Fisher-Emerson Process Management 3660 Valve Positioner & 3661 Valve Actuator

Fisher-Emerson Process Management 3660 Valve Positioner & 3661 Valve Actuator

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Brand : Ram Automations
SKU: RAMA100009929
Availability: In Stock

The Fisher/Emerson Process Management 3660 Valve Positioner and 3661 Valve Actuator form a high-precision, integrated control solution engineered for demanding industrial flow regulation systems. Designed...

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The Fisher/Emerson Process Management 3660 Valve Positioner and 3661 Valve Actuator form a high-precision, integrated control solution engineered for demanding industrial flow regulation systems. Designed and manufactured by Emerson Process Management Hungary Ltd., this GX Series control assembly ensures accurate valve positioning and efficient actuation in critical process environments. Ideal for use in chemical, petrochemical, and refining industries, this system supports split-range operation, IP67 environmental protection, and ATEX-certified explosion-proof safety.

Key Features:

  • Integrated Fisher 3660 valve positioner and 3661 actuator for accurate control

  • Supports 1:1, 2:1, and 3:1 split-range operation for adaptable pressure management

  • Robust design compliant with IP67 and ATEX Zone 1 hazardous area certifications

  • Wide operating temperature range from -40 to 82°C, suitable for extreme conditions

  • Certified to U.S. patents and international safety standards for reliable performance

Specifications:

  • Product Name: Fisher/Emerson Process Management 3660 Valve Positioner & 3661 Valve Actuator

  • Manufacturer: Emerson Process Management Hungary Ltd.

  • Valve Positioner Type: 3660 GX Series

  • Valve Actuator Type: 3661

  • Valve Size: DN25, CL300

  • Cv/Kv: 6.89 Cv / 5.96 Kv

  • Stroke: 14mm (positioner), 20mm (actuator)

  • Input Signal: 20 mA DC max, 30 VDC max

  • Pressure Range: 44–87 psi (0–160 psi / 0–11 bar max)

  • Temperature Range: -40 to 180°F (-40 to 82°C)

  • Protection Rating: IP67, ATEX II 2 GD EEx d IIC T6

  • Patents: US 4,628,793 & 4,595,029

  • Configuration: Split Range 3:1 (standard also supports 1:1 and 2:1)

  • Weight: 11.870 kg

The Fisher 3660/3661 valve control assembly delivers unmatched performance, safety, and adaptability in flow control systems. Backed by Emerson’s global engineering excellence, this unit ensures long-term durability and process optimization, making it a trusted choice for precision valve actuation in complex industrial applications.

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

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