The detection methods commonly used in our factory include: Visual inspection method: carry out visual inspection according to standardized data, and judge whether the surface smoothness, color consistency and other aspects meet the requirements with experience. Defect detection method: use micr... READ MORE
Conventional fire resistance time of metal manhole The fire-resistant time of galvanized sheet depends on its fire-resistant grade and specific test conditions. Generally speaking, the fire resistance time of Grade A materials is the longest, followed by Grade B1, and Grade B2 and B3 are shorter. T... READ MORE
The quality requirements of plastic-sprayed surface of manhole products mainly include the following aspects: Surface smoothness: the plastic spraying surface should not be too convex or concave, and there should be no obvious defects such as sand holes and bubbles to ensure the beautiful appearan... READ MORE
The fireproof grade and fireproof time of galvanized sheet mainly depend on its material and coating. The fire protection grade of galvanized sheet is usually divided into Grade A, B1, B2 and B3. Class A is incombustible, Class B1 is incombustible, Class B2 is combustible, and Class B3 is combus... READ MORE
Installation requirements include proper sizing, secure installation, and adherence to building codes and manufacturer guidelines to ensure safety, functionality, and compliance. When installing access doors and roof hatches in commercial buildings, contractors and builders must follow specific guid... READ MORE
Key factors to consider when selecting industrial access doors Application: Determine the specific purpose of the access door to ensure it meets the required functions.Safety standards: Focus on safety by following industry standards and regulations. Make sure the door follows relevant safety regula... READ MORE
Types of Industrial Access Doors 1. General access panels are typically made of steel, aluminum, or plastic and are essential for inspecting, maintaining, or accessing smaller components within industrial facilities. They are also essential for maintaining rooftop infrastructure such as solar panels... READ MORE
Access doors are essential in industrial operations to ensure effective maintenance, safety, and facility functionality. They play a vital role in protecting personnel and equipment during routine inspections and in emergency situations. Importance of Access Doors in Industrial Facilities In additio... READ MORE
How Security Access Doors Protect Sensitive Areas Controlling Access to Sensitive Areas Security access doors act as a solid barrier that restricts access to designated areas within a facility. This is especially important in locations such as server rooms, finance departments, or storage spaces con... READ MORE
Choosing a fire-rated access panel is essential for ensuring safety and compliance in various building applications. Here are several compelling reasons to opt for fire-rated access panels: 1. Enhanced Safety Fire Resistance: Fire-rated access panels are designed to withstand high temperatures and ... READ MORE
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