Corrugated Metal Hose Bending Performance Testing Machine

Tender Requirements:

I. Compliance with the following standards:

CJ/T197—2010 "Stainless Steel Corrugated Hose for Gas Appliance Connections" Section 7.11 Bending Test

GB/T26002—2010 "Stainless Steel Corrugated Hoses and Fittings for Gas Transmission" Section 6.1.4 Bending Test

HG2486-93 "Household Gas Hose" Section 4.5 Bending Performance Test

GB/T5565.1-2017 "Rubber and Plastics Hoses and Non-Reinforced Hoses—Measurement of Flexibility and Stiffness—Part 1: Bending Test at Room Temperature" Method A Bending Radius

GB 29993-2013 "Technical Conditions and Evaluation Methods for Rubber and Plastic Hoses and Hose Assemblies for Household Gas Use" Section 4.6 Bending Test

GB/T41317—2022 "Stainless Steel Corrugated Hose for Gas Appliance Connections" Section 6.5.8 Bending Test

II. Technical Parameters

1. Specimen Specifications: DN10-DN32

2. Specimen Types: Must meet 8 common connection sizes;

3. Specimen Length: (0～1100) mm

4. Bending Guide Plate Distance: (0-800) mm

5. Specimen Stations: At least 3 stations, including 2 for flexibility (suspension method) and 1 for room temperature bending method

6. Cylinder Diameter: 30mm, 40mm, 50mm, 60mm, 80mm, 100mm

7. Hanging Weight Mass: 1.0kg, 1.5kg

8. Specimen Gas Source Range: (0～0.4) MPa

9. Reducer Maximum Torque: 400N·m

10. Bending Motion Speed: (0～5) cycles/min

Compliance with the latest standard requirements:

44017-2024   7.4.5    Flexibility Test

41317-2024   7.3.8    Bending Test  

GB44017-2024      7.4.10 Bending Test