CYLINDER UNION END-FEED
End-feed Fittings
| Part | Description | Size 1 | Size 2 |
|---|---|---|---|
| EFCU0221 | 22MM X 1" STRAIGHT CYLINDER UNION EF | 22MM | 1" |
| EFCU0281 | 28MM X 1" STRAIGHT CYLINDER UNION EF | 28MM | 1" |
End Feed Straight Cylinder Union
The Lawton End Feed Straight Cylinder Union is designed to provide a secure, detachable connection between copper pipework and cylinders or other system components. Manufactured as a seamless, one-piece fitting, it offers enhanced strength and durability while allowing easier maintenance and future system modifications.
The end-feed design provides a traditional soldered connection method, creating a strong and dependable joint. Manufactured to EN 1254-1 standards and suitable for BS EN 1057 copper tube, it delivers reliable performance across plumbing and heating installations.
Lawton End Feed fittings are suitable for domestic, commercial and industrial applications. Backed by Lawton’s 75-Year Warranty, the Straight Cylinder Union provides long-lasting performance and reliabilit
Key Features
-
- Provides a detachable connection for cylinders and system components
- Manufactured as a seamless, one-piece fitting
- Manufactured to EN 1254-1
- Suitable for BS EN 1057 copper tube
- Traditional soldered joint installation
- Strong and durable construction
- Allows easier maintenance and future disconnection
- 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 |
Instructions for use: Fittings 54mm and below, use tin solder.
How to Solder Copper Fittings Instructions
Instructions for use: Fittings 67mm and above, use brazing rod.
