Sharpe 50 Series Installation, Operation And Maintenance Manual

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IM-50-2, Rev. B

July 29, 2011

Page 1 of 5

Installation, Operation, and Maintenance Manual

Series 50 / FS50 Flanged Ball Valves

Sizes 6" - 12" , Classes 150 & 300

DESCRIPTION:

Split body, two piece construction full port ball valve. Design allows maintenance without the

need for special tools. Ball support supplied for 10" and 12" Class 150 valves, and 6" through

12" Class 300 valves.

1. Before installing the valves, the pipes must be flushed clean of dirt, burrs and welding

residues, or you will damage the seats and ball surface.

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Page 1 IM-50-2, Rev. B July 29, 2011 Page 1 of 5 Installation, Operation, and Maintenance Manual Series 50 / FS50 Flanged Ball Valves Sizes 6” - 12” , Classes 150 & 300 DESCRIPTION: Split body, two piece construction full port ball valve. Design allows maintenance without the need for special tools.
Page 2 IM-50-2, Rev. B July 29, 2011 Page 2 of 5 2. These valves may be installed in any position using good pipe fitting practices. Flanges conform to ASME Standard B16.5, Class 150 or Class 300. 3. Periodically check and tighten body joint and flange bolting. (See TABLE 1 for torque requirements.) MANUAL OPERATION: 1.
Page 3 IM-50-2, Rev. B July 29, 2011 Page 3 of 5 5. Remove body seal. 6. For 10” and 12” valves only: Ball support must be backed off to remove ball. Loosen support nut, set nut and back out tuning screw on bottom of valve to release the ball support.
Page 4 IM-50-2, Rev. B July 29, 2011 Page 4 of 5 7. Turn the stem to the CLOSED position (bottom stem tan parallel to flow passage). Line up the ball slot with the stem tang and roll and lower the ball into position on the stem tang, letting the ball rest in the seat.
Page 5 IM-50-2, Rev. B July 29, 2011 Page 5 of 5 Table 2 – Body Bolting Torques Tightening SIZE THREAD Torque (lb-ft) 6”,8” (Class 150) / 3”~6”(Class 300) 5/8-11UNC 10”,12” (Class 150) / 8”(Class 300) 3/4-10UNC 10”(Class 300) 7/8-9UNC 12”(Class 300) 1-8UNC...

Fs50