Fisher Instruction Manual: Trim Cartridge for Fisher ET and EZ easy-e Control Valves Manuals & Guides

Instruction Manual
D104358X012
Trim Cartridge for Fisher™ ET and EZ
easy‐e
Control Valves
easy-e Trim Cartridge
October 2021
Contents
Introduction 1.................................
Description 2.................................
Specifications 2...............................
Educational Services 2.........................
Installation 3..................................
Maintenance 6.................................
Packing Replacement 6........................
Tightening Procedures 7.......................
Other Considerations 7........................
Parts Ordering 9................................
Parts Kits 9....................................
Parts List 10...................................
Figure 1. Fisher ET Control Valve with Trim Cartridge and 667 Actuator
Introduction
Scope of Manual
This instruction manual includes installation, maintenance, and parts information for NPS 1 through 4 Fisher ET and EZ valves with Trim Cartridge. Refer to separate manuals for instructions covering the actuator and accessories.
Do not install, operate, or maintain an ET or EZ valve without being fully trained and qualified in valve, actuator, and accessory installation, operation, and maintenance. To avoid personal injury or property
damage, it is important to carefully read, understand, and follow all the contents of this manual, including all safety cautions and warnings. If you have any questions about these instructions, contact
your Emerson sales office
www.Fisher.com
before proceeding.
easy-e Trim Cartridge
October 2021
Table 1. Specifications
Instruction Manual
D104358X012
Maximum Inlet Pressure
(1,2)
Cast Iron Valves
Flanged: Consistent with CL125B or 250B
Flow Direction
ET Linear or Equal Percentage Cage: Normally down EZ Linear or Equal Percentage Cage: Normally up
pressure‐temperature ratings per ASME B16.1
Steel and Stainless Steel Valves
Flanged: Consistent with CL150, 300, or 600
(3)
Approximate Weights
pressure‐temperature ratings per ASME B16.34 Screwed or Welding: Consistent with CL600 pressure‐temperature ratings per ASME B16.34
Shutoff Classifications per ANSI/FCI 70-2 and IEC 60534-4
J Class IV, standard J Class V, optional
VALVE
SIZE, NPS
1
1‐1/2
2 3 4
TRIM CARTRDIGE
WEIGHT
kg lb kg lb
7
8 10 15 21
14 16 22 32 46
VALVE ASSEMBLY
WEIGHT
14 20 30 54 77
30 45
67 125 170
Flow Characteristics
J Equal percentage J Linear
1. The pressure/temperature limits in this manual and any applicable standard or code limitation for valve should not be exceeded.
2. Trim Cartridge contains a pressure retaining bonnet. Ensure Trim Cartridge is suitable for the application's required pressure class rating.
3. Certain bonnet bolting material selections may require a CL600 easy-e valve assembly to be derated. Contact your Emerson sales office
.
Description
Trim Cartridge is a complete control valve repair solution that incorporates a full trim recommended spare parts list (RSPPL) replacement plus a new bonnet in a single, factory assembled repair cartridge. Trim Cartridge has the same fit and function of traditional easy-e trim, making it backwards compatible into existing easy-e constructions. In addition to being pre-assembled, each Trim Cartridge is tested to ensure CL V shutoff capability and has the live loaded ENVIRO-SEAL™ packing set, allowing for a simplified installation that reduces trim repair time and complexity.
Specifications
Typical specifications for these valves are shown in table 1.
Educational Services
For information on available courses for the Fisher ET and EZ valve, as well as a variety of other products, contact:
Emerson Automation Solutions Educational Services - Registration Phone: 1-641-754-3771 or 1-800-338-8158 E-mail: education@emerson.com emerson.com/fishervalvetraining
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Instruction Manual
D104358X012
easy-e Trim Cartridge
October 2021
Installation
WARNING
Always wear protective gloves, clothing, and eyewear when performing any installation operations to avoid personal injury.
Personal injury or equipment damage caused by sudden release of pressure may result if the valve assembly is installed where service conditions could exceed the limits given in table 1 or on the appropriate nameplates. To avoid such injury or damage, provide a relief valve for overpressure protection as required by government or accepted industry codes and good engineering practices.
Check with your process or safety engineer for any additional measures that must be taken to protect against process media.
If installing into an existing application, also refer to the WARNING at the beginning of the Maintenance section in this instruction manual.
CAUTION
When ordered, the valve configuration and construction materials were selected to meet particular pressure, temperature, pressure drop, and controlled fluid conditions. Responsibility for the safety of process media and compatibility of valve materials with process media rests solely with the purchaser and end‐user. Since some body/trim material combinations are limited in their pressure drop and temperature ranges, do not apply any other conditions to the valve without first contacting your Emerson sales office
Before installing the valve, inspect the valve and pipelines for any damage and any foreign material which may cause product damage.
.
1. Isolate the control valve from the pipeline pressure.
2. Release pressure and drain process media from both sides of the control valve.
3. If using a power actuator, also shut off all pressure lines to the power actuator, and release all pressure from the actuator. Use lock‐out procedures to be sure that the above measures stay in effect while the working on the equipment.
4. Disconnect the operating lines from the actuator and any leak‐off piping from the bonnet.
5. Disconnect the stem connector and remove the actuator from the valve by unscrewing the yoke locknut. Remove any travel indicator parts and stem locknuts from the valve stem threads.
WARNING
To avoid personal injury due to leaking fluid, avoid damaging gasket sealing surfaces on the valve body, bonnet, and cage. The surface finish of the valve stem is critical for making a good packing seal. Unless inspection reveals otherwise, assume all these parts are in good condition and protect them accordingly.
6. Loosen the body/bonnet nuts (figure 2, key 2) approximately 3 mm (1/8 inch). Then loosen the body‐to‐bonnet gasket joint by either rocking the bonnet or prying between the bonnet and valve. Work the prying tool around the bonnet until the bonnet loosens. If no fluid leaks from the joint, remove the nuts completely (see figure 6, key 2).
7. Remove the bonnet and all trim components.
8. Remove and discard the cage gasket (key 4) and the bonnet gasket (key 3).
9. Clean and inspect the cage and bonnet gasket surfaces.
10. Install a new cage gasket (key 4) and a new bonnet gasket (key 3) into the valve body.
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easy-e Trim Cartridge
October 2021
Instruction Manual
D104358X012
11. Install the new Trim Cartridge (key 1) into the valve body.
Note
Trim Cartridge is a single use repair solution. Once the spiral wound gasket has been compressed during installation, it may not provide the proper seat load if the Trim Cartridge is removed and reinstalled.
12. Apply lithium-based lubricant to body-to-bonnet bolting, install bolting, and tighten in a criss-cross pattern using the torque guidelines in table 2.
Note
The proper bolting procedures include‐‐but are not limited to‐‐ensuring that bolting threads are undamaged and lubricated, and evenly tightening the cap screws, or the nuts onto the studs, in a criss-cross pattern. Tightening one cap screw or nut may loosen an adjacent cap screw or nut. Repeat the crisscross tightening pattern several times until each cap screw or nut is tight and the body‐ to - bonnet seal is made.
Proper performance of the bolting procedures compresses the spiral wound gasket enough to both load and seal the cage gasket (key 4). It also compresses the bonnet gasket (key 3) enough to seal the body‐to‐bonnet joint.
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