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Fisherr ET, EAT, and ETR

Sliding-Stem Control Valves

Fisher ET, EAT, and ETR general-purpose control valves

(figures 1, 2, and 3) are used for throttling or on-off

controlofawidevarietyofliquidsandgases.Allthree

valve designs have single ports, balanced valve plugs,

and cage guiding. Metal-to-PTFE seating for stringent

shutoff requirements is standard in all valves except

those with Cavitrolt III cages. Metal-to-metal seating

forhighertemperaturesisstandardforvalveswith

Cavitrol III cages and optional for all other valves.

The temperature limits of ET valves can be extended

above 232_C(450_F) by using PEEK

(PolyEtherEtherKetone) anti-extrusion rings in

combination with a spring-loaded PTFE seal. The PEEK

anti-extrusion rings expand to close off the clearance

gapbetweentheplugandthecagewherethePTFE

seal may extrude at high temperatures and pressures.

The temperature limits are extended to 316_C (600_F)

for non-oxidizing service and to 260_C(500_F) for

oxidizing service.

The ET product line is available for a wide range of

applications, including sulfide and chloride

stress-cracking environments common to the oil and

gas production industries. To discuss available

constructions, contact your Emerson Process

Management sales o ffice and include the applicable

codes and standards required for these environments.

The easy-et Valve Family

ET, EAT, and ETR control valves are part of the versatile

easy-e family of Fisher industrial control valves. easy-e

valves share the following characteristics:

 Multiple trim material choices

 Interchangeable, restricted-capacity trims and

full-sized trims to match variable process flow

demands

FISHER ET CONTROL VALVE

WITH 667 ACTUATOR

W1916-3

 Different cage/plug styles that provide particular

flow characteristics for highly-specialized

applications. The standard cage comes in three

different flow characteristics:

J quick-opening,

J linear, or J equal percentage.

 Whisper Trimt I, Whisper Trim III (figure 6), and

WhisperFlot cages (figures 4 and 5) attenuate

aerodynamic noise in gaseous service.

 To help eliminate cavitation damage in a

properly-sized valve, a standard-travel, Cavitrol III,

one-stage cage (figure 8) and a long-travel, Cavitrol

III, two-stage cage are available in the NPS 1

throughNPS8ETcontrolvalve.

ET Valve

D100022X012

Product Bulletin

51.1:ET

December 2012

1 2 3 4 5 6 ... 27 28

Inhaltsverzeichnis

Seite 1 - Sliding-Stem Control Valves

www.Fisher.comFisherr ET, EAT, and ETRSliding-Stem Control ValvesFisher ET, EAT, and ETR general-purpose control valves(figures 1, 2, and 3) are used

Seite 2 - Features

ET ValveD100022X012Product Bulletin51.1:ETDecember 201210Table 5. Typical Combinations of Metal Trim Parts for All Valves Except Those for NACE MR0175

Seite 3

ET ValveD100022X012Product Bulletin51.1:ETDecember 201211Table 6. Cavitrol III(1)Metal Trim Part Materials and Body/Trim Temperature CapabilitiesTRIMD

Seite 4

ET ValveD100022X012Product Bulletin51.1:ETDecember 201212Table 8. Whisper Trim III Metal Trim Part Materials a nd Body/Trim Temperature Capabilities (

Seite 5

ET ValveD100022X012Product Bulletin51.1:ETDecember 201213Figure 6. Metal Seat and Whisper Trim III Cage in NPS6FisherETValveW2670BONNETSPACERCAGERETAI

Seite 6 - ANSI/FCI Class VI Shutoff

ET ValveD100022X012Product Bulletin51.1:ETDecember 201214Figure 10. ENVIRO-SEAL and HIGH-SEAL Packing SystemsW7018W8532-1FOLLOWERPACKINGBOXSTUDPACKING

Seite 7

ET ValveD100022X012Product Bulletin51.1:ETDecember 201215Figure 11. Typical Trim for All Valves Except Those with Cavitrol III, Whisper Trim III, or W

Seite 8

ET ValveD100022X012Product Bulletin51.1:ETDecember 201216Figure 12. Typical Trim for Cavitrol III Cage ConstructionsNotes:Do not exceed the maximum pr

Seite 9

ET ValveD100022X012Product Bulletin51.1:ETDecember 201217Table 9. Materials and T emperature Limits for Other PartsPART MATERIALTEMPERATURE CAPABILITI

Seite 10 - Product Bulletin

ET ValveD100022X012Product Bulletin51.1:ETDecember 201218Table 9. Materials and Temperature Limits for Other Parts (continued)PART MATERIALTEMPERATURE

Seite 11

ET ValveD100022X012Product Bulletin51.1:ETDecember 201219Table 11. Bonnet Selection GuidelinesBONNET STYLE PACKING MATERIALIN-BODY PROCESS TEMPERATURE

Seite 12

ET ValveD100022X012Product Bulletin51.1:ETDecember 20122Features Compliance with the Clean A ir Act–ENVIRO-SEAL™packing systems (figures 9 and 10) th

Seite 13

ET ValveD100022X012Product Bulletin51.1:ETDecember 201220Table 1 3. Port Diameters and Valve P lug TravelVALVE SIZE, NPSPORTDIAMETER(1)MAXIMUM VALVEPL

Seite 14

ET ValveD100022X012Product Bulletin51.1:ETDecember 201221Table 1 5. Port Diameters and Valve P lug Travel for Cavitrol III CageETVALVE SIZE, NPSONE-ST

Seite 15

ET ValveD100022X012Product Bulletin51.1:ETDecember 201222Table 16. Port Diameters, Valve Plug Travel, Yoke Boss Diameters for TSO (Tight Shutoff) Trim

Seite 16

ET ValveD100022X012Product Bulletin51.1:ETDecember 201223Table 17. Metal Trim Part Materials for Compatibility with NACE MR0175 / ISO 15156 and MR0103

Seite 17

ET ValveD100022X012Product Bulletin51.1:ETDecember 201224Table 19. Fisher ET and ETR DimensionsVALVESIZE, NPSA G(MAX)Pressure Rating, End Connection S

Seite 18

ET ValveD100022X012Product Bulletin51.1:ETDecember 201225Table 20. Fisher ET and ETR DimensionsVALVESIZE,NPSD FOR PLAIN BONNETET Exceptwith Cavitrol I

Seite 19

ET ValveD100022X012Product Bulletin51.1:ETDecember 201226Table 2 2. Fisher EAT Dimensions(1)VALVESIZE,NPSAACL150 CL300 CL600RF RTJ RF RTJ BW, SW or RF

Seite 20

ET ValveD100022X012Product Bulletin51.1:ETDecember 201227Ordering InformationInlet pressure and temperature must always be limitedby the applicable AS

Seite 21

ET ValveD100022X012Product Bulletin51.1:ETDecember 201228Emerson Process ManagementMarshalltown, Iowa 50158 USASorocaba, 18087 BrazilChatham, Kent ME4

Seite 22

ET ValveD100022X012Product Bulletin51.1:ETDecember 20123SpecificationsAvailable ConfigurationsET: Single-port, globe-style control valve with cageguid

Seite 23

ET ValveD100022X012Product Bulletin51.1:ETDecember 20124Specifications (continued)Port Diameters and Maximum Valve Plug TravelsSee tables 13 and 15Yok

Seite 24

ET ValveD100022X012Product Bulletin51.1:ETDecember 20125Table 1. Available ConstructionsVALVEVALVE SIZE,NPSVALVE BODY MATERIAL AND END CONNECTION STYL

Seite 25

ET ValveD100022X012Product Bulletin51.1:ETDecember 20126ENVIRO-SEAL, HIGH-SEALPacking SystemsENVIRO-SEAL and HIGH-SEAL packing systems offerexceptiona

Seite 26

ET ValveD100022X012Product Bulletin51.1:ETDecember 20127Figure 1. Fisher ET Sectional with Standard CagesSEAL RINGNPS 6 OR 8 ETW2914-1RETAININGRINGMET

Seite 27 - Ordering Information

ET ValveD100022X012Product Bulletin51.1:ETDecember 20128Figure 2. Fisher EAT SectionalW0972-3Figure 3. Fisher ETR SectionalW1557-4Figure 4. Typical Va

Seite 28

ET ValveD100022X012Product Bulletin51.1:ETDecember 20129Figure 5. Typical WhisperFlo CageW7065W6851-1

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