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Telephone: (718) 451-2000
Email: general@federalpumps.com


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Pump ModelSimplex or DuplexMin. Pump Removal Hole SizeMin. Hinged Door Size (Type Q,K, J)Min. Square Pit SizeMin. Round Pit Dia.
VSS-QD-4ASimplex16 x 2224 x 2424 x 3642
VSS-QD-4ADuplex40 x 2242 x 4242 x 3654
VSS-QD-4C and 4ESimplex20 x 2630 x 3024 x 4242
VSS-QD-4C and 4EDuplex44 x 2630 x 4842 x 4254
1. All dimensions are in inches unless otherwise noted.
2. Dimensions shown are not to be used for construction purposes unless certified.
3. Pit sizes and opening sizes are minimums. Actual sizes must be determined by job conditions.
4. Guide rails must be installed in perfectly vertical position. Use plumb line to correctly position the pump base.
5. Pump discharge check valves and gate valves should be installed on horizontal or 45 inch lines. Installation on vertical lines is not recommended.
6. The VSS-QD guide rail is an ASTM Std. 4 inch wide-flange beam (4 inch H-column).