Canflex (USA) Inc. Menu
CONTAIN · RECOVER · STORE · TRANSPORT

Crane Test Water Bags

Precision Load Testing for Cranes & Lifting Equipment

Canflex Crane Test Water Bags are industry-leading, high-precision load testing solutions designed to ensure the safety, reliability, and compliance of cranes, davits, hoists, and other lifting equipment. Available in capacities from 1 to 100 metric tons, these bags offer a lightweight, compact, and cost-effective alternative to solid weights.

Key Features & Advantages
Certified & Safe – Constructed from 100% high-tenacity PVC-coated polyester fabric, designed for non-destructive load testing.
Lightweight & Portable – Easier to transport, store, and handle than traditional weights, reducing freight and labor costs.
Efficient & Scalable – Gradual water filling allows for controlled testing, preventing sudden stress or equipment failure.
Comprehensive Setup – Comes fully equipped with safety shackles, master link, fluid transfer fittings, and valves for seamless operation.
Versatile Applications – Used across marine, construction, industrial, and energy sectors for cranes, offshore rigs, ship davits, gangways, and more.
Emergency Fluid Storage – Doubles as a temporary water containment solution when needed.

Capacities range from 1 to 100 Tonnes ( 1,000 to 100,000 kg).

Spacecraft with cranes at night launch site.

Why Choose Canflex?
Canflex Crane Test Water Bags are built for maximum efficiency, accuracy, and safety, featuring high-quality materials and precision manufacturing. Proudly engineered and constructed in the USA, our water bags are designed for long-term reliability and superior performance. Canflex ensures exceptional durability and safety through premium materials and advanced construction methods—providing greater value over time.

 
 

Some of the Crane Test Water Bags features are:

  • Multiple clusters of up to 300t from a singe hook (3 x CT/CPS-100) can be used for larger test loads
  • Foldable for easy storage and transportation
  • Used worldwide for ship-deck cranes, offshore rigs and general purpose cranes
  • Water Bag 3D Model FEA (Finite Element Analysis) Force & Stress
  • All Canflex water bags with “Generic” ABS Weight & Volume Certifications
  • All Canflex Crane Test Water Bags maintain a minimum 7:1 Safety Factor of the operational water test bag’s Working Load
  • Test multiple crane sizes with one fluid weight
  • All products are Manufactured in accordance with ISO 9001:2015 Quality Management Standard. Canflex (USA) Inc holds certificate No FM 787453
 

Testing Applications include, but not limited to:

  • Cranes
  • Winches
  • Davits
  • Pad Eyes
  • Hoists
  • Ramps
  • Platforms
  • Gangways
  • Lifts
  • Bridges
  • Beams
  • Gantries
  • Elevators
  • Monorails
  • Floors
Canflex Crane Test Water Bags
Model Weight Volume Empty Height Filled Height Max Diameter §Dry Weight
Without Accessories
*CT/CPS-1LH 1,000 kg
2,204 lb
1,000 L / 1 m³
264 USG
2.52 m
8.27 ft
2.23 m
7.33 ft
1.39 m
4.56 ft
36 kg
80 lb
*CT/CPS-2LH 2,000 kg
4,409 lb
2,000 L / 2 m³
528 USG
2.87 m
9.41 ft
2.60 m
8.50 ft
1.65 m
5.43 ft
41 kg
90 lb
*CT/CPS-3LH 3,000 kg
6,613 lb
3,000 L / 3 m³
792 USG
3.38 m
11.11 ft
2.97 m
9.75 ft
1.82 m
6.00 ft
50 kg
110 lb
*CT/CPS-4LH 4,000 kg
8,818 lb
4,000 L / 4 m³
1,056 USG
3.41 m
11.22 ft
3.07 m
10.10 ft
1.88 m
6.16 ft
64 kg
141 lb
*CT/CPS-5LH 5,000 kg
11,023 lb
5,000 L / 5 m³
1,320 USG
4.14 m
13.60 ft
3.52 m
11.58 ft
2.13 m
7.00 ft
80 kg
176 lb
*CT/CPS-6LH 6,000 kg
13,227 lb
6,000 L / 6 m³
1,585 USG
4.39 m
14.41 ft
3.91 m
12.83 ft
2.28 m
7.48 ft
86 kg
189 lb
*CT/CPS-8LH 8,000 kg
17,636 lb
8,000 L / 8 m³
2,113 USG
4.54 m
14.91 ft
3.93 m
12.91 ft
2.52 m
8.27 ft
104 kg
230 lb
*CT/CPS-10LH 10,000 kg
22,046 lb
10,000 L / 10 m³
2,641 USG
5.18 m
17.00 ft
4.49 m
14.75 ft
2.70 m
8.90 ft
130 kg
286 lb
†CT/CPS-12.5LH 12,500 kg
27,558 lb
12,500 L / 12.5 m³
3,302 USG
5.43 m
17.91 ft
4.62 m
15.16 ft
2.86 m
9.39 ft
154 kg
340 lb
†CT/CPS-15 15,000 kg
33,069 lb
15,000 L / 15 m³
3,962 USG
6.24 m
20.50 ft
5.48 m
18.00 ft
2.95 m
9.70 ft
159 kg
350 lb
†CT/CPS-20 20,000 kg
44,100 lb
20,000 L / 20 m³
5,283 USG
6.78 m
22.25 ft
6.04 m
19.83 ft
3.42 m
11.25 ft
224 kg
492 lb
†CT/CPS-25 25,000 kg
55,115 lb
25,000 L / 25 m³
6,604 USG
7.51 m
24.66 ft
6.40 m
21.00 ft
3.75 m
12.33 ft
315 kg
695 lb
‡CT/CPS-35 35,000 kg
77,161 lb
35,000 L / 35 m³
9,246 USG
8.07 m
26.50 ft
7.11 m
23.33 ft
3.91 m
12.83 ft
417 kg
920 lb
‡CT/CPS-40 40,000 kg
88,184 lb
40,000 L / 40 m³
10,566 USG
8.71 m
28.58 ft
7.72 m
25.33 ft
4.07 m
13.36 ft
440 kg
970 lb
‡CT/CPS-50 50,000 kg
110,231 lb
50,000 L / 50 m³
13,208 USG
8.99 m
29.50 ft
7.77 m
25.50 ft
4.56 m
14.96 ft
544 kg
1,200 lb
‡CT/CPS-100 100,000 kg
220,462 lb
100,000 L / 100 m³
26,420 USG
11.27 m
37.00 ft
10.00 m
32.90 ft
5.65 m
18.56 ft
952 kg
2,100 lb

NOTES:

  • “LH” designates Low Headroom (short) Water Bag
  • * Water Bag is packed in a carry/storage satchel
  • † Water Bag is packed in an HDPE collapsible bulk crate
  • ‡ Water Bag is packed in a marine-grade shipping/storage plywood box
  • § Dry Weight does not include hoses or ball valves
Brochures / Flyers
Certifications
Canflex Crane Test Water Bag 40T Cluster 110,000kg
6 Tonne Canflex Crane Test Water Bag load test certification
80 Tonne Overhead Bridge Crane Test with Canflex Water Bags. Courtesy of RWB- Mexico
15 Tonne Canflex Crane Test Water Bag load test certification
Helipad Load Test with Canflex 10 Tonne Water Bag. Courtesy of Marine & Offshore Services
Canflex Crane Test/ SpaceX.1
20 Tonne Canflex Crane Test Water Bag load test certification
Canflex Crane Test / SpaceX.2
Canflex Crane Test / SpaceX.3
Canflex 100 Tonne Crane Test Water Bag load test certification
Shopping Cart
Scroll to Top