NSF Lead Free Brass Solder Ball Valve for Drinking Water We produce all types of brass valves. Such as Brass Ball Valves, brass gate valve, brass stop valve, brass gas valve, brass angle valves, brass check valve, brass strainer etc. Solder type Material: Low lead brass, low lead bronze Meet ANSI/NSF61 standard. Size: 1/2''-2'' Ball valves: 600 WOG full port, reduced port. Testing pressure: 1. 25-40Bar 2. Suitable medium: Water, Gas. 3. Working temperature: -20 Celsius to 170 Celsius 4. Surface treatment: Brass colour or plated nickel, chrome. Delivery time: Within 25 days.