Technical Articles & Buying Guides
Comparisons of international standards and product selection guidance, written for engineers and procurement specialists in the oil, gas, petrochemical and steel industries.
Comparative standard guides
These articles are written to help you select the right product on the basis of the SAE, ISO, BS and ASME international standards. Each article links to the full technical specification of the related product.
SAE 100R1AT vs R2AT hose — a selection guide
A technical comparison of one-wire and two-wire braided hydraulic hose to SAE J517: the difference in working pressure and how to choose between them.
JIC, BSP and metric fittings compared
A comparison of the thread form and sealing angle of the three common hydraulic connection standards, and which to specify on which project.
A guide to industrial flange pressure classes to ASME B16.5
An introduction to Class 150 through Class 2500 and how to select the correct class based on design pressure and service temperature.
Choke & Kill hose to API 16C — FSL, fire testing and shelf life
Fire service levels FSL 0–3, the 704 °C fire test, sour service and shelf life; what to state in a choke and kill enquiry.
Hose bend radius and correct installation practice
Minimum permissible bend radius (R min), correct clearance from fittings, and common installation errors that lead to premature hose failure.
Hose Fluid Compatibility Guide + Online Lookup Tool
Online lookup for chemical compatibility of oil, fuel, acid, natural gas and dozens of other fluids with the site’s main hose families.
Hose Hydrostatic Testing per ISO 1402
Test pressure ratio, why hose length matters for measuring length change, and general conditions for a correct hydrostatic test.
Online Pressure Unit Converter
Quickly convert working pressure between bar, PSI, MPa, atmosphere, kgf/cm² and other common industrial units.
Hydraulic hose size and pressure chart (R1AT, R2AT, 4SH, R15)
Working pressure of four wire-reinforced hose grades from 1/4 to 2 inch, inch/DN/dash-size conversion, and how to choose the grade.
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