CPH type Special Packing for Piston Seals
Brand :
NOK
Caution
- Some of the items are scheduled to be discontinued as of end of March in 2023. The manufacturer keep the items produced but they are not available with Misumi.
There are not the replacement items and the plan to resumption of sale. Please check the quotation and order screen for details.
Product Description
Main applicable fluid
- General petroleum hydraulic oil.
- Water-glycol type hydraulic fluid oil.
- Oil-water emulsion type hydraulic fluid oil.
Feature
- This packing is used for relatively low pressure operation.
- Packing material, nitrile rubber has excellent oil resistance and reduces sliding friction.
Dimension
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The inner surface of the cylinder tube should be finished by burnishing (RLB) or honing (GH) to 0.4 to 3.2 μmRz (0.1 to 0.8 μmRa).
Especially under serve lubricating condition, burnishing is required.
● The roughness is JIS B 0601:2001. When regulation length cannot be kept, apply Pt.
Specification Table
CPH type Nitrile rubber (NBR)
Material : NOK A102, A103, A104, A105
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The inner surface of the cylinder tube should be finished by burnishing (RLB) or honing (GH) to 0.4 to 3.2 μmRz (0.1 to 0.8 μmRa).
Especially under serve lubricating condition, burnishing is required.
● The roughness is JIS B 0601:2001. When regulation length cannot be kept, apply Pt.
Specification Table
CPH type Nitrile rubber (NBR)
Material : NOK A102, A103, A104, A105
| Nominal size of Packing, and Housing dimensions | NOK Part Number | NOK Rubber Material symbol | |||||||
| D | h | t | d | φ D1 | T | R | C | ||
| 30 | 8 | 2.5 | 13 | 23 | 2.5 | 1.5 | 7 | CC0019C3 | A104 |
| 30 | 10 | 2.5 | 12 | 23.5 | 2.5 | 1.5 | 7 | CC0020C0 | A103 |
| 30 | 10 | 2.5 | 15 | 23 | 2.5 | 1.5 | 7 | CC0020C1 | A102 |
| 35 | 10 | 2.5 | 18 | 28.5 | 2.5 | 1.5 | 7 | CC0026C0 | A102 |
| 40 | 8 | 2.5 | 16 | 33 | 2.5 | 1.5 | 7 | CC0034C1 | A104 |
| 40 | 10 | 2.5 | 20 | 33.5 | 2.5 | 1.5 | 7 | CC0035C0 | A102 |
| 42 | 12 | 3 | 23 | 34 | 3 | 2 | 7 | CC0040C0 | A505 |
| 45 | 10 | 2.5 | 25 | 38.5 | 2.5 | 2 | 7 | CC0044C0 | A102 |
| 50 | 12 | 3 | 25 | 41.5 | 3 | 2 | 7 | CC0055C1 | A104 |
| 55 | 10 | 3 | 40 | 48 | 3 | 2 | 7 | CC0067C0 | A103 |
| 60 | 8 | 2.5 | 40.5 | 54 | 2.5 | 2 | 7 | CC0074C0 | A103 |
| 60 | 12 | 3 | 30 | 51 | 3 | 2 | 7 | CC0077C0 | A505 |
| 65 | 13 | 3.5 | 34.5 | 56 | 3.5 | 2 | 7 | CC0096C0 | A104 |
| 70 | 12 | 3 | 38 | 62 | 3 | 2 | 7 | CC0106C2 | A505 |
| 75 | 12 | 3 | 38 | 66 | 3 | 2 | 7 | CC0117C1 | A104 |
| 80 | 15 | 4 | 40 | 70 | 4 | 3 | 7 | CC0132C0 | A505 |
| 80 | 16 | 4 | 40 | 69 | 4 | 3 | 7 | CC0134C0 | A102 |
| 90 | 15 | 4.3 | 38 | 80 | 4.3 | 3 | 8 | CC0156C0 | A505 |
| 90 | 16 | 4 | 45 | 79.5 | 4 | 3 | 8 | CC0157C0 | A102 |
| 90 | 17 | 5 | 50 | 77 | 5 | 3 | 8 | CC0159C0 | A104 |
| 100 | 15 | 4.3 | 38 | 88 | 4.3 | 3 | 8 | CC0171C0 | A104 |
| 100 | 16 | 4 | 50 | 89 | 4 | 3 | 8 | CC0174C5 | A104 |
| 100 | 16 | 4 | 55 | 89 | 4 | 3 | 8 | CC0174C4 | A505 |
| 120 | 16 | 4 | 60 | 109 | 4 | 3 | 8 | CC0207C0 | A102 |
| 120 | 16 | 4 | 70 | 109 | 4 | 3 | 8 | CC0207C1 | A104 |
| 125 | 16 | 5 | 75 | 115 | 5 | 4 | 8 | CC0219C0 | A104 |
| 130 | 20 | 5 | 80 | 116 | 5 | 4 | 8 | CC0230C1 | A104 |
| 150 | 20 | 5 | 75 | 136 | 5 | 4 | 11 | CC0255C0 | A102 |
| 150 | 20 | 5 | 100 | 138 | 5 | 4 | 11 | CC0255C2 | A505 |
| 180 | 20 | 5 | 90 | 166.5 | 5 | 4 | 11 | CC0282C0 | A102 |
| 180 | 25 | 5 | 80 | 166 | 5 | 4 | 11 | CC0285C0 | A104 |
| 200 | 20 | 5 | 150 | 187 | 5 | 4 | 11 | CC0293C5 | A505 |
| 205 | 23 | 4 | 134 | 190 | 4 | 4 | 11 | CC0303C1 | A103 |
| 257 | 22 | 5.5 | 192 | 245 | 5.5 | 4 | 14 | CC0328C1 | A103 |