Jafar 2911 Operation And Maintenance Manual Download Page 1

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OPERATION AND MAINTENANCE MANUAL

12-2016

Operation and maintenance

manual for

PN25

DRIVE-READY

FLANGED

GATE VALVES

WITH SOFT SEALS

P/N

2911

2902

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 2911

Page 1: ...oved 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...

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

Page 3: ...nominal pressure values the connection flanges are manufactured to EN ISO 2285210 Valve drive coupling type B3 Installation length EN 558 1 series 14 Type 2911 series 15 Type 2902 Nominal pressure rat...

Page 4: ...400 15 or EN GJS 500 7 EN 1563 2 Cover Cast iron EN GJS 400 15 or EN GJS 500 7 EN 1563 3 Sealing plug Brass EN 1982 4 Safety ring Steel grade 1 1260 74 H 84032 5 Wedge skid Cast iron EN GJS 400 15 or...

Page 5: ...425 330 370 560 625 875 180 42 5 300 270 500 28 485 389 430 635 700 950 180 51 350 290 550 30 555 448 490 34 720 785 1033 180 60 400 310 600 32 620 503 550 980 1060 1268 180 58 450 330 35 670 548 600...

Page 6: ...Ingots and castings EN 12420 Copper and copper alloys Forgings ISO 965 1 General purpose ISO metric threads Tolerances Principles and basic data ISO 2903 Trapezoid ISO metric threads Tolerances EN IS...

Page 7: ...r sealing temperature rating construction mark B and or mark CE as applicable product type 3 PROTECTION STORAGE TRANSPORT 3 1 PROTECTIVE COATINGS All inner and outer cast iron surfaces are protected w...

Page 8: ...sidering pipeline compensation due to temperature and pressure The valve assembled and adjusted by the manufacturer is ready for installation Any dismantling of the valve components may result in loss...

Page 9: ...ility shall not apply 4 4 GENERAL This Manual applies to all Group 2000 products designed for equipping with actuators i e gate valves of various connection end types and manufactured by FA JAFAR S A...

Page 10: ...y at work with low or high temperature hazard Misuse of this product is prohibited 5 WARRANTY TERMS AND CONDITIONS The product assembled installed and operated in compliance with this Manual is covere...