FM Approvals has been made aware of failures and cracking of diesel engine fire pump flywheel adapter plates manufactured by Centa and utilized by SPP UK.
Company Identity: SPP Pumps Ltd.
Address: 1420 Lakeview, Arlington Business Park, Theale, Reading, Berkshire, England RG7 45A
Contact information: Tel: +44 (0) 1189 32 32 31 23
Model: SPP Pumps Ltd. Pump packages driven with diesel engines 250hp and larger with Centaflex Model A coupling sizes 140 and 200.
Date Codes Affected: SPP pump packages manufactured between June 2014 and January 2018. (See Figure 2).
FM Approval Status: Some of the pumps discussed in this Product Alert are FM Approved.
Hazard Involved: The adapter plate, when subjected to coupling misalignment, may result in a catastrophic failure (See Figure 3). The failure results in the loss of power transmission between the diesel engine and the fire pump. This failure will result in the loss of the water supply to the automatic sprinkler system. Additionally – This failure mechanism creates a personnel safety hazard. Portions of the engine adapter plate and coupling may become dislodged and eject at high velocity.