| Model | 1810 | 1811 | 1811N | 1822 |
| Maximum Capacity | 500 lb/hr (227 kg/hr) |
1020 lb/hr (463 kg/hr) |
900 lb/hr (410 kg/hr) |
1802 lb/hr (817 kg/hr) |
| Maximum Allowable Pressure | 400 psig @ 800°F (28 bar @ 427°C) |
400 psig @ 800°F (28 bar @ 427°C) |
400 psig @ 800°F (28 bar @ 427°C) |
650 psig @ 600°F (45 bar @ 316°C) |
| Body Material | ASTM A240 Grade 304L Stainless Steel |
ASTM A240 Grade 304L Stainless Steel |
ASTM A240 Grade 304L Stainless Steel |
ASTM A240 Grade 304L Stainless Steel |
| Maximum Operating Pressure | 200 psig (14 bar) |
400 psig (28 bar) |
200 psig (14 bar) |
650 psig (45 bar) |
| Connection Type | Screwed, Socketweld, Flanged |
Screwed, Socketweld, Flanged |
Screwed, Socketweld |
Screwed, Socketweld, Flanged |
| Connection Size | 3/8″ (12 mm) 1/2″ (15 mm) |
1/2″ (15 mm) 3/4″ (20 mm) |
1/2″ (15 mm) 3/4″ (20 mm) |
1/2″ (15 mm) 3/4″ (20 mm) 1″ (25 mm) |
1800 Series Inverted Bucket Steam Traps are all stainless steel for horizontal installation.
1800 Series is a quick and easy in-line replacement for other types of side inlet and side outlet traps, the Armstrong 1800 Series brings together all the familiar benefits of energy-efficient inverted bucket operation. Side inlet and outlet all-welded construction means an inverted bucket trap that will operate efficiently on applications such as tracer lines, drips, heating, processing and similar applications.
With the 1800 Series you get freeze-resistant, all-stainless steel construction, a three-year guarantee and all the benefits of inverted bucket operation.
