Choose your fitting
THREAD TYPES
Maîtrise des standards et précision de raccordements.
BSP Threads (British Standard Pipe)
BSPP Threads: Expertise in BSPP (parallel) connections with sealing via gasket.
BSPT Threads: Expertise in BSPT (tapered) connections with sealing through pre-applied coating within the threads.
NPT & NPTF Threads (National Pipe Threads)
NPT Threads: American tapered threads providing sealing through pre-applied coating (NPT).
NPTF Threads (fuel): For leak-tight sealing through thread deformation, without external sealant.
Metric Threads
Cylindrical ISO standard ensuring international compatibility.
Reliable sealing achieved by a sealing gasket or integrated bonded washer.
THREAD DIMENSIONS
Technical precision at the service of your installations.
Main thread standards
Our fittings are available according to several standards used in industry :
-
Metric threads (M)
European standard, widely used in mechanical assemblies. -
BSPP (G) – Parallel
Parallel thread, often used with a gasket to ensure sealing. -
BSPT (R) – Tapered
Tapered thread providing sealing through progressive tightening. -
NPT – Tapered (American standard)
Widely used in international installations, particularly in instrumentation.
How to identify a thread ?
To determine the correct size, several factors must be considered:
- Outside diameter (D1 / D2)
- Thread pitch (P)
- Type: parallel or tapered
- Standard: metric, BSP or NPT
Recommended tightening torques
Excessive tightening may damage the fitting, while insufficient tightening can cause leaks.
We recommend following standard tightening torques according to:
- thread type
- fitting size
- material used.
Need help choosing the right fitting?
Our technical team is available to guide you toward the most reliable solution, compatible with your pressure, fluid, and installation constraints.










