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Practical guides for identifying hydraulic fittings, comparing connection styles, checking applications, reviewing materials, and finding relevant HGW product categories.

Connection Types

JIC Fittings Explained: 37 Degree Flare Seals and Common Uses

Aug 3rd 2023

A JIC fitting is a hydraulic fitting that seals at a 37 degree flare. The threads pull the two halves together, but the fluid seal is m
Connection Types

How to Measure JIC Fittings: Threads, Dash Sizes, and 37 Degree Flare

Jul 25th 2023

Measuring a JIC fitting correctly means confirming the end type, thread diameter, thread pitch, dash size, and 37 degree flare seat. A
Fitting Guides

Hydraulic Adapter Selection: Threads, Seals, Materials, and Fit

Jul 19th 2023

A hydraulic adapter is not just a connector that happens to fit between two parts. It converts thread standards, changes direction or s
Connection Types

BSP Fittings Explained: British Pipe Threads, Seals, and Uses

Jul 11th 2023

BSP fittings are pipe-thread fittings based on British Standard Pipe geometry. They use a 55 degree thread form and appear widely on eq
Connection Types

BSPT vs BSPP Threads: Tapered and Parallel BSP Connections

Jul 6th 2023

BSPT and BSPP are both British Standard Pipe thread forms, but they do not seal the same way. BSPT is tapered and seals through thread
Connection Types

NPT vs BSP Threads: Standards, Seal Style, and Identification

Jun 28th 2023

NPT and BSP threads are common pipe-thread standards, but they are not interchangeable. They differ in thread angle, pitch, taper, regi
Connection Types

NPT, BSPT, and BSPP Threads: Sealing Differences and Compatibility

Jun 22nd 2023

NPT, BSPT, and BSPP are pipe-thread standards that can look similar during repair, but they do not seal the same way. The differences i
Connection Types

NPSM vs NPT Threads: Straight Mechanical Seal vs Tapered Pipe Seal

Jun 13th 2023

NPSM and NPT are both pipe-thread terms, but they should not be treated as the same connection. NPT is a tapered pipe thread. NPSM is a
Connection Types

NPT Fittings Explained: National Pipe Taper Threads and Hydraulic Use

Jun 7th 2023

NPT fittings use National Pipe Taper threads, one of the most common pipe-thread connection styles on North American hydraulic and indu
Connection Types

NPT vs NPTF Threads: Interchangeability, Dryseal Design, and Leak Risk

May 30th 2023

NPT and NPTF threads may assemble in some situations because both are tapered pipe-thread forms. That does not mean they should be trea