Phenolic Ring Joint type D

Type D (RTJ) isolatiesets

Deze sets bevatten een centrale ovale Ring Joint afdichting. Deze isolerende ring is vervaardigd uit materiaal volgens BS 6128 Pt. 8, evenals PFCC 82 & 83. De afmetingen van de RTJ pakkingen zijn in strikte overeenstemming met ASME B 16.20 of API 6A en standaard in ovale vorm uitgevoerd.

Material physical propertiesTest MethodValueUnit
Dielelectric StrengthASTM D 229500Volts/mil.
Compressive StrengthASTM D 22924.000Lbs/inch2
Water AbsorptionASTM D 2290,7-1,0%
Recommended max. operating Temp120˚C

Type D specification

Application: Suitable for RTJ flanges as per ASME B16.5, up to pressure class 2500 lbs.

Material physical propertiesTest MethodValueUnit
Dielelectric StrengthASTM D 149400Volts/mil.
Compressive StrengthN/A
Water AbsorptionASTM D 2291,6%
Recommended max. Temp120˚C

Insulating Sleeves (1 off for each studbolt)

Material is a phenolic resin bonded laminated paper in accordance to BS 1951 grade TH4, BS 1314 Type AR and BS 6128 Pt. 8.

Material physical propertiesTest MethodValueUnit
Dielelectric StrengthASTM D 229500Volts/mil.
Compressive StrengthASTM D 22926.000Lbs/inch2
Water AbsorptionASTM D 2291,0%
Recommended max. Temp120˚C

Insulating Washers (2 off for each studbolt)

Material phenolic, cotton fabric laminated. Material is in accordance to BS 2572-F2.

Mild steel (2 off for each studbolt)

Material carbonsteel (mild steel), zinc plated.

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