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The Marsh Bellofram Type 1000 is an electro-pneumatic transducer that reduces a supply pressure to a regulated output pressure directly proportional to a converted electrical input signal. The Type 1000 accepts a wide range of supply pressures, ranging from a minimum of 3 psig (0.2 BAR) above the maximum output up to 100 psig (6.9 BAR). An integral pneumatic volume booster provides high flow capacity (up to 12 SCFM/339 slpm). Model selections include general purpose, NEMA 4X Type, extended range, high relief, intrinsically safe, and explosion proof. The 4-20 mA input, 3-15 PSIG output model can be recalibrated to provide 3-9 PSIG or 9-15 PSIG output for split ranging applications.

Features:

  • Lightweight and Low Cost
  • Built-in Volume Booster
  • Small Size
  • Field Reversible
  • Low Air Consumption
  • Mounts at Any Angle
  • Convenient External Span & Zero Adjusts (Except for Explosion Proof Models)
  • Wide Supply Pressure Range
  • Low Supply Pressure Sensitivity

Applications:

  • Valve Actuators
  •  Damper and Louver Actuators
  • Valve Positioners
  • Controllers
  • Relays
  • Air Cylinders
  • Clutches and Brakes
  • Liquid, Gas and Slurry Processing Instrumentation
  • HVAC Systems
  • Paper Handling Controls
  • Textile Processing Systems
  • Energy Management Systems
  • Petrochemical Processing Systems
  • Split Ranging
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Item #

Item Name

Input

Output

Nominal Impedance

Approvals

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N/A Explosion Proof Transducer N/A 4-20 mA N/A 3-15 PSIG (0.2-1.0 BAR) N/A 180 Ω N/A Explosion-Proof, Factory Mutual Add To Cart
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N/A Explosion Proof Transducer N/A 4-20 mA N/A 3-15 PSIG (0.2-1.0 BAR) N/A 180 Ω N/A CSA Explosion Proof Add To Cart
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N/A Explosion Proof Transducer N/A 1-9V N/A 3-15 PSIG (20-100 BAR) N/A 985 Ω N/A Explosion Proof Factory Mutual Add To Cart
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