Jafar 6534 Operation And Maintenance Manua

Flange-to-flange check flap valves

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Approved for use by
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 continuous business development, we reserve the right to introduce
modifications and structural changes to the presented product.
Operation and maintenance
manual for
FLANGE-TO-FLANGE
CHECK
FLAP
VALVES
P/N
6534
President of Factory, JAFAR S.A.
OPERATION AND MAINTENANCE MANUAL
01-2016

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Summary of Contents for Jafar 6534

  • Page 1 VALVES 6534 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 continuous business development, we reserve the right to introduce modifications and structural changes to the presented product.
  • Page 2: Table Of Contents

    CONTENTS 1 TECHNICAL DESCRIPTION ........................... 3 1.1 PRODUCT DESIGNATION AND IDENTIFICATION ................3 1.2 USE ................................3 1.3 TECHNICAL SPECIFICATION ........................3 2 DESIGN ................................3 2.1 DESCRIPTION OF THE VALVE DESIGN ....................3 2.2 MATERIALS ..............................4 2.3 DIMENSIONS .............................. 4 2.4 REFERENCE STANDARDS ........................
  • Page 3: Technical Description

    2.1 DESCRIPTION OF THE VALVE DESIGN F.A. JAFAR S.A manufactures the Type 6534 flange-to-flange check flap valves for industrial and water supply systems. The valve body is made of stainless steel or zinc-plated carbon steel and houses a wafer flap as the valve closure.
  • Page 4: Materials

    2.2 MATERIALS The table below lists the structural materials of the check flap valves. Item Part designation Material Reference standard Steel grade 1.0037 PN-EN 10025-2:2007 Body Steel grade 1.4310 PN-EN 10088-1:2014 Steel grade 1.0037 PN-EN 10025-2:2007 Cover Steel grade 1.4310 PN-EN 10088-1:2014 50S2JR/Zn PN-74/H-84032...
  • Page 5: Reference Standards

    2.4 REFERENCE STANDARDS PN-EN 1074-1: 2002 Valves for water supply. Fitness for purpose requirements and appropriate verification tests. General requirements PN-EN 1074-3: 2002 Valves for water supply. Fitness for purpose requirements and appropriate verification tests. Check valves. PN-89/H-02650 Valves and pipelines. Pressure and temperature ratings. PN-EN 1092-2: 1999 Flanges and their joints.
  • Page 6: Protection, Storage & Transport

    4 ASSEMBLY AND INSTALLATION 4.1 ASSEMBLY GUIDELINES The Type 6534 flange-to-flange check flap valves can be installed in underground or overground pipelines both in horizontal or vertical orientation. The valves are suitable for joining with the flanged ends of OPERATION AND MAINTENANCE MANUAL 05/2015...
  • Page 7: Assembly Instructions

    pipelines with the size equal to the installation length. Note that the system must not expose the valve to bending or tensile stress from loading with the unsupported pipeline sections. The valve assembled and delivered by the manufacturer is ready for installation. Disassembly of the valve components without proper care may result in loss of integrity.
  • Page 8 The product assembled, installed and operated in compliance with this Manual is covered by a commercial warranty from the manufacturer. The warranty terms, conditions and period are specified in the relevant Warranty Sheet. OPERATION AND MAINTENANCE MANUAL 05/2015...

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