LC851 Series Cryogenic Regulators

The LC Series Regulator is available in three functions: Pressure Build, Economizer, and the Combination Pressure Build/Economizer. All regulators are cleaned for oxygen use per CGA 4.1.

Features

LC851 Series Pressure Build Regulators
Effective maintenance of pressure within the cylinder tank

LCE851 Series Economizer Regulator
Improves efficiency and avoids wasting of gas

LCC851 Series Combination Pressure Build/Economizer Regulators
A combination of gas maintenance, improved efficiency and prevention of gas loss all in one unit

Bonnet and Body: Brass

Seat: PTFE

Spring: stainless steel

Diaphragm: PTFE, Phosphor Bronze

Max. Inlet Pressure: 550 psi (38 bar)

Working Temperature: -320~165 °F (-196~74 °C）

Conforms to CGA E-4 Standard for Gas Pressure Regulators

Cleaned for oxygen service per CGA 4.1

Series Number	Model Number	Maximum Inlet Pressure	Operating Temperature	Inlet / Outlet Connection	Set Pressure	Pressure Range	Remarks
LC851	LC851-125 LC851-300	550 psi (38 bar) 550 psi (38 bar)	-320~165°F (-196~74°C) -320~165°F (-196~74°C)	1/4"NPT(F) 1/4"NPT(F)	125 psi (8.5 bar) 300 psi (21 bar)	25~250 psi (1.7~17 bar) 125~350 psi (8.5~24 bar)	- -
LCE851	LCE851-22 LCE851-70 LCE851-140 LCE851-325	550 psi (38 bar) 550 psi (38 bar) 550 psi (38 bar) 550 psi (38 bar)	-320~165°F (-196~74°C) -320~165°F (-196~74°C) -320~165°F (-196~74°C) -320~165°F (-196~74°C)	1/4"NPT(F) 1/4"NPT(F) 1/4"NPT(F) 1/4"NPT(F)	22 psi (1.5 bar) 70 psi (5.0 bar) 140 psi (9.7 bar) 325 psi (22.4 bar)	10~150 psi (0.7~10.3 bar) 10~150 psi (0.7~10.3 bar) 10~150 psi (0.7~10.3 bar) 150~350 psi (10.33~24 bar)	- - - -
LCC851	LCC851-22 LCC851-300 LCC851-325 LCC851-22-A LCC851-300-A LCC851-325-A	550 psi (38 bar) 550 psi (38 bar) 550 psi (38 bar) 550 psi (38 bar) 550 psi (38 bar) 550 psi (38 bar)	-320~165°F (-196~74°C) -320~165°F (-196~74°C) -320~165°F (-196~74°C) -320~165°F (-196~74°C) -320~165°F (-196~74°C) -320~165°F (-196~74°C)	1/4"NPT(F) 1/4"NPT(F) 1/4"NPT(F) 1/4"NPT(F) 1/4"NPT(F) 1/4"NPT(F)	22 psi (1.5 bar) 300 psi (21 bar) 325 psi (22.4 bar) 22 psi (1.5 bar) 300 psi (21 bar) 325 psi (22.4 bar)	10~150 psi (0.7~10.3 bar) 150~350 psi (10.3~24 bar) 150~350 psi (10.3~24 bar) 10~150 psi (0.7~10.3 bar) 150~350 psi (10.3~24 bar) 150~350 psi (10.3~24 bar)	Side Inlet Side Inlet Side Inlet Middle Inlet Middle Inlet Middle Inlet

Series Number

Model Number

Maximum Inlet Pressure

Operating Temperature

Inlet / Outlet Connection

Set Pressure

Pressure Range

Remarks

LC851

LC851-125
LC851-300

550 psi (38 bar)
550 psi (38 bar)

-320~165°F (-196~74°C)
-320~165°F (-196~74°C)

1/4"NPT(F)
1/4"NPT(F)

125 psi (8.5 bar)
300 psi (21 bar)

25~250 psi (1.7~17 bar)
125~350 psi (8.5~24 bar)

-
-

LCE851

LCE851-22
LCE851-70
LCE851-140
LCE851-325

550 psi (38 bar)
550 psi (38 bar)
550 psi (38 bar)
550 psi (38 bar)

-320~165°F (-196~74°C)
-320~165°F (-196~74°C)
-320~165°F (-196~74°C)
-320~165°F (-196~74°C)

1/4"NPT(F)
1/4"NPT(F)
1/4"NPT(F)
1/4"NPT(F)

22 psi (1.5 bar)
70 psi (5.0 bar)
140 psi (9.7 bar)
325 psi (22.4 bar)

10~150 psi (0.7~10.3 bar)
10~150 psi (0.7~10.3 bar)
10~150 psi (0.7~10.3 bar)
150~350 psi (10.33~24 bar)

-
-
-
-

LCC851

LCC851-22
LCC851-300
LCC851-325
LCC851-22-A
LCC851-300-A
LCC851-325-A

550 psi (38 bar)
550 psi (38 bar)
550 psi (38 bar)
550 psi (38 bar)
550 psi (38 bar)
550 psi (38 bar)

-320~165°F (-196~74°C)
-320~165°F (-196~74°C)
-320~165°F (-196~74°C)
-320~165°F (-196~74°C)
-320~165°F (-196~74°C)
-320~165°F (-196~74°C)

1/4"NPT(F)
1/4"NPT(F)
1/4"NPT(F)
1/4"NPT(F)
1/4"NPT(F)
1/4"NPT(F)

22 psi (1.5 bar)
300 psi (21 bar)
325 psi (22.4 bar)
22 psi (1.5 bar)
300 psi (21 bar)
325 psi (22.4 bar)

10~150 psi (0.7~10.3 bar)
150~350 psi (10.3~24 bar)
150~350 psi (10.3~24 bar)
10~150 psi (0.7~10.3 bar)
150~350 psi (10.3~24 bar)
150~350 psi (10.3~24 bar)

Side Inlet
Side Inlet
Side Inlet
Middle Inlet
Middle Inlet
Middle Inlet

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