SPX FLOW W70 Series - Seat Options; Pressure Ratings; W70 Series MIX Proof Actuator Air Volumes

Waukesha Cherry-Burrell
®
Brand W70 Series Mix Proof Valves Introduction
10/2023 95-03087 Page 11
Seat Options
For higher temperature applications than those listed, please con-
sult the factory.
Operating conditions such as flow rate and pressure must be con-
sidered when operating near the maximum temperature rating.
Contact the Factory for FFKM.
Pressure Ratings
W70 Series Mix Proof
Actuator Air Volumes
Non-Seat Lifting Actuators
Seat Lifting Actuators
Seat Type
Material / Maximum
Temp.
Tri Ring (TR)
Compression Seal:
Upper on W71/W72RS
Lower on W71/W73
EPDM
Operation:
275°F (135°C)
Sterile:
275°F (135°C)
or
Operation:
375°F (190°C)
Sterile:
Consult Factory
Radial: Lower on
W72RS/W72RSP
FKM
Seat Ring Insert
Compression Seal
Upper on W71/W73
Lower on W71/W73
Divert on W73
Tef-
Flow™ P
(gray in
color)
Operation 280°F
(137°C)
VA100-638
VA100-535
Valve Size Maximum Pressure at 70°F (21°C)
1.5" - 4" 150 psi (10.3 bar)
6" Contact factory
Size (dia.) Open
1.5" - 2" 0.015 ft³ (0.0004 m³)
2.5" - 4" 0.039 ft³ (0.0011 m³)
6" 0.055 ft³ (0.0016 m³)
Size (dia.) Open
Upper Seat
Clean
Lower Seat
Clean
1.5" - 2"
0.03 ft³
(0.0008 m³)
0.004 ft³
(0.0001 m³)
0.006 ft³
(0.0002 m³)
2.5" - 4"
0.07 ft³
(0.002 m³)
0.005 ft³
(0.0001 m³)
0.08 ft³
(0.002 m³)
6"
0.055 ft³
(0.0015 m³)
0.011 ft³
(0.0003 m³)
0.011 ft³
(0.0046 m³)