Thông số kỹ thuật:
- Minimum Specific Gravity: 0.75.
- Temperature Limit: Ambient Temperature: 212°F (100°C); Process Temperature: up to 475°F (246°C).
- Switch Type: Snap action or mercury. See charts A and B.
- Electrical Ratings: See charts A and B.
- Wiring Connections:
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> G, WT or E enclosure, terminal block;
-
EV enclosure, 18" (460 mm) leads.
- Process Connections: 1" NPT standard (1" socket weld hubs or flanges optional).
- Enclosure Rating: See model chart.
- Enclosure:
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> G, painted steel and aluminum;
-
WT, painted steel, aluminum, neoprene;
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E, aluminum. EV, aluminum and neoprene.
- Wetted Parts: C1 construction. Chamber, carbon steel. Float and trim 303SS, 304SS, 430SS.
- Weight: 225, 50 lb (22.7 kg); 227, 60 lb (27 kg); 228, 67 lb (30.4 kg).
- Agency Approvals: UL.
Suggested Specifications:
Liquid level control shall be 225 (227) (228) Series with adjustable deadband of (12") (24") (36") (48"). Unit shall be external side mount type. Process connections shall be 1" NPT (socket weld hub) (flanged). Suitable for operation at 1000 psig (68.9 bar) at 100°F (38°C); 850 psig (21 bar) at 475°F (246°C) with a minimum specific gravity of 0.75. Switch mechanism shall be gravity return and shall be activated by a stainless steel float.
