Ningxia Institute of Metrology Quality Inspection and Testing won the bid for the gas hose airtightness test bench

Corrugated metal hose bending performance testing machine

Bidding requirements:

1、 Meet the following standard requirements:

CJ/T197—2010Stainless steel corrugated hoses for gas appliance connections 7.11 Bending test

GB/T26002—2010Stainless steel corrugated hoses and fittings for gas transmission6.1.4Bending test

HG2486-93In "Household Gas Hose" 4.5 Bending performance test

GB/T5565.1-2017Rubber and plastic hoses and non reinforced hoses - Measurement of flexibility and stiffness - Part 1 Part: Method in Room Temperature Bending TestAbend radius

GB 29993-2013Technical conditions and evaluation methods for rubber and plastic hoses and hose assemblies for household gas use 4.6 Bend Test

GB/T41317—2022Stainless steel corrugated hoses for gas appliance connections6.5.8Bending test

2、 Technical parameters

1.Specimen specifications:DN10-DN32

2.Type of specimen: Must meet the requirements 12 Conventional connection size;

3.Test piece length:（0～1100）mm

4.Bending guide plate distance:（0-800）mm

5.Test piece workstation: should have at least 3 Workstation, with flexibility (suspension method)2 Workstation, room temperature bending method 1 workstation

6.Cylinder diameter:30mmThe40mmThe50mmThe60mmThe80mmThe100mm

7.Hanging weight quality:1.0kgThe1.5kg

8.Test piece gas source range:（0～0.4）MPa

9.Maximum torque of gearbox: 400N·m

10.Bending speed:（0～5）Next time/min

11.Promise to provide a metrological traceability certificate issued by a legal metrological verification institution or CNAS authorized institution when supplying.

Meets the latest standard requirements:

44017-2024 7.4.5Flexibility test

41317-2024 7.3.8Bending test

GB44017-2024 7.4.10Bending test