Operating manual
Non-return valve
FLOWmag (type 12020 / 12021)
BA 012020.01 EN
Страница 1: ...Operating manual Non return valve FLOWmag type 12020 12021 BA 012020 01 EN ...
Страница 2: ... 6 Safekeeping and Completeness The operating manual is part of the valve delivery package and must be available to authorised personnel at all times It is impermissible to delete chapters from this manual If the operating manual or pages thereof are missing they must be replaced immediately Updating Service This documentation is not subject to the updating service of Albert Handtmann Armaturenfab...
Страница 3: ... direction the specified pressure and temperature range and the flow media Applicable and generally recognised safety rules as well as the operating manual instructions must be followed during assembly and disassembly in operation and during maintenance Incorrect Application The following are examples of incorrect application Operating conditions other than those specified in the operating manual ...
Страница 4: ...lowing safety information must be considered as an addition to the relevant applicable national accident prevention requirements and laws Current standards of good engineering practice must be observed when planning the application and operation of the device Please pay attention to the relevant rules and safety regulations in other countries Basic safety instructions to prevent injuries and to en...
Страница 5: ...s a risk of crushing due to moving parts o Faults must be eliminated immediately o Unintentional commissioning must be prevented o Make sure that the piping system pressure has been relieved o Make sure that the piping system has been flushed and emptied o Make sure that the piping system has cooled to a value below 50 C o Never reach into the switching section of the valve 3 Delivery and Performa...
Страница 6: ... no backflow hygienically designed shutter and product area patented magnetic functional principle 4 2 Valve Operation The conventional pressure spring has been replaced with an external magnetic field If the flow of liquid is interrupted the shutter is pushed against the valve seat thus preventing backflow If the liquid pressure exceeds the force of the magnetic field the valve opens The liquid c...
Страница 7: ... 12020 Housing The non return valve consists of 4 main parts and has a weld end on both sides Different weld on connections are available The preferred installation position is vertical Valve design 1 2 3 4 Flange Housing Shutter Flange Dimensions 012020 DN a mm b mm c mm a mm 10 51 41 13 55 15 60 54 19 65 25 80 72 29 85 40 100 90 41 105 3 2 4 1 a b c a ...
Страница 8: ...design The non return valve consists of a two part housing and 2 flanges on the ends The housing with all functional parts can be removed from the end flanges for maintenance work Valve design 1 2 3 4 5 Housing part 1 Housing part 2 Flanges Shutter Magnetic half rings Dimensions 012021 DN a mm b mm c 50 112 94 53 65 122 117 70 80 144 134 85 100 156 155 104 c b a 1 2 3 4 5 3 ...
Страница 9: ...es OD 1 1 2 2 3 4 Production CIP Flow media Liquids and gases non toxic less aggressive CIP media Commercially available alkaline and acidic solutions Operating pressure 0 10 bar 4 6 Performance Data Product range Materials Stainless steel 1 4404 DUPLEX Seals EPDM FDA proof Other parts Materials Stainless steel 1 4307 Surface Precision turned Opening pressure 0 05 0 1 bar Temperature CIP SIP 0 95 ...
Страница 10: ...the following prior to installation and commissioning Check the valve for visible external and internal damage Check the valve housing inside for residues Check the current system status pressure temperature medium Please pay attention to the following if malfunctions occur and prior to disassembly The valve must be switched off in the case of malfunction Check the current system status pressure t...
Страница 11: ... them evenly into the groove Only use grease approved for the field of food processing Bolts slightly grease threads Tighten parts evenly Carry out a manual functional check activate the shutter Caution functional impairment or material damage Permanent magnet Do not remove the magnet unless it is absolutely necessary A safety clearance must be observed between the magnet and all electrical electr...
Страница 12: ...l ring magnetic half rings can be removed normally not necessary Seal ring Magnetic half rings Shutter part 1 Shutter part 2 Housing Remove screws take rear flange off of housing remove replace O ring seal O ring seal Flange Housing Screws O ring seal Remove shutter from housing and screw on remove replace O ring seal 1 Screws 2 Screws 3 Shutter part 1 4 Shutter part 2 5 Housing 6 Flange valve inl...
Страница 13: ... O ring seals accessible Remove shutter from housing and screw on O ring seal accessible C D Separate housing parts Remove sealing ring and magnetic half rings normally not necessary Shutter Sealing ring Housing part 1 Remove screws Housing can be disassembled O ring seals accessible Flange Flange Housing Flange Housing part 2 Screws Magnetic half rings Housing part 1 Housing part 2 Shutter part 2...
Страница 14: ...ses Measures Leak external O ring seals between flange and housing damaged Screws have come loose Process pressure too high Replace seals Test tightening torque Check pressure Leak backflow internal O ring seal between taper and shutter damaged Seal area damaged Shutter blocked Replace seals Check seating area and taper for mechanical damage Manual functional check remove shutter Noise generation ...
