Mercoid Series 225/227/228 Flanged Chamber Level Control
Float Level SwitchesMercoid Series 225/227/228 Flanged Chamber Level Control
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Series 225/227/228
Mercoid Series 225/227/228 Flanged Chamber Level Control
Flanged chamber level control with adjustable deadband of 12 to 24 inches. Eliminates nuisance cycling in turbulent or wide-range applications. Rated to 1000 psig (68.9 bar) and 475°F (246°C).
Key Features
- Adjustable deadband 12″ to 24″ (305–610 mm)
- Rated to 1000 psig (68.9 bar) and 475°F (246°C)
- Hermetically sealed snap or mercury switch
- NEMA 4X enclosure standard
- Optional explosion-proof housing
- UL and CSA approved
- 225: NPT connections; 227: 300 lb ANSI flange; 228: 600 lb ANSI flange
Specifications
Max Pressure1000 psig (68.9 bar) at 100°F; 800 psig at 475°F
Max Temperature475°F (246°C)
DeadbandAdjustable 12″ to 24″ (305 to 610 mm)
Wetted MaterialsBody: carbon steel or 316 SS; Float/Trim: 303/304/316/430 SS
Switch TypeHermetically sealed snap or mercury switch; optional DPDT
EnclosureNEMA 4X standard; optional explosion-proof
Repeatability±1/4″ (6.4 mm)
Specific Gravity0.6 minimum
Process Connections225: 1″ NPT; 227: 1-1/2″ 300 lb ANSI; 228: 1-1/2″ 600 lb ANSI
Agency ApprovalsUL and CSA
Typical Applications
- Surge tanks
- Large process vessels
- Boiler drum applications
- Turbulent liquid surfaces
- Wide operating range service
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