Becker HPP-SB Instruction Manual Download Page 21 | Manualshive

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Becker HPP-SB Instruction Manual Download Page 21

HPP-SB Positioner

HPP-SB

21

September 1999

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Summary of Contents for HPP-SB

Page 1: ...justment 7 Range Adjustment 8 Instruction Manual for the HPP SB High Pressure Single Acting Positioner Table of Contents Section Page Changing Positioner Action 9 Conversion to Split Range 10 Assembly...

Page 2: ...ccurate pressure control in con trol valve assemblies utilizing a controller or I P transducer and single acting actuator The HPP SB is designed for use with ball valves 16 in diameter or smaller when...

Page 3: ...ent Use clean dry filtered 100 micron gas Discharging to Atmosphere 150 psig maximum Discharging to Pressure System 400 Operative Temperature Limits 20 to 160 F 28 to 70 C Housing Meets NEMA 3 classif...

Page 4: ...re equal the control valve remains stationary HPP SB Positioner How It Works An increase in the input signal pressure re sults in the opening of the lower balanced valve due to an imbalance in the bea...

Page 5: ...ncrease in the input signal pressure re sults in the opening of the upper balanced valve due to an imbalance in the beam forces HPP SB Positioner How It Works This increases the cylinder pressure furt...

Page 6: ...tioner remove any tubing if necessary If ex haust port bleeds gas turn the adjustment drum decreasing numbers until the ex haust port stops bleeding gas If the ex haust port does not bleed gas turn th...

Page 7: ...his is accom plished by either raising the spring retainer or screwing the bias adjustment stud into the indicator bar or tail rod Note the two jam nuts tightened against one another to adjust the len...

Page 8: ...imit will show the same reading on the cyl inder gauges This point is the highest end of the range and the value may not neces sarily be equal to the desired upper range HPP SB Positioner Adjustment 3...

Page 9: ...e the range spring item 4 at both ends and those items connecting it to the rod item 23 and the positioner feedback arm HPP SB Positioner Reversing Action 3 Remove the positioner from the bracket item...

Page 10: ...htening the spring cartridge 3 For open on increasing positioner Remove the washer and jam nut from the adjusting screw in the bias spring car tridge Reattach the mounting bracket up side down from it...

Page 11: ...ody F 1a Insert spacer D 1b Insert balanced valve assembly C with the stem facing downward 1c Secure the assembly in bottom body F with seat cover B and two flat head machine screws A 2 Repeat the pro...

Page 12: ...ply approximately 100 PSIG air to the supply ports of the bottom and top bodies marked P1 P3 respectively Soap test around the valve seat found on the stem side of the valve the back end of the retain...

Page 13: ...N onto the stem of the top body s inside piston L DO NOT lubricate the 010 O ring 4a Attach posts H to outside pistons K with 8 32 x 1 2 SHCS I 4b Slide the post outside piston assemblies through the...

Page 14: ...f top body G and the outside piston of bottom body F 5d Install special flat nut Q onto the in side piston of bottom body F and spe cial spring nut P onto the outside pis ton of top body G 5e Torque a...

Page 15: ...top d Marking bodies F G with extensions from the lines on the diaphragms e Center the line on the diaphragm between the two lines on each body 8 Keeping the diaphragms securely in the center between...

Page 16: ...TE Slot in drum AA must line up with the beam spacer slot To adjust the position of the drum AA turn it in the same direction NOTE The Following 3 steps 12 13 14 must be done with the positioner in ve...

Page 17: ...gas of Model HPP SB Refer to Procedure 1 through 9 Pages 7 8 Adjustment Procedure 6 __________ Check sensitivity of HPP SB positioner Movement of output gauge should occur within 0 1 psig change of in...

Page 18: ...pacer 25 1015 16 20 x S S S 98 2761 17 O Ring 010 95 2609 18 Balance Valve Assembly 35 1510 19 Single Bottom Body 35 1537 20 Seat Cover 35 1526 21 20 Hex Nut S S 98 3056 Key Description Part No 22 Bea...

Page 19: ...HPP SB Positioner Instruction Manual HPP SB 19 September 1999...

Page 20: ...HPP SB 20 September 1999 HPP SB Positioner Appendix...

Page 21: ...HPP SB Positioner HPP SB 21 September 1999...

Page 22: ...HPP SB Positioner Ap HPP SB 22 September 1999...

Page 23: ...HPP SB 23 September 1999 HPP SB Positioner Appendix...

Page 24: ...HPP SB 24 September 1999 HPP SB Positioner Appendix...

Page 25: ...HPP SB 25 September 1999 HPP SB Positioner Appendix...

Page 26: ...HPP SB 26 September 1999 HPP SB Positioner Appendix...

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