Does anyone have the original factory bench test curve (or the OEM spec from 
the time of installation) for comparison?

Steve

From: Fpdcdesign <[email protected]>
Sent: Wednesday, October 15, 2025 12:50 PM
To: Sprinklerforum <[email protected]>
Subject: [Sprinklerforum] Pump requirement at 150% flow

I received and was asked to comment on a test report from a pump that failed. 
The pump is an electric 1000 gpm at 100 psi unit.

One of the curious things on the report is that they are looking for 78% of 
rated pressure at 150% rated flow. NFPA 20 calls for 65%. Before I shoot my 
mouth off, is there any justification for this?

Todd G Williams, PE
Fire Protection Design/Consulting
Stonington, CT
860-535-2080<tel:860-535-2080> (ofc)
860-554-7054<tel:860-554-7054>  (fax)
860-608-4559<tel:860-608-4559> (cell)
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