LORRIC provides nozzles in various ways to be installed on equipment or pipes. The most common way to install nozzles is external thread (aka male thread). However, there are more ways, like internal thread (aka female thread), flange type, welding type, and clamp type. Among them, the welding type could be further classified into two (2) types, spray pipe and plate positioning.
Types |
Thread |
Welding |
Clamp |
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Features |
The most common type in the industry which is simply fixed on pipe by thread.
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It is a welding type with PVC material. It is easy to be re-installed and re-positioned nozzles with its original deflection angle. Meanwhile, it is also a stronger installation method than others.
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It is simply drilling a hole and fixing the nozzle without any tools on a pipe.
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1. Thread Type
Nozzles with thread type are commonly designed into the taper thread type for preventing water leakage. However, for complete leakage-free, tape seal or sealant must be adopted while installing. The leakproof feature makes parallel thread type not common to be adopted in other kinds of similar products in other industries. There are two (2) common regulations of taper thread, NPT and BSPT (aka PT). NPT is normally adopted in North America, while BSPT is adopted in the rest of the world.
It’s difficult to distinguish which thread type of the nozzle directly by eyes, therefore, it is better to do it according to the thread gauge.
In the below chart, LORRIC lists all the outer diameter sizes for your reference.
Common Sizes
Thread size (inch) |
Outer diameter size (mm) |
1/8" |
9.7 - 10.3 |
1/4" |
13.1 - 13.6 |
3/8" |
16.6 - 17.1 |
1/2" |
20.9 - 21.3 |
3/4" |
26.4 - 26.6 |
* NPT and BSPT share the same size chart.
2. Welding Type
3. Clamp Type