Multi channel rotary joints for rotating worktable

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Rotary joints have excellent adaptability to working conditions and can operate normally under extreme conditions such as high temperature, low temperature, high pressure, and vacuum. In high temperature environments, it can withstand temperatures of several hundred degrees without affecting performance; In low-temperature environments, the material still maintains good toughness and sealing properties; Faced with high-pressure working conditions, its structural design and material strength can withstand enormous pressure without deformation or damage; In a vacuum environment, it can also ensure good sealing effect and meet the special needs of different industrial fields.

1. Performance parameters
Speed: Normal type ≤ 3000rpm, high-speed type 3000-20000rpm, ultra high speed type (such as aviation) ≥ 20000rpm.
Pressure: Low pressure type ≤ 1.6MPa, medium pressure type 1.6-10MPa, high pressure type 10-30MPa (such as hydraulic equipment), ultra-high pressure type ≥ 30MPa (such as high-pressure cleaning machines).
Temperature resistance range
Room temperature type: -20 ℃~120 ℃ (water, air medium);
Medium temperature type: 120 ℃~300 ℃ (steam, hot oil);
High temperature type: 300 ℃~600 ℃ (molten metal liquid, requiring ceramic/metal sealing);
Low temperature type: -200 ℃~-40 ℃ (for liquid nitrogen and LNG equipment, low-temperature resistant alloys are required).
2. Structure and interface parameters
Number of Passages
Single channel (transmitting a single medium), dual channel (gas-liquid separation), multi-channel (gas+liquid+electric synchronous transmission, such as 4-8 channels)
Interface Specification
Thread types: NPT, BSP, G thread, etc., common sizes G1/4 “~G2”;
Flange standards: DIN, ANSI, JIS, pressure rating PN10~PN100;
Quick change interface: Suitable for quick connection of hoses (such as ISO 7241-A type).
3. Material and sealing parameters
main material
Cast iron (HT300), stainless steel (304/316L), titanium alloy (TA2), aluminum alloy (6061), ceramic (Al ₂ O3).
sealing material
Soft seal: Fluororubber (FKM, temperature resistance -20 ℃~200 ℃), Silicone Rubber (VMQ, temperature resistance -60 ℃~250 ℃);