How do I choose a rotary joint?
293How do I choose a rotary joint
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yes,we can offer custom rotary joints, for custom rotary joints,you need to give the parameters to our company:

1. Basic parameters
1. Interface size: It needs to match the pipeline or equipment interface. Common sizes include 1/4 inch, 1/2 inch, etc. Metric/imperial systems need to be distinguished.
2. Pressure range: Indicate the maximum working pressure (e.g., 10MPa). Overpressure may lead to seal failure.
II. Performance indicators
1. Temperature range: Typically, there are two types: normal temperature type (-20℃~80℃) and high temperature type (with an upper limit of up to 300℃). The medium temperature must fall within this range.
2. Rotational speed: There is a significant difference between high-speed models (such as 5000RPM) and low-speed models. It is necessary to match the rotational speed of the equipment, as excessive speed can lead to wear and tear.
III. Medium Compatibility
1. Medium type: Different media such as water, oil, steam, etc. require corresponding sealing materials (e.g., graphite for high temperature resistance, fluororubber for corrosion resistance).
2. Flow requirements: The size of the pipe diameter affects the flow rate, and it is necessary to calculate to avoid pressure loss caused by excessively high flow velocity.
Rotary joint also known as rotating joint, rotary union, swivel joint etc. are a system of dynamical sealings.
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