14
WCB_D4_D4SL_sch5_US.indd
D4 / D4 SL Schedule 5 Series
Double Seat Mix Proof Valves
Instruction Manual: US - rev. 0
Waukesha Cherry-Burrell
®
brand D4 / D4 SL Schedule 5 Valves
9. Technical Data
9.1.
General data
Product-wetted parts
AISI 316L (1.4404)
(DIN EN 10088)
Other parts
AISI 304 (1.4301)
(DIN EN 10088)
Seals
standard
EPDM/ PTFE compound
options
HNBR/ PTFE compound
FPM/ PTFE compound
Max. line pressure
145 psi (10 bar)
Max. operating temperature
275°F
(135°C)
EPDM, HNBR
*FPM
Short-term load
284°F
(140°C)
EPDM, HNBR
*FPM
*no steam
Tightening torque for stop sleeve
7 ft-lb (10 Nm)
Tightening torque for safety nuts at
lower and upper valve shaft
29 ft-lb (40 Nm)
Spray connection
PP
Ø Cleaning connection
DN 40–100/1.5-4"
0.315 x 0.039" (8x1 mm)
Ø Air connection
1/4" OD
Max. pneumatic air pressure
116 psi (8 bar)
Min. pneumatic air pressure
72 psi (5 bar)
9.2.
Compressed air quality
Quality class
acc. to DIN ISO 8573-1
Content of solid
particles
quality class 3,
max. size of solid particles per m³ 10000 of
0.5 µm < d < 1.0 µm
500 of 1.0 µm < d < 5.0 µm
Content of water
quality class 3,
max. dew point temperature -20°C
For installations at lower temperatures or at
higher altitudes, consider additional measures to
reduce the pressure dew point accordingly.
Content of oil
quality class 1, max. 0.01 mg/m³
The oil applied must be compatible with Polyurethane elastomer
materials.
