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Xiangjing (Shanghai) M&E Technology Co., Ltd

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China Original Samson 3277 Pneumatic Diaphragm Actuator 3241 Globe Valve Body 3725
China Original Samson 3277 Pneumatic Diaphragm Actuator 3241 Globe Valve Body 3725

  1. China Original Samson 3277 Pneumatic Diaphragm Actuator 3241 Globe Valve Body 3725
  2. China Original Samson 3277 Pneumatic Diaphragm Actuator 3241 Globe Valve Body 3725
  3. China Original Samson 3277 Pneumatic Diaphragm Actuator 3241 Globe Valve Body 3725
  4. China Original Samson 3277 Pneumatic Diaphragm Actuator 3241 Globe Valve Body 3725
  5. China Original Samson 3277 Pneumatic Diaphragm Actuator 3241 Globe Valve Body 3725

Original Samson 3277 Pneumatic Diaphragm Actuator 3241 Globe Valve Body 3725

  1. MOQ: 1
  2. Price: 1200USD~1800USD
  3. Get Latest Price
Payment Terms T/T
Supply Ability 50PCS/Month
Delivery Time 4~8 work week
Packaging Details Based on demand
Deviation ≤1 %
Media Gas
Signal range 4 To 20 MA
Direction of action Reversible
Sensitivity ≤0.1 %
Degree of protection IP 66/NEMA 4X
Minimum current 3.6 MA For Display 3.8 MA For Operation
Brand Name Samson
Model Number 3730-3 Samson Valve Positioner
Certification -
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Supply Ability 50PCS/Month
Delivery Time 4~8 work week Packaging Details Based on demand
Deviation ≤1 % Media Gas
Signal range 4 To 20 MA Direction of action Reversible
Sensitivity ≤0.1 % Degree of protection IP 66/NEMA 4X
Minimum current 3.6 MA For Display 3.8 MA For Operation Brand Name Samson
Model Number 3730-3 Samson Valve Positioner Certification -
Place of Origin China
High Light Samson 3277 pneumatic diaphragm actuator3241 globe valve body3725 valve positioner with warranty
Samson 3277 Pneumatic Diaphragm Actuator
Product Overview

The Samson 3277 Pneumatic Diaphragm Actuator is a widely used linear actuator designed for precise control of globe control valves in industrial process automation systems. Known for its robust design, reliable operation, and long service life, the Samson 3277 actuator is commonly paired with Samson control valves and valve positioners to form a complete control valve assembly.

This pneumatic diaphragm actuator converts a pneumatic control signal into linear valve stem movement, enabling accurate flow, pressure, and level regulation. Its modular construction allows flexible configuration for different thrust ranges, fail-safe actions, and mounting standards, making it suitable for a wide range of applications.


Key Features
  • Pneumatic diaphragm actuator for linear control valves
  • High positioning accuracy and stable operation
  • Modular design for flexible configuration
  • Supports fail-safe action through spring force
  • Compatible with smart and analog valve positioners
  • Low friction for smooth valve movement
  • Reliable performance in continuous operation
  • Easy installation and maintenance
  • Suitable for harsh industrial environments
  • Long service life with proven Samson design

Technical Specifications
Actuator type Pneumatic diaphragm actuator
Actuator action Fail-close
Fail-open
Fail-in-place
Control signal Pneumatic
Operating pressure Suitable for standard instrument air supply
Thrust range Available in multiple thrust classes depending on actuator size
Stroke Various stroke lengths to match valve requirements
Mounting NAMUR mounting interface for valve positioners
Materials Steel housing
Diaphragm materials suitable for industrial service
Ambient temperature Suitable for typical industrial operating conditions

Applications
  • Control valve actuation in chemical and petrochemical plants
  • Flow and pressure control in oil and gas processing
  • Steam control in power generation facilities
  • Water and wastewater treatment systems
  • Industrial process automation and control loops
  • General manufacturing and utility applications

Benefits
  • Provides reliable and precise valve actuation
  • Ensures safe operation with fail-safe functionality
  • Compatible with a wide range of Samson control valves
  • Supports automation and digital control strategies
  • Reduces maintenance with durable mechanical design
  • Improves overall control loop stability

How It Works

The Samson 3277 actuator uses pneumatic pressure applied to a flexible diaphragm to generate linear force. This force moves the actuator stem, which in turn adjusts the valve plug position. When air pressure is removed, the internal spring returns the actuator to its fail-safe position, ensuring safe operation during air supply failure.

When combined with a valve positioner, the actuator achieves precise positioning and fast response to control signals.


Installation Overview
  • Mount the actuator to the control valve bonnet
  • Connect the instrument air supply
  • Install and calibrate the valve positioner
  • Set the desired fail-safe action
  • Perform functional testing under operating conditions

Frequently Asked Questions
What valves are compatible with the Samson 3277 actuator
It is designed for Samson linear globe control valves and compatible designs.
Can it be used with smart valve positioners
Yes, it supports both digital and analog valve positioners via NAMUR mounting.
What fail-safe options are available
Fail-close, fail-open, and fail-in-place configurations are available depending on setup.
Is it suitable for harsh environments
Yes, it is designed for reliable operation in industrial environments.
Does it require special maintenance
Routine inspection and standard maintenance are sufficient for long-term operation.

Related Products
  • Samson 3241 Globe Control Valve
  • Samson 3730 Smart Valve Positioner
  • Samson 4763 Pneumatic Positioner
  • Samson 3271 Pneumatic Actuator

Company Details

Bronze Gleitlager

,

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 and 

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 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company,Seller,Other

  • Year Established:

    2015

  • Total Annual:

    30,000,000-50,000,000

  • Employee Number:

    200~300

  • Ecer Certification:

    Verified Supplier

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  • Xiangjing (Shanghai) M&E Technology Co., Ltd
  • No.6 Building,No.98 Lane, No.1 Fulian Road, Baoshan District, Shanghai, China
  • https://www.shgongboshi.com/

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