Normal Maintenance

Clarke Sales / Backflow Prevention Device Tester

P.O Box 220114 Newhall Ca 91322

Design

Integrity

27899 Smyth Drive, Valencia Ca 91355

Phone (661) 294-0901 Fax (661) 294-1175

Assurance

Call Today For Your Free Consultation

Where Innovative Minds Meet Real World Needs

Normal Maintenance operations are required on a regular basis in order for the equipment to continue proper function. Operations such as cleaning, calibrating, and flushing are included in this group. Repair of damage, wear, or malfunctions are not included in this section. Normal Maintenance times vary significantly depending on the water quality, the duty cycle, and environmental factors. The table below provides general guidelines. Begin with the shortest time frame. If the maintenance is not needed, double the time frame for the next cycle. Keep doing this until the maximum time frame is met.

Equipment	Normal Maintenance Operation Test / Possible Maintenance required	Minimum Recommended Test Cycle	Maximum Recommended Test Cycle
Butterfly Valve	None	N/A	N/A
ACV	Debug Test / Flush or clean the pilotry & strainer	3 Months	1 Year
Backflow Preventer	Certified Backflow Test / Check Replacement	6 Months	1 Year
Strainer	Blow-Off	3 Months	1 Year