Samson 42-36 Mounting And Operating Instructions Download Page 12 | Manualshive

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12

EB 3015 EN

Operation · Set point adjustment

Fig. 6 · Adjustment diagrams for Type 2423

balanced by a bellows,

DN 100 to 250

Turns of set point adjustment (restriction)

Turns of set point adjustment (restriction)

Adjustment

diagrams

for

water

– – – –

Δ

p

restriction

= 0.5 bar

________

Δ

p

restriction

= 0.2 bar

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Summary of Contents for 42-36

Page 1: ...Self operated Regulators Flow Regulator Type 42 36 Mounting and Operating Instructions EB 3015 EN Edition December 2008 Type 42 36 ...

Page 2: ...djustment 9 3 3 Decommissioning 13 4 Maintenance Troubleshooting 14 4 1 Replacing the diaphragm 14 5 Customer service 16 6 Technical data 16 7 Nameplates 17 8 Dimensions 18 2 EB 3015 EN Contents CAUTION CAUTION indicates a hazardous situation which if not avoided may result in injury NOTICE NOTICE indicates a property damage message Note Supplementary explanations informa tion and tips Definitions...

Page 3: ...mperatures do not exceed the operating values based on the sizing data submitted in the order Note that the manufacturer does not assume any responsibility for damage caused by external forces or any other external factors 4 Any hazards which could be caused in the regulator by the process medium or operating pressure are to be prevented by means of appropriate measures 4 Proper shipping and appro...

Page 4: ...d by a diaphragm The principle of operation of the regulators with valves balanced by a bellows or dia phragm only differ concerning the pressure balancing The valves balanced by a dia phragm have a balancing diaphragm 5 1 instead of a bellows 5 The downstream pressure p2 acts on the inside and the up stream pressure p1 on the outside of the dia phragm or bellows As a result the forces act ing on ...

Page 5: ...a bellows DN 15 to 250 Type 2423 Valve balanced by a bellows Type 2426 Actuator 1 Valve body 1 1 Restriction set point adjustment 1 2 Lock nut 1 3 Cap 1 4 Orifice 2 Seat 3 Plug 5 Balancing bellows 6 Diaphragm stem 7 Plug stem 8 Venting DN 125 and higher 11 Coupling nut 12 Operating diaphragm 14 Differential pressure spring s 15 Screws 16 Diaphragm plate 17 Nut 18 High pressure control line ...

Page 6: ... nections However do not attach supports to the valve or actuator 6 EB 3015 EN Design and principle of operation Installation Fig 2 Sectional drawing of regulator with valve balanced by a diaphragm Type 42 36 Balanced by a diaphragm DN 125 to 250 1 Valve body 1 1 Restriction set point adjustment 1 2 Lock nut 1 3 Cap 1 4 Orifice 2 Seat 3 Plug 5 1 Balancing diaphragm 6 Diaphragm stem 7 Plug stem 11 ...

Page 7: ... supplied high pressure control line to the regulator as shown in Figs 1 and 2 Control line kit A control line kit for tapping pressure directly at the valve body is avail able as an accessory from SAMSON Refer to Data Sheet T 3095 EN Equalizing tank An equalizing tank is re quired for liquids above 150 C and for steam For the control line install the equaliz ing tank directly downstream of the pr...

Page 8: ...nwards or be located at the side for applications with steam Remem ber to leave enough space to remove it 2 4 Shut off valve We recommend installing a hand operated shut off valve Fig 4 both upstream of the strainer and at the outlet of the return flow pipe to be able to shut down the plant for 8 EB 3015 EN Installation Fig 4 Typical installation of Type 42 36 installed in the flow and return flow...

Page 9: ...fter filling the plant first completely open the consumers Open the re striction Rinse out the pipeline at full flow rate for several minutes Check the installed strainer e g by measuring the pressure drop afterwards Clean the strainer if neces sary NOTICE When testing the pressure of the plant when the regulator is already installed the pressure must not exceed the nominal pressure of the valve b...

Page 10: ... seal cap if necessary 10 EB 3015 EN Operation Set point adjustment Table 1 Flow rate set point ranges V for water Type 2423 Balanced by a bellows Nominal size DN 15 20 25 32 40 50 65 80 100 125 150 200 250 Differential pressure at the restriction Δprestriction 0 2 bar Flow rate set point ranges V for water in m3 h 0 05 to 2 0 15 to 3 0 25 to 3 5 0 4 to 7 0 6 to 11 0 9 to 16 2 to 28 3 5 to 35 6 5 ...

Page 11: ...on Fig 5 Adjustment diagrams for Type 2423 balanced by a bellows DN 15 to 80 Turns of set point adjustment restriction Turns of set point adjustment restriction Δprestriction 0 5 bar ________ Δprestriction 0 2 bar Adjustment diagrams for water ...

Page 12: ...t Fig 6 Adjustment diagrams for Type 2423 balanced by a bellows DN 100 to 250 Turns of set point adjustment restriction Turns of set point adjustment restriction Adjustment diagrams for water Δprestriction 0 5 bar ________ Δprestriction 0 2 bar ...

Page 13: ...t point adjustment Operation Fig 7 Adjustment diagrams for Type 2423 balanced by a diaphragm DN 125 to 250 DN 200 DN 250 A 320 cm Δprestriction 0 2 bar Balanced by a diaphragm DN 125 DN 150 A 320 cm Δprestriction 0 2 bar Balanced by a diaphragm Turns of set point adjustment restriction Adjustment diagrams for water ...

Page 14: ...alve from the pipeline Make sure that all the plant sections connected to the control line are also depressurized If this is not the case shut off the control line Details on malfunctions and the recom mended action can be found in the Ta ble 2 Troubleshooting Proceed as described in section 4 1 if the op erating diaphragm is defective 4 1 Replacing the diaphragm If only the diaphragm is defective...

Page 15: ...selected Check set point range and contact SAMSON for further action Safety equipment e g pressure limiter has been triggered Check plant and unlock safety equipment Insufficient pressure drop across the plant Compare existing differential pressure in the plant with the plant s drag Min differential pressure across the plant Δp Δprestriction V K VS Strainer blocked Drain and clean filter of the st...

Page 16: ...DN 15 to 250 Nominal pressure PN 16 25 or 40 acc to DIN EN 12516 1 Max perm temperature Valve body See pressure temperature diagram depending on material Actuator With equalizing tank Liquids up to 220 C Without equalizing tank Liquids up to 150 C Air and gases up to 80 C Set point diff pressure at restriction 0 2 bar 0 5 bar See section 8 for assignment of actuator and valve Type 2423 Valve Balan...

Page 17: ... 11 Perm temperature in C 12 Body material ANSI version 5 Nominal size 8 Perm differential pressure in psi 9 Perm temperature in F 10 Body material 11 CV coefficient KVS x 1 17 12 ANSI Class pressure rating Actuator 1 Model number 2 Model number index 3 Order number or order date 4 Effective diaphragm area 5 Labeling acc to DIN 6 Labeling acc to ANSI 7 Max perm pressure 8 Nominal size 9 Differenti...

Page 18: ... 600 730 Height H1 225 300 355 460 590 730 Height H2 Other materials 115 135 195 220 265 295 400 1 4571 113 130 155 161 Height H 390 465 520 625 765 895 Actuator D 225 mm A 160 cm 2 D 285 mm A 320 cm 3 Weight for PN 161 in kg 12 12 5 13 5 20 20 5 23 39 44 59 121 171 425 485 1 For valve in PN 25 PN 40 10 2 Optionally also with actuator 320 cm DN 65 to 100 We recommend actuator 320 cm for regulators...

Page 19: ...in mm and weights in kg Nominal size DN 125 DN 150 DN 200 DN 250 Length L 400 480 600 730 Height H1 450 475 545 Height H2 295 325 345 375 Height H3 680 710 825 Weight for PN 161 in kg Type 2423 Valve 65 85 250 270 Type 2426 Actuator 20 20 30 30 1 For valve in PN 25 PN 40 10 H2 H1 L Type 42 36 DN 125 to 250 Type 42 36 Type 2423 Valve balanced by a diaphragm ...

Page 20: ...SAMSON AG MESS UND REGELTECHNIK Weismüllerstraße 3 60314 Frankfurt am Main Germany Phone 49 69 4009 0 Fax 49 69 4009 1507 Internet http www samson de EB 3015 EN S Z 2009 01 ...

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