RGY-Packings (Piston packings)

Standard Material: NBR(RN923)

Profiles (Left section)

RGY-1
en_RGY

Service range

Standard Material
Material codes Pressure MPa {kgf/㎠} Max. speed
(m/s)
Temperature range
(℃)
NBR(RN923) RGY-Packings〈Clearance of extrusion H9/f8〉 14 {140} 1 ー25~100
w/Back-up rings 21 {210} 0.5
w/Standard & high pressure back-up rings 28 {280}

Characteristics

RGY-piston packings are interchangeable with SKY-Packings.
RN923 wear resistant material extended service life.
And in the same time, improved design prevents the damage by back pressure.

Remarks

  • ●Packings should be installed in the direction specified on the above schematic.
  • ●Consider adopting split grooves if one-piece groove is technically adverse.
  • ●φD H9/f8 changes according to the variation of the bearing structure.
  • ※JIS standard sequence of surface roughness symbols refer to HERE.

Dimension table

Packings & Groove dimensions(Unit:mm) Part No. Interchangeable with SKY-Packings
D d H GA GB D1 L Standard material
(RN923)
Standard back-up ring
(PT111)
HNBR
(RP902) (RP903)
40 30 6.2 7 8.5 39 3.5 RGY-40 TCS-40×30   SKY-30
45 35 6.2 7 8.5 44 3.5 RGY-45 TCS-45×35     SKY-35
50 40 6.2 7 8.5 49 3.5 RGY-50 TCS-50×40   SKY-40
55 45 6.2 7 8.5 54 3.5 RGY-55 TCS-55×45     SKY-45
60 50 6.2 7 8.5 59 3.5 RGY-60 TCS-60×50     SKY-50
63 53 6.2 7 8.5 62 3.5 RGY-63 TCS-63×53   SKY-53
65 55 6.2 7 8.5 64 3.5 RGY-65 TCS-65×55     SKY-55
70 60 6.2 7 8.5 69 3.5 RGY-70 TCS-70×60     SKY-60
70 57 8.2 9 11 69 4 RGY-70B TCS-70×57     ――
75 65 6.2 7 8.5 74 4 RGY-75 TCS-75×65     SKY-65
75 62 8.2 9 11 74 4 RGY-75B TCS-75×62     ――
80 70 6.2 7 8.5 79 4 RGY-80 TCS-80×70   SKY-70
80 71 6.2 7 8.5 79 4 RGY-80A TCS-80×71     SKY-71
80 65 9.2 10 12 79 4 RGY-80B TCS-80×65     ――
90 80 6.2 7 8.5 89 4 RGY-90 TCS-90×80     SKY-80
90 75 9.2 10 12 88 4 RGY-90B TCS-90×75     ――
100 85 9.2 10 12 98 4 RGY-100 TCS-100×85   SKY-85
110 95 9.2 10 12 108 4 RGY-110 TCS-110×95     SKY-95
120 106 8.7 9.5 11.5 118 4 RGY-120 TCS-120×106     SKY-106
125 112 8.7 9.5 11.5 123 4 RGY-125 TCS-125×112 SKY-112, 112A
140 125 9.2 10 12 138 4 RGY-140 TCS-140×125 SKY-125
145 130 9.2 10 12 143 4 RGY-145-1 TCS-145×130 SKY-130-1*
150 136 8.7 9.5 11.5 148 4 RGY-150 TCS-150×136 SKY-136
160 145 9.2 10 12 158 4 RGY-160 TCS-160×145 SKY-145
180 165 9.2 10 12 178 4 RGY-180 TCS-180×165 SKY-165
200 180 12.2 13 15.5 198 5.5 RGY-200 TCS-200×180 SKY-180
224 204 12.2 13 15.5 222 5.5 RGY-224 TCS-224×204 SKY-204
250 230 12.2 13 15.5 248 5.5 RGY-250 TCS-250×230 SKY-230
  • ★Orders and inquiries are acceptable by part numbers. Part numbers marked ※ have been changed each part numbers. Please check HERE for the previous part number.
  • ★Part numbers in blue letters are the products in stock.
  • ★Packings with the part numbers in light Italic require the confirmation of their availability prior to ordering. These items are subject to the abolishment without notice. Reclamation of an abolished product requires producing the new tooling at your expense.
  • ★Packings with the part numbers including letter B are the improved strength types and incompatible with the groove of SKY-Packings.
  • ★Packings are adequately packaged for the optimum storage. Refer to Cautions for the handling and storage.
  • ★Please see SKY-packings to obtain information about stock and availability of manufacturing tooling regarding compatible SKY-packings.
  • ★Inquiries for HNBR materials:
  •  ・Please specify material code RP903 or RP902 in addition to the standard part number.
  •   RP903 is applicable to hign temperature operation and to water polyglycol operating fluid.
  •   RP902 is the material applicable to both high and low temperature operating conditions.
  •  ・All HNBR products are manufactured on a made-to-order base.
  •  ・● indicates manufacturable items. For those items without ● sign, please inquire of us.
  •  ・Engraved marks may be variant because some dimensions/items are manufactured by using toolings for different materials.
  • ★Performance and material tests on packing and seals are also available. Please contact us for more information.