Single compression glands comprise of gland body, gland body nut, neoprene rubber seal, rubber washer, check nut and flat washer. Let us look at the specific functions of some of these parts in some detail: Flat washer Besides offering a flawless bearing surface, importantly, it also distributes fastener load. Lock nut It ensures that a nut once installed does not become loose and stays in place. Rubber washer Essentially while helping avoid vibration, it also lowers noise levels significantly. Neoprene rubber seal The big advantage of this rubber seal is that it resists oxidation, ozone as also many petroleum derivatives.
