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OPERATING MANUAL 

11-2020 

1/8 

 
 

 
 
 

OPERATING MANUAL  

 

 

 

Flanged gate valves 

with soft seals 

 

P/N 2312, 2314,  

 

 

 

 

 
 

Summary of Contents for 2312

Page 1: ...OPERATING MANUAL 11 2020 1 8 OPERATING MANUAL Flanged gate valves with soft seals P N 2312 2314 ...

Page 2: ...G MANUAL 11 2020 2 8 TABLE OF CONTENTS 1 INTENDED USE 3 2 TECHNICAL DESCRIPTION 3 3 PRODUCT IDENTIFICATION MARKING 4 4 STORAGE TRANSPORT 6 5 INSTALLATION 6 6 OPERATION AND MAINTENANCE 6 7 SAFETY 8 8 WARRANTY 8 ...

Page 3: ...n of the gate valve has the clockwise closing sense of rotation The closing sense of rotation can be opposite on special order Installation length in accordance with plant documentation Nominal pressure ratings 1 0MPa 1 6MPa The flanged gate valves with soft seals intended for gas flow isolation in NG pieline systems and other fluid systems feature a smooth walled bore a non ring spindle and an o ...

Page 4: ...king of metallic valves EN 1074 1 Valves for water supply Fitness for purpose requirements and appropriate verification tests Part 1 General requirements The gate valve bodies feature markings on the front and back walls of the body chamber The marking contains the following data manufacturer s trademark heat no nominal diameter nominal pressure body material type ...

Page 5: ...the piping PN 5 CE marking Maximum permitted pressure PS 6 Maximum minimum permissible temperature TS 7 Barcode 8 Production serial no in the calendar year 9 Seal material 10 Year of manufacture of the product 11 Diameter bore and nominal size DN 12 Reference standard the product is compliant with 13 Product name The gate valves with GSK RAL certified corrosion protection feature the corresponding...

Page 6: ...nd thoroughly flush with water if necessary Install the gate valve on a base or a support adequate to the size and weight of the valve to prevent strain of the piping with the valve Use suitable piping flanges gaskets and bolts for the valve flange ends The valve and piping flange holes must be aligned Tighten the connection flange bolts crosswise to ensure a proper seal pressure The gate valve lo...

Page 7: ...her movement this will seal the spindle under the flange 6 This operation allows you to replace the o rings in the plug 3 or the whole plug assembly on the pipeline in operation 8 Clean the gate valve cover from dirt sediments and grime Disassemble the following in the succession shown below the wiper gasket 1 the circlip 2 Release and remove the sealing plug 3 with the service wrench tool availab...

Page 8: ...rating Manual Follow the general health and safety rules Keep this Operating Manual throughout the service life of the product to ensure a safe operation of the latter 8 WARRANTY The product assembled installed and operated in compliance with this Operating Manual and the Product Specification Sheet is covered by a commercial warranty from the manufacturer The warranty terms conditions and period ...

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