Pipe Spool Hydro Test

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Contents

Purpose

Introduction

Procedure

What to Check for

Common Defects

Guidelines

Certification

Certification
Class Category Pipe Fitting (Elbow, Reducer) Flange
American Bureau of Shipping (ABS) Class I ALL NA NA
American Bureau of Shipping (ABS) Class II ALL NA NA
Det Norske Veritas (DNV) Class I Greater than 50A Greater than 50 A NA
Det Norske Veritas (DNV) Class II NA NA NA
Lloyd's Register of Shipping (LRS) Class I PxD: 2500 & 50A greater than or equal to PxD: 2500 & 50A greater than or equal to PxD: 2500 & 50A greater than or equal to
Lloyd's Register of Shipping (LRS) Class II PxD: 2500 & 50A greater than or equal to PxD: 2500 & 50A greater than or equal to PxD: 2500 & 50A greater than or equal to
Germanischer Lloyd (GL) Class I Greater than 50A Greater than 50A PxD: 2500 or 250A over
Germanischer Lloyd (GL) Class II NA NA PxD: 2500 or 250A over
Korean Register of Shipping (KR) Class I All PxD: 2500 & 50A over PxD: 2500 & 50A over
Korean Register of Shipping (KR) Class II All PxD: 2500 & 50A over PxD: 2500 & 50A over
Registro Italiano Navale (RINA) Class I Greater than or equal to 32A Greater than or equal to 32A Greater than or equal to 32A
Registro Italiano Navale (RINA) Class II Greater than or equal to 100A Greater than or equal to 100A Greater than or equal to 100A
Bureau Veritas (BV) Class I Greater than or equal to 50A Greater than or equal to 50A Greater than or equal to 50A
Bureau Veritas (BV) Class II Greater than or equal to 100A Greater than or equal to 100A Greater than or equal to 100A

NDT

NDT Requirements
Class Category RT (Butt Weld) MT (Fillet Weld) Remarks
American Bureau of Shipping (ABS) Class I Greater than or equal to 65A (100%) All (100%)
American Bureau of Shipping (ABS) Class II Greater than or equal to 100A (10%) Greater than or equal to 100A (10%)
Det Norske Veritas (DNV) Class I Greater than or equal to 65A (100%), Less than 65A (10%) Greater than or equal to 65A (100%), Less than 65A (10%)
Det Norske Veritas (DNV) Class II Greater than or equal to 100A (10%) Greater than or equal to 100A (10%)
Lloyd's Register of Shipping (LRS) Class I Greater than or equal to 65A (100%), Less than 65A (10%) Greater than or equal to 65A (100%), Less than 65A (10%)
Lloyd's Register of Shipping (LRS) Class II Greater than or equal to 100A (10%) Greater than or equal to 100A (10%)
Germanischer Lloyd (GL) Class I Greater than or equal to 65A (100%), Less than 65A (10%) All (100%)
Germanischer Lloyd (GL) Class II Greater than or equal to 100A (10%) All (100%)
Korean Register of Shipping (KR) Class I Greater than 65A (100%), Less than or equal to 65A (10%) All (100%)
Korean Register of Shipping (KR) Class II Greater than 95A (10%) NA
Registro Italiano Navale (RINA) Class I Greater than or equal to 65A (100%) Greater than or equal to 65A (100%)
Registro Italiano Navale (RINA) Class II Greater than or equal to 100A (10%) Greater than or equal to 100A (10%)
Bureau Veritas (BV) Class I Greater than 65A (100%), Less than or equal to 65A (10%) Greater than 65A (100%), Less than or equal to 65A (10%) Greater than 50A
Bureau Veritas (BV) Class II Greater than or equal to 100A (10%) Greater than or equal to 100A (10%)
  • NA - Not Applicable
  • P - Pressure in bar
  • D - Nominal diameter in mm

Ship Side Nozzle

Registro Italiano Navale (RINA): MT 100%