452 Single Stage Regulator, Medium-Heavy Duty

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Regulators
Valves
Fittings
Gas Systems
Welding, Cutting & Heating Apparatus

452 Single Stage Regulator, Medium-Heavy Duty

Designed for medium to heavy duty gas welding, cutting, and heating applications, 452 Series is a Harris® style regulator with a 2-3/4" diaphragm and a Victor® style seat mechanism.

Features

2" gauges for easy reading

Stem-type seat assembly for more reliable
performance

Forged brass body

Chrome-plated housing cap for fuel gas and
oxygen models

Self re-seating external pressure relief valve on
oxygen, inert gas, CO2 and nitrogen models

Sintered bronze inlet filter

Weight: 3 lbs

UL listed

Max. Working Pressure

3000 psi
Temperature

-4℉~140℉
Weight

3 lbs

Dimensions

Ordering Information

Gas Service	Model Number	Maximum Inlet Pressure (PSI)	Maximum Delivery Pressure (PSI)	Inlet Gauge	Outlet Gauge	Inlet Connection	Outlet Connection
L.P. GAS	452F-40 452F-125	400 400	2-40 5-125	2", 400PSI 2", 400PSI	2", 60PSI 2", 200PSI	CGA510 CGA510	9/16" - 18LH( M ) 9/16" - 18LH( M )
OXYGEN	452X-80 452X-175	3000 3000	4-80 5-175	4-80 5-175	2", 100PSI 2", 300PSI	CGA540 CGA540	9/16" - 18RH( M ) 9/16" - 18RH( M )
ACETYLENE	452Y-15 452Y-15-3 452Y-15-5	400 400 400	2-15 2-15 2-15	2", 400PSI 2", 400PSI 2", 400PSI	2", 30PSI, RL 2", 30PSI, RL 2", 30PSI, RL	CGA510 CGA300 CGA520	9/16" - 18LH( M ) 9/16" - 18LH( M ) 9/16" - 18LH( M )
CARBON DIOXIDE	452C-175 452C-175-F 452C-300 452C-300-F	3000 3000 3000 3000	5-175 5-175 20-300 20-300	2", 4000PSI 2", 4000PSI 2", 4000PSI 2", 4000PSI	2", 300PSI 2", 300PSI 2", 400PSI 2", 400PSI	CGA320 CGA320 CGA320 CGA320	5/8" - 18RH( F ) 1/4" SAE FLARE 5/8" - 18RH( F ) 1/4" SAE FLARE
INERT GASES ( Ar, He ) NITROGEN	452IN-80 452IN-175 452IN-175-F 452IN-300 452IN-300-F 452IN-450 452IN-450-F 452IN-175-F-680 452IN-450-F-680	3000 3000 3000 3000 3000 3000 3000 5500 5500	4-80 5-175 5-175 20-300 20-300 30-450 30-450 5-175 30-450	2", 4000PSI 2", 4000PSI 2", 4000PSI 2", 4000PSI 2", 4000PSI 2", 4000PSI 2", 4000PSI 2", 6000PSI 2", 6000PSI	2", 100PSI 2", 300PSI 2", 300PSI 2", 400PSI 2", 400PSI 2", 600PSI 2", 600PSI 2", 300PSI 2", 600PSI	CGA580 CGA580 CGA580 CGA580 CGA580 CGA580 CGA580 CGA680 CGA681	5/8" - 18RH( F ) 5/8" - 18RH( F ) 1/4" SAE FLARE 5/8" - 18RH( F ) 1/4" SAE FLARE 5/8" - 18RH( F ) 1/4" SAE FLARE 1/4" SAE FLARE 1/4" SAE FLARE