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Instruction Manual 

for 

the HPP-5 

High Pressure 

Positioner

 

 

Table of Contents 

 

Section 

      

                                     Page

 

Introduction 

                                     

 

          

Description 

                             2 

 

          

Scope of Manual 

                    2 

 

           Technical Assistance 

             2 

     

 

           Applications 

                           3 

 

           Guidelines for usage 

              3 

 
Technical Information 

                     

 

          

Specifications

 

                        

 

          

Materials of Construction

 

       

 

           Accessories 

                           4 

 

Principals of Operation 

                  

 

           Close on increasing 

               5 

 

          

Open on increasing 

                6 

 
Adjustment Procedure

 

                    7 

     

 

          

Deadband Setting 

                  8 

 

           Bias Adjustment 

                    9 

 

          

Range Adjustment 

                10 

 
Section 

     

                                     Page

 

Changing Positioner Action 

         

12 

 

Conversion to Split Range 

           

13 

 

Assembly Procedures 

        

Separate Manual 

 
Inspection Procedures 

                 

15 

 
Parts Ordering 

                               

16 

 

          

Parts List 

                               16 

 

           Seal Kits 

                                16 

 

Appendix – 

Parts & Mounting detail 

 

           Open on increasing (parts) 

    18 

 

           Close on increasing (parts) 

    19 

   

Summary of Contents for HPP-5

Page 1: ...of Construction 4 Accessories 4 Principals of Operation 5 Close on increasing 5 Open on increasing 6 Adjustment Procedure 7 Deadband Setting 8 Bias Adjustment 9 Range Adjustment 10 Section Page Chang...

Page 2: ...that utilize a double acting pneumatic piston ac tuator The HPP 5 design positioner represents Becker s commitment to continuos development of new products and updating of existing products to maximiz...

Page 3: ...he HPP 5 is not preferred for this application It may be successfully used with small diameter 4 and smaller ball valves for this appli cation but its limited orifice capacity makes it too slow for co...

Page 4: ...N P T Action Direct and Reverse Acting Field reversible Performance Resolution 0 4 Hysteresis 6 Flow Capacity CV 1 5 Steady State Consumption Near Zero Power Gas Require ment Use clean dry filtered 10...

Page 5: ...trol valve is stationary An increase in the input signal pressure results in the opening of the lower balanced valve due to an imbal ance in the beam forces This decreases the pressure in the cylinder...

Page 6: ...An increase in the input signal pressure re sults in the the opening of the upper balance valve due to an imbalance in the beam forces This decreases the pressure in the cylinder bottom while the pres...

Page 7: ...ing speed of the system is proportional to the numerical value of the adjustable orifice Adjustable ori fice settings are typically equal for both orifices However a few applications may require unequ...

Page 8: ...exhaust fitting For Positioner s bleeding to a pres sure system Slowly decrease the setting of the deadband decreasing numbers until both cylinder gauges are equal and read 90 to 95 of power gas pres...

Page 9: ...ainst one an other to adjust the length of the stud When properly adjusted tighten the bias lock nut s 2 In order to decrease the bias set ting decrease tension on the range spring by either lowering...

Page 10: ...the HPP 5 starts valve movement until the end of the valve stroke and full pressure differential across the cylinder output gauges 1 After setting the bias for the start of the valve travel continue...

Page 11: ...til the desired range provides full or zero output pressure 4 If the desired range is not achieved after making the above adjust ments readjust the bias per the previous instructions to allow proper r...

Page 12: ...i tioner 2 Remove the range spring item 4 at both ends and those items connecting it to the rod item 23 and the posi 3 Remove the positioner from the bracket item 18 The tubing and fittings on each si...

Page 13: ...tered before tightening the spring cartridge 3 For open on increasing positioner Remove the washer and jam nut from the adjusting screw in the bias spring Stroke Close on Increasing Open on Increasin...

Page 14: ...ow immediate response the positioner may have too much dead band Reduce the deadband by turning the drum in the direction of decreasing numbers If the pres sures do not respond in the correct directio...

Page 15: ...send one cylinder output gauge to full power gas Refer to Procedure 7 note pages 9 Adjustment Procedure 6 __________ Check response of HPP 4 positioner Varying input signal 1 4 psig should produce cy...

Page 16: ...1 SHCS 98 3144 15 Beam Block 25 1086 16 Outside piston 25 1018 17 3 16 x 1 2 Roll Pin SS 98 3089 18 1 4 20 x 2 1 2 HHCS 98 3180 19 Gauge Manifold 35 1013 20 O Ring 012 95 2615 21 1 4 28 Jam Nut 98 32...

Page 17: ...HPP 5 Positioner Parts List HPP 5 17 September 1999...

Page 18: ...HPP 5 Positioner Appendix HPP 5 18 September 1999...

Page 19: ...HPP 5 19 September 1999 HPP 5 Positioner Appendix...

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