Two-piece hydraulic hose fittings consist of hydraulic ferrules and hose end fittings separately. They are not pre-crimped ferrule hose fittings which are also known as one-piece hydraulic fittings. Hydraulic ferrules include 1SN, 2SN, 4SP, 4SH, and multi-spiral hoses. These provide multiple two-piece fitting and ferrule options to meet the specific requirements of different applications.
Stainless 316 two-piece hose fittings are the optimal choice for ensuring corrosion resistance and a long service life, particularly in chemical and offshore applications. In these crucial applications where 316 stainless steel is employed, the end user might demand that the hose fitting manufacturer provide material traceability.
The standard of Hose fitting ends as follows:
- ISO 12151 – DKOS, DKOL
- ISO 8434 – DKS, DKL, BEL
- DIN 7642 – Banjo
- BS 5200 – DKR, AGR
- ISO 12151 – SFL (3000 psi)
Market of two-piece hydraulic hose fittings:
- Aerospace: Demands high-quality fittings for reliable fluid transfer in aircraft systems.
- Climate Control: Used in HVAC systems for efficiently handling refrigerants and other fluids.
- Electromechanical: Essential for connecting hydraulic lines in electromechanical equipment.
- Filtration: Plays a role in filtration systems where fluid transfer is required.
- Fluid & Gas Handling: Critical for safely and efficiently handling various fluids and gases.
- Hydraulics: A major application area for two-piece hydraulic hose fittings.
- Pneumatics: Used in pneumatic systems for compressed air and gas transfer.
- Process Control: Helps in maintaining accurate fluid control in industrial processes.
- Sealing & Shielding: Ensures proper sealing and protection in various applications.
2-piece hose fittings are employed in these critical and exceptionally high-pressure applications, especially when there is a likelihood of extreme hose vibration and/or pressure surges. Two-piece hose connections are of great significance as they provide a robust assembly of the fitting and hose. In these high-pressure applications, the hose is sometimes skived on the inside and outside (or double skived), creating a metal-to-metal connection on both the interior and exterior of the hose.
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Two piece hydraulic hose fittings and ferrule catalog as follows:
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