20691-RW 90° Metric Female 60° Cone
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. ...
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. ...
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. ...
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.




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View MoreA one piece hose fitting is a type of hydraulic connector where the fitting and ferrule are integrated into a single component. For OPK Standard, this design ensures higher sealing reliability, simplified installation, and consistent performance across hydraulic systems.
Compared to multi-piece fittings, one piece fittings eliminate assembly errors and reduce the risk of leakage, making them ideal for high-pressure and critical applications.
The one piece structure combines the hose fitting and ferrule, which reduces installation steps. This can reduce assembly time by up to 50% compared to traditional two-piece fittings.
The precise design ensures a tight grip on the hose, preventing leaks even under high pressure. Many OPK standard fittings can handle pressures ranging from 3000 PSI to 6000 PSI depending on the specification.
Because the components are pre-assembled, there is no risk of mismatched ferrules or improper crimping, which significantly improves system reliability.
One piece hose fittings for OPK standard are manufactured with strict quality requirements. Key specifications include:
| Item | Standard | Benefit |
|---|---|---|
| Material | Steel / Stainless Steel | High durability |
| Pressure | 3000–6000 PSI | High-pressure use |
| Coating | Zinc plating | Anti-corrosion |
One piece hose fittings are widely used in industries that require safe and stable fluid transfer:
In heavy machinery, using one piece fittings can reduce leakage incidents by up to 35%, improving overall system efficiency.
The installation process of one piece hose fittings is straightforward:
This simple process helps reduce human error and ensures consistent quality in mass production.
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 that OPK delivers reliable and high-performance hydraulic solutions worldwide.
Q1: What is the main advantage of one piece hose fittings?
A: The main advantage is simplified installation and reduced leakage risk due to the integrated design.
Q2: Can one piece fittings handle high pressure?
A: Yes, many OPK standard fittings can handle pressures up to 6000 PSI depending on size and material.
Q3: Are they suitable for all hose types?
A: They are compatible with many standard hydraulic hoses, but it is important to match the correct size and specification.
Q4: Are one piece fittings cost-effective?
A: Yes, they reduce labor time and installation errors, making them cost-effective for large-scale applications.