RRU-GM-04

Rotary Union Joints

Maximum Pressure： 7,500PSI[515BAR] 

Maximum Speed：100 PRM 

Connection Type：NPT/BSPP/O-Ring Connection Options 

Suitable Media ：Air/Gas,Coolant,Oil/Hydraulic,Water/Glycol

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Description
Details

The function of rotary unions is to transfer fluid media from one end to the other while under rotating conditions. 


The 4-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

TYPNUMBER
     OF
     CIRCUITS		THROUGH
     BORE		MAXINMUM
     WORKING
     PRESSURE		ROTATING
     SPEED		CONNECTOR
     TYPE		SIZEEXPECTED
     LIFE SPAN		DETAILS
RRU-GM-02-1021040Mpa0~30rpmG    3/8"φ107*1354000h　More
RRU-GM-04-1041040Mpa0~30rpmG    3/8"φ107*1884000hMore
RRU-GM-06-1061040Mpa0~30rpmG    3/8"φ108*2884000hMore
RRU-GM-08-1081040Mpa0~30rpmG    3/8"φ126*3464000hMore

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　RRU-GM-140 RRU-GM-141 RRU-GM-240 RRU-GM-241 RRU-GM-340 RRU-GM-341 RRU-GM-440 RRU-GM-441 RRU-GM-540 RRU-GM-641 
A0.281”
     [6.60mm]		0.281”
     [6.60mm]		0.281”
     [6.60mm]		0.344”
     [9.00mm]		0.344”
     [9.00mm]		0.344”
     [9.00mm]		0.344” [9.00mm]0.344” [9.00mm]0.406”
     [11.00mm]		0.531” [13.49mm]
B2.687” [68.24mm]2.937” [74.60mm]3.187” [80.95mm]3.750” [95.25mm]3.875” [98.43mm]4.187” [106.35mm]4.250” [107.95mm]4.937” [125.40mm]5.187”
     [131.75mm]		7.187” [182.55mm]
C2.250” [57.15mm]2.500” [63.50mm]2.750” [69.85mm]3.250” [82.55mm]3.187” [80.95mm]3.500” [88.90mm]3.625” [92.08mm]4.125” [104.78mm]4.375”
     [111.13mm]		6.250” [158.75mm]
D2.500” [63.50mm]2.750” [69.85mm]2.937” [74.60mm]3.437” [87.30mm]3.562” [90.47mm]3.875” [98.43mm]3.937” [100.00mm]4.625” [117.48mm]4.812”
     [122.22mm]		6.750” [171.45mm]
E2-015 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]2-026 O-Ring [N/A1]2-128 O-Ring [N/A1]
F0.16”
     [4.00mm]		0.16”
     [4.0mm]		0.25”
     [6.4mm]		0.25”
     [6.4mm]		0.38”
     [9.5mm]		0.38”
     [9.5mm]		0.50”
     [12.7mm]		0.50”
     [12.7mm]		0.75”
     [19.1mm]		1.00”
     [25.4mm]
G1.062” [26.97mm]1.312”
     [33.32mm]		1.375”
     [34.93mm]		1.750” [44.45mm]1.500”
     [38.10mm]		1.875” [47.63mm]1.750” [44.45mm]2.250” [57.15mm]2.125”
     [53.98mm]		3.000” [76.20mm]
HN/A0.50”
     [12.7mm]		N/A0.75”
     [19.1mm]		N/A0.75”
     [19.1mm]		N/A0.75”
     [19.1mm]		N/A1.00”
     [25.4mm]
I4.70”
     [119.3mm]		4.74”
     [120.3mm]		6.12”
     [155.4mm]		6.33”
     [160.7mm]		6.98”
     [177.3mm]		7.37”
     [187.2mm]		8.25” [209.5mm]8.59” [218.2mm]9.73”
     [247.1mm]		12.19” [309.5mm]
J1.99”
     [50.6mm]		2.03”
     [51.6mm]		2.30”
     [58.4mm]		2.50”
     [63.6mm]		2.63”
     [66.8mm]		2.65”
     [67.2mm]		2.97”
     [75.5mm]		3.21”
     [81.5mm]		3.39”
     [86.1mm]		4.37”
     [111.1mm]
K1.00”
     [25.4mm]		1.00”
     [25.4mm]		1.00”
     [25.4mm]		1.12”
     [28.5mm]		1.19”
     [30.1mm]		1.12”
     [28.5mm]		1.38”
     [34.9mm]		1.69”
     [42.8mm]		1.50”
     [38.1mm]		2.25”
     [57.2mm]
L0.250”
     [6.35mm]		0.250”
     [6.35mm]		0.250”
     [6.35mm]		0.312”
     [7.92mm]		0.312”
     [7.92mm]		0.312”
     [7.92mm]		0.375” [9.53mm]0.437” [11.10mm]0.500”
     [11.10mm]		0.625” [15.88mm]
M1.875” [47.63mm]2.187” [55.55mm]2.375” [60.33mm]2.750” [69.85mm]2.625” [66.68mm]3.000” [76.20mm]3.125” [79.38mm]3.625” [92.08mm]3.750” [95.25mm]5.000” [117.48mm]
N0.125”
     [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]0.187”
     [4.75mm]		0.187” [4.75mm]
O1.750” [44.45mm]1.81”
     [46.0mm]		2.20”
     [55.9mm]		2.50”
     [63.5mm]		2.58”
     [65.4mm]		2.84”
     [72.1mm]		2.92”
     [74.2mm]		3.50” [89.00mm]3.45”
     [87.60mm]		5.25” [133.4mm]
P1/8”-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]3/4”-14 NPT    [G3/4”-14 BSPP]1”-11.5 NPT    [G1”-11 BSPP]
Q0.549” [13.94mm]0.549” [13.94mm]0.828” [21.03mm]0.828” [21.03mm]0.950” [24.13mm]1.030”
     [26.16mm]		1.186” [30.12mm]1.186” [30.12mm]1.454”
     [36.93mm]		1.794” [45.57mm]
RN/A0.730” [18.54mm]N/A1.374” [34.90mm]N/A1.374”
     [34.9mm]		N/A1.374” [34.90mm]N/A1.374” [34.90mm]
SN/A#4-40
     [M3x0.5]		N/A#10-24
     [M5x0.8]		N/A#10-24
     [M5x0.8]		N/A#10-24 [M5x0.8]N/A#10-24 [M5x0.8]
T1/4”-20
     [M6x1.0]		1/4”-20
     [M6x1.0]		1/4”-20
     [M6x1.0]		5/16”-18    [M8x1.25]5/16”-18    [M8x1.25]5/16”-18    [M8x1.25]5/16”-18    [M8x1.25]5/16”-18    [M8x1.25]5/16”-18    [M8x1.25]1/2”-13    [M12x1.75]
U2.125"
     [53.98mm]		2.375"    [60.33mm]2.750"    [69.85mm]3.250"    [82.55mm]3.250"    [82.55mm]3.625"    [92.08mm]3.625"    [92.08mm]4.125"    [104.78mm]4.500"    [114.30mm]6.000"    [152.40mm]