Jafar 2901 Operation And Maintenance Manual Download Page 1

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OPERATION AND MAINTENANCE MANUAL

09-2015

Operation

and Maintenance Manual

FLANGE-TO-FLANGE

GATE VALVES

WITH SOFT SEALS

AND PNEUMATIC ACTUATORS

P/N

2901

2903

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 warranty.

Due to the continuous development of the company, we reserve the right to

modifications and design changes in the product presented herein.

Summary of Contents for 2901

Page 1: ...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 liabi...

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 MARKING 6 3 PROTECTION STORAGE TRANSPORT 7 3 1 PROTECTIVE COATINGS 7 3 2 PACKAGING 7 3 3...

Page 3: ...torque at opening start and closing end is as listed below DN mm 40 50 65 80 100 125 150 200 250 300 350 400 Mmax Nm 25 50 100 200 250 280 Valve control mode pneumatic actuator The valve connection f...

Page 4: ...Body Cast iron EN GJS 400 15 or EN GJS 500 7 PN EN 1563 2012 2 Cover Cast iron EN GJS 400 15 or EN GJS 500 7 PN EN 1563 2012 3 Link Cast iron EN GJS 400 15 or EN GJS 500 7 PN EN 1563 2012 4 Sealing p...

Page 5: ...19 19 3 8 18 2696 0100 AK 100 190 300 319 599 156 220 180 19 19 3 8 18 2680 0120 AK 125 200 325 358 658 184 250 210 19 19 3 8 18 2680 0140 AK 150 210 350 434 784 211 285 240 23 19 3 8 18 2681 0170 AK...

Page 6: ...per and copper alloys Ingots and castings PN EN 12420 2002 Copper and copper alloys Forgings PN ISO 965 1 2001 General purpose ISO metric threads Tolerances Principles and basic data PN ISO 2903 1996...

Page 7: ...erial number sealing temperature grade the Polish Building Mark B and or the CE mark as applicable product type 3 PROTECTION STORAGE TRANSPORT 3 1 PROTECTIVE COATINGS All inner and outer cast iron sur...

Page 8: ...or overground 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 Not...

Page 9: ...ion and adjustment of the actuator that the joints of the air supply system and electrocution protection features have been installed according to the manual from the actuator manufacturer The figure...

Page 10: ...D SAFETY The valves are eligible for the OHS guidelines and recommendation concerning installation of pipelines and devices for water supply stations heat power plants water treatment plants sewage tr...