Data Sheet
Bulletin 71.1:133
2
Available Constructions
Type 133H: Direct-operated regulator for inlet
pressures to 60 psig / 4.1 bar and outlet
pressures from 1.5 to 10 psig / 0.10 to 0.69 bar,
three ranges.
Type 133HP: Direct-operated regulator for inlet
pressures to 150 psig / 10.3 bar and outlet
pressures from 2 to 60 psig / 0.14 to 4.1 bar,
seven ranges.
Type 133L: Direct-operated regulator for inlet
pressures to 60 psig / 4.1 bar and outlet
pressures from 2 inches w.c. to 2 psig / 5 mbar
to 0.14 bar, six ranges.
Type 133Z Zero Governor: Direct-operated
regulator for inlet pressures to 20 psig / 1.4 bar
and outlet pressures from -1 to 4-inches w.c. /
-2.5 to 10 mbar, two ranges.
Body Size and End Connection Styles
BODY SIZE BODY MATERIAL
Inch DN Cast Iron Body WCC Steel Body
2 50 NPT or CL125 FF Flanged NPT or CL150 RF Flanged
Maximum Inlet Pressures
(1)
See Table 2
Outlet Pressure Ranges
(1)
See Table 1
Maximum Outlet Pressures
(1)
See Table 2
Pressure Registration
External; downstream control line is required
Control Line Connection
Types 133H, 133L, and 133Z: 3/4 NPT
internal connection will be positioned directly over
body outlet (standard position) or 90° right or left
ofstandardpositionifspecied.
Type 133HP: 1/4 NPT Internal connection
positioned directly over body outlet.
Vent Connection
Types 133H, 133L, and 133Z: 1 NPT internal
with screen; standard position is in line with
control line connection directly over body outlet.
Vent will always be positioned over the control
line connection.
Type 133HP: 1/2 NPT internal connection
positioned directly over body inlet with a Fisher
®
Type Y602-7 vent assembly.
Specications
TheSpecicationssectionliststhespecicationsfortheType133Seriesdirect-operatedregulators.Factory
specicationisstampedonthenameplatefastenedontheregulatoratthefactory.
Temperature Capabilities
(1)
-20 to 150°F / -29 to 66°C
Flow Capacities
See Tables 3 through 10
Wide-Open Flow Coefcients
CAPACITY
WIDE-OPEN C
g
FOR
RELIEF VALVE SIZING
REPRESENTATIVE
C
1
25%
(2)
40%
(2)
60%
(2)
100%
490
760
1150
1800
28.2
29.1
31.8
35.0
Construction Materials
Body: Cast iron or WCC Steel
Orice and Cage: Aluminum
Valve Disk: Aluminum/Neoprene (CR) or
Aluminum/Fluorocarbon (FKM)
(3)
O-rings: Nitrile (NBR) or Fluorocarbon (FKM)
(3)
Diaphragms:
Nitrile (NBR)/Nylon (PA) (Neoprene (CR) in actuator)
or Fluorocarbon (FKM)
(3)
/Polymer Thermoplastic
Guide Bushing: Nylon (PA)
Stem and Stem Sleeve: Stainless steel
Diaphragm Plate: Steel
Balancing Diaphragm Plate: Plated steel
Spring Case and Closing Cap:
Type 133HP: Cast Iron
Types 133H, 133L, and 133Z: Aluminum
Lower Casing:
Types 133H, 133L, and 133Z: Aluminum
Type 133HP: Steel
Adjusting Screw:
Types 133H and 133Z: Brass
Type 133L: Aluminum
Type 133HP: Steel
Optional Restriction Collar: Aluminum
Approximate Shipping Weight
Types 133H, 133L, and 133Z NPT
End Connections: 35 pounds / 16 kg
Types 133H, 133L, and 133Z Flanged
End Connections: 40 pounds / 18 kg
Type 133HP NPT End Connections:
56.5 pounds / 26 kg
Type 133HP Flanged End Connections:
62.5 pounds / 28 kg
Option
Restriction collar to reduce wide-open capacity to
approximately 25%, 40%, or 60% of standard
wide-open capacity.
1. The pressure/temperature limits in this Bulletin or any applicable standard limitation should not be exceeded.
2. Using optional restriction collar.
3. Available for Types 133L and 133H only.