Valve Positioners

Rotary / Linear Type Elector – Pneumatic Valve Positioner

4Matic Electro-Pneumatic Positioner (4-20 m Amp, linear and rotary type) are advanced control devices which provide unparalleled stability In difficult environment.

Description

The “4Matic” 4MCEP 1000 Series Electro Pneumatic Positioner is used as the final controlling element for the operation of pneumatic Rotary/linear valve actuators in correspondence with an input signal of 4-20mA DCor split ranges.

The Positioners are based on a force balance design for control application that requires a high degree of reliability and repeatability at an economical cost.

The Positioners can handle the supply pressure up to 100 psi for higher-pressure industrial pneumatic and process control system requirements.

Principle of Operation

The operation of “4Matic” 4MCEP 1000 series R/L series positioners is based on a force-balanced system. Tension on the feedback spring provides feedback to the positioner which will vary as the actuator shaft rotates with the cam. The spring Loading force is applied through the camshaft & cam to the positioner’s instrument signal capsule through the balance beam.

Input of 4-20mA DC is applied to the instrument and the corresponding output is applied to the control capsule serving as a force balance membrane and matching the actuator shaft position to the instrument signal.

Field Reversible

To change from direct acting to reverse acting simply reverse the cam and fix it on the camshaft make sure of the signal SPAN which is printed on the cam and recalibrate for the Actuator fully open or close position in case of Pneumatic to Pneumatic, Positioner Control Valve. For Electro-Pneumatic change current signal, input leads from positive to negative and change current signal from 4-20 to 20-4 over and above cam reverse and recalibrate the Positioner.

Features

• Designed as block build structure for maintenance and repair
• Precise calibration with simple SPAN and ZERO adjustments
• Simple conversion to Direct Acting or Reverse Acting
• Split range control available by simple adjustments without changing parts
• Simple structure for feedback connection
• Corrosion-resistant aluminium die cast body
• Sensitive response for high performance
• Vibration resistant design
• Stainless Steel Gauge Standard
• A restricted pilot valve orifice kit for small actuators included
• Optional built-in limit switched or 4-20 mA position transmitter for feedback
• Optional directly-mountable positioner
• Proved the reliability through over 5,00,000 times of repeat test & Vibration test.

Mounting

The “4Matic” 4MCEP 1000 Series Rotary / Linear Pneumatic – Pneumatic Positioner may be mounted on the Linear Actuator/Rotary Actuator as per the installation and operational manual.

Options Available

• Position Transmitter (4-20mA De.)
• Two limit Switches.
• Valve, Valve-Actuators
• Damper and Louver Actuators
• Air-Cylinders
• Relays
• Clutches
• Web Tensioners and Brakes

NOTE :

1. 1/2 split range can be adjusted
2. Feedback lever for stroke 80-lSOmm is available (PPL)

Integrated Characteristics

Application

The “4Matic” 4MCEP 1000 series R/E Positioners convert pneumatic/electrical signal to a pneumatic output which can be used to operate the following :

Used In

Petrochemical Processing Systems, Energy Management, HVAC Systems, Textile Processing Systems. Pharmaceutical Processing System, Paper  & Pulp Handling Controls.

Note : Since, constant worldwide advancement in technology, We keep our rights reserved to make changes time to time in Technical specifications and Dimensions without prior notice.

Rotary / Linear Pneumatic – Pneumatic Valve Positioner

4MatiC Pneumatic-Pneumatic Positioner (3-15 pst I rotary off linear type) are advanced control devices which provide unparalleled stability in difficult environment.

Description

The “4Matic” 4MCPP 1200 Series Rotary / Linear Pneumatic – Pneumatic Positioner converts a controller output (usually 3 to 15 psi to Linearly/Rotary proportional travel/Rotational & Pneumatic outputs. The Positioners are based on a force balance design for control applications that require a high degree of reliability & repeatability at an economical cost. Optional NEMA 4X (IP65/IP66)-explosion-proof versions allow for splashdown/explosive atmosphere and outdoor installation.

The “4Matic” 4MCPP 1200-R/L series positioners are used for Liner/Rotary movement with ranges 3-9 and 9-15 psig. control Sigal, when you select split range. The Standard range is 3-15 psig. The positioners can handle the supply pressure up to 100 psi for higher-pressure Industrial pneumatic and process control system requirements.

Principle of Operation

The operation of “4Matic” 4MCPP 1200-R/L series positioners is based on a force-balanced system. Tension on the feedback spring provides feedback to the positioner which will vary as the actuator shaft rotates with the cam. The spring Loading force is applied through the camshaft & cam to the positioner’s instrument signal capsule through the balance beam.

Output from the controller (usually 3-15 Psig) is applied to the diaphragm in the instrument signal capsule serving as a force balance membrane, matching the actuator shaft position to the instrument signal.

Split Ranging

If split ranging is required may be mounted on the Linear Actuator/Rotary Actuator as per installation and operational manual.

Mounting

The “4Matic” 4MCPP 1200-R/L FC series positioners may be mounted on a  Linear Actuator/Rotary Actuator as per installation and operational manual

Field Reversible

To change form direct acting to reverse acting simply reverse the cam and fix it on the cam shaft make sure of the signal SPAN which is printed on the cam and recalibrate for the Actuator fully open or close position in case of Pneumatic Pneumatic.

NOTE :

1. 1/2 split range can be adjusted
2. Feedback lever for stroke 80-lSOmm is available (PPL)

Integrated Characteristics

Rotary / Linear Type Elector – Pneumatic Direct Mount Positioner

4MatiC Pneumatic-Pneumat ic Positioner (3-15 pst I rotary off linear type) are advanced control devices which provide unparalleled stability in difficult environment. Electro – Pneumatic Positioner is used for operation of pneumatic Multiple springs diaphragm actuators by means of electrical or control system with an output signal of DC 4 – 20 mA or split rages.

Features

• CE, CIMFR, BIS, ISi,ISO Certified, approved
• It is connected with Diaphragm actuator directly without Air pipe, and can be mounted the Filter Regulator
• Sturdy, tubeless and vibration resistant design
• There is no resonance at 5-200Hz.
• The change of RA/DA acting is convenient. It is able to apply to single or double acting actuator.
• It is possible to prevent the hunting with orifice to the small size actuator
• It is economical due to less air consumption.
• It is able to control the Y, split range with simple operation with replacement of parts.

Note : Since, Constant worldwide advancement in technology, We keep our rights reserved to make changes time to time in Technical specifications and Dimensions without prior notice.