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Summary of Contents for GESTRA GK 11
- Page 1 Steam Traps GK 11 GK 21 with stage nozzle for large quantities of condensate Original Installation Instructions 813078-02...
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Page 2: Table Of Contents
Contents Foreword ............................3 Availability ............................. 3 Formatting features in the document ...................... 3 Safety ..............................3 Use for the intended purpose ......................... 3 Basic safety notes ..........................4 Qualification of personnel ........................4 Protective gear ............................5 Typographic features of warning notes ....................5 Formatting features for warnings of property damage ................ -
Page 3: Foreword
Certain text elements of this installation & operating efficiently for their intended purpose. manual feature a specific typographic design. You GK 11, DN65–DN150 can easily distinguish the following text elements: Standard text GK 21, DN50... -
Page 4: Basic Safety Notes
Basic safety notes Risk of minor injuries Sharp edges on internals present the danger of Risk of severe injuries cuts to hands. Always wear industrial gloves when servicing the equipment. The equipment is under pressure and can get hot during operation. -
Page 5: Protective Gear
Protective gear Formatting features for warnings of property damage The operator must ensure that anyone working on the equipment must wear the required protective clothing and safety gear stipulated for the site of Attention! installation. The protective clothing must be suitable for the used media and must protect the wearer This information warns of a situation against safety and health hazards associated with a... - Page 6 Component parts The diagram below shows a GK 11 DN80 steam trap. The other steam traps have the same basic construction. Designation Designation Direction of flow arrow Counter nut for fixing threaded spindle in place Rating plate Scale with pointer and "Operation" sign...
- Page 7 Vertical installation with direction of flow from top to Horizontal installation with direction of flow from bottom right to left (standard in GK 11) You can change the installation position of the equipment. The steam trap must always be installed in the pipe with the screw spindle horizontal.
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Page 8: Task And Function
End connections Once installed, static electricity may arise between the equipment and the connected system. During The equipment is available with the following end use in potentially explosive atmospheres, the connections: discharge or prevention of possible electrostatic Flanges charging is the responsibility of the manufacturer or owner of the system. -
Page 9: Storing And Transporting The Equipment
Transporting the equipment Storing and transporting the equipment CAUTION Attention! Do not drop the equipment. If it falls down it may cause bruises and injuries. Equipment can be damaged if stored or transported improperly. To transport and mount the equipment safely use suitable lifting gear. -
Page 10: Mounting And Connecting The Equipment
For a short period of time the equipment DANGER may be transported even if the temperature is below 0 °C, provided that Personnel working on pipes are exposed to the equipment is completely empty and safety risks and may suffer severe injuries, dry. -
Page 11: Orientation Of The Equipment
VAPOSCOPE insert. washer. To do this, proceed as described in the section In GK 11 steam traps, the lid of the sight glass Positioning the equipment " " on page 11. -
Page 12: Operation
Please refer to the following table for the correct Otherwise, the same procedure is used for the torque. different types of equipment. GK 21 GK 11 GK 11 GK 11 Slacken the hex nuts (17) in the sight glass lid. DN50... -
Page 13: Adapting Settings
Adapting settings CAUTION Severe injuries from burns are possible when changing the equipment settings. Do not touch any parts of the system. Wear suitable protective clothing for the operating temperature of the medium, and use suitable personal protective equipment if necessary. ... - Page 14 After draining, turn the handwheel as far as it You can find information on what to do in will go. the event of problems in section Troubleshooting " " on page 27. The stage plunger is now once more in normal operating position.
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Page 15: After Operation
After operation Attention! DANGER Frost damage may occur when the installation is shut down. If fluid escapes personnel may suffer Drain the equipment if ambient severe injuries, poisoning or even loss of temperatures below 0 °C (frost) are to life. -
Page 16: Removing External Dirt Deposits
The lubricant must have the same properties as OKS 217. The necessary torque for tightening the sealing plug varies depending on type. Please refer to the following table for the correct torque. GK 21 GK 11 GK 11 GK 11 DN50 DN65, DN100 DN150... -
Page 17: Maintaining The Equipment
Maintaining the equipment Remove any parts that are dirty and cannot be cleaned properly. The equipment does not require any particular maintenance. You should perform regular function tests to ensure the equipment functions correctly. The intervals between tests depend on the type of use and operating conditions. -
Page 18: Servicing The Equipment And Installing Spare Parts
Servicing the equipment and installing spare parts You may exchange the following component parts in case of wear or damage:... - Page 19 Designation GK 11 GK 21 DN65, DN80 DN100 DN150 DN50 Sight glass set, comprising: 369605 369606 360606 369604 2 × sight glasses 2 × mica discs 13.15 4 × sight glass seals Stage plunger set, comprising: 369608 369609 369610 369607 1 ×...
- Page 20 In GK 11 steam traps, the lid of the sight glass is fastened with six hexagon-head bolts. In GK 21 steam traps, the lid of the sight glass...
- Page 21 Please refer to the following table for the correct Burns or intoxication from escaping torque. medium may cause extremely severe or even fatal injuries. GK 21 GK 11 GK 11 GK 11 DN50 DN65, DN100 DN150 ...
- Page 22 The lid is secured to the body with hex nuts (27). The number of hex nuts varies depending on type: GK 11, DN65–80: 12 GK 11, DN100: 16 GK 11, DN150: 20 GK 21, DN50: 8 ...
- Page 23 The stage plunger is fastened to the spindle by one or two threaded pins. Clean all dirty parts. GK 11, DN150 steam traps have two The gaskets of the equipment must be replaced threaded pins. The other types have one in any case.
- Page 24 Remove the packing rings (25) from the lid. varies depending on type. Replace the packing rings with the same number of new ones. Please refer to the following table for the correct torque. GK 21 GK 11 GK 11 GK 11 DN50 DN65, DN100 DN150...
- Page 25 Please refer to the following table for the correct Replace all worn or damaged parts. torque. Clean all dirty parts. The gaskets of the equipment must be replaced GK 21 GK 11 GK 11 GK 11 in any case. DN50 DN65,...
- Page 26 Position the lid (6) on the body along with the spindle and stage plunger. Please refer to the following table for the correct Tighten the hex nuts (27) on the lid crosswise. torque. GK 21 GK 11 GK 11 GK 11 DN50 DN65, DN100...
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Page 27: Troubleshooting
Troubleshooting Problem Cause Remedy Fluid escapes (equipment is The body has been damaged by Replace the equipment with a new one. leaking). corrosion or erosion. Use equipment made of material that is suitable for the application. The discharge capacity is too The differential pressure is too Increase the steam pressure. - Page 28 Problem Cause Remedy Fluid escapes (equipment is The stuffing box packing has not Tighten the stuffing-box packing hand leaking). been tightened enough. tight. Make sure that the stuffing box packing does not impair the movement of the internals. Fluid escapes (equipment is The stuffing-box packing is Replace the stuffing-box packing.
- Page 29 You can recognise and remedy faults due to incorrect settings as follows: Normal condensate level Banking-up of Penetration of live steam Penetration of live steam condensate if medium throughput is due to leaks or other excessive major disruptions – Condensate covers the The condensate in the The sight glass is nearly entire sight glass.
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Page 30: Adjusting The Gland Seal
Adjusting the gland seal If the stuffing box is leaking, you must adjust it. To do so, proceed as follows. DANGER Personnel working on pipes are exposed to safety risks and may suffer severe injuries, poisoning or even loss of life. ... -
Page 31: Putting The Equipment Out Of Operation
Putting the equipment out of CAUTION operation Do not drop the equipment. If it falls down Removing harmful substances it may cause bruises and injuries. For the disposal of all residues observe the To transport and mount the equipment pertinent legal regulations concerning waste safely use suitable lifting gear. -
Page 32: Disposing Of The Equipment
Disposing of the equipment The equipment is made from the following materials: Component GK 21 GK 11 GK 11 GK 11 DN50 DN65, DN80 DN100 DN150 Body, lid 5.1301 (A126-B*) Bolts, nuts 1.7709 (A193 B7*/A194 size 4) Nozzle insert 1.0460 (A105) 1.0619 (A216-WCB*) -
Page 33: Technical Data
Technical data Dimensions and weights GK 21 GK 11 [mm] Length L [mm] Width B1 [mm] B2 [mm] Diameter of D1 [mm] handwheel Height H [mm] Service S [mm] dimension Weight [kg] From upper edge of spindle, equipment fully open... -
Page 34: Pressure & Temperature Ratings
GK 21 GK 11 [‘‘] 2 ½ Length L [in] 12.6 16.5 24.4 35.4 Width B1 [in] 10.8 19.1 26.4 B2 [in] 11.2 Diameter of D1 [in] 12.4 handwheel Height H [in] 12.8 19.5 Service S [in] 11.8 dimension Weight [lb] 55.1... -
Page 35: Manufacturer's Declaration
Assessment according to European rules refer to our Declaration of Conformity or our Declaration by Manufacturer. To download the current Declaration of Conformity or Declaration by Manufacturer go to www.gestra.com/documents or contact: GESTRA AG Münchener Straße 77 28215 Bremen Germany... - Page 36 Agencies all over the world: www.gestra.de GESTRA AG Münchener Straße 77 28215 Bremen Germany Telefon +49 421 3503-0 Telefax +49 421 3503-393 E-Mail info@de.gestra.com www.gestra.de 813078-02/07-2017 kx_mm (801123-02) © GESTRA AG Bremen Printed in Germany...
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