Extra long thread engagement between the yoke nut & stem provides long thread life.
	Aluminum bronze Ni-resist yoke nut give wear resistant, corrosion resistant.
	The seating shall have a shoulder on its top to give efficient seating with body face.
	Seat ring shall be provided with lugs to remove of the seat ring during maintenance.
	The disk shall be loosely attached to the stem to allow the proper seating.
	The disk shall be threaded to receive the disk nut which retains the disk on the stem. The disk nut shall be securely locked to prevent any possibility of loosening in service.
	A disk thrust plate shall be provided between the end of the stem and the disk.

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