TUBE OUTER DIAMETER
Metric Tube Code 04 06 08 10 12 16 Size (mm) Ф4 Ф6 Ф8 Ф10 Ф12 Ф16	Inch Tube Code 5/32 3/16 1/4 5/16 3/8 1/2 Size (mm) Ф5/32 Ф3/16 Ф1/4 Ф5/16 Ф3/8 Ф1/2

THREAD SIZE
UNF Thread Taper Pipe Thread Code M5 M6 01 02 03 04 Size M5X0.8 M6X1.0 R1/8 R1/4 R3/8 R1/2	UNF Thread American Standard Taper Pipe Thread Code U N1 N3 N3 N4 Size 10-32UNF NPT1/8 NPT1/4 NPT3/8 NPT1/2
TUBE FITTINGS
Fluid Type Air, vacuum Operating Pressure Range 0-10.2kgf/cm2(0~1.0MPa) Negative Pressure -750mmHg(10Torr) Endurable Pressure Range 15.3kgf/cm2(1.5Mpa) Operating Temperature Range 0-60℃ Tube material PU/Nylon and Polyurethane
SPEED CONTROLLERS
Fluid Type Air (no other type of gas or liquid) Working Pressure Range 0~150PSI 0~9.9kgf/cm2(0~990KPa) Negative Pressure -29.5inHg -750kgf/cm2(0~990KPa) Working Temperature Range 32~140℉ 0-60℃
HAND VALVES
Fluid Type Air (no other type of gas or liquid) Working Pressure Range 0~150PSI 0~9.9kgf/cm2(0~990KPa) Negative Pressure -29.5inHg -750mmHg(10Torr) Working Temperature Range 32~140℉ 0-60℃