Description
The Marsh Bellofram 961-070-000 Type 1000 is a high-precision Electro-Pneumatic (I/P) Transducer designed to convert a variable electrical signal into a proportional pneumatic output. Engineered for industrial process control, this electrical converter reduces supply pressure to a regulated output pressure directly proportional to a two-wire 4-20 mA DC input. The T1000 series is recognized for its reliable performance in demanding environments, offering exceptional Technical Compatibility with standard pneumatic valve positioners, damper actuators, and web tensioning systems.
Technical Specifications:
Manufacturer: Marsh Bellofram
Series: Type 1000 (T1000)
Part Number: 961-070-000
Device Type: Electro-Pneumatic (I/P) Transducer
Input Signal: 4-20 mA DC
Output Pressure: 3-15 psig (0.2-1.0 bar)
Maximum Supply Pressure: 100 psig (6.9 bar)
Flow Capacity: 12 SCFM (340 Nl/min) at 100 psig supply
Exhaust Capacity: 2.0 SCFM (56.6 Nl/min) at 5 psig above setpoint
Air Consumption: 0.1 SCFM (2.8 Nl/min) typical midscale
Linearity: ±1.0% of span
Hysteresis: 1.0% of span
Repeatability: ±0.5% of span
Operating Temperature: -20°F to 160°F (-29°C to 71°C)
Pneumatic Connections: 1/4 NPT Female (Inlet/Outlet)
Electrical Connections: 1/2 NPT Female Conduit
Housing Material: Die-cast Aluminum with baked enamel finish
Weight: 2.1 lbs (0.95 kg)
Industrial Application and Lifecycle Value:
The 961-070-000 is specifically deployed in automated control loops requiring rapid and accurate pneumatic response from electronic control systems. Typical applications include petrochemical refineries, paper manufacturing, and industrial HVAC systems where precise valve actuation is critical. The robust die-cast aluminum housing ensures protection against harsh industrial elements, while the internal voice-coil mechanism provides vibration resistance and stable operation.
Procurement and Integration:
Maintaining Original Engineering standards is vital for process safety and loop integrity. This authentic Marsh Bellofram component ensures seamless drop-in replacement, minimizing downtime. Please contact our technical sales team for current Lead Time and further verification of Technical Compatibility with your existing DCS or PLC architecture.
Key Attributes
Place of origin: United States
Customized support: OEM, ODM
Brand name: Marsh Bellofram
Warranty: 1 years
Model number: 961-070-000
Min Exhaust Flow Rate (SCFM): 2
Forward Flow Capacity (SCFM): 24
Forward Flow Capacity (LPM): 677
Min Operating Temperature (° F): -20
Max Operating Temperature (° F): 160
Min Operating Temperature (° C): -28
Max Operating Temperature (° C): 71
Power: Electronic
Packaging and Delivery
Selling Units: Single item
Single package size: 28X18X14 cm
Single gross weight: 2.500 kg
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