EDR and ETR Valves
Instruction Manual
Form 5050
August 2006
2
Table 1. Specifications
Available Valve Constructions
See table 2
End Connection Styles
Cast Iron Valves
Flanged: Class 125 flat-face or 250 raised-face
flanges per ASME B16.1
Screwed: Consistent with ASME B16.4
Steel and Stainless Steel Valves
Flanged: Class 150, 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 Class
600 per ASME B16.34
Buttwelding: Consistent with ASME B16.25
Maximum Inlet Pressure
(1)
Cast Iron Valves
Flanged: Consistent with Class 125B or 250B
pressure-temperature ratings per ASME B16.1
Screwed: Consistent with Class 250
pressure-temperature ratings per ASME B16.4
Steel and Stainless Steel Valves
Flanged: Consistent with Class 150, 300, and
600
(2)
pressure-temperature ratings per ASME
B16.34
Screwed or Welding: Consistent with Class 600
pressure-temperature ratings per ASME B16.34
Shutoff Classification
Design EDR: ANSI/FCI 70-2 and IEC 60534-4
Class II (standard); Class III for valves with a
graphite piston ring and 78 mm (3.4375 inch) or
larger port diameter
Design ETR: Standard air test
(0.05 mL/minute/psid/inch of port diameter) using
air at service pressure drop or 3.5 bar (50 psi),
whichever is lower; or ANSI/FCI 70-2 and
IEC 60534-4 Class V (optional) with PTFE seats;
Class IV or V (optional) with metal seats
Flow Characteristics
Linear (all cages), quick-opening, or equal
percentage
Flow Directions
Linear, Quick Opening, or Equal Percentage
Cage: Normally up,
Whisper Trimr I Cage: Always down
Approximate Weights
VALVE SIZE,
INCHES
WEIGHT
kg Pounds
1 & 1.25
1.5
2
2.5
3
4
14
20
39
45
54
77
30
45
67
100
125
170
1. The pressure/temperature limits in this manual and any applicable standard or code limitation for the valve should not be exceeded.
2. Certain bonnet bolting material selections may require a Class 600 easy-e valve assembly to be derated. Contact your Emerson Process Management sales office.
Table 2. Available Valve Constructions
DESIGN
VALVE
SIZE,
INCHES
VALVE MATERIAL AND END CONNECTION STYLE
Carbon Steel, Alloy Steel, or Stainless Steel Valve Cast Iron Valve
Screwed
RF or RTJ Flanged
Butt-
welding
Socket
Weld
Screwed
Class 125B
FF Flanged
Class 250B
RF Flanged
Class 150 Class 300 Class 600
EDR
1, 1.5, or 2
1.25
2.5, 3, or 4
X
X
- - -
X
- - -
X
X
- - -
X
X
- - -
X
X
- - -
X
X
- - -
- - -
X
X
- - -
X
- - -
X
X
- - -
X
ETR
1, 1.5, or 2
1.25
2.5, 3, or 4
X
X
- - -
X
- - -
- - -
X
- - -
- - -
X
- - -
- - -
X
- - -
- - -
X
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
X = Available Construction
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