CLASS B FIRE RATED PRE-INSULATED PAIR COIL

Pre-Insulated Coils
PartDescriptionLengthSize 1Size 2InsulationClassification
B10019MM-B LAWTON PAIR 1/4" & 3/8" X 25M BLACK25M1/4"3/8"9MMB Class
B10029MM-B LAWTON PAIR 1/4" & 1/2" X 25M BLACK25M1/4"1/2"9MMB Class
B10039MM-B LAWTON PAIR 1/4" & 5/8" X 25M BLACK25M1/4"5/8"9MMB Class
B10049MM-B LAWTON PAIR 3/8" & 5/8" X 25M BLACK25M3/8"5/8"9MMB Class

A fast and easy solution that meets the needs of Euroclass EN 13501-1 Rating of BL-s1,d0

  • Backed by Lawton’s reputation for quality, service and customer care for over 100 years
  • Meets European Building and Fire Safety Regulations
  • Class B tested and certified for complete peace of mind
  • PE Foam B rated insulation matched with Lawton Copper tube gives total product confidence
  • Suitable for Heat Pump and Air Conditioning applications
  • Available in 20 and 25mtr coils, in 13mm thickness
  • Easy installation. No glue, tape or messy powder
  • Using pre insulated coil achieves pipework installation in less than half the time of conventional methods
  • New improved profile developed for easy splitting during installation

Other Information 

  • Temper: Soft
Part Number Product Description Tube Dimensions Temper Insulation Thickness Lengths Pallet Qty (coils) Kgs per Coil
B1001 9mm Lawton Pair Coil Class B Fire Rated 1/4″ x 0.71mm & 3/8″ x 0.81mm Soft 9mm (3/8″) 25m 11 6.45
B1002 9mm Lawton Pair Coil Class B Fire Rated 1/4″ x 0.71mm & 1/2″ x 0.81mm Soft 9mm (3/8″) 25m 11 7.22
B1003 9mm Lawton Pair Coil Class B Fire Rated 1/4″ x 0.71mm & 5/8″ x 0.91mm Soft 9mm (3/8″) 25m 11 9.32
B1004 9mm Lawton Pair Coil Class B Fire Rated 3/8″ x 0.81mm & 5/8″ x 0.91mm Soft 9mm (3/8″) 25m 10 10.93

Technical Data

Product Overview

Pre-insulated copper coils available in Class O (NBR) and Class B (PE) fire-rated insulation options. Supplied as pair coils and single coils for use in air conditioning, refrigeration, and heat pump installations.

Applications

  • Air conditioning systems
  • Refrigeration piping systems
  • Heat pumps

Market Sector

  • Domestic
  • Commercial

Tube Specifications

Property Specification
Material CW024A Copper
Material Condition R220 (Soft, Annealed)
Standard EN 12735-1
Outside Diameter Range 1/4″ – 5/8″ (6.35 mm – 15.87 mm)
Wall Thickness Range 0.028″ – 0.036″ (0.71 mm – 0.91 mm)
Inner Surface Quality Clean and smooth, carbon content ≤ 0.38 mg/dm²
Delivery Condition Nitrogen purged and capped
Form of Supply Boxed coils

Insulation Specifications

Property Class O Class B
Material Closed Cell NBR Foam Closed Cell PE Foam
Insulation Thickness 9 mm & 13 mm 9 mm
Fire Classification (EN 13501-1) BL-s3,d0 BL-s1,d0
Coil Lengths 20 m 25 m
UV Resistance ASTM G154 & ISO 4892-3 Tested ASTM G154 & ISO 4892-3 Tested

Compatible Refrigerants

  • R32
  • R134a
  • R410A
  • R404A
  • R407C
  • R407F
  • R1234yf
  • R1234ze
  • R744 (CO₂)
  • And other common refrigerants

Installation Benefits

  • No glue, tape or powder required
  • Split insulation profile for easy fitting access
  • Marked insulation and coil for easy identification

Guarantee

75-Year Guarantee
Subject to standard Terms & Conditions. Please refer to our website for full details.

Material Mechanical Properties

Material Designation Minimum Tensile Strength (MPa) Minimum Elongation (%) Hardness HV5
R220 (Soft, Annealed) 220 40 40 – 70

Material Composition

Property Value
Copper Content (including Silver) 99.90%
Phosphorus Content 0.015 – 0.040%
Total Impurities (excluding Phosphorus & Silver) ≤ 0.060%
Melting Point 1083°C
Density 8.96 g/cm³

Maximum Operating Pressure (R220 Annealed Tube, up to 100°C)

Outside Diameter Wall Thickness SWG Maximum Operating Pressure (bar)
1/4″ 0.028″ 22 101
3/8″ 0.032″ 21 75
1/2″ 0.032″ 21 55
5/8″ 0.036″ 20 44

For further technical information, contact [email protected].

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