PG-Rings (PGRO) (Piston packings)

Standard Material: PTFE(PT111)

Profiles (Left section)

PGリング-1
en_PGRO

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 L 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(PT111)
30 24 3 3.5 29 29.5 3 3.5 PGRO-30
31.5 25.5 3 3.5 30.5 31 3 3.5 PGRO-31.5
35 29 3 3.5 34 34.5 3 3.5 PGRO-35
35.5 29.5 3 3.5 34.5 35 3 3.5 PGRO-35.5
40 33 3.4 4 39 39.5 3 3.5 PGRO-40
45 38 3.4 4 44 44.5 3 3.5 PGRO-45
50 43 3.4 4 49 49.5 3 3.5 PGRO-50
55 48 3.4 4 54 54.4 3 3.5 PGRO-55
56 49 3.4 4 55 55.4 3 3.5 PGRO-56
60 53 3.4 4 59 59.4 3 3.5 PGRO-60
63 56 3.4 4 62 62.4 3 3.5 PGRO-63
65 58 3.4 4 64 64.4 3 3.5 PGRO-65
70 62 3.8 4.5 69 69.4 4 4 PGRO-70
71 63 3.8 4.5 70 70.4 4 4 PGRO-71
75 67 3.8 4.5 74 74.4 4 4 PGRO-75
80 72 3.8 4.5 79 79.4 4 4 PGRO-80
90 82 3.8 4.5 89 89.4 4 4 PGRO-90
100 90 4.5 5.5 98 99.4 4 5 PGRO-100
110 100 4.5 5.5 108 109.4 4 5 PGRO-110
112 102 4.5 5.5 110 111.4 4 5 PGRO-112
120 110 4.5 5.5 118 119.4 4 5 PGRO-120
125 115 4.5 5.5 123 124.3 4 5 PGRO-125
140 130 4.5 5.5 138 139.3 4 5 PGRO-140
150 138 5.5 6.5 148 149.3 5 6 PGRO-150
160 148 5.5 6.5 158 159.3 5 6 PGRO-160
170 158 5.5 6.5 168 169.3 5 6 PGRO-170
180 168 5.5 6.5 178 179.3 5 6 PGRO-180
200 188 5.5 6.5 198 199.3 5 6 PGRO-200
224 212 5.5 6.5 222 223.2 5 6 PGRO-224
250 238 5.5 6.5 248 249.2 5 6 PGRO-250
  • ★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.