Model: D10SLSTSNECG REF NO. 58

Special Features:

F4 balls per piston. The piston assembly includes: spring, 3; retainer, 3; o-ring, 3; spring, 3; valve plunger, 3; valve cylinder, 3; o-ring, 3; washer, ball retainer, 3; ball, 4; piston, with foot and retainer, 3. Information comes from a parts manual, hydra-cell industrial pumps, model d-10 with metallic pump head, wanner engineering, inc., pages 4&5. Pump pressure variable to--metallic head: 1000 psi; max. Temperature--metallic head: 250 degrees f.

Properties:

A spherical shaped device that may be of solid or hollow construction. It is designed to seat in an opening thereby preventing the passage of fluid. It may be used with a spring enabling the ball to become unseated at a predetermined pressure as exerted by the fluid flow and to become reseated in the absence of fluid pressure. For valve balls that include ports see ball, valve, ported.