Jafar 2112 Operation And Maintenance Manual Download

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OPERATION AND MAINTENANCE MANUAL

12-2016

Operation and maintenance

manual for

FLANGED

GATE VALVES

WITH SOFT SEALS

P/N

2112

Approved for use by

President of Factory, JAFAR S.A.

Failure to comply with the guidelines and instructions in this Operation and

Maintenance Manual releases the manufacturer from all obligations, liability and guarantee.

Due to continuous business development, we reserve the right to introduce

modifications and structural changes to the presented product.

Summary of Contents for 2112

Page 1: ...e by President of Factory JAFAR S A Failure to comply with the guidelines and instructions in this Operation and Maintenance Manual releases the manufacturer from all obligations liability and guarant...

Page 2: ...3 2 2 MATERIALS 4 2 3 DIMENSIONS 5 2 4 REFERENCE STANDARDS 6 2 5 ORDERING INFORMATION 6 2 6 PRODUCTION AND ACCEPTANCE 7 2 7 MARKINGS 7 3 PROTECTION STORAGE TRANSPORT 7 3 1 PROTECTIVE COATINGS 7 3 2 PA...

Page 3: ...5 150 200 250 300 Mmax Nm 55 80 100 200 Valve control mode the standard version of gate valve has the clockwise closing sense of rotation The closing sense of rotation can be opposite on special order...

Page 4: ...he structural materials of the gate valves with soft seals Item Part designation Material Reference standard 1 Body EN GJS 400 15 cast iron EN 1563 2 Cover EN GJS 400 15 cast iron EN 1563 3 Wedge EN G...

Page 5: ...200 160 19 19 3 8 17 17 19 5 100 229 325 156 220 180 19 19 3 8 19 21 26 0 125 254 365 184 250 210 19 19 3 8 19 26 33 5 150 267 457 211 285 240 23 20 3 8 19 26 48 2 200 292 534 266 340 295 23 22 3 12...

Page 6: ...10088 1 Stainless steels List of stainless steels 74 H 84032 Spring steel Grades EN 1982 Copper and copper alloys Ingots and castings EN 12420 Copper and copper alloys Forgings ISO 965 1 General purp...

Page 7: ...type manufacturer trademark The location on the valve specified in the documentation features the nameplate which contains the following data manufacturer s company name and logo serial number sealin...

Page 8: ...ound pipelines both in horizontal or vertical orientation The listed products are suitable for joining with the flanged ends of pipelines with the size equal to that of the valve flanges Note that the...

Page 9: ...Leaving the gate valve partially opened or closed may result in seal failure To ensure full performance switch the gate valve periodically once a year from fully open to fully closed Exceeding the ope...