These ball valves are intended for use in the fully open or closed positions. SAE BALL VALVE Parker's industrial brass ball valves are designed to provide years of service at an economical price. Parker's brass ball valves are available in a range of styles including: Female x Female Female x Male Panel Mount Female Straight Thread x Female Straight Thread Solder ends Female Straight Thread x Male Straight Thread 3 and 4 Way Diversion 90? Contact us for additional information. Manufactured for commercial and general industrial applications these valves offer increased performance over lightweight throwaway valves.