The easiest way, if you are replacing an existing item is to look at the body of the part to see if the size is stated.
To measure, you need the measure the widest thread on the male thread, see here for more information
2 Piece Full Bore Stainless Steel Ball Valve, Body and Ball made from CF8M stainless steel with the seats and seals manufactured from PTFE. Working Temperature -20°C to +200°C. 140 bar Rated. Anti blowout stem and Lockable Lever as standard. 3.1b Certification is available on request. Option of BSPP or NPT female threaded ends. Albion type 912P/912NPT Experience the high performance and durability of CF8M stainless steel. No matter the temperature, from -20°C to +200°C, our 2 Piece Full Bore Stainless Steel Ball Valve delivers superior results. With a 140 bar rating, you can trust in its strength and reliability. Plus, our anti-blowout stem and lockable lever come standard to ensure safety and security. And if you need 3.1b certification, just let us know. With the option of BSPP or NPT female threaded ends, the Albion type 912P/912NPT is versatile and adaptable to fit your needs.
The easiest way, if you are replacing an existing item is to look at the body of the part to see if the size is stated.
To measure, you need the measure the widest thread on the male thread, see here for more information