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We design and manufacture growing systems for greenhouse facilities all over the world.

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Double pulley

Usage Tips

  • Correct Installation: Ensure the double pulley is accurately positioned and smoothly coordinated with other components.
  • Regular Maintenance: Check the wear, lubrication, and loosening of fasteners on the pulley, and keep it clean to extend its lifespan.
  • Load Capacity: Do not exceed the recommended load capacity to avoid damage to the pulley or potential accidents.
  • Balanced Loads: When using multiple pulleys, distribute the load evenly to maintain system stability and efficiency.
  • Safety Checks: Before each use, inspect the pulley for any visible damage or defects that could compromise its performance.

 

Definition

  • Fixed Pulley: A pulley that is fixed in one position and does not move, capable of changing the direction of force.
  • Movable Pulley: A pulley that moves with the load, allowing for a reduction in effort without changing the direction of force.

 

Advantages

  • Effort-saving: By increasing the number of rope segments, it reduces the force needed to lift heavy objects.
  • Direction Change: Fixed pulleys can change the direction of force, making operations more convenient.
Inquiry

Specifications

Parameter Details 
MaterialSRP Plastic-Coated Coil / Laminated Coil
Zinc CoatingHot-Dip Galvanized (GI), Galvalume (AZ), Zinc-Aluminum-Magnesium (ZM), Aluminum-Magnesium (AM)
Surface CoatingPolyester (PE), High Durability Polyester (HDP), Silicone Modified Polyester (SMP), Fluorocarbon (PVDF), SRP, and other special coating combinations
Thickness0.6mm, 0.7mm
Width400mm, 440mm, 485mm, 600mm, etc.
CertificationSGS
Connection MethodBolts and nuts (As shown in the figure below)

  • Synergistic Performance Upgrades: Delivers enhanced processing performance, exceptional resistance to acid, alkali, and oxidative corrosion, combined with advanced anti-condensation and self-cleaning (anti-fouling) properties.

  • Extreme Durability Tested: * Passed 3,000 hours of salt spray testing.

    • Withstands 24-hour immersion in 25% hydrochloric acid (HCl).

    • Withstands 24-hour immersion in 30% hydrogen peroxide (H2O2).

  • Superior Corrosion Protection: Offers an anti-corrosion lifespan that is over 3 times higher than traditional color-coated materials. It utilizes the sacrificial anode effect of the metallic coating to form a dense oxide film, effectively isolating the substrate from corrosive media.

  • Eco-Friendly & Safe: Fully compliant with EU RoHS environmental directives and passed EU REACH certification for food-contact safe surfaces.

Video

FAQ

First, you need a clear greenhouse design plan. From site selection to delivery, we primarily need to consider greenhouse selection, covering methods, heating and ventilation types, environmental control systems, and water and fertilizer systems.

If possible, it is best to provide a relatively accurate drawing or a hand-drawn sketch of the greenhouse structure. Additionally, you will need to include a fairly precise layout diagram of the planting system or a piping diagram of the irrigation system.

If you do not have drawings, please inform CHANSCEN of your greenhouse type, bay width and span dimensions, and also crop types. We will then provide customized greenhouse planting system design drawings based on your requirements. Once the design is confirmed, we will issue a formal quotation.

Generally, for standard planting systems with order quantities within one 40HQ container capacity, we require approximately 10-15 days for delivery.

For orders exceeding five 40HQ containers, our delivery time typically spans 25-30 days. Should you have specific requirements regarding the timing of goods receipt, please inform our colleague, who will coordinate production schedules to maximize alignment with your delivery expectations.

We operate a 6,000-square-meter production facility specializing in manufacturing various types of metal and plastic products. We produce all greenhouse-related peripheral products, with particular expertise in custom-made accessories. We look forward to receiving your inquiries or emails so we can better serve your needs.

Certificate

First, you need a clear greenhouse design plan. From site selection to delivery, we primarily need to consider greenhouse selection, covering methods, heating and ventilation types, environmental control systems, and water and fertilizer systems.

If possible, it is best to provide a relatively accurate drawing or a hand-drawn sketch of the greenhouse structure. Additionally, you will need to include a fairly precise layout diagram of the planting system or a piping diagram of the irrigation system.

If you do not have drawings, please inform CHANSCEN of your greenhouse type, bay width and span dimensions, and also crop types. We will then provide customized greenhouse planting system design drawings based on your requirements. Once the design is confirmed, we will issue a formal quotation.

Generally, for standard planting systems with order quantities within one 40HQ container capacity, we require approximately 10-15 days for delivery.

For orders exceeding five 40HQ containers, our delivery time typically spans 25-30 days. Should you have specific requirements regarding the timing of goods receipt, please inform our colleague, who will coordinate production schedules to maximize alignment with your delivery expectations.

We operate a 6,000-square-meter production facility specializing in manufacturing various types of metal and plastic products. We produce all greenhouse-related peripheral products, with particular expertise in custom-made accessories. We look forward to receiving your inquiries or emails so we can better serve your needs.

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