Standard Parameter Conformity to Standard As per IS:4123 1982/95 with latest amendment BIS marked No If BIS marked Yes indicate BIS licence number otherwise put N/A NA Performance Parameter Purpose It is used to turn threaded pipe and pipe fittings for assembly (tightening) or disassembly (loosening) by holding pipe outer diameter in metallic chain Type of wrenches Chain Pipe Wrenches Capacity Range in mm 10 - 60,15 - 90,27 - 115,35 - 165,50 - 220,50 - 300 Minimum Hardness of Jaws 450 HV Handle grip test torque in N-m 300,550,900,1550,1800,2100 Breaking load of Chain in Newton 3500,3600,4000,4500,6000 Warranty in years 1 Number of sets of nut & bolt for assemble /disassemble chain provided 2 Handle should be made in single solid piece Yes Jaws should be forged to shape & teeth not slip over pipe surface Yes Chain pipe wrenches finishing It shall be free from manufacturing defect ,flaws cranks,rust,burrs etc. Chain shall be properly lubricated with greased or high viscosity oils Yes Marking on Chain pipe wrenches The chain pipe wrenches shall be marked with capacity,manufacturer name and or trade mark Dimensional & Material Parameter Nominal Size in mm 100 Total Length (with tolerance ± 10) in mm 920 Minimum Jaw Length in mm 170 Minimum Width of Jaw in mm 60 Minimum Diameter of Handle in mm 22 minimum Thickness of Jaws in mm 9.5 Minmum Length of Chain in mm 975 Minimum Pitch of Chain in mm 19.05 Material of Handle Carbon Steel Material of Jaws 35C4 Carbon Steel Material of Bolts 35C4 Carbon Steel Weight of Chain Pipe wrenches in kg 4.7 Reports ISO certification to manufacturer No ISO certification Number and Date and if no ISO certification available put NA NA Availability of test report from central Govt/ NABL/ILAC accredited lab covering all parameters No Test Report Number, If no test report available put NA NA Test report date NA Name of the test lab NA Address of test lab NA Copies of test Reports/certificates and other certifications to be furnished to buyer on demand at time of supplies No