Xylem Bell & Gossett Hoffman Specialty 1140 Series Instruction Manual Download Page 11 | Manualshive

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Summary of Contents for Bell & Gossett Hoffman Specialty 1140 Series

Page 1: ...LARMS OR CUT OFFS SHOULD BE INSTALLED ON CRITICAL APPLICATIONS TO INDICATE REGULATOR FAILURE A LEAK COULD CAUSE THE ACTUATOR TO LOSE ITS CHARGE AND CAUSE THE SYSTEM TO OVERHEAT THIS PRODUCT CAN EXPOSE...

Page 2: ...ahead of all steam regulators See Figure No 2 When controlling flow of water used for cooling the valve can be installed on the supply end and may also be installed on the discharge end of the unit Th...

Page 3: ...r as possible When a thermometer is used it should be located PAST the bulb at least 6 ft 1 8 m in the pipeline or on the same level in the tank The bulb can be installed horizontally vertically or in...

Page 4: ...eme temperatures are incurred 2 Form a loop with a few turns of tubing and place next to the regulator This helps to absorb vibra tions in the pipeline SEPARABLE WELL INSTALLATION Separable wells prot...

Page 5: ...stuffing box nut as indicated If valve stem has more travel than indicated valve will not shut off CHANGING VALVE DISC MOVEMENT Under some conditions it may be necessary to adjust the amount of valve...

Page 6: ...s will assist in checking total valve movement on opening and also the thrust of the new thermostatic actuator 6 Cool the new thermostatic actuator bulb which is to be installed at least 20 F 6 C lowe...

Page 7: ...ve spacer and fasten bellows housing in place 9 If stem does not move unscrew upper stem from lower stem a turn at a time until this movement is obtained 10 Stem should move 1 32 0 8 mm Screw upper st...

Page 8: ...t is not at the desired point increase or decrease the temperature by turning the adjustment wheel in the proper direction for a higher or lower temperature The proper direction is indicated by an arr...

Page 9: ...e Capillary has kink Sharp bend will stop signal to pilot Solution Replace actuator or work out kink by hand c Cause Actuator range is incorrect The actuator will not operate beyond its range Solution...

Page 10: ...0 design load at all times h Cause Poor temperature response Solution On units with separable well use high temperature grease between the thermostatic bulb and well for better heat transfer i Cause T...

Page 11: ...11...

Page 12: ...Seller warrants the goods purchased hereunder with the exception of membranes seals gaskets elastomer materials coatings and other wear parts or consumables all of which are not warranted except as o...

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