Description - Emerson Fisher ET Instruction Manual

ET Valve
November 2017
Table 1. Specifications
End Connection Styles
Cast Iron Valves
Flanged: CL125 flat‐face or 250 raised‐face flanges per
ASME B16.1
Steel and Stainless Steel Valves
Flanged: CL150, 300, and 600 raised‐face or ring‐type
joint flanges per ASME B16.5
Screwed or Socket Welding: All available ASME B16.11
schedules that are consistent with CL600 per ASME
B16.34
Buttwelding: Consistent with ASME B16.25
Maximum Inlet Pressure
Cast Iron Valves
Flanged: Consistent with CL125B or 250B
pressure‐temperature ratings per ASME B16.1
Steel and Stainless Steel Valves
Flanged: Consistent with CL150, 300, and 600
pressure‐temperature ratings per ASME B16.34
Screwed or Welding: Consistent with CL600
pressure‐temperature ratings per ASME B16.34
Shutoff Classifications
See table 2
1. The pressure/temperature limits in this manual and any applicable standard or code limitation for valve should not be exceeded.
2. Certain bonnet bolting material selections may require a CL600 easy‐e valve assembly to be derated. Contact your
Table 2. Available Shutoff Classifications per ANSI/FCI 70‐2 and IEC 60534‐4
Valve
All except those with Cavitrol III cages
ET with Cavitrol III one‐stage cage
ET with Cavitrol III two‐stage cages
ET w/PEEK Anti‐Extrusion Rings
ET w/ 3.4375 to 7‐inch port
ET and EAT w/ TSO (Tight Shutoff Trim)
1. This is a special non‐ANSI/FCI leakage class.
2. Class V shutoff requires spring‐loaded seal ring, radiused‐seat plug, and wide‐bevel seat ring (not available with 8‐inch port, quick‐opening cage). Not available with trims 4, 29, and 85.

Description

These single‐port valves have cage guiding, quick‐change trim, and balanced push‐down‐to‐close valve plug action.
Valve configurations are as follows:
ET‐‐Globe‐style valve (figure 1) with metal‐to‐PTFE seating (standard for all except Cavitrol III cages) for stringent
shutoff requirements, or metal‐to‐metal seating (standard for Cavitrol III cages, optional for all others) for higher
temperatures.
2
(1)
(2)
Replaceable, protected soft seat
Flow Characteristics
Linear (all cages), quick‐opening (all except Whisper
Trim ™ , WhisperFlo
percentage (all except Whisper Trim, WhisperFlo, and
Cavitrol cages)
Flow Directions
Linear, Quick Opening, or Equal Percentage Cage:
Normally down
Whisper Trim and WhisperFlo Cages: Always up
Cavitrol Cage: Always down
Approximate Weights
VALVE SIZE, NPS
1 and 1‐1/4
1‐1/2
2
2‐1/2
3
4
6
8
Emerson sales office
Seating
PTFE (standard)
Metal
Metal
Metal
Metal
Soft or Metal
Instruction Manual
D100398X012
™ , and Cavitrol ™ cages), or equal
WEIGHT
kg Pounds
14
20
39
45
54
77
159
408
or Local Business Partner.
Shutoff Class
V ‐ air test
V ‐ water test (optional)
IV
(2)
V (optional)
IV (standard)
V (optional)
V
V to 316_C (600_F)
VI
(1)
TSO
30
45
67
100
125
170
350
900