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Quality control
California office buildings 8 & 9, Sacramento
256 viscous fluid dampers ASR 1500-108 AH
Configuration: Double acting, double rod, internal reservoir
Rated Load @ velocity: 275 Kips @ 0.391ft/sec
Characteristic equation: F = [362 • V0.32] Kips, (±15% tolerance)
Total stroke: 4.25 inches
Quality Process:
Inspection test plan, safety review and process, full traceability, material
certificates, commissioning, record manufacturing data book.
ISO 9001: 2008 certified
Tests:
Static pressure test, dynamic test, fatigue cycle test, NDE testings, cushioning
simulation test bench, side load dynamic test, load pressure test, traction test as per DNV
lifting appliance rules, liquid penetrant, custom testing following customer specifications.
Electronic chart recorder.
All our welders are certified.
Dynamic test: 1300 kN
Total Quality
Management
Test example - Force/Velocity
Damping Forces vsVelocity
275 kips Nonliner Damper w/velocity exp.=0.32, C=362 kips(ft/s)^0.32
Damping Force [kips]
Velocity [ft/sec]
Nominal
(+15%)
(-15%)
1...,2,3,4,5,6,7,8,9,10,11 13,14,15,16,17,18,19,20,21,22,...46