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China Rubber Lifting Conveyor Belt - High-Quality Suppliers & Factory for Industrial Use
Product Introduction
Fabric Core Lifting Belt
Strength (N/mm): 100, 125, 160, 200, 250, 315, 400, 500, and above
Width (mm): 150, 200, 300, 400, 500, 600, 650, 700, 800, 1000, 1200, 1400, 1600
Steel Wire Rope Core Lifting Belt
Strength (N/mm): St630, St800, St1000, St1250, St1600, St2000, St2500
Width (mm): 200, 250, 300, 350, 400, 450, 550, 600, 680, 800, 850, 1000, 1050, 1200, 1300, 1400
📄 Marking Example 1 — Fabric Core
1000 B 9508 4.5T × 3.0 1000 NN5
Strength: 1000 N/mm | Produced: August 1995 | Upper cover: 4.5mm | Lower cover: 3mm | Belt width: 1000mm | Core: Nylon canvas, 5 layers
📄 Marking Example 2 — Steel Wire Rope Core
St1000 B 9508 5T × 5T 1200 φ3.5
Strength: 1000 N/mm | Produced: August 1995 | Upper & lower cover: 5mm each | Belt width: 1200mm | Wire rope diameter: 3.5mm
Complies with chemical industry standard HG/T 2577-1994 "Rubber Lifting Belt".
Standard Revision (2005): The standard was revised in 2005 and renamed as "Rubber or Plastic". Strength and width specifications are now aligned with general-purpose conveyor belts. The covering layer performance is classified into three types:
L-Type: General Environmental
T3-Type: Heat Resistant ≤150°C
T4-Type: Heat Resistant 175°C
The revised standard also specifies the punching and drilling requirements for lifting belts.
Product Details
Frequently Asked Questions (FAQ)
Q
What are the standard strength specifications for fabric core lifting belts?
The strength specifications (N/mm) for fabric core lifting belts include: 100, 125, 160, 200, 250, 315, 400, 500, and above. Width specifications (mm) range from 150 to 1600, covering sizes such as 150, 200, 300, 400, 500, 600, 650, 700, 800, 1000, 1200, 1400, and 1600.
Q
What strength grades are available for steel wire rope core lifting belts?
Steel wire rope core lifting belts are available in strength grades of St630, St800, St1000, St1250, St1600, St2000, and St2500. Width options (mm) include 200, 250, 300, 350, 400, 450, 550, 600, 680, 800, 850, 1000, 1050, 1200, 1300, and 1400.
Q
How do I read the marking code on a rubber lifting belt?
The marking code contains key information about the belt. For example, "1000 B 9508 4.5T × 3.0 1000 NN5" indicates a strength of 1000 N/mm, produced in August 1995, with a 4.5mm upper cover, 3mm lower cover, 1000mm belt width, and a 5-layer nylon canvas core. For steel wire rope core belts, the diameter of the rope (e.g., φ3.5) is also included.
Q
What types of rubber lifting belts are available based on core material?
Based on core material, rubber lifting belts can be divided into full cotton, polyester cotton interwoven, nylon, and EP (polyester-nylon) types. Each type offers different mechanical properties suited to various industrial applications.
Q
What are the covering layer performance types for rubber lifting belts?
According to the revised 2005 standard, covering layer performance is classified into three types: L-Type (general environmental conditions), T3-Type (heat resistance up to 150°C), and T4-Type (heat resistance up to 175°C). Additionally, covering adhesive grades are divided into D-Type (strong wear resistance), L-Type (moderate wear resistance), and T-Type (heat resistant).
Q
What industry standard applies to rubber lifting belts?
Rubber lifting belts comply with the chemical industry standard HG/T 2577-1994 "Rubber Lifting Belt." The standard was revised in 2005 and renamed to "Rubber or Plastic," with updated specifications aligned to general-purpose conveyor belt standards, including requirements for punching and drilling of lifting belts.