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All Autoclave Engineers valves and fittings are supplied complete with appropriate glands and compression sleeves.To order these components separately, use order numbers listed. When using plug, sleeve is not required.

To ensure proper fit use Autoclave tubing. For mounting hole option add suffix PM to catalog number. Consult factory for mounting hole dimensions.

All dimensions for reference only and subject to change. For prompt service, Autoclave stocks select products. Consult your local representative.

For mounting hole option add suffix PM to catalog number. Consult factory for mounting hole dimensions.
Bulkhead-Coupling_Low
Unit of Measure
Items Bulkhead-Coupling_Low
15BF44QQ
QS Medium Pressure Bulkhead Couplings
Bulkhead-Coupling_Low
15BF66QQ
QS Medium Pressure Bulkhead Couplings
Bulkhead-Coupling_Low
15BF99QQ
QS Medium Pressure Bulkhead Couplings
Bulkhead-Coupling_Low
15BF12Q
QS Medium Pressure Bulkhead Couplings
Connection Type N/A QS250 N/A QS375 N/A QS562 N/A QS750
Outside Diameter Tube N/A 6.35 mm1/4 in N/A 9.53 mm3/8 in N/A 14.29 mm9/16 in N/A 19.05 mm3/4 in
Pressure Rating N/A 15000 psi1034.20 bar
Minimum Opening N/A 0.16 in3.99 mm N/A 0.250 in6.35 mm N/A 0.36 in9.12 mm N/A 0.52 in13.11 mm
A - Panel Hole Drill Size N/A 0.88 in22.23 mm N/A 1.06 in27.00 mm N/A 1.63 in41.40 mm N/A 1.88 in47.63 mm
B - Length N/A 2 in50.8 mm N/A 2.38 in60.33 mm N/A 2.63 in66.68 mm N/A 3.50 in88.90 mm
C - Length N/A 0.52 in13.23 mm N/A 0.55 in14.00 mm N/A 0.82 in20.83 mm N/A 1.04 in26.37 mm
D - Typical Hex N/A 0.63 in16.00 mm N/A 0.75 in19.05 mm N/A 1.19 in30.23 mm N/A 1.5 in38.1 mm
E - Length N/A 0.63 in15.88 mm N/A 0.79 in19.94 mm N/A 0.91 in22.99 mm N/A 1.50 in38.1 mm
F - Typical Hex N/A 1.00 in25.4 mm N/A 1.38 in34.93 mm N/A 1.75 in44.45 mm N/A 2.13 in53.98 mm
G - Thickness N/A 0.38 in9.53 mm
Tubing Engagement Depth N/A 0.75 in19.05 mm N/A 0.81 in20.64 mm N/A 1.25 in31.75 mm N/A 1.63 in41.28 mm