Multi-Passage Hydraulic Rotary Joints (Rotary Unions)

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CNBM Rotary Joint Selection Chart


Max. Operating Parameters

Media

Series

Size

Passages

Pres.(bar)

Temp.()

Speed(RPM)

Water

Steam

Thermal Oil

Air

Hydraulic Oil

BA

1/4" to 2-1/2"

1 or 2

11

90

1,000

YES



YES


BC

1/4" to 2-1/2"

1

70

120

3,000




YES

YES

M

1/8" to 1-1/4"

up to 4

200

80

250

YES



YES

YES

MT

1/4" to 3/4"

1 or 2

200

80

250




YES

YES

SA

3/4" to 3-1/2"

1 or 2

17

220

250


YES




SK

3/4" to 3-1/2"

1 or 2

7

315

250



YES



NA

1-1/2" to 6"

1 or 2

17

220

300


YES




K

1/4" to 1-1/4"

up to 4

210

80

3,000




YES

YES

 C

1/2" to 1-1/2" 

1 or 2 

10 

 120

 100

YES






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Q:How do you explain the pipe joint?
For example, a 4 point tube is 1/2 inches, and this size represents the diameter of the inner hole, that is, the passing diameter of the fluid.
Q:Is the trachea connected directly to the inside and outside threads? I remember a sealing ring
1. quick installation, simple and smart, space saving 2. forms, to meet the need of any pneumatic pipe arrangement. 3. even after installation, the plastic pipe can be freely turned. The 4. release ring adopts elliptic design, easy to dismount. All 5. taper pipe thread pre coated with Teflon to prevent leakage, good sealing performance.
Q:What is the difference between the pipe and the pipe joint?
Two, plastic pipe type 1, PVC (PVC-U) plastic wire pipe (hard tube), 2 and PE threading pipe (winding hose) 3, plastic bellows (flame retardant bellows, wire harness casing, high density bellows, high temperature protective casing, etc.)
Q:Is the joint of ground heating pipe and aluminium plastic pipe general?
Pb can only serve as the system supervisor, the pipe joint is hot melt joint, and the aluminum plastic pipe can only be the system supervisor. That is, the joint of PEX and aluminum pipe is universal. If your site pipe is PEX, the tube is generic and cannot be generic if it is PERT.
Q:What does the pipe connector type "10-R1/4" mean?
(Pipe, joints) hydraulic term is a part of a hydraulic system that connects the pipe or sets the pipe to the hydraulic element. This is a generic term for connections that can be assembled and disassembled in the fluid path.It mainly includes welding type, clamping sleeve type and flaring type.
Q:What's the hydraulic pipe joint material?
The hydraulic oil of steel pipe and steel joint is not corrosive, so the hydraulic system is widely used in carbon steel joint, drinking water or pure water pipeline connection should not use ordinary carbon steel, before tightening air rules with brass, because the compressed air will carry water, gathered in the tube, if carbon steel will corrode the pipeline. The advanced air tightening machines do not produce moisture, so the rule is meaningless
Q:The hydraulic pipe fittings how to distinguish the British, American, metric!
Also known as the metric metric tube thread pipe thread, 6810 diameter (pitch diameter of 12141618202224 (1); 1.5; 2730333639424548525660 (pitch) diameter pitch 2), divided into cylindrical and tapered pipe thread pipe thread, with the way into the column, cone and cone, cone two.
Q:The difference between the reducer joint and the strengthening pipe joint
The utility model can also be a screw thread connection, and the main function is that the large main pipe is connected with a small branch pipe, and the utility model has the reinforcing effect. When the common branch pipe is smaller than DN50, the reinforcing pipe joint can be used. If the size is greater than DN50, the variable diameter three way connection is necessary.
Q:What are the reducing, reducing, reducing, etc in the pipe joint?
You said reducing diameter may be tapered pipe thread, concrete view of pipe joint information, more detailed. You'd better have a picture and see it.
Q:What are the specifications and models of hydraulic pipe fittings?
Mechanical design manual fourth volumes, hydraulic pipe joints are there?. You go check it out,.

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