FEATURES: - OPTIONAL HIGH LIFT BALL SPRING RELIEF reduces noise, heat and chatter. - OPTIONAL O’RING PORTS to eliminate leakage. - STEEL BALL will not jam, lock or seize and will always open. - CHROME ALLOY STEEL BALL is a grade No. 25 ball. - HARDENED ALLOY STEEL SEAT to reduce wear. - SHOT PEENED STRESS RELEIVED steel spring to increase life and consistent results. SPECIFICATIONS: - Pressure rating 3000 psi (207 bar). - Pressure setting 150-3000 psi (10-207 bar). - See creating a model code for flow capacity. - Weighs 2 1/4 lbs (1.0 kg). MATERIALS: - Zinc Plated Steel Body - Chrome Alloy Steel Ball - Hardened Alloy Steel Seat - Aluminum Alloy Body