Read suction and discharge gauges – difference between these readings indicates churn pressure, which should match churn pressure as shown on pump nameplate (record on test sheet). Observe packing glands for proper leakage for cooling of packing (note on test sheet).

A. NO-FLOW (CHURN) FIRE PUMP TEST Yes No 1. Start the pump automatically by reducing water pressure at control switch? (Auto timer may be substituted for the starting procedure) 2. Run pump, without water flow, for (10 min elec)(30 min diesel) 3. Qualified person in attendance at all times the pump is operating? 4. Complete the checklists below ...

The weekly “churn” test verifies the operational status of fire pump and identifies deficiencies that may not be evident by visual examination. Verify start and stop settings on the pressure maintenance pump (jockey pump) by dropping the pressure in the jockey pump sensing line.

🔥 Fire Pump Sensing Churn Test Explained in 60 Seconds! 🚒 A Certified Fire Protection Specialist (CFPS) explains how to perform a fire pump churn test, pre...

What is a churn test on a fire pump? The churn test, also known as the no-flow test, is a fire pump examination without water flow. This procedure tests fire pump pressure and ensures the pump starts and runs correctly without water flow.

Apr 24, 2017 · The fire pump churn test is done by running the fire pump without the water flowing. The churn pressure is measured. A fire pump churn test should be performed weekly according to Allianz Risk Consultants as a safety precaution.

Aug 8, 2019 · The annual fire pump flow test is a full test of a pump’s capabilities and is arguably the most critical test. It is conducted once a year to measure flow and pressure and make sure the fire pump is ready to respond to a call to service.

Nov 29, 2024 · Perform a no-flow test (churn test) weekly to ensure the pump operates correctly. Operate weekly for at least 30 minutes to ensure the engine and associated systems are functioning properly. Conduct an annual flow test to verify …

Jul 24, 2024 · Weekly no-flow “churn” testing verifies the operability of a fire pump, confirming it can start when activated and handle the added pressure without overheating. During weekly no-flow “churn” testing the minimum run time for a diesel fire pump is 30 minutes.

According to NFPA 25, fire pumps must be tested on both a monthly and annual basis to ensure that they will perform as designed. These two different tests are referred to as a monthly “churn” test and an annual flow test.