Description
Details
The function of rotary unions is to transfer fluid media from one end to the other while under rotating conditions.
The 2-passage, RRU-GM Series rotary unions feature specialized sealing technology suitable for vacuum and bidirectional pressures and two independent flow passages capable of transferring different media types simultaneously.
Features:
• General Purpose
• Available in Carbon Steel
• Reliable Usage With Dissimilar Medias
• Customized Options
TYP | NUMBER OF CIRCUITS | THROUGH BORE | MAXINMUM WORKING PRESSURE | ROTATING SPEED | CONNECTOR TYPE | SIZE | EXPECTED LIFE SPAN | DETAILS |
RRU-GM-02-10 | 2 | 10 | 40Mpa | 0~30rpm | G 3/8" | φ107*135 | 4000h | More |
RRU-GM-04-10 | 4 | 10 | 40Mpa | 0~30rpm | G 3/8" | φ107*188 | 4000h | More |
RRU-GM-06-10 | 6 | 10 | 40Mpa | 0~30rpm | G 3/8" | φ108*288 | 4000h | More |
RRU-GM-08-10 | 8 | 10 | 40Mpa | 0~30rpm | G 3/8" | φ126*346 | 4000h | More |
RRU-GM-120 | RRU-GM-121 | RRU-GM-220 | RRU-GM-221 | RRU-GM-320 | RRU-GM-321 | RRU-GM-420 | RRU-GM-421 | RRU-GM-621 | |
A | 0.203” [5.5mm] | 0.281” [6.60mm] | 0.281” [6.60mm] | 0.344” [9.00mm] | 0.281” [6.60mm] | 0.344” [9.00mm] | 0.344” [9.00mm] | 0.344” [9.00mm] | 0.531” [13.49mm] |
B | 2.437” [61.90mm] | 2.937” [74.60mm] | 2.937” [74.60mm] | 3.750” [95.25mm] | 3.187” [80.95mm] | 4.187” [106.35mm] | 3.875” [98.43mm] | 4.937” [125.40mm] | 7.187” [182.55mm] |
C | 2.000” [50.80mm] | 2.500” [63.50mm] | 2.500” [63.50mm] | 3.250” [82.55mm] | 2.750” [69.85mm] | 3.500” [88.90mm] | 3.188” [80.98mm] | 4.125” [104.78mm] | 6.250” [158.75mm] |
D | 2.250” [57.15mm] | 2.750” [69.85mm] | 2.687” [68.25mm] | 3.437” [87.30mm] | 2.937” [74.60mm] | 3.875” [98.43mm] | 3.500” [88.90mm] | 4.625” [117.48mm] | 6.750” [171.45mm] |
E | 2-014 O-Ring [N/A1] | 2-015 O-Ring [N/A1] | 2-017 O-Ring [N/A1] | 2-017 O-Ring [N/A1] | 2-019 O-Ring [N/A1] | 2-019 O-Ring [N/A1] | 2-023 O-Ring [N/A1] | 2-023 O-Ring [N/A1] | 2-128 O-Ring [N/A1] |
F | 0.16” [4.0mm] | 0.16” [4.0mm] | 0.25” [6.4mm] | 0.25” [6.4mm] | 0.38” [9.5mm] | 0.380” [9.5mm] | 0.500” [12.70mm] | 0.500” [12.70mm] | 1.000” [25.40mm] |
G | 0.812” [20.62mm] | 1.312” [33.32mm] | 1.000” [25.40mm] | 1.750” [44.45mm] | 1.187” [30.15mm] | 1.875” [47.63mm] | 1.437” [36.50mm] | 2.250” [57.15mm] | 3.000” [76.20mm] |
H | N/A | 0.50” [12.7mm] | N/A | 0.75” [19.1mm] | N/A | 0.750” [19.05mm] | N/A | 0.750” [19.05mm] | 1.000” [25.40mm] |
I | 3.35” [85.0mm] | 3.64” [92.4mm] | 4.37” [111.1mm] | 4.77” [121.2mm] | 4.71” [119.5mm] | 5.31” [134.9mm] | 5.39” [137.0mm] | 6.16” [156.4mm] | 8.60” [218.4mm] |
J | 1.83” [46.5mm] | 2.03” [51.6mm] | 2.26” [57.5mm] | 2.50” [63.6mm] | 2.36” [60.0mm] | 2.65” [67.2mm] | 2.71” [68.7mm] | 3.15” [79.9mm] | 4.37” [111.1mm] |
K | 0.88” [22.2mm] | 1.00” [25.4mm] | 1.00” [25.4mm] | 1.12” [28.5mm] | 1.00” [25.4mm] | 1.12” [28.5mm] | 1.19” [30.1mm] | 1.63” [41.3mm] | 2.25” [57.2mm] |
L | 0.250” [6.35mm] | 0.250” [6.35mm] | 0.250” [6.35mm] | 0.312” [7.92mm] | 0.250” [6.35mm] | 0.312” [7.92mm] | 0.312” [7.92mm] | 0.375” [9.53mm] | 0.625” [15.88mm] |
M | 1.625” [41.28mm] | 2.187” [55.55mm] | 2.000” [50.80mm] | 2.750” [69.85mm] | 2.375” [60.33mm] | 3.000” [76.20mm] | 2.750” [69.85mm] | 3.625” [92.08mm] | 5.000” [127.00mm] |
N | 0.125” [3.18mm] | 0.125” [3.18mm] | 0.125” [3.18mm] | 0.125” [3.18mm] | 0.125” [3.18mm] | 0.125” [3.18mm] | 0.125” [3.18mm] | 0.187” [4.75mm] | 0.187” [4.75mm] |
O | 1.54” [39.0mm] | 1.81” [45.97mm] | 1.94” [49.27mm] | 2.50” [63.50mm] | 2.25” [57.2mm] | 2.84” [3.18mm] | 2.58” [65.53mm] | 3.50” [88.90mm] | 5.25” [133.35mm] |
P | 1/8”-27 NPT [G1/8”-28 BSPP] | 1/8”-27 NPT [G1/8”-28 BSPP] | 1/4”-18 NPT [G1/4”-19 BSPP] | 1/4”-18 NPT [G1/4”-19 BSPP] | 3/8”-18 NPT [G3/8”-19 BSPP] | 3/8”-18 NPT [G3/8”-19 BSPP] | 1/2”-14 NPT [G1/2”-14 BSPP] | 1/2”-14 NPT [G1/2”-14 BSPP] | 1”-11.5 NPT [G1”-11 BSPP] |
Q | 0.549” [13.94mm] | 0.549” [13.94mm] | 0.828” [21.03mm] | 0.828” [21.03mm] | 0.950” [24.13mm] | 1.030” [26.16mm] | 1.106” [28.09mm] | 1.186” [30.12mm] | 1.794” [45.57mm] |
R | N/A | 0.730” [18.54mm] | N/A | 1.374” [34.90mm] | N/A | 1.374” [34.90mm] | N/A | 1.374” [34.90mm] | 1.374” [34.90mm] |
S | N/A | #4-40 [M3x0.5] | N/A | #10-24 [M5x0.8] | N/A | #10-24 [M5x0.8] | N/A | #10-24 [M5x0.8] | #10-24 [M5x0.8] |
T | #10-24 UNC [M5x0.8] | 1/4”-20 [M6x1.0] | 1/4”-20 [M6x1.0] | 5/16”-18 [M8x1.25] | 1/4”-20 [M6x1.0] | 5/16”-18 [M8x1.25] | 5/16”-18 [M8x1.25] | 5/16”-18 [M8x1.25] | 1/2”-13 [M12x1.75] |
U | 1.875" [47.63mm] | 2.375" [60.33mm] | 2.500" [63.50mm] | 3.250" [82.55mm] | 2.750" [69.85mm] | 3.625" [92.08mm] | 3.250" [82.55mm] | 4.125" [104.78mm] | 6.000" [152.40mm] |