Hydraulic pipe joint

Hydraulic pipe joint is a fitting that connects two or more hydraulic pipes together.

It is designed to create a leak-proof seal and provide flexibility to the hydraulic system, allowing it to absorb vibrations and movements of the pipes. Hydraulic pipe joints can be made from a variety of materials, including steel, brass, and plastic, and can have different types of connections such as threaded, flanged, or welded. They are commonly used in hydraulic systems such as hydraulic machinery, construction equipment, and automobiles.

Krh and krj series forging clamp type flexible pipe joints can effectively compensate the thermal expansion and cold contraction of the pipeline system due to temperature change, and compensate the angle change caused by the sinking of the pipeline foundation. They are resistant to high pressure, easy to install, and the comprehensive cost performance is much better than that of flange connection.

Technical specifications and parameters of hydraulic pipe joint：

Nominal Pressure (MPa)	Nominal Diameter (DN Mm)	Maximum Clearance At Pipe End (△ Mm)	Maximum Angle (Θ°)	Tube Deflection (F Mm/M)	L₁	L	D	D₁	D₂	B	B₁	Bolt
					L₁	L	D	D₁	D₂	B	B₁	Diameter (D)	Quantity
					Mm							Mm	Pc.
4	150	10	2.74	47	307	259	226	154	168	68	120-130	16	2
	175	10	2.35	41	333	285	252	178	194	68	120-130
	200	10	1.48	26	358	310	277	207	219	68	120-130
	225	10	1.33	23	384	336	303	232	245	68	120-130
	250	10	1.20	21	412	364	331	259	273	68	120-130
	300	10	1.04	18	483	427	383	310	325	68	120-130	18
	350	10	1.03	18	535	479	435	359	377	68	120-130	18
	400	10	0.97	16	595	535	484	408	426	68	120-130	20
2.5	450	10	0.93	16	649	589	538	462	480	68	120-130	20
	500	10	0.90	15	703	641	588	512	530	68	120-130	22
	600	10	0.88	15	803	741	688	610	630	68	120-130	22
1.6	700	10	0.82	14	889	829	778	700	720	68	120-130	20	4
	800	10	0.80	14	989	929	878	800	820	68	120-130	20
	900	10	0.73	12	1093	1031	978	900	920	68	120-130	22
	1000	10	0.70	12	1193	1131	1078	1000	1020	68	120-130	22

The theoretical mass includes the mass of clamps, terminations, sealing rubber rings, bolts and nuts.
The clamp with nominal diameter of 150 - 700 is composed of two lobes, and the clamp with nominal diameter greater than 700 is composed of four lobes.
Special requirements can be designed and manufactured separately.

Inspection

Packing

Any type of packing is available according to customer need to worldwide destinations.

For roadfreight in timber fingers or skids.
In strong open or closed wooden boxes depending destination.
Each bundle is protected with plastic sheets.
Customers can provide their own packing or Salem can prepare a packing plan.
Detailed packings lists are attached to wooden cases to give quick and clear identification of contents.

Coupling Fittings

High-quality coupling fittings for secure pipe connections.

Tubing Coupling

Durable tubing couplings designed for flexibility and reliability.

Ring Type Pipe Joint

Ring type pipe joints for robust and leak-free connections.

Hydraulic Pipe Joint

Precision hydraulic pipe joints for high-pressure applications.

Clamp Pipe Joint

Versatile clamp pipe joints for quick and easy assembly.

Standard Duty Rigid Coupling

Standard duty rigid couplings for general pipe connection needs.

HDPE Coupling

HDPE couplings for corrosion resistance and long-term durability.

Clamp Flexible Pipe Joint

Flexible clamp pipe joints for adapting to various pipe systems.

Flexible Coupling

Flexible couplings for absorbing misalignments and vibrations in piping systems.

【H】 Ceramic lined pipe

Ceramic lined pipe is made through self-propagating high-temperature synthesis (SHS) technique.

【H】 Cast basalt lined steel pipe

Cast basalt lined steel pipe is composed by lined with cast basalt pipe, outside steel pipe and cement mortar filling between the two layers.

【H】 Ceramic Tile Lined Pipes

Ceramic tile lined pipes have very uniform coating of specially formulated ceramic material that is affixed to the inner of the pipe.

【H】 Rare earth alloy wear-resistant pipe

The material of the rare earth alloy wear-resistant pipe is ZG40CrMnMoNiSiRe, which is also the grade of rare earth alloy steel.

【H】 Tubes Erosion Shields

Tubes Erosion Shields are used to protect boiler tubing from the highly erosive effects of high temperatures and pressures thereby greatly extending tube life.

【H】 ASTM A213 T91 Alloy Tube

The ASTM A213 T91 seamless tubes are primarily used for boiler, superheater, and heat-exchanger.