S Series DG Swivel Rotary Fittings

1. Product Overview

The S Series DG Swivel Rotary Fittings, also referred to simply as rotary fittings, are high-performance movable connectors designed for hydraulic systems. This product line acts as an ideal complement to the PS Series swivel fittings from the quick coupling product range, delivering multiple advanced features to upgrade the overall functionality of fluid power systems. Built around a pressure-balanced mechanism and a compact forged body, this series stands out from conventional products in operational performance and long-term reliability. With well-rounded design and solid build quality, it has become a widely adopted component across different industrial sectors for solving pipe connection problems in complex hydraulic circuits.

2. Structure & Operating Performance

The pressure-balanced construction is the most prominent feature of this swivel fitting. When the working pressure of the hydraulic system increases, the operational torque of the fitting will not rise sharply. This ensures smooth and steady rotation all the time, even under continuously changing pressure conditions. For dynamic hydraulic systems where pressure fluctuation occurs regularly, this design maintains consistent working performance and easy operation throughout the service period. The entire housing is manufactured using professional forging technology, which greatly enhances structural robustness and durability. The sturdy body can endure harsh working conditions and heavy loads, whether deployed on stationary industrial machinery or mobile hydraulic equipment. It maintains reliable operation for a long time and effectively cuts down routine inspection and maintenance work for the whole system.

3. Main Functions

When the side load applied to the swivel is kept to a minimum during operation, the fitting works efficiently to eliminate hose twist, extra torque and mechanical stress generated by the movement of hydraulic components. These negative forces are major causes of fatigue and damage to hydraulic hoses and related parts. By removing such stress, the fitting extends the service life of pipeline components remarkably. In addition, it reduces potential failures triggered by pipe distortion and long-term stress, further improving operational safety and overall working efficiency of the entire hydraulic system.

4. Typical Applications

These swivel fittings are well suited for hydraulic circuits of all kinds of stationary industrial machinery. They are also widely installed on hydraulic pipelines of construction machinery and vehicle-mounted mobile equipment. They are the preferred choice for working scenarios where mechanical parts move frequently, pipelines are prone to twisting, system pressure changes constantly, and high flexibility of rotary connectors is required.

5. Key Advantages

The innovative pressure-balanced design guarantees flexible and stable rotation under both high pressure and variable pressure working conditions. The forged body features outstanding mechanical strength and wear resistance, perfectly adapting to heavy-duty and harsh industrial environments. The fitting effectively relieves stress on hydraulic pipelines and provides reliable protection for hoses and matching components. Its compact structure allows for simple installation, and it can be combined freely with supporting products of the same series. All these strengths combine to optimize the comprehensive performance and service life of hydraulic systems.

6.Specification