Radiator Cap Sizes

Radium radiator caps are designed for mini size 32mm id radiator necks only.

Radiator cap sizes.

Think of the cap rating in pounds per square inch and the force pulling the tank apart as the psi times the square inches of tank surface. Our caps are available in a range of pressure and size options. You may find that it is beneficial to test the cap so that you can be sure that it is working properly. Always use a cap of the correct pressure for your cooling system.

And over time your fuel costs will also increase. Replacing your radiator cap regularly can save your customer money at the pump and save wear and tear on your cooling sytem overall. See tables 1 to 4 and figures 1 to 4. Stant s decades of knowledge and expertise provide solutions for all of your pressure closure needs.

Stant radiator caps are the preferred choice of many industrial heavy duty diesel and agricultural manufacturers by providing a high level of both performance and durability. There is one coolant cap that is quite different others. They are mostly standard sizes but some of the older ones were taller than later ones. Radiator cap cv series 18 5mm 34 0mm 81 0mm 2 75.

The purpose of this document is to provide dimensions for the different pressure ratings of boyonet type radiator pressure caps and filler necks. Available in 2 common styles type a and type b. By daniel stern part 2 of a series the radiator cap seals the coolant off from the outside air and allows a certain amount of pressure to build in the cooling system to raise the boiling point of the coolant in the system. Higher pressure will tear the radiator apart.

Radiator caps are critical to catch coolant overflow keeping your engine cooling system operating at optimal pressure and temperature and your vehicle operating at optimal performance. Caps have a seal that can wear away over time. Gates manufactures our oe quality radiator caps and cool control caps for your heavy duty vehicle applications with a selection of durable wear resistant radiator caps for automotive applications without. The greater the pressure a liquid is under the hotter it must be before it boils.

Please confirm what style your application uses prior to ordering. A vented coolant cap sometimes referred to as a partial pressure cap. The surprisingly wide range of radiator caps. M m radiator cap cp series 52 0mm 81 0mm 39 5mm radiator cap ct series 63 0mm 64 0mm 39 5mm radiator cap cw series 39 0mm 53 0mm 59 0mm 34 5mm 38 5mm radiator cap cr series 63 0mm 21 0mm radiator cap cu series 50 0mm 65 0mm 38 0mm radiator cap cx series 29 5mm 49 5mm.

The top portion of the radiator cap will list the pressure rating. If you do not have the equipment to do the radiator cap pressure testing you can have it done at a shop. As shown below radium engineering coolant expansion tanks require a type a style radiator cap. Use of these dimensions will preclude the use of a high pressure rated cap on low pressure systems for the small and medium size applications.

If you have the stock radiator then you want the stock pressure cap.