Becker HPP-5 Скачать руководство пользователя страница 17 | Manualshive

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HPP-5 Positioner

Parts List

HPP-5

17

September 1999

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Содержание HPP-5

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

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

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