Tube 10.5/80-20 TR218A valve for 20 inch
32,90 €
Tube 10.5/80-20 TR218A valve for 20 inch
32,90 €
Shipping price from: 6,90 €
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Tube 10.5/80-20 TR218A valve for 20 inch
Product.Nr.: 990017027
Manufacturer: Novio
This tube in size 10.5/80-20 is designed for use in robust industrial and garden applications. It is ideal for machines and equipment that must operate reliably under varying load and ground conditions. Thanks to its suitable design for tyre sizes such as 10.5/80-20 and 275/70-20, the tube offers flexible application options and ensures a secure seating of the tyre on the rim. The TR218A valve is specifically designed for tube-based applications in the agricultural and industrial sectors and allows convenient inflation and deflation.
Technical data
- Tube size: 10.5/80-20
- Rim size: 20 inch
- Also suitable for: 275/70-20
- Valve type: TR218A
Valve-specific details (TR218A)
- Valve type: TR218A (tube valve for agricultural and industrial tyres)
- Typical valve hole diameter: approx. 16 mm (suitable for standard agri/industrial rims)
- Design: Straight, bolted metal valve with external thread and separate locknut
- Valve stem length: Medium-length stem, designed for thick-walled rims and high-volume tyres
- Function: Enables easy inflation and deflation, high tightness at operating pressure
- Valve application area: Specially for tube systems in agriculture, industry and heavy-duty garden applications
Benefits and application area
This tube is the right choice for users who need a reliable replacement tube for tyres in size 10.5/80-20 or 275/70-20. With its 20 inch rim size, it is matched to common rim dimensions on industrial and agricultural equipment.
The TR218A valve ensures secure fastening in the valve hole and is robust enough for daily use under demanding conditions. Typical applications include trailers, agricultural machinery, compact construction machines as well as heavy garden and municipal equipment. The tube contributes to stable driving behaviour, good air retention and a long service life of the tyre.
Frequently asked questions about this product
The valve designation describes two things: the stem diameter — which must fit the hole in the rim — and the shape, i.e. straight or angled.
Only the bore matters for a proper fit: a valve fits perfectly only if its stem matches the bore in the rim. Whether it is straight or angled makes no difference — that is a question of accessibility.
An overview of the types:
| Type | Shape | Bore | typically used for |
|---|---|---|---|
| TR13 | straight, rubber | 11.5 mm | Car and trailer wheels |
| TR4 / TR6 | straight, short | 11.5 mm | Small wheels, garden tools |
| TR15 | straight, rubber | 16 mm | Agricultural machinery, tractor rims |
| TR87 | 90° angled | 11.5 mm | Small wheels, solid rims |
| JS8 (DIN 7777) | 90° angled, same as TR87 | 11.5 mm | small wheels, solid rims |
| JS2 | Approx. 70° angled | 11.5 mm | Industrial and small wheels |
| V3-02-7 (TR75) | 100° single-bend metal angle valve with screw-on base | 12.2 mm | Commercial vehicles, lorries, trailers, agricultural and industrial machinery such as forklift trucks |
| V3-06-3 | Triple-bend brass truck screw-on valve (90°/139°/139°) | 9.7 mm | 20-inch truck and trailer tubes (6.00-20 to 9.00-20), also 22.5-inch tube-type tyres |
| TR218A | Straight metal air-water valve, two-piece | 15.9–16 mm | High-volume tubular tyres for agricultural and industrial use, tractors |
V3-02-7 in detail: Also known as ETRTO V3.02.7 and US designation TR75. Dimensions: Horizontal leg length 22.5 mm, vertical leg length 71.5 mm, total height approx. 91 mm. The valve base is screwed on, not pressed in — this makes it significantly more robust than a rubber valve.
V3-06-3 in detail: Also known as ETRTO V3.06.3. Triple-bend brass screw-on truck valve: the first bend is 90°, the other two 139° each — this guides the filling end past the rim flange and keeps it accessible even with twin tyres and deep rim wells. Leg dimensions approx. 20.5 / 46 / 20.5 / 47.5 mm (approx. 135 mm developed length), rim hole 9.7 mm. The valve is fastened to the tube with a sealing washer and nut instead of being vulcanised in. In our range on the 20-inch tubes 6.00/6.50-20, 7.00/7.50-20, 8.25-20 and 9.00-20.
TR218A in detail — the valve for water ballast: What makes this type special is the option for liquid ballasting: the hose is partially filled with water to increase the vehicle’s weight and thus improve traction — a common practice with tractors.
- Design: straight, robust metal valve, usually in two parts. Unscrewing the inner CH3 valve insert creates an extra-large opening — allowing for quick filling with air or liquid.
- Rim bore: 15.9 to 16 mm (0.625 inches).
- Length: typically around 38 to 48 mm total height above the rim.
- Mounting: a rubber base approximately 80 mm in diameter for vulcanising onto the inner tube, plus a lock nut for secure attachment to the rim.
Reducing sleeves: A TR15 valve does not fit into an 11.5 mm bore. Conversely, there are sleeves that allow a TR13 valve to fit into a 16 mm bore.
Whether straight or angled is not a question of fit, but of accessibility: with closed rims or small wheels, it is often impossible to reach the valve with a pump using a straight valve — in which case an angled one is used.
Not sure which valve is fitted? A photo of the old valve is all we need to identify it. Choose from: inner tubes, bead tapes and valves.
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