Leaders in Flexible Drops

Two weeks ago we covered Benefits and drawbacks of flexible sprinkler drops, and last week we covered Considerations with flexible sprinkler drops. This week we offer a summary of industry leaders in the U.S. market with flexible drop technology. Know someone we're missing? Contact us so we can be sure to provide a thorough summary.

Summary of Leaders in Flexible Drop Technology in the U.S. Market

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Supplier	Lengths (inches)	Approvals​	Max. Sprinkler K-Factors	Bend at Nut?	Max 90 Deg. Bends (applicable sizes)	Min. Bend Radius	Source / Website / Pressure Loss
EasyFlex	24, 36, 48, 60, 72	UL/FM	K5.6 for 1/2" outlet (UL/FM) K8.0 for 3/4" outlet (UL/FM)	No bend within 2.52 inches from connection nut	1 (24) 2 (36) 3 (48) 4 (60, 72)	4 inch (UL) 8 inch (FM)	Link
FlexHead	24, 36, 48, 60, 72	UL/FM	K5.6 for 1/2" outlet (UL/FM) K14.0 for 3/4" outlet (UL/FM) K22.4 for 1" outlet (FM)	No limit	3 (24, 36) 4 (48, 60, 72)	3 inch (UL) 8 inch (FM)	Link
Sidewinder	30, 48, 60	FM	None Listed	Not within 2.5" of connection nut or reducer	3 (30, 48, 60)	6 inches (FM)	Link
SprinkFlex	28, 40, 48, 59, 71	UL/FM	K8.0 for 1/2" reducer (UL) K11.2 for 3/4" reducer (FM) K5.6 for 1/2" outlet (FM) K8.0 for 3/4" reducer (FM)	Not within 2" of connection nut	2 (28) 3 (40, 48, 59, 71)	3 inch (UL) 8 inch (FM)	Link
​VicFlex	31, 48, 60, 72	UL/FM	K8.0 for 1/2" reducer (UL) K14.0 for 3/4" reducer (FM) K5.6 for 1/2" outlet (FM) K14.0 for 3/4" reducer (FM)	No limit	3 (31) 4 (36, 48, 60) 5 (72)	2 inch (UL) ​7 inch (FM)	Link

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