HCT 4075 / 6075HC / HCL / HCH 2075HC / HCL / HCH 4075HC / HCL / HCH 6075HC / HCL / HCH 8075 | |||
SGM0110 | SEGMENTO ENGRASE FIT *HC-75* / SLOTTED LANTERN OIL RING Ø75X4.5X3.15 N-139 REF-77-038-0161 | GRAM 770380161 | HCT 8075HCT 4075 / 6075HC / HCL / HCH 2075HC / HCL / HCH 4075HC / HCL / HCH 6075HC / HCL / HCH 8075 | |||
SGM0120 | KIT 3 SEGMENTOS FIT *HC-75* / PISTON RING SET | GRAM | ||||
SGM0121 | KIT 8 SEGMENTOS FIT *HC-75-MK1+2* / KIT 8 PISTON RING SET 4 GROOVE REF-3188.560# | GRAM 3188560 | ||||
SGM0130 | KIT 24 SEGMENTOS FIT *HC/T-8075* / PISTON RING SET REF-77-580-8038 | GRAM 775808038 | ||||
SGM0140 | KIT 6 SEGMENTOS FIT *HC/T-75* / PISTON RING SET REF-3188.559 | GRAM 3188559 | ||||
SGM0200 | SEGMENTO COMPRESION FIT *HC-100* / PISTON RING TOP CROME COMPRESSION Ø100X3.5X4.2 N-168 REF-77-036-0245 | GRAM 770360245 | HCT 6100 / 8100 Mk2HC / HCT 100 Mk1HC / HCL / HCH 6100 / 8100 Mk2 | |||
SGM0205 | SEGMENTO CENTRAL FIT *HC-100* / SCRAPPER PISTON RING Ø100X3.5X3.9 N-169 REF-77-037-0125 | GRAM 770370125 | HCT 6100 / 8100 Mk2HC / HCT 100 Mk1HC / HCL / HCH 6100 / 8100 Mk2 | |||
SGM0210 | SEGMENTO ENGRASE FIT *HC-100* / SLOTTED OIL CONTROL RING Ø100X5.5 N-170 REF-77-038-0125 | GRAM 770380125 | HCT 6100 / 8100 Mk2HC / HCT 100 Mk1HC / HCL / HCH 6100 / 8100 Mk2 | |||
SGM0220 | KIT 8 SEGMENTOS FIT *HC-100-MK1+2* / KIT 8 PISTON RING 4 GROOVE REF-3188.561# | GRAM 773188561 3188561 | ||||
SGM0300 | SEGMENTO COMPRESION FIT *HC-125* / PISTON RING N-116 Ø125X3.00X5.30 REF-77-036-0250 | GRAM 770360250 | HC / HCT 8125 | |||
SGM0310 | SEGMENTO ENGRASE FIT *HC-125* / NAPIER (SCRAPER) RING NEW TYPE N-117 Ø125X6X5.0 REF-77-038-0130 | GRAM 770370130 770380130 | HC / HCT 8125 | |||
SGM0320 | KIT 3 SEGMENTOS FIT *HC-125* / SET 3 PISTON RING 2- Ø125X3.00X5.0 77-036-0250 + 1- Ø125X6X5.0 REF- 77-038-0130 | GRAM 770380130 | ||||
SGM0322 | KIT 8 SEGMENTOS FIT *HC/T-125+MK1+2* / SET 8 PISTON RING 3-GROOVE REF-3188.562# | GRAM 3188562 |