Table of Contents
Instruction Manual
D102175X012
Fisher
EZ-C, ET-C, and EWT-C Cryogenic
™
Sliding-Stem Control Valves
Contents
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Introduction
Scope of Manual
This instruction manual includes installation, maintenance, and parts information for Fisher EZ-C, ET-C and EWT-C
valves (see figure 1). Refer to separate manuals for instructions covering the actuator and accessories.
Do not install, operate, or maintain EZ-C, ET-C or EWT-C valves 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
Partner before proceeding.
Description
EZ-C: globe-style, single-port, unbalanced valves with integral end connections, post guiding, metal-to-metal seating,
and quick-change trim. They feature stainless steel construction materials and fabricated extension bonnets.
ET-C and EWT-C: metal-to-metal seated globe-style, single-port, cage-guided, pressure-balanced valves featuring
stainless steel construction materials and fabricated extension bonnets.
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Figure 1. Typical Fisher Cryogenic Valve with
Extension Bonnet and 585C Series Actuator
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W6370
22
EZ-C, ET-C, and EWT-C Valves
Emerson sales office
or Local Business
July 2017
Table of Contents
Related Manuals for Emerson Fisher EZ-C
Summary of Contents for Emerson Fisher EZ-C
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Page 1: Table Of Contents
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 or Local Business Partner before proceeding. -
Page 2: Specifications
Instruction Manual EZ-C, ET-C, and EWT-C Valves July 2017 D102175X012 Table 1. Specifications Valve Sizes Material Temperature Capability EZ‐C: NPS J 1, J 1-1/2, J 2, J 3, and J 4 EZ‐C: -198 to 149_C (-325 to 300_F) ET‐C: NPS J 3, J 4, J 6, and J 8 ET‐C and EWT‐C: EWT‐C: NPS J 6X4 , J 8X4, J 8X6, J 12X6, and... -
Page 3: Educational Services
8, 10X8 25.4 87003 19560 Educational Services For information on available courses for Fisher EZ-C, ET-C, and EWT-C valves, 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: [email protected] emerson.com/fishervalvetraining... - Page 4 However, in no case should the angle be so flat as to allow liquid inside the bonnet to come in contact with the packing. For mounting assistance, consult your Emerson sales office or Local Business Partner.
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Page 5: Maintenance
Instruction Manual EZ-C, ET-C, and EWT-C Valves D102175X012 July 2017 Maintenance Valve parts are subject to normal wear and must be inspected and replaced as necessary. Inspection and maintenance frequency depends on the severity of service conditions. This section includes instructions for packing maintenance and trim maintenance. - Page 6 Instruction Manual EZ-C, ET-C, and EWT-C Valves July 2017 D102175X012 Figure 3. Double PTFE V‐Ring Packing Arrangements UPPER WIPER (KEY 12) PACKING FOLLOWER (KEY 13) FEMALE ADAPTER PACKING RING MALE ADAPTER LANTERN RING (KEY 8) PACKING BOX RING (KEY 11) LOWER WIPER 12.7 mm 19.1, 25.4, OR 31.8 mm...
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Page 7: Packing Maintenance
Instruction Manual EZ-C, ET-C, and EWT-C Valves D102175X012 July 2017 Packing Maintenance This section covers PTFE V‐ring, double PTFE, and graphite packing used in extension bonnets (figures 2, 3, and 4). Note If the valve has ENVIRO‐SEAL live‐loaded packing installed, refer to the instruction manual ENVIRO‐SEAL Packing System for Sliding Stem Valves for packing instructions. - Page 8 6, 8X6, or 12X6 8 or 10X8 1. Determined from laboratory testing. 2. For bolting materials not listed in table 4, contact your Emerson sales office or Local Business Partner for torque information. 3. SA193‐B8M strain hardened. 4. Hot rolled.
- Page 9 Personal injury or damage to equipment could occur if improper stud and nut materials or parts are used. Do not operate or assemble this product with stud(s) and nut(s) that are not approved by Emerson/Fisher engineering and/or listed on the serial card provided with this product.
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Page 10: Trim Maintenance
Instruction Manual EZ-C, ET-C, and EWT-C Valves July 2017 D102175X012 14. Lubricate the bolting with anti‐seize lubricant and install it, using accepted bolting procedures during tightening, so that the body‐to‐bonnet joint will withstand test pressures and application service conditions. Use the bolt torques in table 4 as guidelines. -
Page 11: Ez-C Trim Assembly
Instruction Manual EZ-C, ET-C, and EWT-C Valves D102175X012 July 2017 Figure 5. Fisher EZ‐C Valve Stem Torque and Pin Replacement VALVE STEM STEM TORQUE DRILL SIZE, DIMENSION INCHES Inch Lbf‐ft Inch 40‐47 25‐35 3/32 0.625 12.7 81‐115 60‐85 0.75 GROOVE PIN 19.1 237‐339 175‐250... -
Page 12: Et-C And Ewt-C Trim Disassembly
Instruction Manual EZ-C, ET-C, and EWT-C Valves July 2017 D102175X012 1. Screw the valve stem (key 7) into the valve plug (key 2). Tighten to the torque valve given in figure 5. Refer to figure 5 to select the proper drill size. Drill through the stem using the hole in the valve plug as a guide. Remove any chips or burrs and drive in a new pin (key 8) to lock the assembly. -
Page 13: Et-C And Ewt-C Valve Plug Maintenance
Instruction Manual EZ-C, ET-C, and EWT-C Valves D102175X012 July 2017 1. Remove the actuator and the bonnet according to steps 1 through 9 of the Replacing Packing procedure in the Maintenance section. WARNING To avoid personal injury due to leaking fluids, avoid damaging gasket sealing surfaces. The surface finish of the valve stem (key 7) is critical for making a good packing seal. -
Page 14: Et-C And Ewt-C Trim Assembly
WARNING Use only genuine Fisher replacement parts. Components that are not supplied by Emerson Automation Solutions should not, under any circumstances, be used in any Fisher valve, because they may void your warranty, might adversely affect the... -
Page 15: Parts Kits
Instruction Manual EZ-C, ET-C, and EWT-C Valves D102175X012 July 2017 Parts Kits Gasket Kits Includes keys 10, 12, 13, and 25 for EZ‐C valves. Includes keys 10, 12, 13, and 51 for ET‐C and EWT‐C valves. VALVE SIZE, NPS KIT PART NUMBER RGASKETX162 1-1/2 RGASKETX172... - Page 16 Instruction Manual EZ-C, ET-C, and EWT-C Valves July 2017 D102175X012 ENVIRO‐SEAL Packing Repair Kits Repair kits include parts to replace the “soft” packing materials in valves that already have ENVIRO‐SEAL packing arrangements installed or in valves that have been upgraded with ENVIRO‐SEAL retrofit kits. Refer to figure 6 for key numbers for PTFE and Graphite ULF packing.
- Page 17 Instruction Manual EZ-C, ET-C, and EWT-C Valves D102175X012 July 2017 Figure 7. Extension Bonnet Assembly 44B8565‐A NOTE: KEY 6 CONTAINS SEVERAL PARTS; REFER TO FIGURES 2, 3, AND 4 FOR PACKING ARRANGEMENTS. Keys 6* and 7* Packing Box Parts STEM DIAMETER, mm (INCHES) DESCRIPTION 9.5 (3/8) 12.7 (1/2)
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Page 18: Parts List
Seat Ring Retainer, CF8M (316 SST) Part numbers are shown for recommended spares only. For part (Part numbers for Seat Ring Retainer/Bushing Assemblies are numbers not shown, contact your Emerson sales office or Local Business provided in a following table) Partner. - Page 19 Instruction Manual EZ-C, ET-C, and EWT-C Valves D102175X012 July 2017 Figure 8. Fisher EZ‐C Valve Assembly 16A1943‐A GASKET DETAIL APPLY LUBRICANT NOTE: EZ-C KEY NUMBERS NOT SHOWN ARE: 18, 19, 33, AND 34. 44B8573‐B...
- Page 20 Instruction Manual EZ-C, ET-C, and EWT-C Valves D102175X012 July 2017 Key 2* Fisher EZ‐C Equal Percentage (Including Micro‐Form), Linear, and Quick‐Opening Valve Plugs VALVE STEM PORT DIAMETER VALVE PLUG MATERIAL CONNECTION VALVE SIZE, NPS VALVE PLUG STYLE S31600 w/CoCr‐A (alloy 6) S31600 w/CoCr‐A Inch Inch...
- Page 21 Instruction Manual EZ-C, ET-C, and EWT-C Valves D102175X012 July 2017 Key 7* Fisher EZ‐C Valve Stem, S20910 (Use W/Group 1 Actuators) STEM DIAMETER VALVE SIZE, NPS 9.5 mm (3/8 Inch) 12.7 mm (1/2 Inch) 12.7 x 9.5 mm (1/2 x 3/8 Inch) 19.1 mm (3/4 Inch) 1 and 1-1/2 10A8823XM72...
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Page 22: Et-C And Ewt-C Valve Body Parts
Note Seat Ring Gasket Part numbers are shown for recommended spares only. For part NPS 3, S31600/graphite 1R3481X0052 numbers not shown, contact your Emerson sales office or Local Business NPS 4, 6X4, 8X4, S31600/graphite 1J5047X0062 Partner. NPS 6, S31600/graphite 1U5086X0032... -
Page 23: D102175X012 July
Instruction Manual EZ-C, ET-C, and EWT-C Valves D102175X012 July 2017 Figure 9. Fisher ET‐C and EWT‐C Valve Assembly STD TRIM WHISPER TRIM CAVITROL TRIM 54B8568‐C FLOW DIRECTION 54B8568‐C FLOW UP FLOW DOWN VIEW A 16A1943‐A ALL CONSTRUCTIONS EXCEPT NPS 8 AND 10X8 54B8579‐B FOR NPS 8 AND 10X8 CONSTRUCTIONS... - Page 24 Fisher and ENVIRO-SEAL are marks owned by one of the companies in the Emerson Automation Solutions business unit of Emerson Electric Co. Emerson Automation Solutions, Emerson, and the Emerson logo are trademarks and service marks of Emerson Electric Co. All other marks are the property of their respective owners.