COUPLER SOLDER RING
Solder Ring Fittings
| Part | Description | Size 1 |
|---|---|---|
| SRCP008 | 8MM COUPLER SOLDER RING | 8MM |
| SRCP010 | 10MM COUPLER SOLDER RING | 10MM |
| SRCP015 | 15MM COUPLER SOLDER RING | 15MM |
| SRCP022 | 22MM COUPLER SOLDER RING | 22MM |
| SRCP028 | 28MM COUPLER SOLDER RING | 28MM |
| SRCP035 | 35MM COUPLER SOLDER RING | 35MM |
| SRCP042 | 42MM COUPLER SOLDER RING | 42MM |
| SRCP054 | 54MM COUPLER SOLDER RING | 54MM |
Lawton Solder Ring Coupler
The Lawton Solder Ring Coupler is designed to securely join two lengths of copper pipe within plumbing and heating systems. Manufactured from high-quality copper and incorporating lead-free pre-loaded solder, it provides fast installation while creating a strong and dependable joint.
Suitable for use with Lawton BS EN 1057 copper tube, the fitting complies with EN 1254-1 standards, delivering reliable performance across domestic, commercial and industrial installations.
Available in a range of sizes, the Lawton Solder Ring Coupler is backed by Lawton’s 75-Year Warranty, providing long-term confidence and reliability.
Key Features
- Joins two lengths of copper pipe
- Manufactured from high-quality copper
- Lead-free pre-loaded solder
- Manufactured to EN 1254-1
- Suitable for BS EN 1057 copper tube
- Available in a range of sizes
- Fast and reliable soldered installation
- Strong and durable construction
- Suitable for plumbing and heating applications
- Backed by a 75-Year Warranty
Technical Data
Product Overview
Lawton Plumbing Capillary Fittings provide a reliable and proven jointing solution for potable water, heating and cooling systems. Manufactured from high-quality copper and brass materials, the range is available in sizes from 8mm to 219mm and complies with EN 1254-1 for capillary fittings.
Applications
- Potable Water Systems
- Heating Systems
- Cooling Systems
Market Sectors
- Domestic
- Commercial
Product Specifications
|
Property |
Specification |
|
Size Range |
8mm – 219mm |
|
Materials |
CW024A Copper, CW614N Brass |
|
Jointing Methods |
Soldering, Brazing |
|
Standard |
EN 1254-1 |
|
Electrical Continuity |
Yes |
|
Form of Supply |
Bags and Boxes |
|
Product Marking |
Permanent Marking, Lawton Logo, Size |
|
Thread Specification (Male) |
ISO 7 / EN 10226-1 |
|
Thread Specification (Female) |
BS EN ISO 228 |
|
Inner Surface Quality |
Clean and Smooth, Carbon Content ≤ 1.0 mg/dm² |
|
Warranty |
75 Years* |
Subject to standard Terms & Conditions. Please refer to our website for full details.
Standards & Compliance
|
Category |
Standard |
|
Manufacturing Standard |
EN 1254-1 |
|
Soft Solder Standard |
EN ISO 9453 |
|
Brazing Alloy Standard |
EN ISO 17672 |
Material Composition
|
Property |
Value |
|
Copper Content (Including Silver) |
≥ 99.90% |
|
Phosphorus |
0.015 – 0.040% |
|
Total Impurities (Excluding Phosphorus and Silver) |
< 0.060% |
|
Melting Point |
1083°C |
|
Density |
8.96 g/cm³ |
Maximum Operating Pressure (Soft Soldered Joints)
Soft solder: tin/copper or tin/silver alloys to EN ISO 9453.
|
Nominal Size |
-40°C |
30°C |
65°C |
110°C |
|
8mm – 28mm |
25 bar |
25 bar |
25 bar |
16 bar |
|
35mm – 54mm |
25 bar |
25 bar |
16 bar |
10 bar |
|
66.7mm |
16 bar |
16 bar |
16 bar |
10 bar |
Important: Fittings larger than 66.7mm should not be assembled using soft solder due to insufficient mechanical strength.
Maximum Operating Pressure (Brazed / Hard Soldered Joints)
Hard solder (brazing alloy) in accordance with EN ISO 17672.
|
Nominal Size |
-40°C |
65°C |
120°C |
150°C |
200°C |
|
8mm |
62.5 bar |
62.5 bar |
58.8 bar |
46.7 bar |
23.3 bar |
|
10mm |
50.9 bar |
50.9 bar |
47.9 bar |
38.0 bar |
19.0 bar |
|
12mm |
42.9 bar |
42.9 bar |
40.3 bar |
32.0 bar |
16.0 bar |
|
15mm |
40.3 bar |
40.3 bar |
37.9 bar |
30.1 bar |
15.0 bar |
|
22mm |
35.6 bar |
35.6 bar |
33.5 bar |
26.6 bar |
13.3 bar |
|
28mm |
28.2 bar |
28.2 bar |
26.5 bar |
21.1 bar |
10.5 bar |
|
35mm |
25.2 bar |
25.2 bar |
23.7 bar |
18.8 bar |
9.4 bar |
|
42mm |
23.2 bar |
23.2 bar |
21.8 bar |
17.3 bar |
8.6 bar |
|
54mm |
19.8 bar |
19.8 bar |
18.6 bar |
14.7 bar |
7.4 bar |
|
66.7mm |
18.6 bar |
18.6 bar |
17.5 bar |
14.0 bar |
6.9 bar |
|
76.1mm |
18.6 bar |
18.6 bar |
17.5 bar |
14.0 bar |
6.9 bar |
|
108mm |
17.2 bar |
17.2 bar |
16.2 bar |
12.9 bar |
6.4 bar |
|
133mm |
10.5 bar |
10.5 bar |
8.5 bar |
7.7 bar |
4.1 bar |
|
159mm |
11.7 bar |
11.7 bar |
9.7 bar |
8.6 bar |
4.6 bar |
|
219mm |
12.8 bar |
12.8 bar |
10.4 bar |
9.4 bar |
5.0 bar |
Installation & Performance
|
Property |
Specification |
|
Jointing Method |
Soft Soldering or Brazing |
|
Electrical Continuity |
Yes |
|
Product Traceability |
Permanent Marking |
|
Internal Cleanliness |
Clean and Smooth Bore |
|
Maximum Carbon Content |
≤ 1.0 mg/dm² |
