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Model 3900 Liquid Level Controller
Model 3900 Liquid Level Controller
Brand: Mallard ControlThe Model 3900 Liquid Level Switch is a pneumatic snap acting or electric SPDT or DPDT High/Low level switch.
This rugged instrument applies the same "Force Balance" control mechanism as the Model 3200 Liquid Level Controller, combined with a compact vertical cage assembly.
The Model 3900 is designed specifically to meet the level control requirements found on onshore and offshore oil and gas production equipment.
Features- Electric or Pneumatic - The Model 3900 Liquid Level Switch can be fitted with either a non-bleeding pneumatic snap (on/off) pilot or a SPDT or DPDT electric switch
- Field Reversible Switch Action - Changing switch action requires no special tools and no additional parts, and can be easily done without removing the instrument from the vessel
- Field Reversible Mounting - Simply follow the instructions provided on the inside of the instrument's cover. Again, no special tools and no additional parts are required
- Marine Service - The Model 3900 Liquid Level Switch comes standard with stainless steel internals for marine type environments
- NACE - The Model 3900 Liquid Level Switch can be made to meet NACE MR-01-75 material specifications for sour service
Specifications
Brand
Enclosure, Body Material
- Anodized Die Cast Aluminum
- Body: 1018 Steel
Flange Size - 2” (DN 50)
- 2" (DN 50) - 150# (ANSI, RF)
- 2" (DN 50) - 300# (ANSI, RF)
- 2" (DN 50) - 600# (ANSI, RF, RTJ)
- 2" (DN 50) - 900# (ANSI, RF, RTJ)
Materials of Construction
- Cage: WCC Steel
- Gauge: 316 Stainless Steel
- Gauge: Brass
- Gauge: Bronze
NACE & NIST
- NACE MR-0175
NPT Connection
- 1" NPT Female
Welded Connection
- 1" Butt Weld End
- 1" Socket Weld End
- 1-1/2" Butt Weld End
- 2" Butt Weld End
Documentation
Brand-Managed Distributed Enterprise Catalogs (DEC)
for Authorized Channel Partners
for Authorized Channel Partners
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