15611SW-S NPT SWIVEL MALE
1. Raw Material: Carbon Steel & Stainless Steel available2. Standard Plating: Trivalent Zinc Plating ( Cr3 / Chrome Free ), Silver & Yellow3. ...
1. Raw Material: Carbon Steel & Stainless Steel available2. Standard Plating: Trivalent Zinc Plating ( Cr3 / Chrome Free ), Silver & Yellow3. ...
Our 10 years of customisation experience has created the OPK Fitting brand value.




Hydraulic systems are among the most powerful and reliable force-transmission technologies in industrial and mobile equipment — yet they are also responsible for a significant share of serious workplace injuries every year. Hydraulic fluid injection injuries, burst hose incidents, and high-pressure...
View MoreChoosing the right hydraulic hose ferrule comes down to four factors: hose type, operating pressure, fluid compatibility, and whether your assembly requires skiving. A mismatched ferrule is the leading cause of hydraulic hose assembly failure — not worn hoses, not faulty fittings — and accounts for...
View MoreA socketless hose fitting is a hydraulic or fluid transfer connector that secures directly onto a hose using a barbed inner stem and an external clamp — with no crimped or swaged metal socket required. The fitting works by pushing its ribbed stem into the hose bore, then compressing a clamp band ov...
View MoreA swivel hose fitting is a specialized connector designed to allow rotational movement between connected hose components without twisting or damaging the hose. This rotation capability helps reduce hose stress, prevent kinking, and extend service life significantly.
Unlike fixed fittings, swivel hose fittings can rotate 360 degrees or within a certain angle range, making them ideal for dynamic hydraulic systems where movement is frequent.
The core feature of swivel fittings is their ability to rotate freely. This reduces torsional stress on the hose by up to 70% compared to rigid fittings.
By preventing twisting and internal damage, swivel fittings can extend hose lifespan. For example, a standard hose lasting 6 months may last up to 12–18 months when paired with a swivel fitting.
Swivel fittings reduce the risk of leaks and failures caused by hose twisting. This is especially critical in high-pressure systems exceeding 3000 PSI.
There are several types of swivel hose fittings designed for different applications:
| Type | Feature | Application |
|---|---|---|
| Ball Bearing | Smooth rotation | Heavy machinery |
| Threaded | Secure connection | Hydraulic systems |
| Multi-plane | Multi-directional | Complex systems |
Swivel hose fittings are widely used in industries that require flexibility and reliability:
In construction machinery, swivel fittings can reduce hose wear by up to 40%, improving operational efficiency.
Common materials used in swivel hose fittings include:
With proper surface treatment, such as zinc plating or nickel coating, the corrosion resistance can exceed 72 hours in salt spray testing environments.
About OPK Fitting
OPK FITTING Hydraulic Equipment Factory is a specialized domestic factory with hydraulic pipes and adaptors production experience. Our managing scope relates to various fields such as hydraulic systems etc.; Including all kinds of materials with different pressure levels, flexible hydraulic hoses with various size criteria, hose fitting, adaptor, etc. They have been respectively applied in the hydraulic and fluid conveyance systems of industries, such as machinery, metallurgy petroleum, construction, ships, space-flight, agriculture, pharmaceutical, food, and so forth.
Over 10 years of experience, combined with a skilled team and strict quality control, ensures high-quality products and reliable solutions for global customers.
Q1: What is the main benefit of swivel hose fittings?
A: The main benefit is reducing hose twisting and stress, which significantly extends hose lifespan.
Q2: Can swivel fittings handle high pressure?
A: Yes, many swivel fittings are designed to handle pressures above 3000 PSI depending on the material and design.
Q3: Where are swivel hose fittings commonly used?
A: They are widely used in construction, agriculture, marine, and industrial hydraulic systems.
Q4: Are swivel fittings durable?
A: Yes, especially when made from stainless steel or treated carbon steel, they offer excellent durability and corrosion resistance.