Mother's Day is a celebration honoring mothers and celebrating motherhood, maternal bonds and the influence of mothers in society. It is celebrated on various days in many parts of the world, yet most commonly in March, April, or May.
Coils, rings, and corrugated ribbon are the common forms of packing used in valves. The form of packing to be used in repacking a particular valve will depend on the valve size, application, and type. Packing materials will be discussed in more detail later in this chapter.
âStainless steel and alloy 400 Swagelok tube fitting ended valves are gageable. âMolybdenum disulfide with hydrocarbon binder coating.â4-way, 5-way, 6-way, and 7-way valves are furnished with stainless steel stem, rings, and discs. VCO Â® ended body is furnished with (2) fluorocarbon FKM O-rings.