One-Touch Couplings for Clean Applications / Straight Union
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[Features] A quick coupling for clean environments. [Material] Made of polypropylene.
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PPCR
[M]Material: Polypropylene
Specification Table
| Part Number |
| PPCR4 |
| Part Number | B | P | Mass (g) | Effective Sectional Area (mm2) | |
| Type | D | ||||
| PPCR | 4 | 31 | 10 | 4 | 5.3 |
| 6 | 35.2 | 12.5 | 5.5 | 12.5 | |
| 8 | 37.8 | 14.5 | 8 | 20 | |
| 10 | 43.8 | 17.5 | 13 | 35 | |
| 12 | 48.2 | 21 | 19 | 59 | |
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Specifications / Overview
■ Features
·Clean environment compatible polypropylene (PP) is used for the main body.
·Plastic body is semitransparent so that fluid can be confirmed from the outside.
■ Precautions for Use
·For water or fluid, Inserts for Soft Tubes must be used. Keep the surge pressure to below max. pressure rating.
·If threaded portion is made of PP, tighten coupling by screwing hand tight, then giving 2 or 3 turns with a wrench.
Over tightening may damage threads. Insufficient tightening may cause loosening or leaking.
·Due to creep deformation, screws may become loose and minute leakages may occur. Periodical tightening maintenance is recommended.
If retightening does not work, then replace the coupling in use.
·If there is a possibility of machine and equipment damage due to fluid leakages, consider providing protective measures such as covers prior to use.
·No oil permitted.
·Clean environment compatible polypropylene (PP) is used for the main body.
·Plastic body is semitransparent so that fluid can be confirmed from the outside.
■ Precautions for Use
·For water or fluid, Inserts for Soft Tubes must be used. Keep the surge pressure to below max. pressure rating.
·If threaded portion is made of PP, tighten coupling by screwing hand tight, then giving 2 or 3 turns with a wrench.
Over tightening may damage threads. Insufficient tightening may cause loosening or leaking.
·Due to creep deformation, screws may become loose and minute leakages may occur. Periodical tightening maintenance is recommended.
If retightening does not work, then replace the coupling in use.
·If there is a possibility of machine and equipment damage due to fluid leakages, consider providing protective measures such as covers prior to use.
·No oil permitted.
■ Specifications
*No freezing
| Applicable Fluid | Air, Water, Chemicals |
| Operating Temperature Range* | 0 to 80°C |
| Max. Operating Pressure | 0.9 MPa (20°C) |
| Operating Vacuum Level | -100 kPa |
■ Structure Diagram
[Recommended Tightening Torque]
Screw Main Body: Polypropylene
R1/8:0.5 N⋅m, R1/4:0.7 N⋅m, R3/8:1.0 N⋅m
Screw Main Body: EN 1.4301 Equiv.
R1/8: 7 to 9 N⋅m, R1/4: 12 to 14 N⋅m, R3/8: 22 to 24 N⋅m
(The values are for seal tape 2 rotations. Retighten by up to 2 additional rotations if required.)
[Recommended Tightening Torque]
Screw Main Body: Polypropylene
R1/8:0.5 N⋅m, R1/4:0.7 N⋅m, R3/8:1.0 N⋅m
Screw Main Body: EN 1.4301 Equiv.
R1/8: 7 to 9 N⋅m, R1/4: 12 to 14 N⋅m, R3/8: 22 to 24 N⋅m
(The values are for seal tape 2 rotations. Retighten by up to 2 additional rotations if required.)
Basic information
| Type | Single-Action Coupling | Fitting Type | Union, Equal Dia. | Applicable Fluid | Water / Air / Chemical |
|---|---|---|---|---|---|
| Main Body Material | Polypropylene | Application | Clean | Thread Material | No Thread |
| Seal Material | Ethylene Propylene Rubber (EPDM) | Union: Same Diameter | Union Straight | Operating Temperature Range(°C) | 0::80 |
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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