Nibco Check Valve Automatic Stop F869B User Manual

INSTALLATION, OPERATION & MAINTENANCE INSTRUCTIONS CAUTION: Only qualified personnel should undertake the procedures outlined in this documen

NIBCO Technical Services • Phone: 1.888.446.4224 • Fax: 1.888.336.4224 10 Generally, there are two valves between the boiler and the header. One valve

NIBCO Technical Services • Phone: 1.888.446.4224 • Fax: 1.888.336.4224 11 Finally, we come to the questions – How is this done? How does the dashpot w

NIBCO Technical Services • Phone: 1.888.446.4224 • Fax: 1.888.336.4224 12 dashpot arrangement. It should be pointed out that the stop-check valve must

NIBCO Technical Services • Phone: 1.888.446.4224 • Fax: 1.888.336.4224 13 Sizing the NIBCO F-869-B Automatic Stop-Check Valve It has been said that t

NIBCO Technical Services • Phone: 1.888.446.4224 • Fax: 1.888.336.4224 14 Theoretical Stop and Check Angle Valve Saturated Stem Flow Rates (Figure Num

NIBCO Technical Services • Phone: 1.888.446.4224 • Fax: 1.888.336.4224 2

NIBCO Technical Services • Phone: 1.888.446.4224 • Fax: 1.888.336.4224 3

NIBCO Technical Services • Phone: 1.888.446.4224 • Fax: 1.888.336.4224 4 Guidelines for Disassembly and Cleaning NIBCO® F-869-B Automatic Steam Stop C

NIBCO Technical Services • Phone: 1.888.446.4224 • Fax: 1.888.336.4224 5 The full operation of this adjustment is only of a turn, 90°, from full open

NIBCO Technical Services • Phone: 1.888.446.4224 • Fax: 1.888.336.4224 6 14. Before reassembly make sure all the components are thoroughly clean, part

NIBCO Technical Services • Phone: 1.888.446.4224 • Fax: 1.888.336.4224 7 APPENDIX I Body to Bonnet Bolt Installation Procedure for NIBCO® Cast Iron,

NIBCO Technical Services • Phone: 1.888.446.4224 • Fax: 1.888.336.4224 8 IRON VALVE BOLT TORQUE Before tightening, make sure all surfaces that the fa

NIBCO Technical Services • Phone: 1.888.446.4224 • Fax: 1.888.336.4224 9 VALVE SALES INFORMATION Technical Bulletin July 1, 1980 September 26, 1969 R