20591 90°Metric Female 24°Cone O-Ring H.T.Din 3865
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. ...
Product DescriptionProduct name: Hydraulic Hose Fitting with Zinc Plated, Metric Female 74 Degree Cone Seat 20791 (T)1. Raw Material: Carbon Steel &am...
Product DescriptionProduct name: Jic Female 74° Cone Seat Sea J514 Hydraulic Hose Fitting (26711. 26711-T)1. Raw Material: Carbon Steel & ...
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...
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 MoreA standard hose fitting is a critical connector used in hydraulic systems to securely join hoses with other components such as pumps, valves, and cylinders. These fittings ensure a tight seal and efficient fluid transmission under high pressure, often exceeding 3,000 PSI. A reliable fitting can significantly reduce leakage risks and improve system efficiency by up to 15%.
Standard hose fittings are widely used across industries including construction, agriculture, and manufacturing, where durability and reliability are essential.
Our fittings are available in carbon steel and stainless steel. Carbon steel is suitable for general applications, while stainless steel is ideal for environments requiring high corrosion resistance, such as marine or chemical industries.
We use trivalent zinc plating (Cr3, chrome-free) with silver and yellow finishes. This eco-friendly coating enhances corrosion resistance while meeting environmental standards.
Our fittings pass a salt spray test of over 72 hours, and can reach up to 200 hours upon request, ensuring long-term durability in harsh environments.
Each product is protected with plastic caps and packed in carbon boxes to prevent damage during transportation and storage.
| Material | Corrosion Resistance | Application |
|---|---|---|
| Carbon Steel | Medium | General hydraulic systems |
| Stainless Steel | High | Marine and chemical industries |
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.
We provide OEM services where customers only need to provide drawings or samples. In addition, free samples are available to help customers evaluate product quality before mass production.
With proper material selection and maintenance, hose fittings can last 3–5 years or longer depending on working conditions.
Yes, we offer OEM customization based on customer drawings or samples to meet specific application requirements.
Yes, we provide free samples. Please contact our sales team to request samples and evaluate product quality.