15618 NPT 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. ...
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.




A 250 bar return line on a 12-tonne excavator starts weeping at the pump port. The hose is sound, the clamps are tight, and the leak is at the joint where a straight-thread stud meets the port. In most cases like this, the joint is one of four O-ring fitting families, and the whole repair depends o...
View MoreA maintenance crew replaces a three-quarter-inch hose by matching the part number on the old layline. Same pressure rating, same fittings, same length. Ten weeks later the tube is blistered, the oil has gone dark, and the press is down for two shifts. Nothing about the pressure rating was wrong. Th...
View MoreA hydraulic hose can survive years of service, but the connection is often the weak point. Think about a 3/8-inch JIC male connector that starts to weep because the 74° sealing seat is scored. The maintenance supervisor replaces the hose, only to discover the port on the manifold is ORFS. Two diffe...
View MoreReusable hose fittings are mechanical connectors designed to be installed, removed, and reused multiple times without compromising performance. Unlike crimp fittings, reusable hose fittings can be disassembled and reattached, making them a cost-effective and flexible solution for hydraulic systems.
These fittings are widely used in systems where frequent maintenance or hose replacement is required, reducing downtime and operational costs.
One of the biggest advantages is reusability. In industrial applications, replacing crimp fittings can cost significantly more over time. Reusable fittings can reduce maintenance costs by up to 30–50% in long-term operations.
Reusable fittings are designed with precision threads and sealing mechanisms to ensure tight connections. They can handle pressure levels up to 3000–5000 PSI depending on the hose type and material.
These fittings can be installed using simple tools such as wrenches, without the need for specialized crimping machines. This makes them ideal for field repairs and emergency replacements.
Different types of reusable hose fittings are available to meet diverse application needs:
| Type | Application | Pressure Range |
|---|---|---|
| JIC | Hydraulic systems | Up to 5000 PSI |
| NPT | General piping | Up to 3000 PSI |
| BSP | European systems | Up to 4000 PSI |
Reusable hose fittings are widely used across industries that require reliable and maintainable hydraulic connections:
In construction machinery, reusable fittings help reduce downtime by up to 25%, allowing quick on-site hose replacement without specialized tools.
Reusable hose fittings are typically made from:
High-quality coatings such as zinc plating can extend product lifespan and improve resistance to rust and corrosion.
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 design team ensures high-quality products and reliable service for global customers.
Q1: What is the main advantage of reusable hose fittings?
A: The main advantage is reusability, allowing multiple installations and reducing long-term costs.
Q2: Can reusable fittings handle high pressure?
A: Yes, most reusable hose fittings can handle pressures up to 3000–5000 PSI depending on the design.
Q3: Are they easy to install?
A: Yes, they can be installed using simple hand tools without the need for crimping machines.
Q4: What materials are available?
A: Common materials include carbon steel and stainless steel for different industrial needs.