2)ISO:9001:2008 certificate.
insulating joint
Specification of insulating joint
Performance Parameter of Insulating Joint |
1.Insulating Property: 2500V test insulating resistant≥200MΩ 2.Hydrostatic test: 1.5 times pressure 3.Air-tight test: equal pressure 4. Non-destructive test: 100% radiographic inspection for all joint according to JB 4730-94; Other weld seam by 100% magnaflux inspection 5.Beval: accordng to API 5L |
Technical Features of Insulating Joint |
1.Specification :DN15~DN3200 2.Pressure Class: PN1.0~PN42MPa 3.Life Span: same as line pipes 4.Suitable Medium: oil, gas, water 5.Working Tempreture:-19°C ~ +70°C |
Welded Line pipe Material |
1.API 5L X Series pipe 2.GB/T8163 10#, 20# steel pipe 3.GB/T3091 Q235B steel pipe 4.GB/T9711.1 L Series pipe |
Insulating Material & Features |
1.Insulating material: hight density epoxy resin and glass fibre shape composite material ASTM D709 G11 2.Bending strength: lengthway≥390MPa,cross≥290MPa 3.Tensile strength: lengthway≥340MPa,coss≥240MPa 4.Compression strength:≥340MPa,hydroscopicity≤30mg 5.Electric resistance in water≥5×108Ω,resistance to sparking≥35KV 6.Combination steel:16Mn JB4726,ASTM A694 F52,F60 7.Short pipe: 20#,16Mn,GB/T8163-99 8.X70,X65,X60,X56,X52,X46,API SPEC.5L 9.Insulating material:O-ring or U-shape sealing ,fluorine rubber, nitrile butadiene rubber 10.Filling Material: cold curling resin 11.Insulating coating: imported liquid epoxy resin 12.Anti-corrosive material: Heat shrinkable anti-corrosion materials |