Tube 7.2-36 Valve TR218A
58,91 €
Tube 7.2-36 Valve TR218A
58,91 €
Shipping price from: 6,90 €
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Product Produkt i lager
Tube 7.2-36 Valve TR218A
Product.Nr.: 990017373
Manufacturer: Novio
This robust inner tube in size 7.2-36 is designed for use in large agricultural, industrial and municipal vehicles. It is ideal for tractors, trailers and other machinery equipped with corresponding 36-inch rims. Thanks to its sturdy construction and the heavy-duty TR218A valve, the tube is designed for high loads and changing operating conditions.
Technical data
- Tube size: 7.2-36
- Inch size: 36 inch
- Valve type: TR218A
Valve-specific data TR218A
- Valve design: Heavy, straight tube valve for agricultural and industrial tyres
- Typical valve hole diameter: approx. 16 mm (for large-dimension valve holes on tractor and industrial rims)
- Valve length: usually approx. 38–45 mm above rim surface (depending on manufacturer)
- Valve thread: Coarse thread for fitting a protective cap and for connection of filling and testing equipment
- Construction: Metal valve with bolted base plate on the tube, high resistance to mechanical stress
- Valve application range: Designed for high inflation pressures and high loads on large-volume tyres
Benefits and application
The 7.2-36 tube with TR218A valve is specially suited for large-dimension tyres in agricultural and industrial use. It offers reliable sealing, high pressure stability and a long service life under demanding conditions. Typical applications include tractors, agricultural trailers, soil cultivation equipment as well as various machines in municipal and industrial sectors.
The TR218A valve makes tyre inflation and pressure checking easier and, thanks to its robust metal construction, is particularly resistant to damage in tough everyday operation. The matched 7.2-36 size in combination with the 36-inch rim ensures an optimal fit and operational safety.
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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