
ATEX Declaration
Waukesha Cherry-Burrell
®
Brand Universal 3 Pump
Page 130
95-03103
02/2021
ATEX Declaration for Universal 3
1. The ATEX declaration of incorporation must be included with the order. The declaration on the next page
is not valid but is supplied for example purposes only. Please see the certificate you received with your
order for your serial number.
2. The sight glass in the gear case is not approved; black plugs must be installed on all drain/level ports.
3. Only Waukesha Cherry-Burrell brand spare parts are allowed to be installed into the pump. Use of non-
Waukesha Cherry-Burrell brand parts will void ATEX approval.
4. For ATEX applications, the maximum operating temperature of the pump is 220°F (108°C).
5. The pumps must be supplied with a double mechanical seal with flush in the following cases:
•
In connection with all T4 approvals
•
If media viscosities are higher than 200cP
•
Flushing media requirements for double mechanical seals:
-
Flow: minimum 0.13 gpm (0.5 l/min)
-
Temperature: maximum 104°F (40°C)
-
Pressure, atmosphere side: maximum 218 psi (15 bar)
-
Viscosity: maximum 10cP
-
Differential pressure from atmosphere to product side: maximum 102 psi (7 bar)
6. T2 classification allows for either single or double mechanical seals.
Nameplates
Pump identification
The standard pump nameplate identifies the pump model, date of
manufacture, and serial number. See Figure 226.
In addition to the standard pump nameplate, an ATEX pump has
ATEX nameplate identifying the operating conditions for explo-
sive environments. See Figure 227.
Hazard class identification
See Figure 227.
II Equipment
group
2
Equipment category (zone 1 and 2)
G
Hazardous Gas Atmosphere.
h
Constructional Safety 'c' and Liquid Immersion 'k'
IIB
Ethylene and related gas environment.
T4
Temperature class to max. < 275°F (135°C)
T2
Temperature class to max. <572°F (300°C)
Gb
Equipment Protection Level for Category 2G
The ambient temperature should be between -4°F and 104°F
(-20°C and 40°C). If not, contact SPX FLOW Application Engi-
neering.
Figure 226 - Standard pump
nameplate
Figure 227 - ATEX Nameplates
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