Wras Approved Brass Ball Valve - PN64 BSI Gas Approved - HTB Screwed BSPT X BSPP Female (Butterfly Handle) - Pack of 4WRAS Approved BSI Gas Approved PN64 Rated HTB Certified BSPT x BSPP Female Butterfly Handle This WRAS Approved PN64 Brass Ball Valve is a heavy duty, dual certified solution designed for use in both potable water and gas systems. With BSI Gas Approval, HTB (High Temperature & Blowout Proof) certification, and a PN64 pressure rating, this valve is built to perform in demanding environments where safety, durability, and compliance are critical.