Proof Load Bags
DOOWIN offer water filled proof load bags used for the low headroom bridge crane load test when the testing operation has low headroom.
Low headroom water filled weights bags have a short height. So, it is a very flexible proof load test way where headroom is restricted. Each lifting point only can hang one low headroom water filled weight bags. Proof load testing weight bags are the simple load testing method instead of traditional solid crane test weights. Proof load water weight bags can be used for the proof load testing of the lifting equipment and structures, which is newly finished, or periodic check or maintenance. The water-filled load testing weight bags offer one kind innovative water weights load testing solution with the advantages of Safety, Economy, Convenience, High Efficiency.
Specifications and Advantages
Water weights proof load bag is one system including water filled bags body and all its accessories. Moreover, these low room cran test weights bags have a separated lifting set from the water weight bags body. As a result, the failure of any one webbing element will not result in failure of the lifting set nor cause a local overload of the crane load test water weight bags.
Masterlink & Shackles
Top quality masterlink & shackles Made in China, EN1677 or EN13889.
Polyester Webbing Lifting Straps
EN1492-2:2000 and EN1492-1:2000. Provide Certificate of Conformity.
Filling & Drain Water Hoses
High quality PVC and TPU high pressure hose with valves and camlocks.
Low Room
Design
Smaller height with bigger diameter specially designed for low room.
DOOWIN standard low room proof load bag are from 1ton to 15ton. Listed ones are our common size. We could also design and make other size and capacity upon your request.
Drop Test Type Certificate
DOOWIN low room proof load bags are designed, manufactured, tested and certificated in comply with LEEA 051 guidance.
Inspection
Low room water bags should be tested with 0.25~0.5 bar pressure then visual check of welded seams for integrity and no leakage.
Safety Factor
The safety factor of low room load test bags should be proven by drop test to at least 6 times the working load limit.
Lifting Set
Lifting set should separate from water bags boy. Comprised several elements should share the load to ensure safety.
Proof Load Bag Quality Certificates
Low room load test bags are manufactured with the highest quality PVC coating fabric material SGS certificated. Our water weight bags are manufactured and tested comply with the LEEA 051 Guidance. In addition, we can provide BV, ABS, LR third-party certificate upon request.
Type Certificate Drop Test
BV Third Party Certificate
SGS Material Certificate
