Guaranteed Quality Unique Union Cross-K Hydraulic Fittings Form China Supplier

Hydraulic fittings, including union cross fittings, are crucial in hydraulic cylinder systems. Hydraulic cylinder systems use fittings to connect components, such as cylinders, valves, hoses, and pipes, to create a sealed hydraulic circuit. The fittings ensure proper fluid flow, pressure control, and reliable operation of the hydraulic system.

The importance of any specific fitting, such as a Union Cross-K fitting, would depend on its design, features, and compatibility with the hydraulic system requirements. Factors such as pressure ratings, fluid compatibility, and proper installation are critical considerations for hydraulic cylinder systems' effective and safe operation.

 

	T Part NO.	Series Working Pressure (bar/psi)	Tube O.d.	l2	L2	S1	S2
	-T04LL	LL very light 100 bar 1450psi	4	11	21	9	10
	-T06LL		6	9.5	21	11	12
	-T08LL		8	11.5	23	12	14
	-T10LL		10	12.5	24	14	17
	-T12LL		12	15	27	14	19
	-T06L	L light 315 bar 4560psi	6	12	27	12	14
	-T08L		8	14	29	14	17
	-T10L		10	15	30	17	19
	-T12L		12	17	32	17	22
	-T15L		15	21	36	19	27
	-T18L		18	23.5	40	24	32
	-T22L	160 bar 2320psi	22	27.5	44	27	36
	-T28L		28	30.5	47	36	41
	-T35L		35	34.5	56	41	50
	-T42L		42	40	63	50	60
	-T06S	S heavy 630 bar 9130psi	6	16	31	14	17
	-T08S		8	17	32	14	19
	-T10S		10	17.5	34	17	22
	-T12S		12	21.5	38	17	24
	-T14S		14	22	40	19	27
	-T16S	400 bar 5800psi	16	24.5	43	24	30
	-T20S		20	26.5	48	27	36
	-T25S		25	30	54	36	46
	-T30S		30	35.5	62	41	50
	-T38S	315 bar 4560psi	38	41	72	50	60

Installation Instructions

The nuts of ROKE hydraulic fittings are all silver plated, and spray nano lubricating layer with our patent. This way, the installation torque can be controlled within a reasonable range.

Especially in the case of narrow space or suspended operation, it makes installation very easy.

For proper assembly, assembly instructions shall be followed. Improper assembly may lead to malfunctions or impair safety.

Assembly in the fitting body

1. Cut the tube：1/2˚ angle tolerance to the tube axis is permissible. A tube cutter is not recommended.

2. Lightly remove chips and particles from the inside and outside cut edges of the tube. Bevel up to 0.2mm × 45˚ is permissible.

3. For tube bend, the minimum height from the straight pipe end to the bending radius must be at least twice the height of the nut.

4. Lubricate the thread and cone of the fitting body, ring, and nut thread.

Assembly

5. Slip the nut and then ring onto the tube end. Ensure that the ring is placed correctly.
6. Screw the nut manually onto the fitting body until the finger is tight. Hold the tube against the shoulder in the cone of the fitting body.

7. Mark the nut and tube to measure the prescribed turns of the nut.
8. Tighten the nut 1 1/4 turns. The tube must not turn with the tube—the stop edge of the ring limits over-tightening by increasing tightening torque.

Check & Final Assembly

9. Loosen nut and remove the ring-mounted tube from the fitting. Check if a visible collar has formed on the pipe before the first cutting edge. If not, tighten slightly more.

10. Insert the pre-assembled tube into the fitting. While holding the fitting body with a wrench, tighten nut approx—1/4 revolution beyond the point of a perceptible resistance.

Applications Of Union Cross-K Hydraulic Fittings

1. Branching Connections: Union cross fittings enable the branching of hydraulic lines, allowing for connecting multiple cylinders or hydraulic components to the system. This can be useful in systems with parallel or independent cylinder operations.
2. Manifold Systems: Union cross fittings can be used in manifold systems where multiple cylinders are connected to a centralized control or distribution point. Manifold systems help streamline fluid flow and management in complex hydraulic setups.
3. Control Valve Connections: Union cross fittings can facilitate the connection of control valves to hydraulic cylinders. Control valves direct and regulate the flow of hydraulic fluid to the cylinders, determining their extension, retraction, and speed. Union cross fittings ensure proper connections between the valve and the cylinder ports.
4. System Modifications: Union cross fittings allow for modifications or expansions in hydraulic cylinder systems. They enable the integration of additional cylinders, valves, or components into the existing system, providing flexibility and adaptability.

Advantages Of Union Cross-K Hydraulic Fittings In Hydraulic Cylinder

1. Versatility: Union cross fittings allow connecting multiple hydraulic lines or components in a cross configuration. This versatility enables the integration of various cylinders, valves, or subsystems into the hydraulic system, providing flexibility in system design and operation.
2. Branching Capabilities: Union cross fittings facilitate the branching of hydraulic lines, allowing for connecting multiple cylinders or hydraulic components. This is particularly useful in systems that require parallel or independent cylinder operations, enabling precise control and coordination of various cylinders.
3. Manifold Systems: Union cross fittings can create manifold systems, where multiple cylinders are connected to a centralized control or distribution point. Myriad systems streamline fluid flow, simplify plumbing, and facilitate efficient management and monitoring of the hydraulic cylinders.
4. Modular Design: Union cross fittings, if designed with modular features, allow for easy assembly, disassembly, and reconfiguration of hydraulic cylinder systems. This can be advantageous during system maintenance, repair, or modification, as it minimizes downtime and simplifies system changes.
5. Leak Prevention: High-quality union cross fittings, when properly installed, provide secure and leak-free connections between hydraulic components. This helps maintain the integrity of the hydraulic system, prevents fluid loss, and ensures optimal performance and safety.
6. Compatibility: Union cross fittings are available in various sizes, materials, and configurations to accommodate different hydraulic system requirements. They are designed to withstand high pressures, resist corrosion, and offer compatibility with various hydraulic fluids.

It's important to note that the specific advantages and benefits of a Union Cross-K fitting if it exists, would depend on its unique design, features, and performance characteristics. If you have more specific information about the Union Cross-K fitting, please provide additional details for further assistance.

Our Factory

Ever power, the main products of various domestic and international standards of high-pressure ball valves, needle valves, valve manifolds, flange, pipe fittings, tube fittings, and other products, widely used in nuclear power, petroleum, chemical, shipbuilding, sea engineering, metallurgy, machinery, electric power industries, measuring instrument pipeline and the high temperature and high pressure, high corrosion resistance and other harsh conditions of the site.

Our company is approved by the China Classification Society quality certification, with import and export certificates. The company covers an area of 7200 square meters, a construction area of 5400 square meters, and an existing technical staff of more than 60 people. Company production equipment, product manufacturing product design, mold development, mold making material forging, CNC precision machining, metal surface treatment, finished testing a full set of production technology, the production of high precision products, pressure resistant. Products are exported to Japan, Germany, America, South America, Southeast Asia, and many others.