The company manufactures high-quality tube couplings, adaptors, pipe flanges, diagnostic couplings, and allied control valves under the brand name Hyloc for more than 47 years.
8 Criteria to select proper Tube Fittings
Tube fittings are the basic and most essential components in any Hydraulic systems to convey the hydraulic media, i.e. oil from one location to another.
Hydraulic tube fittings are the unsung heroes of hydraulic machineries world – the ones who keep everything running smoothly, while staying humble and out of the spotlight, just like the back stage crew of a Broadway musical, making sure the show goes on without a hitch while the stars take all the credit.
Without hydraulic tube fittings or say connectors, the whole show would fall apart.
Let’s learn the criteria to select appropriate tube fittings.
Hope this little effort by hyloc will bring awareness to design/application engineers, quality inspectors, service technicians, etc. so that the systems run smoothly.
Below are some criteria for tube fittings selection.
S.No.
Design Criteria
Points to consider during tube fittings selection
1
Application
- Industrial Hydraulics
- Mobile Hydraulics
- Automobiles
- Marine Application
- Food Processing
- Leather / Rubber Industries
- Steel Mills
- Railways
- Aerospace
- Lubrication
- Defence projects
- Instrumentation
- Pneumatics
- High pressure and Ultra High-pressure applications
- Oxygen System
2
Pressure
- System Pressure (Working Pressure)
- Peak Pressure (Pressure surges)
3
Temperature
- Stationary
- In Operation (During working conditions)
- Environment
4
Media
- Hydraulic Oil
- Compressed Air
- Water / Sea water
- Any other specific fluid in use
5
Flow Rate
- Flow Volume (lpm)
6
Space (Installation)
- Space limitation (Any space constraints in the system)
- Tube Bending Capabilities
7
Environment
- Space limitation (Any space constraints in the system)
- Tube Bending Capabilities
8
Specifications
- International Standards
- End-user specifications if any
- Approval required
Below are some of the inputs for the selection of Material grades for tube fittings based on the application.
Tube fitting material
Steel
Stainless Steel
Copper / Brass
Typical Applications
- Machine Tools
- Mobile
- Construction Equipment
- Ship building
- Off Shore
- Coastal installations
- Food Processing
- Paper
- Lubrication
- Pneumatics
- Cooling water
Below are some of the inputs for the selection of Material grades for tube fittings based on the application.
Seal Material
Metal to Metal
NBR
VITON
Typical Applications
- Process Industries
- Agricultural
- Machine tools
- Hydraulic presses
- Mobile
- Construction
- Steel Mills
- Casting Machines
Below are some of the inputs for selection of Pressure ratings of tube fittings
Series
LL
L
S
Design
Very Light (100 bar)
Light (up to 250 bar)
Heavy (up to 630 bar)
Sizes
4mm to 12mm
6mm to 42mm
6mm to 38mm