NPSM Fittings Explained: Straight Pipe Threads, Cone Seats, and Compatibility
May 25th 2023
NPSM fittings use National Pipe Straight Mechanical threads. The word straight is important: NPSM threads do not taper like NPT threads
ORB Fittings Explained: O-Ring Boss Identification, Sizes, and Uses
May 17th 2023
An ORB fitting is an O-ring boss fitting. It uses straight threads for mechanical engagement and an O-ring for sealing at the port. Thi
ORB vs NPT Fittings: Sealing Method, Reuse, and Selection
May 11th 2023
ORB and NPT fittings can both appear on hydraulic equipment, but they seal in very different ways. ORB uses a straight thread and an O-
ORFS Fittings: Face-Seal Operation, Identification, and Use Cases
May 2nd 2023
ORFS fittings are used when a hydraulic connection needs a controlled O-ring face seal rather than a thread seal or metal flare seal. O
Hydraulic Hose Cross-Reference: Matching SAE Hose Construction and Pressure Class
Apr 26th 2023
Hydraulic hose cross-reference work should start with the hose standard and construction, not only the brand name printed on the cover.
Hydraulic Hose Types: Choosing by Construction and Application
Apr 18th 2023
Hydraulic hose selection starts with the job the hose must do. A hose carries pressurized fluid between pumps, valves, cylinders, motor
Hydraulic Hose Bend Radius: Why Installation Radius Matters
Apr 13th 2023
Hydraulic hose installations often have to route around pumps, coolers, filters, cylinders, actuators, and moving machine parts. In tho
ORFS Fittings: O-Ring Face Seal Benefits and Limits
Apr 5th 2023
ORFS fittings use an O-ring face seal to control leakage at the mating surface. The threads pull the connection together, while the O-r
Stainless Steel Pipe vs Hose: Where Each Fits in an Assembly
Mar 30th 2023
Stainless steel pipe and hydraulic hose are both used in fluid power assemblies, and many systems use both. It is uncommon for one opti
Stainless Steel Hose Fittings and Adapters: When They Make Sense
Mar 21st 2023
Stainless steel hose fittings and adapters are used when the system needs more than basic connection hardware. The added value is usual