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Siemens 357 D Limitem Remote Bulb Thermostats

Limitem Remote Bulb Thermostats
357 D

The 357 D Limitem Remote Bulb Thermostat is a pneumatically-operated thermostat that is gradual, direct acting with a remote or averaging bulb.

• Direct acting only
• Remote or averaging bulbs for flexibility in installation
• Liquid-filled sensing element for rapid response to temperature changes
• Two-valve design reduces air waste
• Adjustable sensitivity

Select a link under the "item" tab below to order.

Cat #Temperature Operating RangeSensing ElementCapillaryBulbMaximum Ambient Temp.
357-000320 to 100°F (-6.7 to +37.8°C)Remote Bulb8’ (2.4 m)3/8” x 4’ (0.95 mm x 10.2 cm)201°F (94°C)
357-00045 to 145°F (1.7 to 62.8°C)Averaging Bulb40’ (12.2 m)3/32” x 15’ (0.24 mm x 457 cm)210°F (99°C)
357-0005120 to 230°F (48.9 to 110°C)Remote Bulb40’ (12.2 m)3/8” x 4” (0.95 mm x 10.2 cm)261°F (127°C)
357-000135 to 145°F (1.7 to 62.8°C)Averaging Bulb6” (15 cm)3/32” x 8’ (0.24 mm x 244 cm)211°F (99.4°C)
Control Action: Direct or Reverse
Maximum Supply Air Pressure: 30 psi (207 kPa)
Sensitivity Range (adjustable): 0.25 to 2 psi/°F (3 to 25 kPa/°C)
Factory Sensitivity Setting: 1.25 psi/°F (15 kPa/°C)
Temperature Response: 0.50°F (0.9°C)
Dial Graduations: 5°F (2.7°C)/2°C (3.6°F)
Maximum Ambient Temperature
Case: 200°F (93°C)
Bulb (Direct Acting): 225°F (107°C)
Bulb (Reverse Acting): 250°F (121°C)
Nominal Air Supply Pressure: 18 to 25 psi (124 to 172 kPa)
Maximum External Pressure (on bulb): 250 psi (1722 kPa)
Mounting: Flange or 3/8" NPT
Air Connections: 1/8" NPT
Dimensions
Bulb Length: 18" (457 mm)
Flange OD: 2.56" (65 mm)
Case: 1.5" Diameter x 3" L
(33 mm Diameter x 76 mm L)
Shipping Weight: 2.0 lb. (0.91 kg)


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