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Triple-layered, flame-resistant (equivalent to UL-94 standard V-0) polyurethane tubing, TRTU series.
[Features]
· Includes an aluminum layer between the outer sheath and the inner tube for improved spatter resistance.
[Applications]
· Suitable for air and water piping in environments with sparks from arc welders, etc.

Flame Resistant (Equivalent to UL-94 Standard V-0) FR Three-Layer Polyurethane Tubing, TRTU Series product images

Three-layer structure
| Nominal | TRTU0604 | TRTU0805 | TRTU1065 | TRTU1208 | |
|---|---|---|---|---|---|
| Inner Tubing Outer Diameter (mm) | 6 | 8 | 10 | 12 | |
| Inner Tubing Inner Diameter (mm) | 4 | 5 | 6.5 | 8 | |
| Outer Layer Thickness (mm) | 1 | 1 | 1 | 1 | |
| Outer Layer Color | Black (B) | ● | ● | ● | ● |
| White (W) | ● | ● | ● | ● | |
| Red (R) | ● | ● | ● | ● | |
| Blue (BU) | ● | ● | ● | ● | |
| Yellow (Y) | ● | ● | ● | ● | |
| Green (G) | ● | ● | ● | ● | |
| Working Fluids Note 1 | Air, water | ||||
|---|---|---|---|---|---|
| Applicable Fittings | FR Single-Action Fittings, KR-W2 Series Metal Single-Action Fittings, KQB2 Series | ||||
| Maximum Operating Pressure (MPa) | 20°C | 0.8 | |||
| 40°C | 0.65 | ||||
| 60°C | 0.5 | ||||
| Minimum Bending Radius (mm) Note 2 | 50 | 60 | 70 | 80 | |
| Ambient and Working Fluid Temperature | -20 to +60°C, Water: 0 to 40°C (no freezing) | ||||
| Materials | Inner Tube | Polyurethane | |||
| Middle Layer | Aluminum-laminated film | ||||
| Outer Layer | Polyolefin resin (equivalent to UL-94 standard V-0) | ||||
Note 1: Can be used for general industrial water. The surge pressure must not exceed the maximum operating pressure. If the surge pressure exceeds the maximum operating pressure, it will damage the fittings and tubes.
Note 2: The minimum bending radius is the representative value measured as shown in the figure on the left. The tubing may be bent if used under the recommended minimum bending radius. Please allow additional margin for flexibility.

How to measure the minimum bending radius
Bend the tubing into a U shape at a temperature of 20°C. Fix one end and close the loop gradually. Measure 2R when the deformation ratio of the tubing outer diameter at bending reaches 5%.

Maximum operating pressure

Example model number
| Part Number | Standard Unit Price | Minimum order quantity | Volume Discount | Days to Ship | Outer Dia. D (Ø) | Inner Dia. d (Ø) | Color | Outer Diameter [Category] | I.D. [Category] | Number of Cables (Core) | Min. Bend Radius (mm) | Operating temperature (°C) | Length (m) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MYR 726.00 | 1 Piece(s) | 43 Day(s) | 6 | 4 | [Black] Black | Up to 6 | ~4 | - | 50 | -20 to +60, With Water: 0 to +40 (Do Not Freeze) | 20 | ||
MYR 2,690.00 | 1 Piece(s) | 14 Day(s) or more | 6 | 4 | [Black] Black | Up to 6 | ~4 | - | 50 | -20 to +60, With Water: 0 to +40 (Do Not Freeze) | 100 | ||
MYR 484.66 | 1 Piece(s) | 9 Day(s) or more | 6 | 4 | [Blue] Blue | Up to 6 | ~4 | 1 | 50 | -20 to +60, Water: 0 to 40 (No freezing) | 20 | ||
MYR 2,690.00 | 1 Piece(s) | 15 Day(s) or more | 6 | 4 | [Blue] Blue | Up to 6 | ~4 | 1 | 50 | -20 to +60, Water: 0 to 40 (No freezing) | 100 | ||
MYR 538.42 | 1 Piece(s) | 14 Day(s) or more | 6 | 4 | [Green] Green | Up to 6 | ~4 | 1 | 50 | -20 to +60, Water: 0 to 40 (No freezing) | 20 | ||
MYR 2,690.00 | 1 Piece(s) | 14 Day(s) or more | 6 | 4 | [Green] Green | Up to 6 | ~4 | 1 | 50 | -20 to +60, Water: 0 to 40 (No freezing) | 100 | ||
MYR 473.09 | 1 Piece(s) | 9 Day(s) or more | 6 | 4 | [Red] Red | Up to 6 | ~4 | 1 | 50 | -20 to +60, Water: 0 to 40 (No freezing) | 20 | ||
MYR 2,690.00 | 1 Piece(s) | 14 Day(s) or more | 6 | 4 | [Red] Red | Up to 6 | ~4 | 1 | 50 | -20 to +60, Water: 0 to 40 (No freezing) | 100 | ||
MYR 484.66 | 1 Piece(s) | 9 Day(s) or more | 6 | 4 | [White] White | Up to 6 | ~4 | 1 | 50 | -20 to +60, Water: 0 to 40 (No freezing) | 20 | ||
MYR 2,690.00 | 1 Piece(s) | 14 Day(s) or more | 6 | 4 | [White] White | Up to 6 | ~4 | 1 | 50 | -20 to +60, Water: 0 to 40 (No freezing) | 100 | ||
MYR 459.24 | 1 Piece(s) | 5 Day(s) or more | 6 | 4 | [Yellow] Yellow | Up to 6 | ~4 | 1 | 50 | -20 to +60, Water: 0 to 40 (No freezing) | 20 | ||
MYR 2,690.00 | 1 Piece(s) | 14 Day(s) or more | 6 | 4 | [Yellow] Yellow | Up to 6 | ~4 | 1 | 50 | -20 to +60, Water: 0 to 40 (No freezing) | 100 | ||
MYR 624.09 | 1 Piece(s) | 9 Day(s) or more | 8 | 5 | [Black] Black | Up to 8 | ~5 | - | 60 | -20 to +60, With Water: 0 to +40 (Do Not Freeze) | 20 | ||
MYR 3,648.82 | 1 Piece(s) | 14 Day(s) or more | 8 | 5 | [Black] Black | Up to 8 | ~5 | - | 60 | -20 to +60, With Water: 0 to +40 (Do Not Freeze) | 100 | ||
MYR 1,256.78 | 1 Piece(s) | 21 Day(s) | 8 | 5 | [Blue] Blue | Up to 8 | ~5 | - | 60 | -20 to +60, With Water: 0 to +40 (Do Not Freeze) | 20 | ||
MYR 3,648.82 | 1 Piece(s) | 15 Day(s) or more | 8 | 5 | [Blue] Blue | Up to 8 | ~5 | - | 60 | -20 to +60, With Water: 0 to +40 (Do Not Freeze) | 100 | ||
MYR 729.87 | 1 Piece(s) | 14 Day(s) or more | 8 | 5 | [Green] Green | Up to 8 | ~5 | 1 | 60 | -20 to +60, Water: 0 to 40 (No freezing) | 20 | ||
MYR 3,648.82 | 1 Piece(s) | 14 Day(s) or more | 8 | 5 | [Green] Green | Up to 8 | ~5 | 1 | 60 | -20 to +60, Water: 0 to 40 (No freezing) | 100 | ||
MYR 729.87 | 1 Piece(s) | 15 Day(s) or more | 8 | 5 | [Red] Red | Up to 8 | ~5 | - | 60 | -20 to +60, With Water: 0 to +40 (Do Not Freeze) | 20 | ||
MYR 3,648.82 | 1 Piece(s) | 14 Day(s) or more | 8 | 5 | [Red] Red | Up to 8 | ~5 | - | 60 | -20 to +60, With Water: 0 to +40 (Do Not Freeze) | 100 | ||
MYR 1,256.78 | 1 Piece(s) | 21 Day(s) | 8 | 5 | [White] White | Up to 8 | ~5 | 1 | 60 | -20 to +60, Water: 0 to 40 (No freezing) | 20 | ||
MYR 3,648.82 | 1 Piece(s) | 14 Day(s) or more | 8 | 5 | [White] White | Up to 8 | ~5 | 1 | 60 | -20 to +60, Water: 0 to 40 (No freezing) | 100 | ||
MYR 729.87 | 1 Piece(s) | 14 Day(s) or more | 8 | 5 | [Yellow] Yellow | Up to 8 | ~5 | 1 | 60 | -20 to +60, Water: 0 to 40 (No freezing) | 20 | ||
MYR 3,648.82 | 1 Piece(s) | 14 Day(s) or more | 8 | 5 | [Yellow] Yellow | Up to 8 | ~5 | 1 | 60 | -20 to +60, Water: 0 to 40 (No freezing) | 100 | ||
MYR 924.95 | 1 Piece(s) | 14 Day(s) or more | 10 | 6.5 | [Black] Black | Up to 10 | ~7 | - | - | -20 to +60, With Water: 0 to +40 (Do Not Freeze) | 20 | ||
MYR 4,514.84 | 1 Piece(s) | 14 Day(s) or more | 10 | 6.5 | [Black] Black | Up to 10 | ~7 | 1 | 70 | -20 to +60, Water: 0 to 40 (No freezing) | 100 | ||
MYR 924.95 | 1 Piece(s) | 14 Day(s) or more | 10 | 6.5 | [Blue] Blue | Up to 10 | ~7 | 1 | 70 | -20 to +60, Water: 0 to 40 (No freezing) | 20 | ||
MYR 4,514.84 | 1 Piece(s) | 14 Day(s) or more | 10 | 6.5 | [Blue] Blue | Up to 10 | ~7 | 1 | 70 | -20 to +60, Water: 0 to 40 (No freezing) | 100 | ||
MYR 924.95 | 1 Piece(s) | 14 Day(s) or more | 10 | 6.5 | [Green] Green | Up to 10 | ~7 | 1 | 70 | -20 to +60, Water: 0 to 40 (No freezing) | 20 | ||
MYR 4,514.84 | 1 Piece(s) | 15 Day(s) or more | 10 | 6.5 | [Green] Green | Up to 10 | ~7 | 1 | 70 | -20 to +60, Water: 0 to 40 (No freezing) | 100 | ||
MYR 924.95 | 1 Piece(s) | 14 Day(s) or more | 10 | 6.5 | [Red] Red | Up to 10 | ~7 | 1 | 70 | -20 to +60, Water: 0 to 40 (No freezing) | 20 | ||
MYR 4,514.84 | 1 Piece(s) | 14 Day(s) or more | 10 | 6.5 | [Red] Red | Up to 10 | ~7 | 1 | 70 | -20 to +60, Water: 0 to 40 (No freezing) | 100 | ||
MYR 924.95 | 1 Piece(s) | 14 Day(s) or more | 10 | 6.5 | [White] White | Up to 10 | ~7 | 1 | 70 | -20 to +60, Water: 0 to 40 (No freezing) | 20 | ||
MYR 4,623.40 | 1 Piece(s) | 14 Day(s) or more | 10 | 6.5 | [White] White | Up to 10 | ~7 | 1 | 70 | -20 to +60, Water: 0 to 40 (No freezing) | 100 | ||
MYR 924.95 | 1 Piece(s) | 14 Day(s) or more | 10 | 6.5 | [Yellow] Yellow | Up to 10 | ~7 | 1 | 70 | -20 to +60, Water: 0 to 40 (No freezing) | 20 | ||
MYR 4,514.84 | 1 Piece(s) | 14 Day(s) or more | 10 | 6.5 | [Yellow] Yellow | Up to 10 | ~7 | 1 | 70 | -20 to +60, Water: 0 to 40 (No freezing) | 100 | ||
MYR 1,022.51 | 1 Piece(s) | 9 Day(s) or more | 12 | 8 | [Black] Black | Up to 15 | ~8 | 1 | 80 | -20 to +60, Water: 0 to 40 (No freezing) | 20 | ||
MYR 5,112.80 | 1 Piece(s) | 14 Day(s) or more | 12 | 8 | [Black] Black | Up to 15 | ~8 | 1 | 80 | -20 to +60, Water: 0 to 40 (No freezing) | 100 | ||
MYR 923.22 | 1 Piece(s) | 9 Day(s) or more | 12 | 8 | [Blue] Blue | Up to 15 | ~8 | 1 | 80 | -20 to +60, Water: 0 to 40 (No freezing) | 20 | ||
MYR 5,112.80 | 1 Piece(s) | 14 Day(s) or more | 12 | 8 | [Blue] Blue | Up to 15 | ~8 | 1 | 80 | -20 to +60, Water: 0 to 40 (No freezing) | 100 | ||
MYR 1,022.51 | 1 Piece(s) | 14 Day(s) or more | 12 | 8 | [Green] Green | Up to 15 | ~8 | 1 | 80 | -20 to +60, Water: 0 to 40 (No freezing) | 20 | ||
MYR 5,112.80 | 1 Piece(s) | 15 Day(s) or more | 12 | 8 | [Green] Green | Up to 15 | ~8 | 1 | 80 | -20 to +60, Water: 0 to 40 (No freezing) | 100 | ||
MYR 1,022.51 | 1 Piece(s) | 14 Day(s) or more | 12 | 8 | [Red] Red | Up to 15 | ~8 | 1 | 80 | -20 to +60, Water: 0 to 40 (No freezing) | 20 | ||
MYR 5,112.80 | 1 Piece(s) | 14 Day(s) or more | 12 | 8 | [Red] Red | Up to 15 | ~8 | 1 | 80 | -20 to +60, Water: 0 to 40 (No freezing) | 100 | ||
MYR 1,022.51 | 1 Piece(s) | 14 Day(s) or more | 12 | 8 | [White] White | Up to 15 | ~8 | 1 | 80 | -20 to +60, Water: 0 to 40 (No freezing) | 20 | ||
MYR 5,112.80 | 1 Piece(s) | 14 Day(s) or more | 12 | 8 | [White] White | Up to 15 | ~8 | 1 | 80 | -20 to +60, Water: 0 to 40 (No freezing) | 100 | ||
MYR 1,022.51 | 1 Piece(s) | 14 Day(s) or more | 12 | 8 | [Yellow] Yellow | Up to 15 | ~8 | 1 | 80 | -20 to +60, Water: 0 to 40 (No freezing) | 20 | ||
MYR 5,112.80 | 1 Piece(s) | 14 Day(s) or more | 12 | 8 | [Yellow] Yellow | Up to 15 | ~8 | 1 | 80 | -20 to +60, Water: 0 to 40 (No freezing) | 100 |
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| Material | Urethane | Applicable Fluid | Water / Air | Type | Straight |
|---|---|---|---|---|---|
| Operating Environment | Standard / Sputtering Resistance | Cutting Service Availability | No | Material, Urethane | Inner |
| Maximum operating pressure(MPa) | 0.8 (at 20°C) |
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