Operation Instructions
Butterfly check valve series
TRI-CHECK
(with counter weight and optional hydraulic damper)
Page 1: ...Operation Instructions Butterfly check valve series TRI CHECK with counter weight and optional hydraulic damper...
Page 2: ...uctions 2 2 2 Safety Instructions for the Operator 2 2 3 Special Dangers 3 2 4 Marking of butterfly valve 4 3 TRANSPORT AND STORAGE 5 4 INSTALLATION 6 5 PRESSURE TEST AND START UP FEHLER TEXTMARKE NIC...
Page 3: ...itation has to be avoided by all means 2 Safety Instructions 2 1 General Safety Instructions The safety requirements apply for valve units same as for the pipe system into which the valve is installed...
Page 4: ...ing screw or the cover plate at the body or before removing the valve from the pipe the pipe system must be completely depressurized so no media can leak from the pipe uncontrolled Be sure that the va...
Page 5: ...aximum allowable temperature Date Year month ASME type plate For Marking Note Manufacturer Zwick GmbH Address see Section 9 Information Model no e g C10125C AA 11CP Key no see the ZWICK catalogue S No...
Page 6: ...s and the damper from damage at transport Valves must be stored in the same condition as they are delivered The counter weight and the damper if applicable must not be operated or removed The counter...
Page 7: ...a horizontal pipe The shaft of the valve usually is in a horizontal orientation The counter weight has to be positioned in a way that it closes the disc in a clockwise direction The mounting orientat...
Page 8: ...g these rules can lead to damages on the valve and or make the pipe system burst and cause danger to health and life of the user Mortal Danger Check valves with weight and damper Make sure before asse...
Page 9: ...the flange bolting be sure that the bolts centre the valve body correctly Attention Wafer type butterfly valves series TRI CHECK may need flange bolts and studs with different length for connection t...
Page 10: ...ved For valves remaining permanently in the same position it is recommended to operate it 1x to 2x each year to check their function Moreover it was recommended to provide free inlet and outlet distan...
Page 11: ...e is corroded at body or trim surfaces choose wear and spare parts of a more resistant material quality Leakage at the stuffing box Tighten the stuffing box bolting in steps of turns clockwise alterna...
Page 12: ...ssible limits of the environment that contains Charging of individual valve components from the function OPEN CLOSE hazards All outside parts of the valve are made of metal and are conductive connecte...
Page 13: ...y with this directive 6 fulfills the declared requirements of this directive 7 may be only operated under consideration of the supplied operating instruction no Zw Tri Check 2016 without actuator acce...
Page 14: ...400 II III III III III III III III 400 III III III III III 450 II III III III III III III III 450 III III III III III 500 II III III III III III III III 500 III III III III III 600 III III III III II...
