Specification Sheet

GAS APPLIANCE CONNECTORS
CONNECTOR MINIMUM FLOW CAPACITY CHARTS
PER ANSI Z21.24 / CSA 6.10 & ANSI Z21.75 / CSA 6.27*
NOTE: Connectors should be sized based upon the appliance gas consumption rate. Select a connector
with a capacity equal to or greater than appliance input rate.
CONNECTOR W/ FITTING OR BALL VALVE
Connector
Series
Nom.
O.D.
Nom.
I.D.
STRAIGHT LENGTH CAPACITY (BTU PER HOUR) - FOR NATURAL GAS
12" 18" 24" 30" 36" 48" 60" 72"
CSSL / CSST 3/8" 1/4" 48,000 43,800 40,000 36,400 33,400 28,300 24,900 23,100
CSSD 1/2" 3/8" 102,000 93,100 85,000 77,100 71,100 60,500 53,200 49,100
CSSC 5/8" 1/2" 180,000 164,200 150,000 136,000 125,000 106,000 93,200 86,000
CSSB 7/8" 3/4" 290,900 290,900 290,900 270,500 255,900 215,000 197,400 173,900
0.64 Sp Gr, 1000 BTU per Cu. Ft. (37.2 MJ/m3) gas at 0.5 inch water column (124Pa) pressure drop. Per ANSI Z21.24 / CSA 6.10 and ANSI Z21.75 / CSA 6.27
for use with pressures not to exceed 1/2 PSI.
CONNECTOR W/ APPLIANCE EXCESS FLOW VALVE
Connector
Series
Nom.
O.D.
Nom.
I.D.
STRAIGHT LENGTH CAPACITY (BTU PER HOUR) - FOR NATURAL GAS
12" 18" 24" 30" 36" 48" 60" 72"
CSSL / CSST
3/8" 1/4" 42,000 ♦ 37,400 ♦ 36,800 ♦ 36,400 ♦ 33,400 ♦ 28,300 ♦ 24,900 ♦ 23,100 ♦
CSSD 1/2" 3/8"
102,000 ✘ 93,100 ✘ 85,000 ✘ 77,100 ✘ 71,100 ✘ 60,500 ✘ 53,200 ✘ 49,100 ✘
CSSC 5/8" 1/2"
122,000 ✓ 118,000 ✓ 115,000 ✓ 111,000 ✓ 105,000 ✓ 106,000 ✓ 93,200 ✓ 86,000 ✓
CSSB 7/8" 3/4" N/A N/A N/A N/A N/A N/A N/A N/A
0.64 Sp Gr, 1000 BTU per Cu. Ft. (37.2 MJ/m3) gas at 0.5 inch water column (124Pa) pressure drop. Per ANSI Z21.24 / CSA 6.10 and ANSI Z21.75 / CSA 6.27
for use with pressures not to exceed 1/2 PSI.
♦ - Sold with Series 1540 Excess Flow Valve.
✘ - Sold with Series 1550 Excess Flow Valve.
✓ - Sold with Series 1560 Excess Flow Valve.
* The ow capacities in the above charts are the minimum performance criterion established in ANSI Z21.24 • CSA 6.10 and ANSI Z21.75 • CSA 6.27. The ow capacity
of BrassCraft connectors, regardless of end tting or gas ball valve assembly, exceeds these minimum ow requirements.
NATURAL GAS
ENGLISH