24211 ORFS Female Flat Seat
Product DescriptionProduct name: ONE-PIECE Hose Fittings1. Raw Material: Carbon Steel & Stainless Steel available2. Standard Plating: Trivalent Zi...
Product DescriptionProduct name: ONE-PIECE Hose Fittings1. Raw Material: Carbon Steel & Stainless Steel available2. Standard Plating: Trivalent Zi...
Product DescriptionProduct name: Big Stock Zinc Plated NPT thread hydraulic hose fitting 156111. Raw Material: Carbon Steel & Stainless Steel avai...
Product DescriptionProduct name: 14211 Orfs Hydraulic Fitting1. Raw Material: Carbon Steel & Stainless Steel available2. Standard Plating: Trivale...
Product DescriptionProduct name: Jic Male 74° Cone Hydraulic Pipe Fitting (16711)1. Raw Material: Carbon Steel & Stainless Steel available...
Product DescriptionProduct name: Hose Fitting - British Standard - Bsp 60 Cone Seal - 5o Bsp Female 60o Cone1. Raw Material: Carbon Steel & Stainl...
Description Of Products:1) Material: C45 /C20 Carbon steel, Stainless steel2) Finish: yellow Zinc plated, White Zinc Plated3) Standards: PARKER, EATON...
Product DescriptionProduct name: Elbow 90 Degree Bsp Female 60 Degree Cone Hydraulic Fitting1. Raw Material: Carbon Steel & Stainless Steel availa...
Product DescriptionProduct name : SAE Flange 3000 Psi Hydraulic Pipe Fitting 87611. 87612. 876131. Raw Material: Carbon Steel & Stainless Steel av...
Product DescriptionProduct name: SAE Flange 3000 Psi Hydraulic Pipe Fitting 87611. 87612. 876131. Raw Material: Carbon Steel & Stainless Steel ava...
Product DescriptionProduct name : 45° Elbow SAE Flange 3000 Psi Hydraulic Union Hose Fitting/ Integrated Hose Fitting1. Raw Material: Carbon S...
Product DescriptionProduct name: SAE Flange 3000 Psi Hydraulic Pipe Fitting 87611. 87612. 876131. Raw Material: Carbon Steel & Stainless Steel ava...
Product DescriptionProduct name: ONE-PIECE Hose Fittings1. Raw Material: Carbon Steel & Stainless Steel available2. Standard Plating: Trivalent Zi...
Our 10 years of customisation experience has created the OPK Fitting brand value.




Suppose a newly delivered hose assembly threads onto the pump port for three turns and then binds. Forcing it a little more creates a connection that looks right but leaks as soon as the system reaches operating pressure. In field service, mismatched hydraulic fitting threads cause leaks, stripped ...
View MoreA hydraulic hose bursts on an excavator arm at mid-morning. The spare fitting in the toolbox looks exactly like the damaged one, but it will not thread on. Identifying hydraulic fittings correctly is what separates a 20-minute repair from a half-day hunt for the right adapter. Most hydraulic fittin...
View MoreWhen a Look-Alike Fitting Costs You Downtime During a routine hose replacement on an excavator, a maintenance crew fitted a replacement that looked identical to the old one: same hex size, same thread pitch reading on a simple gauge. The circuit leaked as soon as pressure passed 200 bar. The replac...
View MoreHydraulic lines and fittings are essential components in fluid power systems, responsible for transporting pressurized fluid between different parts of machinery. These systems are widely used in construction equipment, manufacturing lines, and automotive applications. A typical hydraulic system can operate at pressures ranging from 1,500 to 5,000 PSI, making reliability and sealing performance critical.
Hydraulic lines (hoses or tubes) carry the fluid, while fittings connect these lines securely to pumps, valves, and actuators. Proper design ensures minimal leakage, efficient energy transfer, and long service life.
Each type serves different pressure ratings and operational requirements, ensuring optimal system performance.
| Type | Pressure Capacity | Best Use |
|---|---|---|
| Flexible Hose | Up to 5,000 PSI | Mobile equipment |
| Rigid Tube | Up to 10,000 PSI | Industrial systems |
Inspect hoses for cracks, leaks, or bulging. Studies show that over 70% of hydraulic failures are caused by poor maintenance.
Avoid over-tightening fittings and ensure correct alignment to reduce stress and extend lifespan.
Ningbo Force Auto Parts Co., Ltd. specializes in providing high-quality hydraulic components, lifting solutions, and industrial accessories. With advanced manufacturing capabilities and strict quality control, the company delivers reliable products that meet global standards, helping customers improve system efficiency and safety.
Typically every 3–5 years, depending on usage and environmental conditions.
Use correct fittings, ensure proper torque, and regularly inspect seals and connections.
Choose hoses for flexibility and vibration resistance, and tubes for high-pressure, fixed installations.