Appendix I—Bill of Materials for Underground Installations
Ref.
No.
Description
Size
Remarks
Model
12, 15
Model
13, 14
1
Schedule 80 pipe
1"
1-1/4"
2
Man way cover
Existing
3
Ball valve, full port
1"
1-1/4"
Manual or remote control
4
Corken Coro-Flo pump
12
13 or 14
With appropriate motor
5
1/4" NPT pressure gauge
0-400 psig (0-28 bar g)
6
Corken B166 by-pass valve
1"
1"
With spring code C
7
1/4" NPT hydrostatic relief valve
Set at 450 psig (31 bar g)
8
In-line excess flow valve
Closing flow of 10-15 gpm (37-57 L/min)
9
Back pressure check valve
Corken Flo-Chek valve
10
By-pass return line valve
Existing
11
Eccentric reducer if required
Warning:
1.0 No excess flow valves on the tank’s liquid outlet connections are shown in these schematics. If local
regulations require the use of excess flow valves, its closing flow should be approximately 1.5 times higher
than the pump’s rated capacity for the operational conditions.
2.0 Periodic inspection and maintenance of Corken products is essential.
3.0 Only experienced, trained and qualified personnel must make inspection, maintenance and installation of
Corken products.
4.0 Maintenance, use and installation of Corken products must comply with Corken instructions, applicable laws
and safety standards such as NFPA 58 for LP-Gas and ANSI K6.1-1972 for Anhydrous Ammonia.
5.0 Transfer of toxic, dangerous, flammable or explosive substances using Corken equipment is at the user’s risk. Only
qualified personnel should operate Corken equipment according to the applicable laws and safety standards.
Corken, Inc. • A Unit of IDEX Corporation
3805 N.W. 36th St., Oklahoma City, OK 73112
Phone (405) 946-5576 • Fax (405) 948-7343
Visit our website at http://www.corken.com
or e-mail us at [email protected]
Printed in the U.S.A.
April 2015
Solutions beyond products...
@CorkenInc
www.northridgepumps.com
