Browse SIENA's hydraulic fitting range, designed to provide secure, reliable connections for hydraulic systems. Select a fitting series to view detailed specifications, dimensions, compatibility, and technical information.
For 1-Wire & 2-Wire Braided Hoses
The SIENA CRIMP HA SERIES features an integrated one-piece coupling design for 1-wire and 2-wire braided hydraulic hoses. By combining the fitting and ferrule into a single component, it simplifies assembly, improves consistency, and delivers secure, leak-free performance with reduced installation time.
One-piece rigid male NPT coupling designed for hydraulic hose assemblies requiring NPT threaded connections.
One-piece rigid male JIC 37° coupling designed for hydraulic hose assemblies requiring a 37° metal-to-metal flare connection.
One-piece rigid male ORFS coupling designed for hydraulic hose assemblies requiring an O-ring Face Seal (ORFS) connection.
One-piece female JIC 37° swivel coupling designed for hydraulic hose assemblies requiring a 37° metal-to-metal flare connection.
One-piece 45° female JIC 37° swivel coupling designed for hydraulic hose assemblies requiring a 37° metal-to-metal flare connection.
One-piece 90° female JIC 37° swivel coupling designed for hydraulic hose assemblies requiring a 37° metal-to-metal flare connection.
One-piece female 45° swivel coupling designed for hydraulic hose assemblies requiring a 45° flare connection.
One-piece female ORFS swivel coupling designed for hydraulic hose assemblies requiring an O-ring Face Seal (ORFS) connection.
One-piece 45° female ORFS swivel coupling designed for hydraulic hose assemblies requiring an O-ring Face Seal (ORFS) connection.
One-piece 90° female ORFS swivel coupling designed for hydraulic hose assemblies requiring an O-ring Face Seal (ORFS) connection.
One-piece male inverted flare swivel coupling designed for hydraulic hose assemblies requiring an inverted flare connection.
One-piece 45° male inverted flare swivel coupling designed for hydraulic hose assemblies requiring an inverted flare connection.
One-piece 90° male inverted flare swivel coupling designed for hydraulic hose assemblies requiring an inverted flare connection.
One-piece straight Code 61 flange coupling designed for hydraulic hose assemblies requiring an SAE Code 61 flange connection.
One-piece 45° Code 61 flange coupling designed for hydraulic hose assemblies requiring an SAE Code 61 flange connection.
One-piece 90° Code 61 flange coupling designed for hydraulic hose assemblies requiring an SAE Code 61 flange connection.
For 4-Spiral Hydraulic Hoses
The SIENA CRIMP HW SERIES is a one-piece integrated coupling system engineered for 4-spiral hydraulic hoses. Designed for high-pressure applications, it provides superior retention, precise crimping, and reliable long-term performance while streamlining the hose assembly process.
One-piece rigid male NPT coupling designed for hydraulic hose assemblies requiring NPT threaded connections.
One-piece rigid male ORFS coupling designed for hydraulic hose assemblies requiring an O-ring Face Seal (ORFS) connection.
One-piece female JIC 37° swivel coupling designed for hydraulic hose assemblies requiring a 37° metal-to-metal flare connection.
One-piece 45° female JIC 37° swivel coupling designed for hydraulic hose assemblies requiring a 37° metal-to-metal flare connection.
One-piece 90° female JIC 37° swivel coupling designed for hydraulic hose assemblies requiring a 37° metal-to-metal flare connection.
One-piece female ORFS swivel coupling designed for hydraulic hose assemblies requiring an O-ring Face Seal (ORFS) connection.
One-piece 45° female ORFS swivel coupling designed for hydraulic hose assemblies requiring an O-ring Face Seal (ORFS) connection.
One-piece 90° female ORFS swivel coupling designed for hydraulic hose assemblies requiring an O-ring Face Seal (ORFS) connection.
One-piece straight Code 61 flange coupling designed for hydraulic hose assemblies requiring an SAE Code 61 flange connection.
One-piece 45° Code 61 flange coupling designed for hydraulic hose assemblies requiring an SAE Code 61 flange connection.
One-piece 90° Code 61 flange coupling designed for hydraulic hose assemblies requiring an SAE Code 61 flange connection.
One-piece straight Code 62 flange coupling designed for hydraulic hose assemblies requiring an SAE Code 62 flange connection.
One-piece 90° Code 62 flange coupling designed for hydraulic hose assemblies requiring an SAE Code 62 flange connection.
One-piece straight SuperCAT flange coupling designed for hydraulic hose assemblies requiring a Caterpillar SuperCAT flange connection.
One-piece 90° SuperCAT flange coupling designed for hydraulic hose assemblies requiring a Caterpillar SuperCAT flange connection.
For 6-Spiral Hydraulic Hoses
The SIENA CRIMP HL SERIES is an integrated one-piece coupling solution developed for 6-spiral hydraulic hoses operating under extreme pressure conditions. Its robust construction ensures maximum holding power, consistent crimp quality, and exceptional reliability in the most demanding industrial, mining, and offshore applications.
One-piece rigid male NPT coupling designed for hydraulic hose assemblies requiring NPT threaded connections.
One-piece female JIC 37° swivel coupling designed for hydraulic hose assemblies requiring a 37° metal-to-metal flare connection.
One-piece 45° female JIC 37° swivel coupling designed for hydraulic hose assemblies requiring a 37° metal-to-metal flare connection.
One-piece 90° female JIC 37° swivel coupling designed for hydraulic hose assemblies requiring a 37° metal-to-metal flare connection.
