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Heating Syetems
FOTAS
FARNELLContents
•Different Standards General
•Standards for Main Line coating
•Standards for Field Joint coating
•Test methods & requirements (HSS)
•Berry Plastics Approval’s
•DIN 30670 Polyethylene Coatings max 50°C – No Cathodic Protection
•DIN 30671 Epoxies & Polyurethane (not valid any more)
•DIN30672 Cold Tapes & HSS - No Cathodic Protection
•EN 10289 Epoxies
•EN 10290 Polyurethane
•EN 10288 2LPE
•EN 10285 3LPE
•ISO 21809-1 3 layers Polyethylene & Polypropylene
•ISO 21809-2 Epoxies (FBE)
•ISO 21809-4 2 layers Polyethylene
ISO 21809-5 External Concrete Coatings
Standards for Field Joint Coating
1979 – 1999:
•National standards (NF, NACE, BS, …)
•Company Specifications (Snam, Shell, Aramco,…)
•Project Specifications (old Raychem, salt & peper, …)
•DIN 30672
- Cold Tape & Heat Shrinkable Sleeves
- Versions 1979, 1991 & 2000
- Up to 50°C
- Without Cathodic Protection (CP)
1998 - 2008:
•ASTM – NACE & AWWA (North America)
•EN 12068 (Rest of the world)
- Cold Tape & Heat Shrinkable Sleeves
- No Temperature limitation
- Cathodic Disbondment test
- UV test
- Mechanical resistance (Class A, B & C)
- Class C: 3 peel values in Function of CD test
2009 +
•ISO 21809-3 (worldwide – Approved Nov 08)
- All technologies:
- Bituminous, Petrolatum, Wax & Polymeric Tapes
- Heat Shrinkable Coatings (Tapes & Sleeves - 2LPE-3LPE-3LPP)
- Fusion Bond Epoxy (FBE)
- Liquid Coatings (Epoxy & Polyurethane)
- Others (Polyolefin, Thermal Spray Aluminium, Hot Wax, Elastomeric)
- Requirements:
- 1 Class mechanical resistance
- Test methods = EN & ASTM
Contents
•Different Standards General
•Standards for Main Line coating
•Standards for Field Joint coating
•Test methods & requirements (HSS)
•Berry Plastics Approval’s
Test Methods & Requirements
1. Impact Resistance:
EN12068
Class A: 4J
Class B: 8J
Class C: 15J
Test 5kV/mm
ISO21809-3
3LPE: 5J/mm
3LPP: 8J/mm
Test 5kV+5kV/mm
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2. Indentation Resistance: (@23°C)
EN12068 (72 hours)
Class A: 0,1N/mm²
Class B: 1,0N/mm²
Class C: 10N/mm²
Test 5kV/mm or Thick: 0,6mm
ISO21809-3 (3LPE&3LPP) (24 hours)
50°C: 1,0N/mm²
120°C: 10N/mm²
Test 5kV+5kV/mm & Thick: 0,6mm
3. Cathodic Disbondment Resistance
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EN12068 (28 days @ 23°C)
Class A: 20mm
Class B: 20mm
Class C: 10-15-20mm
@Tmax: no requirement
ISO21809-3 (3LPE&3LPP) (28 days)
@23°C: 8mm
@Tmax (95°C): 15mm
4. Peel Strength to pipe surface and main coating
4. Peel Strength to pipe surface and main coating (@23°C & 10mm/min)
EN12068 Pipe Coating
Class A: 0,4N/mm 0,2N/mm
Class B: 0,4N/mm 0,2N/mm
Class C: 0,5N/mm 0,4N/mm (if CD: 10mm)
Class C: 0,75N/mm 0,4N/mm (if CD: 15mm)
Class C: 1,0N/mm 0,4N/mm (if CD: 20mm)
ISO21809-3 (3LPE&3LPP)
Pipe Coating
3LPE: 2,5N/mm 2,5N/mm
3LPP: 4,0N/mm 4,0N/mm
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