Educational Services; Installation - Emerson Fisher EWD Instruction Manual

EW Valve
July 2017
Table 2. Shutoff Classification Per ANSI/FCI 70‐2 and IEC 60534‐4
Valve
EWD
EWS
EWS
EWT with all except
Cavitrol III cages
EWT with
1‐stage Cavitrol III cage
EWT with 2‐stage Cavitrol III cage
1. Class V shutoff for EWT requires spring loaded seal ring, radius‐seat plug, wide‐bevel seat ring, and seat lapping. Not available with 8‐inch port, quick‐opening cage. Not available with
S31600 (316 SST) valve plug and seat ring.
Table 3. Additional Shutoff Classification for C‐seal Trim Per ANSI/FCI 70‐2 and IEC 60534‐4
Valve Valve Size, NPS
EWD
(CL300, CL600)

Educational Services

For information on available courses for the Fisher EW 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

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 or bursting of parts 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.
4
Seating
Metal
II (standard)
III (optional for NPS 6x4 through 12x6 valves with optional single graphite piston ring or for
NPS 10x8 and 12x8 valves with optional double piston rings)
IV (optional for NPS 6x4 through 12x8 valves with optional multiple graphite piston rings)
Metal
IV (standard)
V (optional, consult your
PTFE VI
PTFE Standard Air Test (maximum leakage is 0.05 mL/min/psid/inch port diameter)
V (optional)
Metal IV (standard)
Metal V (optional)
Metal
IV (standard)
V (optional)
Metal V
Port Diameter, Inches
6x4x2‐1/2 2.875
6x4
4.375
8x4
8x6 and 12x6 5.375
8x6
12x6
10x8
12x8
Emerson sales office
(1)
Equal Percentage, Linear, Whisper I,
Cavitrol III (2‐stage)
Equal Percentage, Linear, Whisper I,
Cavitrol III (1‐stage)
Whisper III (A3, B3, D3, D3), Cavitrol III (2‐stage)
Equal Percentage, Linear, Whisper I,
7
Cavitrol III (1‐stage)
Equal Percentage, Linear, Whisper I,
8
Cavitrol III (1‐stage)
Instruction Manual
Shutoff Class
or Local Business Partner)
Cage Style
D100399X012
Leakage Class
V (for port
diameters from 2.875
through 8‐inch with
optional C‐seal trim)