AISI 316 Stainless Steel Ball Valves 3/4-BSP

Nickel Plated Brass Ball Valves 3/4-BSP
BSP – UK, Europe, Asia, Australia, New Zealand and South Africa (most countries worldwide)
NPT – United States, Canada
NPT is the abbreviation for National Pipe Thread Tapered, which is the U.S. standard for tapered threads used to join pipes and fittings. They were established as a standard by the American National Standard Pipe Thread, commonly referred to as the national pipe thread standards. NPT is one of the U.S. national technical standards for both tapered and straight thread series that are used for various purposes such as rigidity and pressure-tight sealing.
BSP is the abbreviation for British Standard Pipe. The thread, as defined by the ISO 228 standard, uses Whitworth standard threads, and is among a number of technical standards for screw threads that has been adopted internationally for interconnecting and sealing pipes and fittings. It has been adopted as standard in plumbing and pipe fitting nearly worldwide.