Samson 42-36 Mounting And Operating Instructions
Self-operated flow regulator
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- Mounting and operating instructions (80 pages) ,
- Mounting and operating instructions (98 pages)
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Summary of Contents for Samson 42-36
- Page 1 Self-operated Regulators Flow Regulator Type 42-36 Type 42-36 Mounting and Operating Instructions EB 3015 EN Edition December 2008...
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Page 2: Table Of Contents
Contents Contents Page Design and principle of operation ....4 Installation ....... 6 Mounting position . - Page 3 Safety instructions General safety instructions The regulators must be installed, started up and serviced by fully trained and qualified personnel only, observing the accepted industry codes and practices. Make sure employees or third persons are not exposed to any danger. The regulator complies with the requirements of the European Pressure Equipment Directive 97/23/EC.
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Page 4: Design And Principle Of Operation
Type 42-36 DoT ating diaphragm (12) and is used to move the valve plug according to the force of the differ- This version allows the additional control or ential pressure springs (14). - Page 5 Design and principle of operation Type 42-36 · Balanced by a bellows DN 15 to 250 Type 2423 Valve balanced by a bellows Type 2426 Actuator Valve body Plug 12 Operating diaphragm 1.1 Restriction (set point adjustment) Balancing bellows 14 Differential pressure spring(s) 1.2 Lock nut...
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Page 6: Installation
Design and principle of operation · Installation Type 42-36 · Balanced by a diaphragm · DN 125 to 250 Type 2423 Valve balanced by a diaphragm Type 2426 Actuator Valve body Seat 12 Operating diaphragm 1.1 Restriction Plug 14 Differential pressure... -
Page 7: Mounting Position
SAMSON needle pressure directly at the valve body is avail- valve in the control line routed on site at the able as an accessory from SAMSON. Refer to actuator connection. Data Sheet T 3095 EN. EB 3015 EN... -
Page 8: Strainer
Δp in bar in m in m Fig. 4 · Typical installation of Type 42-36, installed in the flow and return flow pipes Install the strainer upstream of the regulator. Note: Needle valves, equalizing tanks and Make sure the direction of medium flow cor-... -
Page 9: Pressure Gauge
Operation cleaning and maintenance, and when the Rinsing the plant · After filling the plant, first plant is not used for longer periods of time. completely open the consumers. Open the re- striction. Rinse out the pipeline at full flow rate Pressure gauge for several minutes. - Page 10 Operation · Set point adjustment In these diagrams, the flow rates are listed by Check the flow rate at the heat meter and how many turns of the set point adjustment correct, if necessary. are required depending on the differential When the required flow rate is reached, pressure at the restriction 0.2 bar or 0.5 bar.
- Page 11 Set point adjustment · Operation Turns of set point adjustment (restriction) – – – – Δp = 0.5 bar restriction ________ Δp = 0.2 bar restriction Turns of set point adjustment (restriction) Fig. 5 · Adjustment diagrams for Type 2423 balanced by a bellows, DN 15 to 80 EB 3015 EN...
- Page 12 Operation · Set point adjustment – – – – Δp = 0.5 bar restriction ________ Δp Turns of set point adjustment (restriction) = 0.2 bar restriction Turns of set point adjustment (restriction) Fig. 6 · Adjustment diagrams for Type 2423 balanced by a bellows, DN 100 to 250 EB 3015 EN...
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Page 13: Decommissioning
Set point adjustment · Operation Turns of set point adjustment (restriction) DN 200, DN 250 · A = 320 cm² DN 125, DN 150 · A = 320 cm² Δp Δp = 0.2 bar · Balanced by a diaphragm = 0.2 bar · Balanced by a diaphragm restriction restriction Fig. -
Page 14: Maintenance · Troubleshooting
Maintenance · Troubleshooting Replacing the diaphragm Maintenance · Troubleshooting If only the diaphragm is defective, the control line can be unscrewed and the actuator sepa- The flow regulators are maintenance free. rated from the valve after the relevant section Nevertheless, they are subject to natural of the plant has been drained without having wear, particularly at the seat, plug and oper- to remove the valve from the pipeline. - Page 15 Caution! Do not completely close needle valves. Contact SAMSON if the malfunction cannot be remedied using the above table EB 3015 EN...
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Page 16: Customer Service
Addresses of SAMSON subsidiaries, agencies and service centers are listed in the prod- uct catalogs and in the Internet at www.samson.de. To allow SAMSON to find the fault and to have an idea of the installation situation, specify the following details (refer to the nameplate): Type and nominal size of the valve Min. -
Page 17: Nameplates
Nameplates Nameplates Valve nameplates Valve Valve type Model number Model number index Order number or order date coefficient Nominal size Nominal pressure 10 Perm. differential pressure in bar DIN version 11 Perm. temperature in °C 12 Body material ANSI version Nominal size Perm. -
Page 18: Dimensions
Type 42-36 · Type 2423 Valve balanced by a bellows Ø D Type 42-36, DN 15 to 250 Type 42-36 · Valve balanced by a bellows · Dimensions in mm and weights in kg Nominal size 100 125 150 200 250... - Page 19 Height H3 Weight for PN 16 in kg Type 2423 Valve Type 2426 Actuator For valve in PN 25/PN 40: +10 % Fig. 10 · Dimensions and weights, Type 42-36 with Type 2423 Valve balanced by a diaphragm EB 3015 EN...
- Page 20 SAMSON AG · MESS- UND REGELTECHNIK Weismüllerstraße 3 · 60314 Frankfurt am Main · Germany Phone: + 49 69 4009-0 · Fax: +49 69 4009-1507 EB 3015 EN Internet: http://www.samson.de...
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