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 Note: While ordering spares, please do not miss to indicate 'Valve Serial No.' appearing on nameplate 

 

fixed on the Actuator Valve Serial No. also appears on the Valve Body dully punched.  The valve serial 

 

no. Begins with prefix V, eg V - 12345……… 

The contents of this publication are presented for informational purposes only, and while every effort has

been made to ensure their accuracy. They are not to be construed as warranties or guarantees, express or 

implied, regarding the products or services described herein or their use or applicability. We reserve the 

right to modify or improve the designs or specifications of such products at any time without notice.

Dembla does not assume responsibility for the selection, use or maintenance of any product. 

Responsibility for proper selection, use and maintenance of any Dembla product remains solely with the 

purchaser and end-user.

Dembla

Sales Office:

Works:

M/S. Dembla Valves Ltd.
C-30, Jai Matadi Compound, Kalher
Village,Thane-Bhiwandi-Agra Raod -
421302,
Maharashtra,India.
Tel - +91-9292234790 - 97
E-mail - expo@dembla.com

More info - www.dembla.com

M/S. Dembla Valves Ltd.
A/8, Arahm Logistic, Valshind Village,
Mumbai -Nashik Highway 
(NH3),Bhiwandi
Thane - 421302. Maharashtra (India)

 

Note : After the complete use of valve dispose the valve as per your local laws.

Summary of Contents for GTV - 01 Series

Page 1: ...Manaul 9Sep 2015 Instruction Manaul Wedge Gate Valve Wedge Gate Valve Series GTV 01 Series GTV 01 Aiming At Perfection More Info www dembla com Installation Operation Maintenance Installation Operation Maintenance ...

Page 2: ... Foreword 2 0 Storage Preservation 4 0 Health Safety 6 0 Lifting Details 7 0 Operation Inspection maintenance 8 0 Disassembly 9 0 Reassembly 10 0 Flow Direction 11 0 Do s and Dont s 12 0 Recommended Spares 13 0 Part Illustrated 7 1 Operation 7 2 Periodic Inspection and Maintenance 7 3 Lubrication 2 3 0 Valve Marking 4 5 0 Unpacking 1 ...

Page 3: ...amage If hoisting the Valve use a nylon sling to protect the surface Also take care to prevent people from being injuredincasethehoistorriggingslips unexpectedly ForValveWeightreferValvePackingSlip 3 0ValveMarking 1 ValvenameplateattachedonValveby rivetingcarryingallValveIdentificationInformation 2 Markings likeValveSize Rating Materialetc areascaston valveBodies 3 ValveSerialno punchedonValveBody...

Page 4: ...rthquakeloading traffic wind 12 No Modification Conversions areallowedwithoutwrittenauthorizationfromDemblaValvesLtd 5 0Unpacking ForCarton KeepCartoninposition Carton up side should notbe down CutplasticstripproperlywhichistiedaroundCarton removeit Whiteincolor Cutcellotapeproperlywhichisstuckon Cartonopening OpenCartonproperly Removefoamproperlyalongwithpolythenewrapping Liftthevalveproperly kee...

Page 5: ...6 0LiftingDetails Valveshould beliftedbyusing chain orbearercablesthatareloopedaround thevalvebody asshown infigure1 Takecarevalveshould notdamagewhilehanding 4 FIG 1 ...

Page 6: ...cking eyebolts 7 Removetheglandflangefromthestem Glandflangeassemblyforhandwheel 8 Removetheglandbush 9 loosenandremovenuts Body tobonnet 10 Liftbonnetalongwith stem wedge 11 Removethestemfrombonnetalongwiththewedge 12 Removethegasketfrombody Note 1 Always usenewgasketforassembly 2 Keepallpartscleananddryplace 3 Replacedamagepartsforassembly 4 Make sure wedge lapped surface should not be damage wh...

Page 7: ...ressure 3 Use twospanners totightenthejointinsequenceasshown 10 0FlowDirection Verify that the direction of the flow in the line corresponds to the arrow indicated on the valve body Howeverstandardvalvesarebidirectional 11 0DO s and DONT S Do s A PipeWork Parallel B Use thevalvewithin pressure temperaturelimits DON T S A PipeWork B Do not use the valve for the higher pressure temperature than maxi...

Page 8: ...ription 1 8 15 ValveBody 2 9 16 Bonnet 3 10 17 Seat Ring 4 11 Wedge 5 12 Stem 6 13 14 Back seat Bush 7 Gland Bush Gland Flange Handwheel Stem nut Handwheel locknut Gland Packing Eye Bolt Lock nut Gasket Body To Bonnet Nut Body To Bonnet Stud Body To Bonnet 7 FIG 2 ...

Page 9: ...reserve the right to modify or improve the designs or specifications of such products at any time without notice Dembla does not assume responsibility for the selection use or maintenance of any product Responsibility for proper selection use and maintenance of any Dembla product remains solely with the purchaser and end user Dembla Sales Office Works M S Dembla Valves Ltd C 30 Jai Matadi Compound K...

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