Insulating coupling/ insulated coupling
USD $5 - $500 /Set
Min.Order:1 Set
Shanghai Changhao High Pressure Pipe Fittings Co., Ltd.
Technical parameters:
Size:DN50 to DN2500
Pressure range: PN1.0 to PN42 Maps
Service life: same as the service life of pipeline
Applicable flows: oil, gas, water, chemical raw material, ore pulp
Quality requirement:
Insulating resistance is greater than10 MΩ at DC 1000V
Insulating intensity: no breakdown or puckering arc for one minute at 2500V 50Hz
Hydraulic test pressure: 1.5 times of designed pressure
Air-tight testing pressure: equivalent to designed pressure
Non-destructive testing: all the welding seams are 100% X ray-detected, All the butt-welding ends are 100% magnetic power detected
Bevel end: according to ASME B16.25
Materials characteristics:
Assemblies: forging piece
Extension nipples: equivalent to the material of pipeline
Insulating material: high-pressure, glass-filled, structural epoxy laminate
Filling material: high strength epoxy resin
Sealing material: rubber fluoride 26
Anti-corrosion insulating material coating: Two component solvent free epoxy coatings or anti-corrosion heat shrink sleeve
Test items:
Hydrostatic testing : 1.5 times of design pressure
Voltage testing : AC 3000V
Insulating resistance: DC 1000V
Visual inspection
Dimensional inspection
Hydraulic Test and Bending test
Hydraulic cycling (fatigue) testing
Dielectric strength test: Immersed in electrolyte solution
Coating adhesion test
flanged insulated joint coupling / flanged insulation joint coupling / flanged insulating joint coupling / flanged dielectric joint coupling
flanged insulated joint coupling / flanged insulation joint coupling / flanged insulating joint coupling / flanged dielectric joint coupling