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About UsThe company possesses robust R&D capabilities in the development of new hydraulic systems, hydraulic valves, and hydraulic fittings, enabling it to independently undertake surveying and mapping, drafting, and customized manufacturing, with distinctive advantages in precision parts machining.
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ProductsThe company possesses robust R&D capabilities in the development of new hydraulic systems, hydraulic valves, and hydraulic fittings, enabling it to independently undertake surveying and mapping, drafting, and customized manufacturing, with distinctive advantages in precision parts machining.
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NewsThe company possesses robust R&D capabilities in the development of new hydraulic systems, hydraulic valves, and hydraulic fittings, enabling it to independently undertake surveying and mapping, drafting, and customized manufacturing, with distinctive advantages in precision parts machining.
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HRThe company possesses robust R&D capabilities in the development of new hydraulic systems, hydraulic valves, and hydraulic fittings, enabling it to independently undertake surveying and mapping, drafting, and customized manufacturing, with distinctive advantages in precision parts machining.
Rotary Hydraulic Fitting Three Connections GY for Hydraulic Systems
2026-10-30
A Rotary Hydraulic Fitting connects hydraulic lines while allowing rotation at the joint, and Changhe Hydraulic supplies the Three Connections GY as a rotary three-way fitting for hydraulic systems. The GY model is part of the company fitting range, which also includes DN series threaded fittings, KJ series connectors, clamp fittings, multi-channel blocks and ball valve series. The fitting is designed for assemblies where a three-way connection has to be made without losing the swivel function. The GY body is one of several rotary fitting patterns in the range, and the three-way port layout allows a main line to feed two branches from a single swivel point.
Changhe Hydraulic manufactures hydraulic fittings and precision parts, and the company states that it can undertake surveying, mapping, drafting and customized manufacturing. The product range covers Y-shaped tees, T-shaped connectors, 90 and 135 degree elbows, four-way connectors, plugs and rotary joints, with thread options that include UNF, NPTF, BSP, BSPT and metric threads. A Rotary Hydraulic Fitting such as the Three Connections GY can therefore be matched to the thread standard and the connection pattern of the existing hydraulic line. The company also states that it has distinctive advantages in precision parts machining, which is useful when a standard fitting has to be adapted to an existing manifold or a non-standard port spacing. For a Rotary Hydraulic Fitting that will be used in a series production machine, the buyer should ask for the dimensional drawing and the material certificate before the first batch.
Typical Applications
The Three Connections GY is used in hydraulic systems where one line has to branch into two directions and the joint has to rotate during operation. Typical uses include hydraulic assemblies on mobile equipment, workshop machinery and custom power units, where the hose or tube routing changes with the movement of the actuator. The rotary function reduces torsional stress on the hose and makes the connection easier to install in a tight space. Buyers should confirm the working pressure, the thread type and the hose or tube connection before the order, because a rotary fitting has to match the mating parts on both sides. In a mobile application the fitting may be exposed to vibration and pressure pulses, so the buyer should confirm the rated pressure and the fatigue performance with the supplier. In a workshop machine the same fitting may be selected for a lower pressure but a tight bend radius, and the rotary action helps the hose follow the moving part without twisting. The installation should leave enough straight length on both sides of the fitting for the hose to move freely.
For a Rotary Hydraulic Fitting project, the buyer should send the connection drawing, the thread standard, the hose or tube size and the required angle. Changhe can produce standard GY fittings and custom parts from a drawing or a sample. The material and the surface treatment should also be confirmed, because hydraulic fittings are often exposed to oil, moisture and vibration. A sample fit check on the actual hose and adapter is the practical way to confirm the thread engagement and the swivel freedom before a batch order. The working temperature and the hydraulic fluid also matter, because the seal and the surface treatment have to be compatible with the oil and the operating condition. If the line uses a high pressure rating, the fitting body and the thread should be checked against the hose rating rather than selected by size alone. A pressure test on the assembled hose is recommended before the machine is put into service.
FAQ and Ordering
A common question is whether the Three Connections GY can be supplied with a different thread. The company range includes UNF, NPTF, BSP, BSPT and metric threads, so the answer depends on the requested size and the production batch, and the buyer should confirm the exact thread with the sales team. Another question is the minimum order and the delivery time, which depend on whether the item is a standard model or a custom part, so the quantity and the drawing should be sent together. For a quotation on the Rotary Hydraulic Fitting Three Connections GY, contact Changhe Hydraulic by email at 3599034246@qq.com or by phone at +86-13546112419, +86-13546117560 or +86-354-3983337, and include the thread standard, the connection size, the working pressure and the order quantity. For repeat orders, the buyer should keep the approved drawing, the thread gauge and the sample fitting as the reference, so that later batches match the first delivery. The sales team can confirm the packing, the marking and the shipment method once the order quantity is fixed. If the required item is not a standard GY model, a drawing or a physical sample is the fastest way to start the quotation.
Keywords：
Changhe Hydraulics | Precision Parts Machining
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