Page 25 - Alkon - Directional Control Air Valves & Accessories

Directional Control Air Valves & Accessories

S E R I ES J V A L V ES

JF FLOW CONTROL VALVE

MODEL NO. VALVE DIMENSIONS (INCHES) ORIFICE ON Cv FACTOR
PIPE NEEDLE
BRASS NICKEL SIZE A B C D E F G HEX CHECK NEEDLE CHECK FULL APPROX.
BODY PLATED SIZE WEIGHT
NPTF OPEN
JF1 JF1N 1/8 1.468 0.562 0.913 1.803 0.250 0.687 3/32 0.602 0.125 0.60 0.30 0.19
JF2 JF2N 1/4 1.937 0.687 1.232 2.000 0.250 0.687 3/32 0.281 0.187 1.30 0.60 0.28
JF3 JF3N 3/8 2.312 0.875 1.545 2.531 0.300 0.937 3/32 0.421 0.250 2.85 1.08 0.54
JF4 JF4N 1/2 3.250 1.187 2.117 3.218 0.375 1.250 3/32 0.515 0.375 4.96 1.75 1.75
JF6N 3/4 4.000 1.750 2.625 3.906 0.375 1.250 3/32 0.718 0.500 9.00 3.20 2.32
JF8N 1 4.000 1.750 2.635 3.906 0.375 1.250 3/32 0.718 0.500 9.20 3.20 2.20

JN IN-LINE NEEDLE VALVE

MODEL NO. VALVE DIMENSIONS (inches) Cv FACTOR
PIPE NEEDLE
BRASS NICKEL SIZE A B C D E F G HEX ORIFICE FULL
BODY PLATED SIZE
NPTF OPEN
JN1 JN1N 1/8 1.468 0.562 0.913 1.803 0.250 0.687 3/32 0.125 0.30
JN2 JN2N 1/4 1.937 0.687 1.232 2.000 0.250 0.687 3/32 0.187 0.60
JN3 JN3N 3/8 2.312 0.875 1.545 2.531 0.300 0.937 3/32 0.250 1.08
JN4 JN4N 1/2 3.250 1.187 2.117 3.218 0.375 1.250 3/32 0.375 1.75
JN6N 3/4 4.000 1.750 2.625 3.906 0.375 1.250 3/32 0.500 3.20
JN8N 1 4.000 1.750 2.635 3.906 0.375 1.250 3/32 0.500 3.20

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