PG-Rings (PGRI) (Rod packings)

Standard Material: PTFE(PT111)

Profiles (Left section)

PGリング-1
en_PGRI

Service range

Standard Material
Material codes Pressure MPa {kgf/㎠} Max. speed
(m/s)
Temperature range
(℃)
PTFE(PT111) 21 {210} 1 ー55~80

Characteristics

PG-Rings absorb impalsive pressure rise and enhance the sealing property and durability of packings.

Remarks

  • ●PG-Rings should be installed in the direction specified on the above schematic.
  • ●Dimension refers to the groove dimension of packings in the seal systems.
  • ※JIS standard sequence of surface roughness symbols refer to HERE.

Dimension table

PG-Rings & Groove dimensions(Unit:mm) Part No.
d D H G d1 d2 A B Standard material
18 23 2.5 3 19 18.5 3 3 PGRI-18
20 25 2.5 3 21 20.5 3 3 PGRI-20
22.4 27.4 2.5 3 23.4 22.9 3 3 PGRI-22.4
25 30 2.5 3 26 25.5 3 3 PGRI-25
28 33 2.5 3 29 28.5 3 3 PGRI-28
30 36 3 3.5 31 30.6 3 3.5 PGRI-30
31.5 37.5 3 3.5 32.5 32.1 3 3.5 PGRI-31.5
35 41 3 3.5 36 35.6 3 3.5 PGRI-35
35.5 41.5 3 3.5 36.5 36.1 3 3.5 PGRI-35.5
40 46 3 3.5 41 40.6 3 3.5 PGRI-40
45 51 3 3.5 46 45.6 3 3.5 PGRI-45
50 57 3.4 4 51 50.6 4 4 PGRI-50
53 60 3.4 4 54 53.6 4 4 PGRI-53
55 62 3.4 4 56 55.6 4 4 PGRI-55
56 63 3.4 4 57 56.6 4 4 PGRI-56
60 67 3.4 4 61 60.6 4 4 PGRI-60
63 70 3.4 4 64 63.6 4 4 PGRI-63
67 74 3.4 4 68 67.6 4 4 PGRI-67
70 78 3.8 4.5 71 70.6 4 4 PGRI-70
71 79 3.8 4.5 72 71.6 4 4 PGRI-71
75 83 3.8 4.5 76 75.6 4 4 PGRI-75
80 88 3.8 4.5 81 80.6 4 4 PGRI-80
85 93 3.8 4.5 86 85.6 4 4 PGRI-85
90 98 3.8 4.5 91 90.6 4 4 PGRI-90
95 103 3.8 4.5 96 95.6 4 4 PGRI-95
100 110 4.5 5.5 101.5 100.6 5 6 PGRI-100
106 116 4.5 5.5 107.5 106.6 5 6 PGRI-106
110 120 4.5 5.5 111.5 110.6 5 6 PGRI-110
112 122 4.5 5.5 113.5 112.6 5 6 PGRI-112
115 125 4.5 5.5 117 115.6 5 6 PGRI-115
120 130 4.5 5.5 122 120.6 5 6 PGRI-120
125 135 4.5 5.5 127 125.6 5 6 PGRI-125
140 150 4.5 5.5 142 140.7 5 6 PGRI-140
150 162 5.5 6.5 152 150.7 5 6 PGRI-150
160 172 5.5 6.5 162 160.7 5 6 PGRI-160
180 192 5.5 6.5 182 180.7 5 6 PGRI-180
  • ★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.
  • ★PG-Rings 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.
  • ★PG-rings are adequately packaged for the optimum storage. Refer to Cautions for the handling and storage.
  • ★Performance and material tests on packing and seals are also available. Please contact us for more information.