User Guide
easy-e Valves
Product Flier
PF51.1:E
July 2008
23
657 and 667 Actuators (Continued)
ET and EWT Valve: Flow Down
Maximum Inlet Pressure: Through EN PN 100 and ASME CL600
Maximum Shutoff Pressure Drop: As shown below unless limited by body
pressure-temperature rating or trim capabilities at high temperatures
Process Fluid Temperature: With plain bonnet, 18 to 204_C for soft seats and
to 232_C for metal seats
Ambient Temperature: 40 to 82_C with standard actuator materials; also refer
to temperature limits of accessories.
Valve and Bonnet: Cast iron, steel, or stainless steel
Trim: Any listed in this flier
Gaskets: Any listed in this flier
Packing: Single PTFE V-ring
Other Valve Parts: Steel or stainless steel
Valve Size or
Nominal Trim Size
Port
Diameter,
mm
Air to Close (657 ACtuator)
0 to 1.2 Bar (0 to 18 psig)
Air to Diaphragm Except Where Indicated
Air to Open (667 Actuator)
0 to 1.2 Bar (0 to 18 psig)
Air to Diaphragm Except Where Indicated
Metal Seat
Class IV Shutoff
Soft Seat
Class V Shutoff
Class IV Shutoff
Soft Seat
Class V Shutoff
DN NPS
Actuator
Size
Pressure
Drop, Bar
Actuator
Size
Pressure
Drop, Bar
Actuator
Size
Pressure
Drop, Bar
Actuator
Size
Pressure
Drop, Bar
25 1 or 1-1/4 33.3 34 99.3 34 99.3 34 99.3 34 99.3
40 1-1/2
33.3
47.6
34
34
99.3
99.3
34
34
99.3
95.0
34
34
99.3
99.3
34
34
99.3
94.9
50 2
33.3
58.7
40
45
99.3
99.3
40
45
99.3
99.3
40
45
99.3
99.3
40
45
99.3
99.3
65 2-1/2
47.6
73.0
40
45
99.3
86.9
40
45
92.2
78.7
40
45
99.3
86.9
40
45
92.2
99.3
80 3
58.7
87.3
45
45
99.3
61.7
45
45
99.3
59.8
45
45
99.3
61.7
45
45
99.3
59.8
100 4
73.0
111.1
45
45
86.9
46.7
45
45
78.7
48.6
45
99.3
60.9
(2)
45
- - -
(2)
99.3
59.2
(2)
150 6 177.8
60
- - -
(1)
99.3
49.8
(1)
60
70
92.5
65.0
70
- - -
(1)
99.3
99.3
(1)
70
70
99.3
65.0
200 8 203.2 - - -
(1)
9.2
(1)
- - -
(1)
81.8
(1)
- - -
(1)
79.8
(1)
- - -
(1)
99.3
(1)
1. Use a size 70 actuator with 0 to 2.4 bar (0 to 33 psig) air to diaphragm.
2. Use a size 45 actuator with 0 to 2.4 bar (0 to 33 psig) air to diaphragm.
EZ Valve: Metal Seat (Class IV Shutoff) or PTFE Seat (Class VI Shutoff, and Flow Up)
Maximum Inlet Pressure: Through EN PN 100 and ASME CL600
Maximum Shutoff Pressure Drop: As shown below unless limited by body
pressure-temperature rating or trim capabilities at high temperatures
Process Fluid Temperature: With plain bonnet, 18 to 232_C for soft seats
and 232_C for metal seats
Ambient Temperature: 40 to 82_C with standard actuator materials; also
refer to temperature limits of accessories
Valve and Bonnet: Cast iron, steel, or stainless steel
Trim: Any listed in this flier
Gaskets: Any listed in this flier
Packing: Single PTFE V-ring
Other Valve Parts: Steel or stainless steel
Valve Size
Port
Diameter,
mm
Air to Close (657 Actuator)
0 to 1.2 Bar (0 to 18 psig)
Air to Diaphragm Except
Where Indicated
Air to Open (667 Actuator)
0 to 1.2 bar (0 to 18 psig)
Air to Diaphragm Except
Where Indicated
DN NPS Actuator Size Pressure Drop, Bar Actuator Size Pressure Drop, Bar
25 and 40
1/2, 3/4, 1 and
1-1/2
6.4
9.5
12.7
19.1
25.4
30
30
30
34
34
99.3
99.3
99.3
76.5
34.1
30
30
30
34
34
99.3
99.3
99.3
76.5
40.2
40 1-1/2 38.1 34 15.4 34 15.4
50 2
6.4
9.5
12.7
19.1
25.4
38.1
50.8
40
40
40
45
45
45
45
99.3
99.3
99.3
99.3
58.3
23.4
11.8
40
40
40
45
45
45
45
99.3
99.3
99.3
99.3
58.3
23.4
11.8
80 3
50.8
76.2
45
- - -
(1)
3.2
7.1
(1)
45
- - -
(1)
11.8
10.1
(1)
100 4
50.8
101.6
45
- - -
(1)
11.8
3.2
(1)
45
- - -
(1)
11.8
2.7
(1)
1. Use a size 45 actuator with 0 to 2.4 bar (0 to 33 psig) air to diaphragm.