Murphy sdb

The SDB Series are direct-mounting temperature Swichgage devices. They provide an accurate direct-reading gauge with an adjustable limit switch to activate alarms and/or shutdown. A knob on front of the Swichgage instrument allows you to adjust the limit switch trip point. Pointer movement is actuated by a bi-metallic sensing element.

Features

• Easy to Read Dial

• Bi-Metallic Sensor

• Two Ranges:

- 100 to 500°F (40 to 260°C)

- 200 to 1000°F (100 to 500°C)

• Dials Scaled in Degrees

- Fahrenheit/Celsius

• CSA Listed Explosion-Proof Model Available

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Temperature Ranges: SDB500, SDB500EX, and SDB501: 100 to 500°F (40 to 260°C). SDB1000: 200 to 1000°F (100 to 500°C).

Sensing Bulb Material and Size: 304 stainless steel; 1/2 in. dia. x 4 in. (13 x 102 mm) insertion depth.

Maximum Bulb Pressure: 285 psi (1.97 MPa) [19.7 bar] at 625°F (329°C). NOTE: use of a thermowell is recommended.

Process Connection: 1/2 NPTF. 3/4 NPT adapter available.

Sensing Element: High torque bi-metal element in heliarc welded stainless steel bulb.

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