B-1
Appendix B: CNEx/IECEx Conditions of Certification
The Maxxum® Submersible Turbine Pump Assemblies have China certification under CCC Certificate
Number 2021312302000036 and shall be marked with the following information:
Manufacturer:
Veeder-Root Company
2709 Route 764
Duncansville, PA 16635 U.S.A.
Marking:
Type Series
Serial Number
Year of Construction
IECEx 20.0129X
Ex db IIA T4 Gb
CNEx 20.1534X
Ex d IIA T4 Gb
Ex b c d IIA T4 Gb
Instructions
1. All submerged turbine pumps, manifolds and associated equipment shall be installed in accordance with the manufacturer’s
installation, operation and service manuals supplied.
2. All submerged turbine pumps can only be mounted and used in the vertical, upright position.
3. All installations shall provide reliable electrical connection between the pump/motor, frame, pipe, manifold or junction box
and the tank structure for the electrical protection and equipotential bonding.
4. Use suitable certified cable gland as entry device when equipment is installed in accordance with the requirement of
GB3836.1-2010, GB3836.2-2010, and the connector should be Ex d IIA, Ex d IIB/IIC grade with 1” NPT thread, designed
for minimum 5 threads.
5. The ambient temperature range is -20° to 40°C.
6. Dry operation is forbidden, the minimum fuel level shall be set at least 30 mm above the highest product intake level at the
bottom of the pump motor.
7. The installation, operation and maintenance should be in accordance with the manual, GB3836.15-2000 Electrical
Apparatus for Explosive Gas Atmospheres - Part 15: Electrical Installation in hazardous areas (other than mines),
GB3836.13-2013 Electrical Apparatus for Explosive Gas Atmospheres - Part 13: Equipment repair, overhaul and
reclamation.
8. Fasteners securing the discharge head are non-metric. They shall be replaced only by part numbers 579025-004 for the
discharge head and 026-750-1 for the extracta head.
9. The flameproof dimensions are detailed in certification drawing number 410795-001 and shall not be repaired.
10.Compliance with the International Electrotechnical Commission IECEx has been assured by compliance with IEC 60079-0
Ed. 7.0 and IEC 60079-1 Ed. 7.0.
Содержание Maxxum Big-Flo 6
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