Mycom GH250S/L, Screw compressor, Open
Use this catalogue to identify the spare parts you need to repair your compressor. The OEM catalogue is crossreferenced with our spare parts database, matched items are highlighted. Some of our existing spare parts may not be shown because our database is incomplete (e.g. missing OEM P/N), or because we sell the items separatelly (typical example is the piston-connecting rod assembly). If you have any doubt please ask us.
All OEM manufacturer's names, part numbers, diagrams, products description and information are provided for reference and identification purposes only, and it is not implied that any part listed is the product of the OEM manufacturer.
| Item num. | Ralco P/N | OEM P/N | Description (from OEM manufacturer) | Add | |
|---|---|---|---|---|---|
| 1 | CS00107TG250S | Rotor Casing (GH250S). | |||
| 1 | CS00107TG250L | Rotor Casing (GH250L). | |||
| 2-B | CS00200GH250 | Stud Bolt (GH250S M24×115). | |||
| 2-B | CS01800GH250S | Stud Bolt (GH250L M24×205). | |||
| 2-N | NC14024H | Hexagon Nut (M24, P3). | |||
| 3 | NE242A16070A | Parallel Pin with Internal Thread (φ16×70 with groove). | |||
| 5 | CS00507TG250 | Suction Cover (GH250S). | |||
| 5 | CS00507TG250 | Suction Cover (GH250L). | |||
| 6-1 | RNGMYGH2506 | CS00600GH250 | O-ring (544. 8×. 4). | ||
| 6-2 | PC11046 | O-ring (JIS B2401 P46 FKM-70). | |||
| 7 | NB60030 | Eyebolt (M30). | |||
| 9 | RNGSTS424 | PC12070 | O-ring (JIS B2401 G70 FKM-70). | ||
| 10-A | NF062N006 | Plug (NPT3/4"). | |||
| 10-B | NF062N004 | Plug (NPT1/2"). | |||
| 10-C | NF062N006 | Plug (NPT3/4"). | |||
| 10-D | NF062N004 | Plug (NPT1/2"). | |||
| 10-E | NF062N004 | Plug (NPT1/2"). | |||
| 10-F | NF062N003 | Plug (NPT3/8"). | |||
| 10-G | NF062N004 | Plug (NPT1/2"). | |||
| 11 | CS01107TG250 | Bearing Head. | |||
| 14 | DWLCM6X12 | NE3206012 | Spring Pin (φ6×12). | ||
| 15-A | NF062N004 | Plug (NPT1/2"). | |||
| 15-B | NF062N008 | Plug (NPT1"). | |||
| 15-C | NF062N004 | Plug (NPT1/2"). | |||
| 16 | CS01607TG250 | Bearing cover (GH250). | |||
| 17 | CS01700GH250 | O-ring (497.3×8. 4 FKM-70). | |||
| 18-B | CS01800GH250S | Stud Bolt (M24×205). | |||
| 18-N | NC14024H | Hexagon Nut (M24,P=3). | |||
| 19 | NE242A16090A | Parallel Pin with Internal Thread (φ16×90 with groove). | |||
| 22-M | CS02207TG250M | Balance Piston Cover (M) (GH250). | |||
| 22-F | CS02207TG250F | Balance Piston Cover (F) (GH250). | |||
| 23-M | RNGMYB027 | PC12230 | O-ring (JIS B2401 G230 FKM-70). | ||
| 23-F | PC12170 | O-ring (JIS B2401 G170 FKM-70). | |||
| 24 | BLTCMA16X070 | NB35416070 | Hexagon Socket Head Cap Screw (M16×70). | ||
| 25 | CS02511G250SM | Male Rotor (GH250S). | |||
| 26 | CS02511G250SF | Female Rotor. | |||
| 25 | CS02511G250LM | Male Rotor (GH250L). | |||
| 26 | CS02511G250LF | Female Rotor. | |||
| 27 | CS02700GH250 | Main Bearing (GH250). | |||
| 28-1 | CS02800GH250A | Floating Seal (A) (GH250). | |||
| 28-2 | PC12130 | O-ring (JIS B2401 G130 FKM-70). | |||
| 29 | NG11155 | C Type Retaining Ring (Snap Ring) (H155 C type-internal). | |||
| 30 | CS03000GH250M | Balance Piston (M) (φ190/φ185/φ160 choice). | |||
| 31 | KEYMYS250031 | CS03100250 | Key, Balance Piston (M) (250S/LD standard). | ||
| 32-1 | CS03200GH250 | Lock Nut (M50×1.5 special). | |||
| 32-2 | LCKCMMB10 | NG32010 | Lock Washer (JIS B1554 AW10-A). | ||
| 33-3 | CS02800GH250B | Floating Seal (B) (GH250). | |||
| 33-M | CS03300GH250M | Balance Piston Sleeve (M) (φ190/φ185/φ160 choice). | |||
| 33-F1 | CS03300GH250F | Balance Piston Sleeve (F) (GH250 φ55). | |||
| 33-F2 | CS03000GH250F | Balance Piston (F) (GH250). | |||
| 33-F4 | DM021002 | Key, Balance Piston (F) (same as for M80P). | |||
| 33-F5 | SNPCMEX040 | NG12040 | Snap Ring (Retaining/Stop Ring) (S40 C type-external). | ||
| 34-1 | DWLCM6X12 | NE3206012 | Spring Pin (φ6×12). | ||
| 34-2M | CS03400GH250B | Gland, Floating Seal (B) (GH250). | |||
| 34-3 | NB35408020 | Hexagon Socket Head Cap Screw (M8×20). | |||
| 34-4 | ND160008H | Conical Spring Washer (M8 for Hex head cap screw). | |||
| 35-MS1 | PC11225 | O-ring (JIS B2401 P225 FKM-70). | |||
| 35-MS2 | PG11T2225 | Backup Ring (SUN-2BP-225-T2 PTFE). | |||
| 35-MS3 | RNGSTS424 | PC12070 | O-ring (JIS B2401 G70 FKM-70). | ||
| 35-M | PC12065 | O-ring (JIS B2401 G65 FKM-70). | |||
| 35-F | PC12055 | O-ring (JIS B2401 G55 FKM-70). | |||
| 38-M | CS038TH25MORI | Thrust Bearing Assembly (M) (GH250 TPTB). | |||
| 38-F | CS038TH25FORI | Thrust Bearing Assembly (F) (GH250 TPTB). | |||
| 39-M1 | NG31015 | Lock Nut (AN15). | |||
| 39-M2 | CS03900GH250M2 | Lock Nut (M75×2.0 special). | |||
| 39-F | NG31014 | Lock Nut (AN14). | |||
| 41-M | CS04100GH250M | Spacer, Thrust Bearing Outer Race (M) (GH250). | |||
| 41-F | CS04100GH250F | Spacer, Thrust Bearing Outer Race (F) (GH250). | |||
| 42-M | CS04200GH250M | Spacer, Thrust Bearing Alignment (M) (GH250). | |||
| 42-F | CS04200GH250F | Spacer, Thrust Bearing Alignment (F) (GH250). | |||
| 43-M | CS04300GH250M | Thrust Bearing Gland (M) (GH250). | |||
| 43-F | CS04300GH250F | Thrust Bearing Gland (F) (GH250). | |||
| 44-M | PC12195 | O-ring (JIS B2401 G195 FKM-70). | |||
| 44-F | PC12160 | O-ring (JIS B2401 G160 FKM-70). | |||
| 45-M | NB111016050 | Hexagon Head Screw (M16×50). | |||
| 45-F | NB35412045 | Hexagon Socket Head Cap Screw (M12×45). | |||
| 46-M | ND150016H | Conical Spring Washer (M16 for Hex head screw). | |||
| 46-F | ND160012H | Conical Spring Washer (M12 for Hex head cap screw). | |||
| 53 | BLTCMA16X070 | NB35416070 | Hexagon Socket Head Cap Screw (M16×70). | ||
| 54 | CS05404GH250S | Unloader Slide Valve (GH250S VI=L/M/H choice). | |||
| 54 | CS05404GH250L | Unloader Slide Valve (GH250L VI=L/M/H choice). | |||
| 58 | BLTCMA16X065 | NB35416065 | Hexagon Socket Head Cap Screw (M16×65). | ||
| 59 | ND160016H | Conical Spring Washer (M16 for Hex head screw). | |||
| 60 | CS06007TG250 | Unloader Cylinder (GH250S). | |||
| 60 | CS06007TG250L | Unloader Cylinder (GH250L). | |||
| 61 | NB35416100 | Hexagon Socket Head Cap Screw (GH250L M16×100). | |||
| 63 | PC12160 | O-ring (JIS B2401 G160 FKM-70). | |||
| 64 | CS06400GH250 | Unloader Piston (GH250). | |||
| 65 | PC11140 | O-ring (JIS B2401 P140 FKM-70). | |||
| 66 | CS066003225 | Cap Seal (SUNR-BE-140 (S4101)). | |||
| 67 | CS06700GH250S | Push Rod, Unloader Slide Valve (GH250S). | |||
| 67 | CS06700GH250L | Push Rod, Unloader Slide Valve (GH250L). | |||
| 69-B | CS06900GH250 | Lock Nut for Displacement Sensor (GH250S AN08). | |||
| 70 | LCKCMMB08 | NG32008 | Lock Washer (JIS B1554 AW08-A). | ||
| 73 | PC12035 | O-ring (JIS B2401 G35 FKM-70). | |||
| 74 | CS07400TG250 | Unloader Cover. | |||
| 75 | PC12145 | O-ring (JIS B2401 G145 FKM-70). | |||
| 76 | NB35416120 | Hexagon Socket Head Cap Screw (M16×120). | |||
| 76-1 | NB35416150 | Hexagon Socket Head Cap Screw (M16×150). | |||
| 76-2 | BLTCMA16X090 | NB35416090 | Hexagon Socket Head Cap Screw (M16×90). | ||
| 91 | CS09100GH250 | Coupling Key (GH250). | |||
| 92 | CS741A60060 | Suction Flange (ANSI #600 6"). | |||
| 93 | CS747J60RF060 | Suction Flange Gasket (V/#8596 JPI #600 RF 6"). | |||
| 94-B | NBU5801008U | Stud Bolt (1-8UNC×135). | |||
| 94-N | NCU161008 | Hexagon Nut (1-8UNC). | |||
| 95 | CS741A60060 | Discharge Flange (ANSI #600 6"). | |||
| 96 | CS747J60RF060 | Discharge Flange Gasket (V/#8596 JPI #600 RF 6"). | |||
| 97-B | NBU5801008U | Stud Bolt (1-8UNC×135). | |||
| 97-N | NCU161008 | Hexagon Nut (1-8UNC). | |||
| 100 | CS10000GH250 | Mechanical Shaft Seal Assembly (GH250). | |||
| 101 | LCKCMKM17 | NG31017 | Lock Nut (AN17). | ||
| 102 | PC12080 | O-ring (JIS B2401 G80 FKM-70). | |||
| 120 | CS12000GH250 | Unloader Indicator Assembly (Displacement sensor Assy). | |||
| 120 | CS12000GH250L | Unloader Indicator Assembly (Displacement sensor Assy). | |||
| 215-A | CS741A60004 | Cover Flange, Main Bearing Lubrication Port (ANSI #600 1/2"). | |||
| 215-B | CS741A60004 | Cover Flange, Side Bearing Lubrication Port (ANSI #600 1/2"). | |||
| 215-C | CS741A60006 | Cover Flange, Balance Piston M Lubrication Port (ANSI #600 RF 3/4"). | |||
| 215-D | CS741A60004 | Cover Flange, Balance Piston F Lubrication Port (ANSI #600 1/2"). | |||
| 215-E | CS741A60004 | Cover Flange, Mechanical Seal Lubrication Port (ANSI #600 1/2"). | |||
| 215-F | CS741A60004 | Cover Flange, Unloader Lubrication Port (ANSI #600 1/2"). | |||
| 216-A | CS747J60RF004 | Flange Gasket, 215-A (V/#8596 JPI #600 RF 1/2"). | |||
| 216-B | CS747J60RF004 | Flange Gasket, 215-B (V/#8596 JPI #600 RF 1/2"). | |||
| 216-C | CS747J60RF006 | Flange Gasket, 215-C (V/#8596 JPI #600 RF 3/4"). | |||
| 216-D | CS747J60RF004 | Flange Gasket, 215-D (V/#8596 JPI #600 RF 1/2"). | |||
| 216-E | CS747J60RF004 | Flange Gasket, 215-E (V/#8596 JPI #600 RF 1/2"). | |||
| 216-F | CS747J60RF004 | Flange Gasket, 215-F (V/#8596 JPI #600 RF 1/2"). | |||
| 217-AB | NBU5800413U | Stud Bolt (1/2-13UNC×75). | |||
| 217-BB | NBU5800413U | Stud Bolt (1/2-13UNC×75). | |||
| 217-CB | NBU5800511U | Stud Bolt (5/8-11UNC×85). | |||
| 217-DB | NBU5800413U | Stud Bolt (1/2-13UNC×75). | |||
| 217-EB | NBU5800413U | Stud Bolt (1/2-13UNC×75). | |||
| 217-FB | NBU5800413U | Stud Bolt (1/2-13UNC×75). | |||
| 217-AN | NCU160413 | Hexagon Nut (1/2-13UNC). | |||
| 217-BN | NCU160413 | Hexagon Nut (1/2-13UNC). | |||
| 217-CN | NCU1505/811UNC | Hexagon Nut (5/8-11UNC). | |||
| 218 | CS741A60014 | Cover Flange, Oil Injection Port (ANSI #600 1-1/2"). | |||
| 219 | CS747J60RF014 | Gasket, Oil Injection Flange (V/#8596 JPI #600 RF1-1/2"). | |||
| 220-B | NBU5800610U | Stud Bolt (3/4-10UNC×95). | |||
| 220-N | NCU160610 | Hexagon Nut (3/4-10UNC). | |||
| 246 | CS24600GH250 | Unloader Slide Valve Guide (GH250). | |||
| 247 | NB35408030 | Hexagon Socket Head Cap Screw (M8×30). | |||
| 248 | ND160008H | Conical Spring Washer (M8 for Hex head cap screw). | |||
| 249 | NE242A10040A | Parallel Pin with Internal Thread (φ10×40 with groove). | |||
| 325-1 | PC11050 | O-ring (JIS B2401 P50 FKM-70). | |||
| 325-2 | PG11T2050 | Backup Ring (SUN-2BP-50-T2 PTFE). | |||
| 325-3 | CS1060WEARINGGH250 | Wearing (WHR50 PTFE). | |||
| 326 | CS32600GH250 | O-ring Gland. | |||
| 432 | PC12140 | O-ring (JIS B2401 G140 FKM-70). | |||
| 456 | NB35408020 | Hexagon Socket Head Cap Screw (M8×20). | |||
| 605 | NF062N008 | Plug (NPT1"). | |||
| 662 | PC12035 | O-ring (JIS B2401 G35 FKM-70). | |||
| 663 | NB35403016 | Hexagon Socket Head Cap Screw (M3×16). | |||
| 697 | ND320003 | Spring Washer (M3). |
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