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External Mount, Pressure to 1000 psig (69 bar) and Temperature to 475°F (246°C)
Heavy duty flanged chamber features removable float for ease of inspection and maintenance. The 221 Series also provides 1" NPT for standard external mounting. Socket weld hubs or flanges are optional. Rugged C1-75 construction is suitable for operation at 1000 psi (69 bar) at 100°F (38°C), and 850 psig (59 bar) at 475°F (246°C) with a minimum specific gravity of 0.75. C1-60 construction is suitable for operation at 600 psig (41 bar) at 100°F (38°C), and 550 psig (38 bar) at 475°F (246°C) with a minimum specific gravity of 0.60. Models featured can be ordered with various circuits including SPST, SPDT, or DPDT with hermetically sealed snap action or mercury contacts. A full range of enclosures are available including general purpose, weatherproof, explosion-proof, or explosion-proof – vapor proof.
Product Applications
CHARTS A & B - ELECTRICAL CIRCUITS AND RATINGS
†Available on special order, change 1st digit in ordering code from 4 to 5 or 7 to 8, i.e., -4820 becomes -5820, -7810 becomes -8810, etc.‡10 amp inductive (polarized) at 125 VDC.*Electrically Independent.**Resistive.
CHART C - MOUNTING STYLE