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Zetkama zGLO User Manual

Stop valve
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ZETKAMA Sp. z o.o.
ul. 3 Maja 12
PL 57-410 Ścinawka Średnia
Stop valve
CONTENTS
1.
Product description
2.
3.
4.
5.
6.
7.
8.
9.
1.
PRODUCT DESCRIPTION
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 valves having cylinder stem extension on the upper end of the stem.
SDNR valve
1/13
USERS MANUAL
zGLO
Fig. 215, 216
Stem extension
Edition: 07/2016
Date: 01.07.2016
Stop valve

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Summary of Contents for Zetkama zGLO

  • Page 1: Table Of Contents

    ZETKAMA Sp. z o.o. ul. 3 Maja 12 PL 57-410 Ścinawka Średnia USERS MANUAL Edition: 07/2016 Stop valve zGLO Fig. 215, 216 Date: 01.07.2016 CONTENTS Product description Requirement for maintenance staff Transport and storage Function Application Assembly Maintenance Service and repair Reasons of operating disturbances and remedy 10.
  • Page 2 Stop valve Fig 215 A, C, E type 01 Stop valve Fig 216 A, C, E type 01 2/13...
  • Page 3 Stop valve Fig 215 A, C, E type 31 3/13...
  • Page 4 Stop valve Fig 216 A, C, E type 31 4/13...
  • Page 5 Stop valve Fig 215 F, I Globe valves are provided with casted marking according to requirements of PN-EN19 standard. The marking facilitates technical identification and contains: • nominal diameter DN (mm), • nominal pressure PN (bar), • body and bonnet material marking, •...

  • Page 6: Requirement For Maintenance Staff

    REQUIREMENTS FOR MAINTENANCE STAFF The staff assigned to assembly, operating and maintenance tasks should be qualified to carry out such jobs. If the valve is provided with mechanical actuators, operating manual of actuator should be obeyed. If during valve operation heat parts of the valve, for example handwheel, body or bonnet parts could cause burn, user is obliged to protect them against touch.

  • Page 7: Application

    APPLICATION • industry • heating • refrigeration and air conditioning • hot and cold industrial water • industrial oils • steam • compressed air • neutral fluids - gases and liquids of group 1 and 2 according to Regulation EC No 1272/2008 resulting from the practice of using * not all of the applications are suitable for all of the executions When selecting the valve for specific medium, ”List of Chemical Resistance”...

  • Page 8: Assembly

    ASSEMBLY During the assembly of balancing valves following rules should be observed: to evaluate before an assembly if the valves were not damaged during the transport or storage, to make sure that applied valves are suitable for working conditions and medium used in the plant, to take off dust caps if the valves are provided with them, dust cap to protect the valves during welding jobs against splinters and used plastics against excessive temperature,...

  • Page 9: Maintenance

    avoid solid particles or welding splinters which may be harmful for sealing surfaces, strainer ( wire mesh filter) installed before the valve increases certainty of its correct action. MAINTENANCE During maintenance following rules should be observed: startup process – sudden changes of pressure and temperature should be avoided when starting the plant, valve is closed by turning the handwheel clockwise when looking from above the handwheel (according to arrow direction marked on the handwheel), shut off...

  • Page 10: Service And Repair

    Lift up the gland Fill the gland packing - valves in which there is an inflow over the disc are equipped with a balancing disc as shown below. Turning the handwheel to the left raises the balancing disc which results in equalization of upstream and downstream pressure. After pressure equalization the valve can be opened completely.
  • Page 11 Precautions should be taken when touching gasket between body and valve bonnet. The gasket contains stainless steel stripe that may cause injury, Gasket Everytime when valve bonnet was disassembled sealing surface should be cleaned. During assembly it should be applied new gasket of the same type as previously used.

  • Page 12: Reasons Of Operating Disturbances And Remedy

    Replace the valve with new one 10. VALVE SERVICE DISCOUNTINUITY All obsolete and dismantled valves must not be disposed with household waste. ZETKAMA valves are made of materials which can be re-used and should be delivered to designated recycling centers 11.
  • Page 13 ZETKAMA’s catalogue cards. Warranty period is 18 months starting from assembly date, however not longer than 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.

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