Catalogues

Stal S51 / S57, 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/NOEM P/NDescription (from OEM manufacturer)Add
31894844CRotor housing (S51).
31894843CRotor housing (S57).
51894705APair of rotors (S51).
51894710APair of rotors (S57).
818947161Sliding valve stop (S51).
818947162Sliding valve stop (S57).
1118953151Guide block b) (S51, S57).
12BRGSTS501
18726401Bearing female and male rotor, outlet end (S51, S57).
13BRGSTS502
18726441Bearing male rotor, outlet end (S51, S57).
1418726621Distance sleeve (S51, S57).
1518726621Distance sleeve (S51, S57).
1618726681Sleeve for thrust reducing piston (S51).
16PSTSTS500
18726691Sleeve for thrust reducing piston (S57).
1718726701Thrust reducing piston (S51, S57(E)-26A, S57(E)-34A).
1718726711Thrust reducing piston (S57(E)-42A).
1818951761Distance sleeve c) (S57).
20RNGSTS53039215282530O-ring 144.3 x 5.7 (S51, S57).
2139215711428Key R12 x 8 x 25 SMS 695 (S51, S57).
22SNPCMIX15539215460178Retaining ring SgH (S51, S57).
241884071ASealing flange (S51).
24GKTSTS200A
39215211804Sealing flange S-610 B40 (S57).
25BLTCM1!2X3839212151286Sealing ring U6S1/2"-UNCx38 (S51, S57).
2639212691107Screw U6M1/2" UNC (S51, S57).
2739212201385Nut U9S5/8"UNCx70 (S51, S57).
2818726331Inlet end casing (S51, S57).
5118726341Outlet end cover (S51, S57).
53BRGSTS503
18726391Bearing female and male rotor, inlet end (S51, S57).
5618726411Seal holder (S51, S57).
5718726421Driver (S51, S57).
5818726431Seat holder (S51, S57).
5918726451Throw ring (S51, S57).
6018726461Cover, male rotor (S51, S57).
6118726511Guide block spindle (S51, S57).
62LNRSTS501
1872664ABearing housing, female rotor a) (S51, S57).
63LNRSTS500
1872666ABearing housing, male rotor a) (S51, S57).
64WASSTS667
18726671Distance washer (S51, S57).
66BLTCMA3!8X25H18736232Screw (S51, S57).
67FLGSTS636
18736361Adjusting nut a) (S51, S57).
68BLTCMA3!8X1-1!4H
18736371Screw (S51, S57).
691875268ASpring housing (S51, S57).
7118752691Gland (S51, S57).
721875278ASupport ring (S51, S57).
7318753151Spring sleeve (S51, S57).
7418753251Locking key (S51, S57).
7518762562Bushing (S51, S57).
7618762571Pipe connection (S51, S57).
7718766401Flange (S51, S57).
79CPLSTS00018766412Coupling flange, oil pump (S51, S57).
8018766421Coupling sleeve, oil pump (S51, S57).
811895388ADrive ring (S51, S57).
821878492AOil pump (S51, S57).
8318788321Clamping ring coupling (S51, S57).
8418940411Gland (S51, S57).
851895175AControl cylinder (S51, S57).
8618940521Piston rod c) (S51, S57).
8718940531Rod holder (S51, S57).
8818949881Nut (S51, S57).
891895005ASliding valve actuating piston (S51, S57).
9118965711Protective sleeve (S51, S57).
9218965721Cover, control cylinder (S51, S57).
93RODSTS57318965731Holder (S51, S57).
9518707591Probe d) (S51, S57).
9618720491Name plate (S51, S57).
97LCKMYS250046
18720571Dowel pin (S51, S57).
100GKTSTS569618726961Locking plate (S51, S57).
101GKTSTS569718726971Gasket, outlet and inlet end (S51, S57).
102LCKSTS56718745671Locking plate e) (S51, S57).
103LCKSTS56818745681Locking plate (S51, S57).
10418750001Spring, inner (S51, S57).
10518751101Spring, outer (S51, S57).
106RTNSTS276
18752761PTFE-ring (S51, S57).
107LCKSTS643
18766431Locking plate (S51, S57).
108GKTSTS501418940141Gasket, oil pump (S51, S57).
10918941231Number plate (S51, S57).
110BLTCMA1!4X16
18942511Bota Locking screw (S51, S57).
11118942631Patent number plate (S51, S57).
112BRGHW204050
18947761Ball bearing e) (S51, S57).
1131895338AOil strainer (S51, S57).
11418955951PTFE-ring (S51, S57).
11718961151Bushing (S51, S57).
12018739291Sign plate for direction of rotation (S51, S57).
121RNGSTS40439215282404O-ring, 19.2 x 3 (S51(E)-26A).
121RNGSTS40439215282404O-ring, 19.2 x 3 (S57(E)B-26A).
122RNGSTS40839215282408O-ring, 29.2 x 3 (S51).
122RNGSTS40939215282409O-ring, 29.2 x 3 (S57).
123RNGSTS40939215282409O-ring, 32.2 x 3 (S51).
123RNGSTS41239215282412O-ring, 32.2 x 3 (S57).
124RNGSTS41239215282412O-ring, 39.2 x 3 (S51).
124RNGSTS428
39215282428O-ring, 39.2 x 3 (S57).
125RNGSTS428
39215282428O-ring, 79.5 x 3 (S51).
125RNGSTS431
39215282431O-ring, 79.5 x 3 (S57).
126RNGSTS431
39215282431O-ring, 94.5 x 3 (S51).
126RNGSTS433
39215282433O-ring, 94.5 x 3 (S57).
127RNGSTS433
39215282433O-ring, 104.5 x 3 (S51).
127RNGSTS52439215282524O-ring, 104.5 x 3 (S57).
128RNGSTS52439215282524O-ring, 114.3 x 5.7 (S51).
128RNGSTS525
39215282525O-ring, 114.3 x 5.7 (S57).
130RNGSTS437
39215282437O-ring, 124.5 x 3 (S51, S57).
132PINCMC6X20
39211155353Dowel pin, CP6m6x20 (S51).
132PINCMC6X6039211155369Dowel pin, CP6m6x60 (S57).
133PINCMC10X3039211155458Dowel pin, CP10m6x30 (S51).
134PINCMC10X3039211155458Dowel pin, CP10m6x30 (S57).
135SELHW204MK234
39221610823Shaft seal, 109B 2 3/8" säte typ: J 2 1/8 (S51, S57).
136SPGCMW1039215401171Spring washer, FBB 10.2 (S51, S57).
13739212411171Pin, DrivKDS nr 2 x 6 (S51, S57).
13839218331375Lifting eye, LT 5/8"-UNC (S51).
13839218331423Lifting eye, LT 3/4"-UNC (S57).
13939218331423Lifting eye, LT 3/4"-UNC (S51).
140SRGSTS870
39215271870Sealing ring, DPSM 709010 x SE 70 (S51, S57).
141PLU7502239513151802Plug, Plugg P3J-A (S51).
141PLUCM3!8N39513151806Plug, Plugg P3J-C (S57).
142PLUCM3!8N39513151806Plug, Plugg P3J-C (S51).
14239513131808Plug, Propp (R 1/2") (S57).
14339513131808Plug, Propp (R 1/2") (S51).
143PLUSTS71818887181Plug, Propp (R 1") (S57).
144PLUSTS71818887181Plug, Propp (R 1") (S51, S57).
145DWLCM3X10
39211171205Guide pin, S-377.3x10 (S51, S57).
146DWLCM5X12
39211171304Guide pin, S-377.5x12 (S51, S57).
147DWLCM6X12
39211171335Guide pin, S-377.6x12 (S51, S57).
148GKT75214A39215213816Gasket ring, S-536.8x14 x 1.5 (S51).
148GKTSTS5840A39215213840Gasket ring, S-536.21,5 x 1.5 (S57).
149GKTSTS5840A39215213840Gasket ring, S-536.21,5 x 1.5 (S51).
149GKT98243A39215213865Gasket ring, S-536.34x42 x 1.5 (S57).
150GKT98243A39215213865Gasket ring, S-536.34x42 x 1.5 (S51).
150GKT02056A
39215213874Gasket ring, S-536.48x54x2 (S57).
151GKT02056A
39215213874Gasket ring, S-536.48x54x2 (S51).
151GKTSTS5860A39215213860Gasket ring, S-536.34x39x1.5 (S57).
152GKTSTS5860A39215213860Gasket ring, S-536.34x39x1.5 (S51).
152SNPCMIX05239215460143Retaining ring, SgH 52 (S57).
153SNPCMIX05239215460143Retaining ring, SgH 52 (S51).
153LCKCMKM13
39212641813Nut, SKF KM13 (S57).
154LCKCMKM13
39212641813Nut, SKF KM13 (S51).
154LCKCMMB13
39215441813Locking washer, SKF MB13 (S57).
155LCKCMMB13
39215441813Locking washer, SKF MB13 (S51).
15539212691105Nut, Mutter U6M1/2"UNC (S57).
15639212691105Nut, Mutter U6M1/2"UNC (S51).
156BLTCM1!4X13
39212151107Screw, U6S1/4"UNCx13 (S57).
160BLTCM1!4X13
39212151107Screw, U6S1/4"UNCx13 (S51).
160BLTCMA1!4X2539212151113Screw, U6S1/4"UNCx25 (S57).
161BLTCMA1!4X2539212151113Screw, U6S1/4"UNCx25 (S51).
161BLTCM5!16X38
39212151159Screw, U6S5/16"UNCx38 (S57).
162BLTCM5!16X38
39212151159Screw, U6S5/16"UNCx38 (S51).
162BLTCMA3!8X32
39212151197Screw, U6S3/8"UNCx38 (S57).
163BLTCMA3!8X32
39212151197Screw, U6S3/8"UNCx38 (S51).
163BLTCM3!8X7539212151207Screw, U6S3/8"x76 (S57).
164BLTCM3!8X7539212151207Screw, U6S3/8"x76 (S51).
164BLTCM1!2X7039212151293Screw, U6S5/8"UNCx51 (S57).
166BLTCM1!2X7039212151293Screw, U6S5/8"UNCx51 (S51).
166BLTCMA5!16X50
39212151381Screw, U6S1/2"UNCx70 (S57).
171BLTCMA5!16X50
39212151381Screw, U6S1/2"UNCx70 (S51).
171BLTCMA3!8X25
39212189194Screw, U6S3/8"UNCx25 (S57).
172BLTCMA3!8X25
39212189194Screw, U6S3/8"UNCx25 (S51).
172BLTCMA3!8X32
39212189197Screw, U6S3/8"UNCx32 (S57).
173BLTCMA3!8X32
39212189197Screw, U6S3/8"UNCx32 (S51).
173BLTCMA3!8X45
39212189201Screw, U6S3/8"UNCx45 (S57).
174BLTCMA3!8X45
39212189201Screw, U6S3/8"UNCx45 (S51).
174BLTCMA5!16X50
39212189381Screw, U6S5/8"UNCx81 (S57).
17639212261103Stop screw, USK6S1/4"x7.9 (S51).
176SPRCM1!4X1!239212261107Stop screw, USK6S1/4"x13 (S57).
177SPRCM1!4X1!239212261107Stop screw, USK6S1/4"x13 (S51).
178SPRCM1!4X3!839212251104Stop screw, UT6S1/4"x9.5 (S57).
NIBRGSTS500
3087010KIT 4 COJINETES MACHO + HEMBRA FIT STAL *S-51+57* / SET 4 MAIN BEARING MALE + FEMALE.
NIBRGSTS5123087012KIT 4 COJINETES MACHO + HEMBRA FIT STAL *S-50 BOOSTER* / SERVICE KIT BEARINGS BOOSTER.
NIBRGSTS5511874331ARRODAMIENTOS + ACCESORIOS FIT STAL *S-50* / THRUST BEARING RENOVATED.
NIFLRSTS006
1898460193X63X63X327 COALESCER ELEMENT FIT STAL *S-57+75*.
NIFLRSTS007_F
39526434060203X176X13.5X300 OIL FILTER ELEMENT FIBER FIT STAL *S-50+70* 1 SIDE CLOSE 60 MYC 1.102 M2.
NIFLRSTS03839526456010168X123X495 BRIDA DE 200 FIT STAL *S-51+57+70+80* / OIL FILTER ELEMENT WITH FLANGE D = 200 MM 1 SIDE CLOSE -.
NIFLRSTS640739526407120106X170 FILTER CARTRIDGE STAL *S-57 T3C-120 S-120* MIC.
NIGKTSTS203A
39215211812JUNTA ALUMINIO SELLO PRENSA FIT STAL *S-26+50* / ALUMINIUM GASKET SHAFT SEAL 164X154X4 DN-125.
NIGKTSTS526T18755262TEFLON RING OIL PRESS REGULATOR FIT *S-57* 38X28X2.
NIGKTSTS552418755241GASKET OIL PRESS REGULATOR FIT STAL *S-57* 4 HOLES.
NIGKTSTS555918955591JUNTA CUERPO STAL FIT *S-51+57-A+F* / SET OF GASKETS.
NIGKTSTS598018949804GASKET FIT *S-50* 500X750X0.4 SHEET.
NIGKTSTS7818A
39215211818JUNTA ALUMINIO CONEXION LADO DESCARGA FIT STAL *S-50+70* / ALLUMIUM GASKET CONNECTION DISCHARGE SIDE 215X205X5 DN 175.
NIGKTSTS7944
18749441JUNTA TAPA SELLO PRENSA FIT STAL *S-50* / GASKET SHAFT SEAL Nº 103.
NIGKTSTS7945
18749451JUNTA TAPA SELLO PRENSA FIT STAL *S-50* / GASKET SHAFT SEAL Nº 103.
NIGKTSTS819
18978191GASKET OIL FILTER STAL *S-50/70* S-UNIT 340X274X0.8 FLAT GASKET FULL FACE FLANGE WITH 16 HOLES.
NIKITSTS5001895040AJUEGO JUNTAS STAL FIT *S-51+57-A+F* / SET OF GASKET.
NIKITSTS5011905385AJUEGO JUNTAS STAL FIT *S-51+57-F+M* / SET OF GASKET.
NIKITSTS53931894393AJUEGO JUNTAS STAL FIT *S-51+57* /SET OF GASKET OIL PUMP.
NIKITSTS57973084797JUEGO JUNTAS STAL FIT *S-50* /SET OF GASKET CONNECTIONS.
NILCKSTS4681894468BLOCKING WIRE 0.70MMX20M FIT *STAL S-50*.
NIPMPSTS5001905580CBOMBA ACEITE SOLA FIT STAL *S-51+57* / OIL PUMP.
NIPMPSTS5011905580DKIT BOMBA ACEITE FIT STAL *S-51+57* / OIL PUMP KIT.
NIRNGSTS49439215297515JUNTA TORICA FIT STAL *S-50+R-5*+MYCOM *160* / O RING 74.2X5.7 NR294 NBR.
NIRNGSTS61939215282619O-RING FIT STAL *S-57* NBR 209.1X8.4 P-210.
NIRNGSTS62139215282621O-RING FIT STAL *S-57* NBR 229.1X8.4 P-230.
NIRNGSTS62239215282622O-RING FIT STAL *S-57* NBR 239.1X8.4 P-240.
NIRNGSTS93839215296938JUNTA TORICA STAL FIT *S-50* /O RING 40.0X4.0 NR1497.
NIRTNSTS101
19051011ANILLO GUIA TEFLON FIT STAL *S-50* / TEFLON SOLE GUIDE RING DELTA-43X40X5.1 PTFE.
NIRTNSTS596
18955961ANILLO GUIA TEFLON FIT STAL *S-50* / TEFLON SOLE GUIDE RING 35.2X30X4 ECOT-4 PTFE.
NIRTNSTS949
18959491189ANILLO GUIA TEFLON FIT STAL *S-50* / TEFLON SOLE GUIDE RING F1-44X40X9.5 PTFE.
NISELHW204MK234
3087009SERVICE KIT SHAFT SEAL FIT STAL *S-50* 2-3/8".
NISKTSTS0113087011KIT ASSEMBLY FIT STAL *S-50* (NOT COMPLETE).
NISKTSTS8803084880KIT FILTRO FIT *S-50/70* (FLRSS007)/SERVICE KIT UNIT OIL FILTER.
NISPGSTS53018755301SPRING OIL PRESS REGULATOR FIT STAL *S-57*.
NISSTSTS5003084725SERVICE SET STAL FIT *S-51+57* 40.000 HOURS.
NISSTSTS500B3084727SERVICE SET STAL FIT *S-50 BOOSTER* 40.000 HOURS.
NIWHLSTR571904965BMULTIPLICADOR FIT STAL *R-57-MK2* GEN E + POSTERIORES / SET PINION + GEAR *R-57* GEN E + ONWARDS.
NIWHLSTR57A19022377RUEDA DENTADA ARRASTRE MOTOR FIT STAL *R-57* COMUN / PINION *R-57 MK1+2 GEN A + ONWARDS* 1902 237-7.
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