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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.

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Summary of Contents for 2902

Page 1: ...roved 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 ...

Page 2: ...ALS 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 STORAGE 7 3 4 TRANSPORT 8 4 ASSEMBLY AND INSTALLATION 8 4 1 ASSEMBLY GUIDELINES 8 4 2 ASSEMBLY INSTRUCTIONS 8 4 3 OPERATION 9 4 4 GENERAL 9 4 5 OCCUPATIONAL HEALTH AND SAFETY 9 5 WARRANTY TERMS AND ...

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 ratings PN 2 5 MPa 2 DESIGN 2 1 DESCRIPTION OF THE VALVE DESIGN Type 2902 and 2911 drive ready flanged gate valves with soft seals manufactured by F A JAFAR S A feature a smooth walled bore a non ring s...

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 EN GJS 500 7 Rubber EPDM NBR Polyamide EN 1563 EN 1563 ISO 1629 EN ISO 1874 1 6 Spindle nut Brass or EN GJS 400 15 EN 1982 EN 1563 7 Spindle Steel grade 1 4021 EN 10088 1 8 Valve cover gasket Rubber ...

Page 5: ...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 1050 1130 1340 180 65 500 350 700 37 730 609 660 1160 1240 1555 180 63 d3 d5 d6 4 20 385 332 175 140 31 19 3 AUMA type flange opening torque No of turns Saxx x Fx Nm C1 C2 H3 d4 x n d1 mm DN 2911 L ...

Page 6: ...s 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 ISO 4762 Hexagon socket head cap screws EN 10204 Metallic products Types of inspection documents ISO 1629 Rubbers and latices Nomenclature EN ISO 1873 1 Plastics Polypropylene PP moulding and extrusion...

Page 7: ...er 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 with electro deposited epoxy coat The coat has been approved for contact with foodstuffs The anti corrosion coating layer minimum thickness is 250µm The casting surface is pre treated for epoxy coatin...

Page 8: ...nsidering 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 of seal When installing the gate valve with its drive actuator follow the OHS requirements specified in the actuator operation and maintenance manuals 4 2 ASSEMBLY INSTRUCTIONS Before attempting to ...

Page 9: ...bility 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 Cast iron flanged wedge gate valves with soft seals Gate valves with soft seals with threaded connection ends Gate valves with soft seals and ferrule connection ends Cast iron flanged wedge gate valv...

Page 10: ...ly 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 covered by a commercial warranty from the manufacturer The conditions and period of the warranty is specified in the warranty sheet ...

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