SELF-ACTING STRAIGHT FLOW VALVE

摘要

FIELD: valving. SUBSTANCE: lateral slots are provided at the downstream stiff portion of working plates from both sides of them. The slots define shanks provided with grips bent to the side of an arrester of lifting. The flat springs are provided with a base having bottom and top edges. The top edge abuts against the shanks of the working plates. The top edge abuts against the step on the arrester of lifting made on the arrester of lifting. EFFECT: enhanced reliability.