Flowserve Butterfly Valve - Manual (Page 8)

8
5.0 ASSEMBLY INSTRUCTIONS
5.1 Valve Assembly Instructions:
(A) Carefully press Bushings (Part No. 060 or 061) into shaft bore of valve
Body (Part No. 001) until bushings are flush with shoulder inside bore.
(B) While holding the Thrust Spacers (Part No. 168) against the milled spot
faces on the O.D. of the disc, insert the Disc (Part No. 004) into the valve
body and alight the disc stem bore with the body bore. NOTE: Be sure
that the disc is oriented such that the dowel pin holes are located as
shown on drawing.
(C) Insert the Stem (Part No. 024) through the assembly. The stem key way
or milled head shall be oriented as shown on drawing.
(D) Align the disc and stem and press the Pins (Disc) (Part No. 274) in place
and stake or peen to secure them.
(E) Install the "O" Ring if applicable (Part No. 300) around Seat Ring (Part No.
013).
(F) With the valve in the closed position and laying flat on a safe working
surface, insert the "O" Ring and seat assembly into the retainer and then
place this assembly into the valve body as shown on drawing.
(G) Install seat retainer into valve body, carefully positioning seat ring and disc
so as not to pinch or damage them.
(H) Install and tighten Capscrews (Seat Retainer) (Part No. 215) making sure
that the retainer is bottomed in body. Retainer will be flush to .010 above
valve body.
(I) Install Packing washer - if applicable (Part No. 113) into shaft bore.
(J) Install Packing Rings (Part No. 110/112) one at a time in accordance with
drawing.
(K) Screw both Gland Studs into place (Part No. 205). Insert Gland Ring (Part
No. 107) into bore. Install Gland Retainer (Part No. 130) and secure finger
tight with Gland Stud Nuts (Part No. 234) (Tighten as required when
placed into service).
L) Repeat for opposite end of valve.