Zetkama zGLO User Manual Download Page 2 | Manualshive

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Stop valve Fig 215 A, C, E type 01

Stop valve Fig 216 A, C, E type 01

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Summary of Contents for zGLO

Page 1: ... Globe valves are manufactured at different executions they are used as stop valves throttling valves SDNR valves Stop valves are designed only for shut off and open the flow throttling valves are designed for flow control and SDNR valves are used as non return valves protecting the plant against back flow of medium and additionally they can shut off the flow SDNR valves visually differ from stop ...

Page 2: ...2 13 Stop valve Fig 215 A C E type 01 Stop valve Fig 216 A C E type 01 ...

Page 3: ...3 13 Stop valve Fig 215 A C E type 31 ...

Page 4: ...4 13 Stop valve Fig 216 A C E type 31 ...

Page 5: ...EN19 standard The marking facilitates technical identification and contains nominal diameter DN mm nominal pressure PN bar body and bonnet material marking arrow indicating medium flow direction manufacturer marking heat number CE marking for valves subjected 2014 68 UE directive CE marking starts from DN32 ...

Page 6: ...ves against rust during transport and storage Valves should be kept at unpolluted rooms and they should be also protected against influence of atmospheric conditions There should be applied drying agent or heating at damp rooms in order to prevent condensate formation The valves should be transported in such a way to avoid handwheel and valve stem damage It is not allowed to fit lifting devices to...

Page 7: ...cording to the table as below Acc to EN 1092 2 Temperature º C Material PN 10 do 120 150 200 250 300 350 EN GJL250 16 16 bar 14 4 bar 12 8 bar 11 2 bar 9 6 bar EN GJS400 18 LT 16 16 bar 15 5 bar 14 7 bar 13 9 bar 12 8 bar 11 2 bar EN GJS400 18 LT 25 25 bar 24 3 bar 23 bar 21 8 bar 20 bar 17 5 bar Acc to EN 1092 3 Temperature º C Material PN 10 do 120 150 200 220 CuSn5Zn5Pb5 C 6 6 bar 6 0 bar 5 0 b...

Page 8: ...must not cause additional stress resulted from excessive tightening and fastener materials must comply with working conditions of the plant during pipeline painting valve stem should be protected stop valves can be assembled in any position however it is recommended to install the valve with handwheel upwards screw down and non return valves version with spring can be assembled in any position scr...

Page 9: ...r SDNR valves Fig 215 Fig 216 PN40 similar nuts on eye bolts whereas for stop valves Fig 215 PN40 packing rings are pressed by tightening threaded gland nut screwed in the bonnet the nut press the rings by gland in the case of necessity to replace packing rings it should be done without overpressure inside the valve when the valve is completely open In this position inner space of the valve is ent...

Page 10: ...ial pressure bar DN15 100 DN125 DN150 DN200 DN250 DN300 6 6 6 6 6 6 6 16 16 16 16 14 9 6 25 25 25 21 14 9 6 40 40 33 21 14 9 6 In order to assure safety performance each valve especially rarely used should be surveyed on regular basis Inspection frequency should be laid down by user but not less than one time per month 7 SERVICE AND REPAIR All service and repair jobs should be carried out by autho...

Page 11: ...sket of the same type as previously used Body bonnet bolt connections should be tighten when the valve is at open position The bolts should be tighten evenly and crosswise by torque wrench Tighten torques Ścrew Torque M8 15 20 Nm M10 35 40 Nm M12 65 70 Nm M16 140 150 Nm before valves re assembly in the pipeline it is necessary to check valve operation and tightness of all connections Tightness tes...

Page 12: ... stuffing box Keep special caution Seat leakage Shut off not correct Tighten the handwheel without any auxiliary tools Seat or disc damage Replace the valve and contact supplier or manufacturer Apply the valve with balancing disc Check if the valve was assembled according to arrow direction marked on the valve Pressure difference too much Clean the valve Fit strainer before the valve Medium pollut...

Page 13: ... 24 months from the sales date warranty claim does not cover assembly of foreign parts and design changes done by user as well as natural wear immediately after detection the user should inform ZETKAMA about hidden defects of the product a claim should be prepared in written form Address for correspondence ZETKAMA Sp z o o ul 3 Maja 12 57 410 Ścinawka Średnia Phone 48 74 86 52 111 Fax 48 74 86 52 ...

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