Click to expand Tap to zoom Suttner Heavy Duty Ball Unloader Valves by Precision Soap Sale $79.00 3/8" FPT - $79.00 1/2" FPT - $104.00 Product 3/8" FPT 1/2" FPT 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Nickel-plated brass 3,050 PSI Maximum 176ºF. Maximum Metal Handle Teflon® seals