Series Ah1-Lp Flexible Hose Friction Loss Data (Ul) - Victaulic VicFlex I-VICFLEX Field Installation Handbook

SERIES AH1-LP FLEXIBLE HOSE FRICTION LOSS
DATA (UL)
• The following table contains UL friction loss data. Always refer to the applicable
"Listing and Approval Information – Flexible Hose and Bracket Combinations"
section to verify the listings/approvals for the particular flexible hose/bracket
combination.
Model
AH1-31-LP
AH1-36-LP
AH1-48-LP
AH1-60-LP
AH1-72-LP
3/4-inch/DN20 outlet data shown with K14.0 - For other K-factor friction loss data, refer to Victaulic
1
submittal 10.95. For the UL Listing, when the 48-inch/1220-mm length bracket is used with the
Series AH1-LP Flexible Hose, the maximum sprinkler K-factor is K8.0 and the maximum spacing is 30
inches/762 mm.
3-inch/76-mm minimum bend radius.
2
A higher number of bends may be permitted, provided the sum of degrees is equal to or less than the
3
total maximum allowable degrees of bends (e.g. Two 90° bends equal 180°.
Three 90° bends equal 270°). The minimum bend radius and maximum number of 90° offset (bends),
stated in these installation instructions, refer to the final installed condition of the hose.
NOTE: Differences in equivalent lengths are due to varying test methods, per UL 2443 standards. Refer
to these standards for additional information regarding friction loss test methods.
TECHNICAL DATA FOR FLEXIBLE HOSES REV_A
Length of
Flexible
Hose
inches/ Outlet Size
mm inches/Metric
31 DN15
790
DN20
DN15
36
915
DN20
48 DN15
1220
DN20
60 DN15
1525
DN20
72 DN15
1830
DN20
NOTICE
Equivalent Length
1-inch/DN25
Schedule 40 Pipe
1
feet/meters
1/2 37.0
11.3
3/4 44.0
13.4
1/2 47.0
14.3
3/4 53.0
16.2
1/2 58.0
17.7
3/4 68.0
20.7
1/2 70.0
21.3
3/4 77.0
23.5
1/2 83.0
25.3
3/4 99.0
30.2
of
Maximum
Number
2
of 90° Bends
I-VICFLEX_183
3
3
4
4
4
5
®