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General| Brand | G.T. Attuatori |
|---|---|
| Model | GTX Series |
| Category | Controller |
| Language | English |
Details on Double Acting and Spring Return actuator styles and their operating pressure range.
Explains the operational principles of double-acting and spring return actuators via port A and B.
Describes how to convert spring return actuators between Fail Clock-wise and Fail Counter Clock-wise configurations.
Details on ISO 5211 and NAMUR mounting patterns, and available pinion interface types for valve connection.
Information on NAMUR port standards and adapter plates for solenoid valve connections to actuators.
Step-by-step guide for connecting the valve stem and mounting the actuator onto the valve.
Instructions for proper alignment of the actuator and valve, and tightening mounting fasteners.
Procedures for actuating the unit pneumatically and setting travel stops for precise rotation.
Guidance on rotating the actuator assembly and torqueing travel stops against pistons.
Steps for disconnecting utilities, removing accessories, and safely separating end caps from the actuator.
Detailed instructions for removing pistons and the pinion from the actuator body, with safety precautions.
Method for removing the pinion using blocks of wood and a rubber mallet for safe extraction.
Lists the components included in the O-Ring and Guide kits provided for actuator servicing and repair.
Ensuring parts are clean, within tolerance, and properly lubricated using specified grease before assembly.
Steps for installing wear skates, bearings, O-rings on pistons/pinions, and seating the pinion and pistons.
Ensuring proper piston engagement with the pinion and correct pinion orientation for operation.
Instructions for inserting cartridge springs and torquing end cap screws to factory specifications.
Procedure for checking air leaks around the pinion and end cap mating surfaces after assembly.
Explains the process of converting double acting actuators for spring return functionality using cartridge springs.
Steps for inserting cartridge springs into actuator end caps based on piston markings and orientation.
Guidance on correctly orienting end caps (Part A top, Part B bottom) during reassembly.
Table detailing the orientation of cartridge springs based on the number installed in the actuator.
Description of G.T. Attuatori solenoid valves, including Buna-N O-rings for sealing and plugger return.
Details on NAMUR standard mounting and the use of adapter plates for solenoid valve connections on smaller actuators.
Technical data for the SV.1 single solenoid valve, including voltages, consumption, and pressure ratings.
Technical details and diagrams for the SV.2 double solenoid valve used with actuators.
Technical data and diagrams for SV.2-VC and SV.2-VS double solenoid valves, specifying their configurations.
Specifications and diagrams for the PV.1 single pneumatic command valve, used for actuator control.
Specifications and diagrams for the PV.2 double pneumatic command valve, detailing its port configuration.
Information on coils for low consumption, Explosion Proof (EExm II T4) and Intrinsically Safe (EEx ib llc T6) applications.
Guidelines for selecting and directly mounting solenoid valves, including any necessary actuator piping.
Steps for connecting the solenoid valve supply line and operating the manual override function.
Step-by-step guide to field convert actuators from Fail Clock-wise (FCW) to Fail Counter Clock-wise (FCCW) operation.
Details on rotating pistons 180° and reassembling the actuator for the FCCW configuration.
Key data needed for actuator sizing, including torque, pressure, and differential pressure.
Importance of using minimum air supply pressure for accurate actuator sizing to prevent underperformance.
Steps to determine required torque, apply a safety factor, and select the correct actuator using sizing tables.
Method for increasing valve closing and opening torque by 20% to account for spring return functionality.
Walkthrough of an example calculation to determine the correct actuator size based on torque and pressure.
Guidance on using tables to find actuator cycle times for different models and spring configurations.
Details on ATEX 94/9/CE compliance and explanation of the actuator's specific markings (Ex, II, 2 GD, T).
Guidelines for installing actuators in areas with explosive atmospheres, considering zone classification and substance properties.
Considerations for actuator choice based on plant type, zone classification, substance features, and temperature class.
Details on the one-year warranty period, material defect coverage, and repair/substitution policies.
Specific situations that will void the product warranty, including improper use, installation, or application.
