Diving Parachute Type Underwater Air Lifting Bags are designed with water drop shaped units used for supporting and lifting loads from any water depth.Diving parachute type lifting bags' single point attachment is ideal for lightening underwater structures such as pipeline, their main application is for lifting sunken objects and other loads from seabed to the surface.
Diving Parachute Type Underwater Air Lifting Bags are fabricated of heavy duty polyester cloth coated with PVC. It has safe working load of 6:1. Each open bottom air lifting bag is equipped with inverter lines, manual air dump relief/dump valve, which can be controlled easily to change the buoyancy by the bottom rope. And certificated heavy duty polyester webbing with end shackles, and air inlet stainless/ brass ball valves are equipped for the lifting operation. Each parachute type lifting bag is complete and ready for use when leaving our manufacturing facility.
WHY CHOOSE US
ACHIEVEMENT
WHO WE ARE
FAQ
1. Q: How long is the warranty period?
  A: The warranty period is 12 months or 18 months from the shipping date.
2. Q: Do you provide rent service, contract service?
  A: We have many water bags and air lift bags ready for rent service for clients all over the world.
    We have ability to design and can contract the load testing project, with our own water bags and  workers.
3. Q: What is the production standard and safety factor?
  A: All underwater air lift bags are manufactured in compliance with IMCA D016, safety factor is  5:1.
    All crane load test water bags are manufactured in compliance with LEEA051, safety factor is 6:1.
4. Q: Do you have stock?
  A: We have many normal size underwater air lift bags and load test water bags in stock. Ready for shipment.
5. Q: What kind of certificate do you provide?
  A: Our load test water bags are Type Certificated by TUV NEL. We can provice ABS, BV, LR third party certificate.
     Provide the certificate for masterlink, shackles, lifting belts and other accessories.
If you have any other questions, please feel free to contact us.
All DooFlex parachute type air lifting bags are fabricated of heavy duty polyester cloth coated with PVC. It has safe working load of 6:1. Each open bottom air lifting bag is equipped with inverter lines, manual air dump relief/dump valve, which can be controlled easily to change the buoyancy by the bottom rope. And certificated heavy duty polyester webbing with end shackles, and air inlet stainless/ brass ball valves are equipped for the lifting operation. Each parachute type lifting bag is complete and ready for use when leaving our manufacturing facility.
7 bars led grow lights is a special lamp to provide light for plants. It usually consists of seven light bulbs, each with a different color and wavelength to simulate the spectrum of natural sunlight. This light fixture is widely used in indoor planting and gardening.
The use of the 7 bars full spectrum led grow lights mainly depends on the following aspects:
1. Light time: plants need light for photosynthesis, and different plants have different needs for light. In general, most plants need 10-12 hours of light per day, so 7 bars plant lights are usually set to work 10-12 hours per day.
2. Light intensity: Plants also have different needs for light intensity. Some plants require more light, while others require less light. 7 bars waterproof led grow lightss usually have an adjustable light intensity function that can be adjusted according to the needs of different plants.
3. Distance and Angle: The distance and Angle between the plant and the 7 bars indoor grow light will also affect the lighting effect. In general, the distance between the plant and the lamp should be kept within an appropriate range to ensure that the plant can fully receive the light.
4. Types of plants: Different plants have different needs for light. Some plants need stronger light to promote growth and flowering, while others have lower light requirements. Therefore, when using the 7 bars indoor grow lights veg, it needs to be adjusted according to the type and needs of the plant.
7 Bars Led Grow Light,Led Grow Lights For Indoor Plants,Plant Lamp,Indoor Plant Lights
Shenzhen Pvison Technology Co., Ltd. , https://www.pvisunggrowlight.com