Welding Hose Type: QG20

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Application:

This welding hose is designed to deliver gas during metal welding, cutting, and other processes. Gasses delivered include air, oxygen, ethyne, propane, butane, CO2, LPG (liquid petroleum gas) and more.

Temperature Range:

-20℃ ~ +70℃

Production Standard:

ISO3821

Construction:

Tube: Black composite rubber
Reinforcement: High strength multi-layer synthetic fiber cord
Cover: Composite rubber that features a smooth surface, abrasion resistance, thermal and oil resistance, and aging resistance

QG20 Series Technical Parameters:

Code No.	Size (inch)	I.D. (mm)	O.D. (mm)	W.P. (bar) (psi)		B.P. (bar) (psi)		Weight (Kg/m)	Max. Length (m)
QG20-4	5/32	4	10.5	10~21	142~300	30~63	426~900	0.12	100
QG20-4.8	3/16	4.8	11.5	10~21	142~300	30~63	426~900	0.13	100
QG20-5	13/64	5	11.5	10~21	142~300	30~63	426~900	0.14	100
QG20-6	15/64	6	12.0	10~21	142~300	30~63	426~900	0.15	100
QG20-6.4	1/4	6.4	12.5	10~21	142~300	30~63	426~900	0.16	100
QG20-7	9/32	7	13.5	10~21	142~300	30~63	426~900	0.17	100
QG20-8	5/16	8	15.0	10~21	142~300	30~63	426~900	0.21	100
QG20-9	23/64	9	16.3	10~21	142~300	30~63	426~900	0.24	100
QG20-9.5	3/8	9.5	16.5	10~21	142~300	30~63	426~900	0.25	100
QG20-10	13/32	10	17.0	10~21	142~300	30~63	426~900	0.26	100
QG20-12.7	1/2	12.7	20.5	10~21	142~300	30~63	426~900	0.35	100