Mueller Middle East’s Halstead refrigeration service coils are designed to meet the demanding conditions of modern HVAC/R applications and refrigerants. Our coils are cast from the highest purity copper and manufactured to global standards.
Each coil is dehydrated, nitrogen purged, sealed with end caps, and shrink-wrapped individually to maintain high cleanness from our factory to your job site. Our standards ensure long life expectancy for your HVAC/R system devices and equipment.
Product Specification Table
The outer diameter and wall thickness is manufactured in accordance with ASTM B743
Type | Size (OD) Inch mm | Wall thickness Inch mm | 50ft/15.24m Coils Kg lbs Box Qty | 100ft/30.48m Coils Kg lbs Box Qty | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Soft Coil ASTM B743 | ||||||||||
1/4” | 6.35 | 0.024” | 0.610 | 1.50 | 3.31 | 10 | 3.00 | 6.62 | 5 | |
3/8” | 9.52 | 0.024” | 0.610 | 2.33 | 5.14 | 10 | 4.66 | 10.28 | 5 | |
1/2” | 12.70 | 0.028” | 0.711 | 3.66 | 8.07 | 5 | 7.32 | 16.14 | 3 | |
5/8” | 15.88 | 0.028” | 0.711 | 4.63 | 10.21 | 4 | 9.26 | 20.42 | 2 | |
3/4” | 19.05 | 0.032” | 0.813 | 6.36 | 14.02 | 3 | 12.72 | 28.04 | 2 | |
7/8” | 22.22 | 0.040” | 1.020 | 9.24 | 20.38 | 3 | 18.48 | 40.76 | 2 |
Underwriter's Laboratories (UL) Recognition


To provide customers with the highest level of assurance, Mueller Middle East has implemented third-party verification and recognition through Underwriters Laboratories (UL). The testing and third-party recognition validate the performance of this product at operating pressures of 700 psi at 250°F, in select sizes, as shown in the included table.
Size O.D.(”) WALL(”) | Rated Internal Working Pressure (PSIG) 150°F 200°F 300°F 350°F | ||||
---|---|---|---|---|---|
1/4” | 0.024” | 1,061 | 1,020 | 978 | 832 |
3/8” | 0.024” | 700* | 700* | 635 | 540 |
1/2” | 0.028” | 700* | 700* | 550 | 468 |
5/8” | 0.028” | 700* | 700* | 436 | 371 |
3/4” | 0.032” | 700* | 700* | 414 | 352 |
7/8” | 0.040” | 484 | 465 | 446 | 380 |


Highlights

+ HIGHEST PURITY COPPER
Produced in compliance with ASTM phosphorus deoxidized DHP UNS C12200 grade of copper (Cu > 99.9%, P0.015%-0.040%).

+ SUPER CLEAN COILS
Each coil is vacuumed and purged with nitrogen to obtain internal residue less than 0.0035 g/ft (as per the specified cleanness limit set by ASTM B280 & ASTM B743) to provide maximum protection against harmful oxides during soldering/brazing.

+ OPTIMIZED FOR THE JOB SITE
✓ Suitable for Variable Refrigeration Flow (VRF) Systems and modern refrigerants, including R410A
✓ UL recognized to 700psi at 250 degrees Fahrenheit (in select sizes)
✓ Annealed to ensure easy field installation and tested for:
- Elongation greater than >40%
- Flaring expansion greater than >40% of the outer diameter
- Tensile strength greater than >205 MPa

+ RIGID AND SPACE EFFICIENT
✓ Each coil is labeled with durable ink and a unique barcode for easy identification and traceability
✓ Unique rigid box design:
- Stackable 20-box high
- 15% more space efficient
- 360° identification
All our products comply with the following international standards:







