Thông số kỹ thuật:
- C1-40: Minimum specific gravity 0.40. Process pressure 1250 psi (86 bar) at 100°F (38°C) to 500°F (260°C).
- Temperature Limit: Ambient Temperature: 212°F (100°C); Process Temperature: up to 500°F (260°C).
- Switch Type: Snap action or mercury. See Model Chart.
- Electrical Rating: See Model Chart.
- Wiring Connections: G, WT or E enclosure: terminal block; EV enclosure: 18" (460 mm) leads.
- Process Connection: Combination 1" NPT/socket weld hubs or flanges. See Model Chart.
- Enclosures: G: painted steel and aluminum; WT: painted steel, aluminum and neoprene; E: aluminum; EV: aluminum and neoprene.
- Wetted Parts: C1 construction. Chamber: carbon steel; Trim: 303SS, 304SS, 316SS and 430SS.
- Weight: 1251: 40 lb (18 kg); 1253: 50 lb (22.7 kg); 1254: 57 lb (25.8 kg).
Suggested Specifications:
Liquid level control shall be 1251 (1253) (1254) Series with 1" combination NPT/socket weld hub (flanged) process connections. Chamber shall be welded and suitable for operation at 1250 psig (86 bar) and 500°F (260°C) with a minimum specific gravity of 0.40. Circuit shall be hermetically sealed snap action (mercury) switch (SPST) (SPDT) (DPDT). Enclosure shall be general purpose, (explosion- proof) (explosion-proof – vapor proof). Switch mechanism shall be gravity return and shall be activated by a stainless steel float.
