Littleton, CO USA Phone 303-794-2611 www.norgren.com
FIT-3-11
Function Fittings and Flow Controls
Dimensions in Inches (mm)
Flow Control
ØA
Typical Model Number: C/839 1⁄2 NPT
M/839 G1⁄2
Type: Uni-directional
Free flow is from ‘2’ to ‘1’, indicated by arrow
Model Max. Regulating Max. Free
Port NPT ISO G Flow Cv Flow Cv
1/8 C/836 S/836 0.17 0.6
1/4 C/837 M/837 0.49 1.0
1/2 C/839 M/839 2.6 3.6
3/4 C/840 M/840 3.7 6.5
1 C/855 M/855 8.4 8.9
Thread NPT G A L C B M (max) D
1/8 C/836 S/836
.96 1.81 1.06 .33 3.11 .67
(25) (46) (27) (8) (79) (17)
1/4 C/837 M/837
1.63 2.36 .98 .20 1.46 .87
(42) (60) (25) (5) (37) (22)
1/2 C/839 M/839
2.25 3.7 2.09 .33 3.11 1.10
(57) (94) (53) (8) (79) (28)
3/4 C/840 M/840
2.99 4.69 2.60 .34 4.09 1.38
(76) (119) (66) (9) (104) (35)
1 C/855 M/855
3.54 5.90 4.22 .51 5.79 2.04
(90) (150) (107) (13) (147) (52)
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