155 Single Stage Regulator, Extra Heavy Duty

These extra heavy duty models are designed for heavy duty cutting, industrial applications, laboratory testing, manifold installations, etc.

Features

Single-stage construction

Forged brass body and housing cap

Delrin cap bushing for smooth adjustments

Self re-seating external pressure relief valve on oxygen,
inert gas, air, and hydrogen models

Sintered bronze inlet filter

2-1/2" gauges for easy reading

3-1/4" diaphragm

Weight: 7 lbs 10 oz

Conforms to CGA E-4 standard for gas pressure regulators

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	155F-125	400	5-125	2-1/2", 400PSI	2-1/2", 200PSI	CGA510	7/8" - 14LH( M )
OXYGEN	155X-125 155X-200	3000 3000	5-125 10-200	2-1/2", 4000PSI 2-1/2", 4000PSI	2-1/2", 200PSI 2-1/2", 400PSI	CGA540 CGA540	7/8" - 14RH( M ) 7/8" - 14RH( M )
ACETYLENE	155Y-15 155Y-15-3	400 400	2-15 2-15	2-1/2", 400PSI 2-1/2", 400PSI	2-1/2", 30PSI, RL 2-1/2", 30PSI, RL	CGA510 CGA300	7/8" - 14LH( M ) 7/8" - 14LH( M )
INERT GAS ( Ar, He, N )	155IN-125 155IN-200	3000 3000	5-125 10-200	2-1/2", 4000PSI 2-1/2", 4000PSI	2-1/2", 200PSI 2-1/2", 400PSI	CGA580 CGA580	7/8" - 14RH( M ) 7/8" - 14RH( M )
AIR	155Q-125 155Q-200	3000 3000	5-125 10-200	2-1/2", 4000PSI 2-1/2", 4000PSI	2-1/2", 200PSI 2-1/2", 400PSI	CGA346 CGA346	7/8" - 14RH( M ) 7/8" - 14RH( M )
HYDROGEN METHANE	155H-200	3000	10-200	2-1/2", 4000PSI	2-1/2", 400PSI	CGA350	7/8" - 14LH( M )