GPS Series Rotary Unions & Joints

DSTI

7500 PSI(515 BAR), 500rpm, 30 HG, -18° C to 105° C

DSTI GPS Series Rotary Unions & Joints

The DSTI GPS Series rotary unions are available in 2, 3, 4, 6, 8, 10 and 12 passage models. These general-purpose, corrosion-resistant rotary unions feature specialized sealing technology suitable for vacuum and bidirectional pressures and independent flow passages capable of transferring different media types simultaneously.

PARTCONNECTIONPASSAGE SIZEDIAMETERLENGTHTHROUGH BOREMIN. TORQUE
GPS-120 [GPSM-120]1/8″-27 NPT
[G1/8″-28 BSPP]
3.962 mm61.9 mm85.014 mmNone0.68 Nm
GPS-121[GPSM-121]1/8″-27 NPT[G1/8″-28 BSPP]0.156″[3.962 mm]2.937″[74.6 mm]3.637″[92.38 mm]0.500″[12.7 mm]1.9 ft-lbs[2.58 Nm]
GPS-220[GPSM-220]1/4″-18 NPT[G1/4″-19 BSPP]0.250″[6.35 mm]2.937″[74.6 mm]4.374″[111.1 mm]None3.9 ft-lbs[5.29 Nm]
GPS-221[GPSM-221]1/4″-18 NPT[G1/4″-19 BSPP]0.250″[6.35 mm]3.750″[95.25 mm]4.773″[121.234 mm]0.750″[19.05 mm]5.7 ft-lbs[7.73 Nm]
GPS-320[GPSM-320]3/8″-18 NPT[G3/8″-19 BSPP]0.375″[9.525 mm]3.187″[80.95 mm]4.706″[119.533 mm]None4 ft-lbs[5.42 Nm]
GPS-321[GPSM-321]3/8″-18 NPT[G3/8″-19 BSPP]0.375″[9.525 mm]4.187″[106.35 mm]5.312″[134.925 mm]0.750″[19.05 mm]7.1 ft-lbs[9.63 Nm]
GPS-420[GPSM-420]1/2″-14 NPT[G1/2″-14 BSPP]0.500″[12.7 mm]3.875″[98.425 mm]5.392″[136.957 mm]None5.7 ft-lbs[7.73 Nm]
GPS-421[GPSM-421]1/2″-14 NPT[G1/2″-14 BSPP]0.500″[12.7 mm]4.937″[125.4 mm]6.220″[157.988 mm]0.750″[19.05 mm]12.2 ft-lbs[16.54 Nm]
GPS-621[GPSM-621]1″-11.5 NPT[G1″-11 BSPP]1.000″[25.4 mm]7.187″[182.55 mm]8.600″[218.44 mm]1.000″[25.4 mm]24.4 ft-lbs[33.08 Nm]
GPS-130[GPSM-130]1/8″-27 NPT[G1/8″-28 BSPP]0.156″[3.962 mm]2.687″[68.25 mm]4.147″[105.334 mm]None1.5 ft-lbs[2.03 Nm]
GPS-131[GPSM-131]1/8″-27 NPT[G1/8″-28 BSPP]0.156″[3.962 mm]2.937″[74.6 mm]4.186″[106.325 mm]0.500″[12.7 mm]2.6 ft-lbs[3.53 Nm]
GPS-230[GPSM-230]1/4″-18 NPT[G1/4″-19 BSPP]0.250″[6.35 mm]3.187″[80.95 mm]5.290″[134.366 mm]None5.3 ft-lbs[7.19 Nm]
GPS-231[GPSM-231]1/4″-18 NPT[G1/4″-19 BSPP]0.250″[6.35 mm]3.750″[95.25 mm]5.601″[142.266 mm]0.750″[19.05 mm]7.6 ft-lbs[10.3 Nm]
GPS-330[GPSM-330]3/8″-18 NPT[G3/8″-19 BSPP]0.375″[9.525 mm]3.875″[98.425 mm]6.030″[153.162 mm]None7.6 ft-lbs[10.3 Nm]
GPS-331[GPSM-331]3/8″-18 NPT[G3/8″-19 BSPP]0.375″[9.525 mm]4.187″[106.35 mm]6.342″[161.087 mm]0.750″[19.05 mm]9.5 ft-lbs[12.88 Nm]
GPS-430[GPSM-430]1/2″-14 NPT[G1/2″-14 BSPP]0.500″[12.7 mm]4.250″[107.95 mm]7.061″[179.35 mm]None9.5 ft-lbs[12.88 Nm]
GPS-431[GPSM-431]1/2″-14 NPT[G1/2″-14 BSPP]0.500″[12.7 mm]4.937″[125.4 mm]7.406″[188.113 mm]0.750″[19.05 mm]16.2 ft-lbs[21.96 Nm]
GPS-530[GPSM-530]3/4″-14 NPT[G3/4″-14 BSPP]0.750″[19.05 mm]5.250″[133.35 mm]8.280″[210.312 mm]None16.2 ft-lbs[21.96 Nm]
GPS-630[GPSM-630]1″-11.5 NPT[G1″-11 BSPP]1.000″[25.4 mm]6.937″[176.2 mm]10.570″[268.479 mm]None24.7 ft-lbs[33.49 Nm]
GPS-140[GPSM-140]1/8″-27 NPT[G1/8″-28 BSPP]0.156″[3.962 mm]2.687″[68.25 mm]4.696″[119.279 mm]None1.9 ft-lbs[2.58 Nm]
GPS-141[GPSM-141]1/8″-27 NPT[G1/8″-28 BSPP]0.156″[3.962 mm]2.937″[74.6 mm]4.735″[120.269 mm]0.500″[12.7 mm]3.2 ft-lbs[4.34 Nm]
GPS-240[GPSM-240]1/4″-18 NPT[G1/4″-19 BSPP]0.250″[6.35 mm]3.187″[80.95 mm]6.118″[155.398 mm]None6.6 ft-lbs[8.95 Nm]
GPS-241[GPSM-241]1/4″-18 NPT[G1/4″-19 BSPP]0.250″[6.35 mm]3.750″[95.25 mm]6.327″[160.706 mm]0.750″[19.05 mm]9.5 ft-lbs[12.88 Nm]
GPS-340[GPSM-340]3/8″-18 NPT[G3/8″-19 BSPP]0.375″[9.525 mm]3.875″[98.425 mm]6.980″[177.292 mm]None9.5 ft-lbs[12.88 Nm]
GPS-341[GPSM-341]3/8″-18 NPT[G3/8″-19 BSPP]0.375″[9.525 mm]4.187″[106.35 mm]7.372″[187.249 mm]0.750″[19.05 mm]11.9 ft-lbs[16.13 Nm]
GPS-440[GPSM-440]1/2″-14 NPT[G1/2″-14 BSPP]0.500″[12.7 mm]4.250″[107.95 mm]8.247″[209.474 mm]None11.9 ft-lbs[16.13 Nm]
GPS-441[GPSM-441]1/2″-14 NPT[G1/2″-14 BSPP]0.500″[12.7 mm]4.937″[125.4 mm]8.592″[218.237 mm]0.750″[19.05 mm]20.3 ft-lbs[27.52 Nm]
GPS-540[GPSM-540]3/4″-14 NPT[G3/4″-14 BSPP]0.750″[19.05 mm]5.250″[133.35 mm]9.730″[247.142 mm]None20.3 ft-lbs[27.52 Nm]
GPS-641[GPSM-641]1″-11.5 NPT[G1″-11 BSPP]1.000″[25.4 mm]7.187″[182.55 mm]12.190″[309.627 mm]1.000″[25.4 mm]40.7 ft-lbs[55.18 Nm]
GPS-161[GPSM-161]1/8″-27 NPT[G1/8″-28 BSPP]0.156″[3.962 mm]3.187″[80.95 mm]6.483″[164.669 mm]0.500″[12.7 mm]6 ft-lbs[8.13 Nm]
GPS-261[GPSM-261]1/4″-18 NPT[G1/4″-19 BSPP]0.250″[6.35 mm]4.000″[101.6 mm]8.175″[207.645 mm]0.750″[19.05 mm]9.8 ft-lbs[13.29 Nm]
GPS-361[GPSM-361]3/8″-18 NPT[G3/8″-19 BSPP]0.375″[9.525 mm]4.250″[107.95 mm]8.963″[227.661 mm]0.750″[19.05 mm]13.1 ft-lbs[17.76 Nm]
GPS-460[GPSM-460]1/2″-14 NPT[G1/2″-14 BSPP]0.500″[12.7 mm]4.937″[125.4 mm]10.000″[254.001 mm]None22.3 ft-lbs[30.23 Nm]
GPS-561[GPSM-561]3/4″-14 NPT[G3/4″-14 BSPP]0.750″[19.05 mm]6.437″[163.5 mm]13.230″[336.043 mm]1.000″[25.4 mm]43.3 ft-lbs[58.71 Nm]
GPS-180[GPSM-180]1/8″-27 NPT[G1/8″-28 BSPP]0.156″[3.962 mm]3.437″[87.3 mm]7.488″[190.196 mm]None10.4 ft-lbs[14.1 Nm]
GPS-280[GPSM-280]1/4″-18 NPT[G1/4″-19 BSPP]0.250″[6.35 mm]4.250″[107.95 mm]9.609″[244.069 mm]None15.4 ft-lbs[20.88 Nm]
GPS-380[GPSM-380]3/8″-18 NPT[G3/8″-19 BSPP]0.375″[9.525 mm]4.937″[125.4 mm]10.000″[254.001 mm]None26.4 ft-lbs[35.79 Nm]
GPS-480[GPSM-480]1/2″-14 NPT[G1/2″-14 BSPP]0.500″[12.7 mm]5.625″[142.875 mm]10.000″[254.001 mm]None32.5 ft-lbs[44.06 Nm]
GPS-201-10[GPSM-201-10]1/4″-18 NPT[G1/4″-19 BSPP]0.250″[6.35 mm]3.687″[93.65 mm]10.000″[254.001 mm]0.750″[19.05 mm]14.7 ft-lbs[19.93 Nm]
GPS-301-10[GPSM-301-10]3/8″-18 NPT[G3/8″-19 BSPP]0.375″[9.525 mm]3.937″[100 mm]13.620″[345.949 mm]0.750″[19.05 mm]23.3 ft-lbs[31.59 Nm]
GPS-201-12[GPSM-201-12]1/4″-18 NPT[G1/4″-19 BSPP]0.250″[6.35 mm]4.437″[112.7 mm]13.380″[339.853 mm]0.750″[19.05 mm]19.2 ft-lbs[26.03 Nm]
GPS-301-12[GPSM-301-12]3/8″-18 NPT[G3/8″-19 BSPP]0.375″[9.525 mm]4.937″[125.4 mm]15.370″[390.399 mm]0.750″[19.05 mm]26.2 ft-lbs[35.52 Nm]

 

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DSTI GPS Series Rotary Unions & Joints 

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GPS Series Rotary Unions & Joints

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