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Summary of Contents for Samson 42-10 RS
- Page 1 EB 3009 EN Translation of original instructions Type 42-10 RS Check Valve (backflow protection) Type 42-10 RS Check Valve (backflow protection) Self-operated Regulators Edition April 2019...
- Page 2 Î For the safe and proper use of these instructions, read them carefully and keep them for later reference. Î If you have any questions about these instructions, contact SAMSON‘s After-sales Service Department (aftersalesservice@samson.de). The mounting and operating instructions for the devices are included in the scope of delivery.
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Page 3: Table Of Contents
Contents General safety instructions ................4 Process medium and scope of application ............5 Transportation and storage ................5 Design and principle of operation ..............5 Installation ....................8 Mounting position ..................8 Compensation chamber for steam ..............8 Strainer ......................9 Shut-off valve ....................9 Pressure gauge ....................9 Operation .....................9 Start-up ......................9 5.1.1... -
Page 4: General Safety Instructions
General safety instructions 1 General safety instructions − The device must be mounted, started up or serviced by fully trained and qualified personnel only; the accepted industry codes and practices are to be observed. Make sure employees or third persons are not exposed to any danger. -
Page 5: Process Medium And Scope Of Application
Process medium and scope of application 2 Process medium and scope of 2.1 Transportation and storage application The device must be carefully handled, trans- ported and stored. Protect the regulator Designed to protect saturated steam, nitro- against adverse influences, such as dirt, gen and compressed air networks against moisture or frost, during storage and trans- backflow from directly connected systems. - Page 6 Design and principle of operation The medium flows through the valve in the increase. This causes the pin in the direction indicated by the arrow. The posi- diaphragm rupture indicator to be pushed tion of the valve plug (3) determines the dif- outwards and a red ring appears, indicating ferential pressure over the cross-sectional ar- the diaphragm rupture.
- Page 7 Design and principle of operation 13.1 11.1 16.1 10.1 16.2 11.2 17.1 Fig. 1: Functional diagram · DN 15 to 150/NPS ½ to 6 EB 3009 EN...
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Page 8: Installation
(see Fig. 4). connecting flanges. Do not attach sup- ports directly to the valve or actuator. NOTICE Î Install a strainer (e.g. SAMSON Possible malfunction and damage due to ad- Type 2 N/2 NI) upstream of the regula- verse weather conditions (temperature, hu- tor to prevent any sealing parts, weld midity). -
Page 9: Strainer
A strainer installed upstream in the flow pipe holds back any dirt or other foreign particles 5 Operation carried along by the medium. For example, the SAMSON Type 2 N/2 NI Strainer is suit- 5.1 Start-up able (u T 1010). Î Do not use the strainer to permanently filter the process medium. -
Page 10: Regulation Of Steam
Open the hand-operated If a diaphragm rupture is indicated and the shut-off valves slowly to prevent water operating diaphragm is defective, hammer. SAMSON's After-Sales Service department can assist you. 5.1.2 Regulation of liquids Î To start up the regulator, open shut-off WARNING valves slowly. - Page 11 Two diaphragms defective Replace operating diaphragms. (check the diaphragm rupture indicator). Seat and plug worn down by Replace damaged parts or deposits or foreign particles. contact SAMSON's After-sales Service department. Strainer blocked Clean strainer. Valve too small Recalculate C coefficient and contact SAMSON.
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Page 12: Tests
Addresses of SAMSON AG and its subsid- iaries maintenance work. The addresses of SAMSON AG, its subsid- iaries, representatives and service facilities worldwide can be found on the SAMSON website, in all SAMSON product catalogs or on the back of these Mounting and Operat- ing Instructions. -
Page 13: Nameplates
Nameplates 8 Nameplates Nameplates are attached to the valve and the actuator. Valve nameplate Valve Valve type DIN version Model number Configuration ID Order number or date coefficient Valve size Nominal pressure 10 Perm. differential pressure in bar 11 Perm. temperature in °C ANSI version 12 Body material ANSI version... -
Page 14: Dimensions
Dimensions 9 Dimensions ØD ØD Type 42-10 RS Type 42-10 RS NPS ½ to 6/DN 15 to 150 NPS 8 and 10/DN 200 and 250 Fig. 4: Dimensions Table 2: Dimensions and weights · DIN version Valve size DN Length L Height H1 Other Height materials Forged steel – – –... - Page 15 Dimensions Table 3: Dimensions and weights · ANSI version ½ ¾ 1½ 2½ Valve size inch 7.25 8.75 10.9 11.75 13.9 17.75 21.4 26.5 Class Length L inch 7.75 9.25 10.5 11.5 12.5 14.5 18.6 22.4 27.9 Class inch 19.7 23.6 31.5 32.7 39.4...
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Page 16: Technical Data
Technical data 10 Technical data Type 2421 RS Valve ½ ¾ – 1½ 2½ – Valve size 80 100 125 150 200 250 4.5 7.5 9.4 – 94 145 – 330 490 585 and K coefficient 80 125 125 280 420 500 Pressure rating Class 150 or 300/PN 25 or 40 Max. - Page 17 EB 3009 EN...
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- Page 20 EB 3009 EN SAMSON AKTIENGESELLSCHAFT Weismüllerstraße 3 · 60314 Frankfurt am Main, Germany Phone: +49 69 4009-0 · Fax: +49 69 4009-1507 samson@samson.de · www.samson.de...
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