Many stainless steel investment parts, forging and bar stock are made for food   processing industry, such as pumping milk, cheese, cooking, oil, etc. 

      Most of them are stainless steel pump parts, grade 316, 304.

	Stainless steel investment Diaphram are 100%   leak free.
	Stainless steel external gear pump housing:   the bore is +/-0.0004 and two bore center          distance +/-0.0004.
	Stainless steel valve relief: internal passage     seating is tight for roundness and angle to fit     matching.
	Stainless steel valve housing with spool bore +/-0.0004 for roundness and bore size tolerance.