Types 1301F and 1301G
2
Available Configurations
Type 1301F:
Direct-operated, high-pressure reducing
regulator for inlet pressures to 6000 psig / 414 bar
and outlet pressure ranges from 10 to 225 psig /
0.69 to 15.5 bar in three ranges
Type 1301G:
Direct-operated, high-pressure
reducing regulator for inlet pressures to 6000 psig /
414 bar and an outlet pressure range of
200 to 500 psig / 13.8 to 34.5 bar
Body Size and End Connection Style
1/4 NPT (one inlet and two or three outlet
connections), CL300 RF, CL600 RF and CL1500 RF;
or PN 25 RF (all flanges are 125 RMS)
Maximum Allowable Inlet Pressure
(1)
Brass Body:
Air and Gas:
6000 psig / 414 bar at or below 200°F / 93°C
and 1000 psig / 69.0 bar above 200°F / 93°C
Liquid:
Polytetrafluoroethylene (PTFE) Disk:
1000 psig / 69.0 bar
Nylon (PA) Disk:
Water: 1000 psig / 69.0 bar
Other Liquids: 2000 psig / 138 bar
Stainless Body:
Air and Gas:
6000 psig / 414 bar
Liquid:
Polytetrafluoroethylene (PTFE) Disk:
1000 psig / 69.0 bar
Nylon (PA) Disk:
Water: 1000 psig / 69.0 bar
Other Liquids: 2000 psig / 138 bar
Outlet Pressure Ranges
See Table 1
Maximum Emergency Outlet Pressure
(1)
Type 1301F:
250 psig / 17.2 bar
Type 1301G:
550 psig / 37.9 bar
Wide-Open Flow Coefficients for Relief Valve Sizing
C
g
:
5.0
C
v
:
0.13
C
1
:
38.5
Specifications
Specifications section lists the specifications for Types 1301F and 1301G high-pressure regulators. The maximum
outlet pressure for a given regulator as it comes from the factory is stamped on the regulator nameplate.
IEC Sizing Coefficients
X
T
:
0.938
F
D
:
0.50
F
L
:
0.85
Recovery Coefficient
K
m
:
0.72
Material Temperature Capabilities
(1)
Nylon (PA) Valve Disk and
Neoprene (CR) Gaskets:
-20 to 180°F / -29 to 82°C
PTFE Valve Disk and Fluorocarbon (FKM)
Gaskets:
-20 to 400°F / -29 to 204°C
(2)
PTFE Valve Disk and Ethylenepropylene (EPDM)
Gaskets:
-40 to 300°F / -40 to 149°C
Low Temperature Service
Service to -65°F / -54°C
is available with low
temperature bolting and special low temperature
Nitrile (NBR) O-rings to replace the gaskets.
Service to -80°F / -62°C
is available with low
temperature bolting and special low temperature
Fluorosilicone (FVQM) O-rings to replace
the gaskets.
Pressure Registration
Internal
Orifice Size
5/64 in. / 2.0 mm
Spring Case Vents
Type 1301F Brass Spring Case:
Four 5/32 in. / 4.0 mm holes
Type 1301F Stainless Steel Spring Case:
One 1/4 NPT connection
Type 1301G Spring Case:
One 1/8 NPT connection with screen
Approximate Weight
8 pounds / 4 kg
1. The pressure/temperature limits in this Instruction Manual and any applicable standard or code limitation should not be exceeded.
2. Fluorocarbon (FKM) is limited to 180°F / 82°C hot water.
