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belgas.net18
• ExternalPressureRegistration• MinimizeSuddenDownstreamLoadChange• WidePressureRanges• P202hasinternalreliefvalveforoverpressureprotection
TheP200Pseriespressureregulator isamanual,directacting,self-operating,springloaded,adjustableregulator.TheP200se-riesisusedinapplicationswherepressurereductionisrequired.Theregulatorwillreducetheriskof“shock”fromabruptchangesof downstream conditions. This can help prevent safety equip-mentfromshuttinganoperationdown.
Applications• Compressors• GasEngines• ServiceRegulators
P200P Pressure Regulator
Maximum Inlet See Table 1Maximum Emergency Outlet 15 PSIG
Pressure Ranges See Table 2
Port Sizes
1.25 NPT1.5 NPT
1.5 NPT x 2 NPT2 NPT
Orifice Sizes
1/4"3/8"1/2"3/4"1"
1-3/16"
End Connections
NPT
150 RF Flange Steel Units Only
125 FF Flange *Iron Units Only
Temperature Range-20˚F to 180˚F-29˚C to 82˚C
Approx. Weight 26 lbs. (11.8 kg)
Adjusting Screw Aluminum / Zinc Plated Steel
Body Ductile Cast Iron or WCB Steel
Bonnet Aluminum
Closing Cap Aluminum / Brass
Diaphragm Nitrile
Lower Casing Aluminum
Molded Seat Assembly Nitrile
Orifice Aluminum
Upper/Lower Spring Seat Aluminum / Brass
Flange Ductile Cast Iron / WCB Steel
Materials of Construction
Specifications
Table 1
Orifice Inches
Pressure Range "WC or PSIG
Maximum Inlet Pressure PSIG
1/4" 1253/8" 1251/2" 1003/4" 60
1"253030
1-3/16"
131 - 2 PSIG 14
1.5 - 3.25 PSIG 142 - 5 PSIG 20
2 - 5.5 PSIG 204 - 10 PSIG 25
P200P Series Maximum Inlet Pressure
Table 2
ModelSpring Ranges Spring Color Part Number
W.C. or PSI Bar
P201P and P202P
2 - 4.5 W.C. 0.005 - 0.011 Brown 655-697-002
3.5- 6.5 W.C. 0.009 -0.016 Red 655.697-003
5 - 9 W.C. 0.012 - 0.022 Black 655-697-004
6 - 14 W.C. 0.015 - 0.035 Purple 655-697-011
8.5 - 18 W.C. 0.021 - 0.045 White 655-697-005
14 - 30 W.C. 0.035 - 0.075 Dark Green 655-697-006
P201P and P202P
1 - 2 PSI 0.069 - 0.138 Dark Blue 655-697-007
1.5 - 3.25 PSI 0.103 - 0.224 Orange 655-697-008
2 - 5 PSI 0.138 - 0.345 Yellow 655-697-009
P201P2 - 5.5 PSI 0.138 - 0.379 Green 655-659-003
4 - 10 PSI 0.276 - 0.689 Grey 655-697-010
P200 Series Range Springs
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A D I V I S I O N O F M A R S H B E L L O F R A M
19
P20 PVersion
1 Non-Relieving2 Relieving
Port Size12 1.25 NPT14 1.5 NPT15 1.5 x 2 NPT16 2 NPT
Spring RangePSIG BAR
004 2 - 4.5" W.C. 0.005 - 0.011
006 3.5 - 6.5" W.C. 0.009 - 0.016
009 5 - 9" W.C. 0.012 - 0.022
014 6 - 14" W.C. 0.015 - 0.035
018 8.5 - 18" W.C. 0.021 - 0.045
030 14 - 30" W.C. 0.035 - 0.075002 1 - 2 PSIG 0.069 - 0.138
003 1.5 - 3.25 PSIG 0.103 - 0.220
005 2 - 5 PSIG 0.138 - 0.345
K05 2 - 5.5 PSIG* 0.138 - 0.379 * P201P Only010 4 - 10 PSIG* 0.276 - 0.689
Special Construction
** Iron Only0 NoneA 150 RF Steel OnlyE 125 FF - 10" **
Orifice4 1/4"6 3/8"8 1/2"B 3/4"D 1"F 1-3/16"
Port Orientation1 Up (Standard)2 Down3 Right4 Left
Bonnet Vent Orientation
C 12 O'Clock
D 3 O'Clock (Standard)
E 6 O'Clock
F 9 O'Clock
Body Material0 Iron2 Steel
P200 Part Matrix
P200P Dimensions
14.13
12.94
9.80
CB
D
A
A/2
14.13
12.94
9.80
CB
A
A/2
D
14.13
12.94
9.80
CB
D
A
A/2
14.13
12.94
9.80
CB
A
A/2
D
Body Size A B C D
Inches NPT 150 RF Flange125 FF Flange NPT
125 FF Flange
150 RF Flange
1.25 6.13 11.03 18.09 1.85
1.5 6.13 10 11.03 18.09 1.85 1.85
1.5 x 2 6.13 11.03 18.09 1.85
2 6.13 10 10 10.59 17.66 2.15 3 3
P200P Standard
P200P Flanged
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belgas.net20
P200P Port Orientation* P200P Bonnet Vent Orientation
VENT
VEN
T
VENT
VENT
VENT
VENT
VENT
VENT
ww
w.belgas.net
800-727-5646
A DIV
ISIO
N O
F MA
RS
H B
ELLO
FRA
M
TMM
AD
E IN U
.S.A.
WA
RNIN
G:
1. MAX IN
LET PRESSURE
2. MAX O
PERATING
OU
TLET PRESSURE
3. MAX EM
ERGEN
CY OU
TLET (CASIN
G) PRESSU
RE
4. OU
TLET PRESSURE M
ORE TH
AN
SETPOIN
T MAY D
AM
AGE PA
RTS.
www.belgas.net800-727-5646
A DIVISION OF MARSH BELLOFRAM
TMMADE IN U.S.A.
WARNING: 1. MAX INLET PRESSURE
2. MAX OPERATING OUTLET PRESSURE
3. MAX EMERGENCY OUTLET (CASING) PRESSURE
4. OUTLET PRESSURE MORE THAN
SETPOINT MAY DAMAGE PARTS.
www.belgas.net800-727-5646
A DIVISION OF MARSH BELLOFRAM
TMMADE IN U.S.A.
WARNING: 1. MAX INLET PRESSURE
2. MAX OPERATING OUTLET PRESSURE
3. MAX EMERGENCY OUTLET (CASING) PRESSURE
4. OUTLET PRESSURE MORE THAN
SETPOINT MAY DAMAGE PARTS.
www.belgas.net800-727-5646
A DIVISION OF MARSH BELLOFRAM
TMMADE IN U.S.A.
WARNING: 1. MAX INLET PRESSURE
2. MAX OPERATING OUTLET PRESSURE
3. MAX EMERGENCY OUTLET (CASING) PRESSURE
4. OUTLET PRESSURE MORE THAN
SETPOINT MAY DAMAGE PARTS.
ww
w.b
elga
s.net
800-
727-
5646
A D
IVIS
ION
OF
MA
RS
H B
ELL
OFR
AM
TMM
AD
E IN
U.S
.A.
WA
RNIN
G:
1. M
AX IN
LET
PRES
SURE
2. M
AX O
PERA
TIN
G O
UTL
ET P
RESS
URE
3. M
AX E
MER
GEN
CY O
UTL
ET (C
ASI
NG
) PRE
SSU
RE
4. O
UTL
ET P
RESS
URE
MO
RE T
HA
N
SET
POIN
T M
AY D
AM
AGE
PART
S.
www.belgas.net800-727-5646
A DIVISION OF MARSH BELLOFRAM
TMMADE IN U.S.A.
WARNING: 1. MAX INLET PRESSURE
2. MAX OPERATING OUTLET PRESSURE
3. MAX EMERGENCY OUTLET (CASING) PRESSURE
4. OUTLET PRESSURE MORE THAN
SETPOINT MAY DAMAGE PARTS.
www.belgas.net800-727-5646
A DIVISION OF MARSH BELLOFRAM
TMMADE IN U.S.A.
WARNING: 1. MAX INLET PRESSURE
2. MAX OPERATING OUTLET PRESSURE
3. MAX EMERGENCY OUTLET (CASING) PRESSURE
4. OUTLET PRESSURE MORE THAN
SETPOINT MAY DAMAGE PARTS.
www.belgas.net800-727-5646
A DIVISION OF MARSH BELLOFRAM
TMMADE IN U.S.A.
WARNING: 1. MAX INLET PRESSURE
2. MAX OPERATING OUTLET PRESSURE
3. MAX EMERGENCY OUTLET (CASING) PRESSURE
4. OUTLET PRESSURE MORE THAN
SETPOINT MAY DAMAGE PARTS.
UP1
DOWN2
RIGHT3
LEFT4
12C
3D
6E
9F
VENT
VEN
T
VENT
VENT
VENT
VENT
VENT
VENT
ww
w.belgas.net
800-727-5646
A DIV
ISIO
N O
F MA
RS
H B
ELLO
FRA
M
TMM
AD
E IN U
.S.A.
WA
RNIN
G:
1. MAX IN
LET PRESSURE
2. MAX O
PERATING
OU
TLET PRESSURE
3. MAX EM
ERGEN
CY OU
TLET (CASIN
G) PRESSU
RE
4. OU
TLET PRESSURE M
ORE TH
AN
SETPOIN
T MAY D
AM
AGE PA
RTS.
www.belgas.net800-727-5646
A DIVISION OF MARSH BELLOFRAM
TMMADE IN U.S.A.
WARNING: 1. MAX INLET PRESSURE
2. MAX OPERATING OUTLET PRESSURE
3. MAX EMERGENCY OUTLET (CASING) PRESSURE
4. OUTLET PRESSURE MORE THAN
SETPOINT MAY DAMAGE PARTS.
www.belgas.net800-727-5646
A DIVISION OF MARSH BELLOFRAM
TMMADE IN U.S.A.
WARNING: 1. MAX INLET PRESSURE
2. MAX OPERATING OUTLET PRESSURE
3. MAX EMERGENCY OUTLET (CASING) PRESSURE
4. OUTLET PRESSURE MORE THAN
SETPOINT MAY DAMAGE PARTS.
www.belgas.net800-727-5646
A DIVISION OF MARSH BELLOFRAM
TMMADE IN U.S.A.
WARNING: 1. MAX INLET PRESSURE
2. MAX OPERATING OUTLET PRESSURE
3. MAX EMERGENCY OUTLET (CASING) PRESSURE
4. OUTLET PRESSURE MORE THAN
SETPOINT MAY DAMAGE PARTS.
ww
w.b
elga
s.net
800-
727-
5646
A D
IVIS
ION
OF
MA
RS
H B
ELL
OFR
AM
TMM
AD
E IN
U.S
.A.
WA
RNIN
G:
1. M
AX IN
LET
PRES
SURE
2. M
AX O
PERA
TIN
G O
UTL
ET P
RESS
URE
3. M
AX E
MER
GEN
CY O
UTL
ET (C
ASI
NG
) PRE
SSU
RE
4. O
UTL
ET P
RESS
URE
MO
RE T
HA
N
SET
POIN
T M
AY D
AM
AGE
PART
S.
www.belgas.net800-727-5646
A DIVISION OF MARSH BELLOFRAM
TMMADE IN U.S.A.
WARNING: 1. MAX INLET PRESSURE
2. MAX OPERATING OUTLET PRESSURE
3. MAX EMERGENCY OUTLET (CASING) PRESSURE
4. OUTLET PRESSURE MORE THAN
SETPOINT MAY DAMAGE PARTS.
www.belgas.net800-727-5646
A DIVISION OF MARSH BELLOFRAM
TMMADE IN U.S.A.
WARNING: 1. MAX INLET PRESSURE
2. MAX OPERATING OUTLET PRESSURE
3. MAX EMERGENCY OUTLET (CASING) PRESSURE
4. OUTLET PRESSURE MORE THAN
SETPOINT MAY DAMAGE PARTS.
www.belgas.net800-727-5646
A DIVISION OF MARSH BELLOFRAM
TMMADE IN U.S.A.
WARNING: 1. MAX INLET PRESSURE
2. MAX OPERATING OUTLET PRESSURE
3. MAX EMERGENCY OUTLET (CASING) PRESSURE
4. OUTLET PRESSURE MORE THAN
SETPOINT MAY DAMAGE PARTS.
UP1
DOWN2
RIGHT3
LEFT4
12C
3D
6E
9F
* Port orientation is based on the body's "Out" port location in relation to the top view of the regulator.
11 17 4138394042
P200P Parts List
Item Description Qty. Part Number
11 Lower Casing 1 629-219-00117 Valve Stem 1 651-097-00138 Retaining Ring 1 693-027-00040 O-ring 1 649-309-00441 Wiper Ring 1 644-061-00042 Stem Adaptor 1 653-058-00039 O-ring 1 649-000-005
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A D I V I S I O N O F M A R S H B E L L O F R A M
21
TheP203andP203Hareavailablewithatruemonitorregula-tor,whichactsindependentlyofthemainregulator.Themonitorprovidesequivalentoverpressureprotectionwhencomparedtoastandardtwo-regulatormonitorsetup.Ifoneregulatorfails,theotherregulatorprovidescontrolandoverpressureprotection.
Applications• Commercial/Industrial/Service• GasEngineControl• GateApplications
Features• IntegralMonitoring• FastActingMinimizingShock• InternalRelief
P203 Pressure Reducing Regulator
P203 Integral Monitor Data
Type Control Spring PartNumber and Color
Maximum DownstreamPressure with IntegralMonitor in Operation
Maximum Flow ThroughInternal Relief Valve with
Integral Monitor in Operation1
Monitor Spring Pressure Data
Monitor Spring Number & Color
Outlet Pressure Range Number of Lower Spring
SeatsPSIG mBAR SCFH Nm3/h WC or PSIG mBAR
P203
655-697-002, Brown 0.8 60 950 25.5
655-746-000, Green
0-5" WC 0-12 0655-697-003, Red
0.8 60 1000 26.8 4-9.5" WC 10-24 1655-697-004, Black
655-697-005, White
1.4 100 1200 32.2 8-14" WC 20-35 21.4 100 1350 36.2
655-746-001, Red8-12" WC 20-30 0
1.8 120 1600 42.9 10-20" WC 25-50 12.2 150 1800 48.2 655-746-002, Blue 11-21" WC 27-52 0
655-697-006, Dark Green2.8 190 1900 50.9 655-746-001, Red 14-28" WC 35-70 23.0 210 2000 53.6 655-746-002, Blue 18-33" WC 45-82 13.0 210 2200 60.0 655-746-003, Silver 0.5-1.0 PSIG 34-69 0
P203H655-697-007, Dark Blue
3.8 260 2200 60.0 655-746-002, Blue 1.0-1.6 PSIG 69-110 24.0 280 2500 67.0 655-746-003, Silver 0.75-1.6 PSIG 52-110 1
655-697-008, Orange5.0 350 3000 80.4 655-746-003, Silver 1.25-2.25 PSIG 86-155 26.0 410 3000 80.4 655-746-003, Silver 1.25-3.25 PSIG 86-224 3
1. Flow of 0.6 specific gravity natural gas in SCFH at 60°F and 14.7 PSIA and Nm3/h at 0°C and 1.01325 BAR.
Adjusting Screw AluminumBody Ductile Cast IronBonnet AluminumClosing Cap AluminumDiaphragm NitrileLower Casing AluminumMolded Seat Assembly NitrileOrifice AluminumUpper/Lower Spring Seat AluminumFlange Ductile Cast Iron
Materials of Construction
Maximum Inlet See Table 1 - P200Maximum Emergency Outlet 15 PSIG
Port Sizes1.5 NPT
1.5 NPT x 2 NPT2 NPT
Orifice Sizes
1/4"3/8"1/2"3/4"1"
1-3/16"
End ConnectionsNPT
125 FF Flange 2” Iron Units Only
Temperature Range-20˚F to 180˚F-29˚C to 82˚C
Approx. Weight 30 lbs. (11.8 kg)
Specifications
Type Control Spring PartNumber and ColorOutlet Pressure Range
WC or PSIG mBAR
P203
655-697-002, Brown 2 - 4.5" W.C. 5 - 11 mBAR655-697-003, Red 3.5- 6.5" W.C. 9 - 16 mBAR655-697-004, Black 5 - 9" W.C. 12 - 22 mBAR655-697-005, White 8.5 - 18" W.C. 21 - 45 mBAR655-697-006, Dark Green 14 - 30" W.C. 35 - 75 mBAR
P203H655-697-007, Dark Blue 1 - 2 PSI 69 - 138 mBAR655-697-008, Orange 1.5 - 3.25 PSI 103 - 224 mBAR
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P203 Version
0 NormalH High PressureP External Pressure Registration
Port Size14 1.5 NPT15 1.5 x 2 NPT16 2
Spring RangePSIG BAR
04 2 - 4.5" WC 0.005 - 0.011O or P Version Only
06 3.5 - 6.5" WC 0.009 - 0.01609 5 - 9" WC 0.012 - 0.02218 8.5 - 18" WC 0.021 - 0.04530 14 - 30" WC 0.035 - 0.07502 1 - 2 PSIG 0.069 - 0.138 H or P
Version Only03 1.5 - 3.25 PSIG 0.103 - 0.220
Special Construction0 None3 Stem O-Ring
P Only4 Stem Seal O-Ring with Wiper Ring5 Stem O-Ring with 125FF6 Stem Seal O-Ring with Wiper Ring with 125FFE 125 FF (2” Cast Iron only) - 10"
Orifice4 1/4"6 3/8"8 1/2"B 3/4"D 1"F 1-3/16"
Port Orientation1 Up (Standard)2 Down3 Right4 Left
Bonnet Vent OrientationC 12 O'ClockD 3 O'Clock (Standard)E 6 O'ClockF 9 O'Clock
Monitor RangesG0 0-5" WC (with 2 - 4.5" WC Only)
O or P Version Only
G1 4 - 9.5" WC (with 3.5 - 6.5 or 5 - 9" WC Only)G2 8-14" WC
(with 8.5 - 18" WC Only)R0 8-12" WCR1 10 - 20" WCR2 14 - 28" WC (with 14 - 30" WC Only)B0 11 - 21" WC (with 8.5 - 18" WC Only)B1 18 - 33" WC (with 14 - 30" WC Only)S0 0.5 -1 PSIGB2 1.0 - 1.6 PSIG (with 1 - 2" PSIG Only) H or P
Version Only
S1 0.75 - 1.6 PSIGS2 1.25 - 2.25 PSIG (with 1.5 - 3.25"
PSIG Only)S3 1.25 - 3.25 PSIG
P203 Regulator Rebuild Kits
Kit Includes Part Number
P203
Main Regulator - Diaphragm, disk holder assembly, cap gasket and body/lower casing O-ring. Monitor - disk holder assembly, diaphragm, pilot tube O-ring, piston guide O-rings, piston ring, and piston assembly O-ring
971-203-000
P203 Part Matrix
P203 Dimensions
P203 1-1/2" NPT
P203 2" NPT 125FF
XXX
XXX
A
12.94
Ø14.13
9.79
A/2
BC
D
A
12.94
Ø14.13
9.79
A/2
BC
D
A
12.94
Ø14.13
9.79
A/2
BC
D
XXX
XXX
A
12.94
Ø14.13
9.79
A/2
BC
D
A
12.94
Ø14.13
9.79
A/2
BC
D
A
12.94
Ø14.13
9.79
A/2
BC
D
XXX
XXX
A
12.94
Ø14.13
9.79
A/2
BC
D
A
12.94
Ø14.13
9.79
A/2
BC
D
A
12.94
Ø14.13
9.79
A/2
BC
D
P203 2" NPT
Body Size A B C D
Inches NPT 125 FF Flange NPT125 FF Flange
1.5 6.13 11.03 18.09 4.18
1.5 x 2 6.13 11.03 18.09 4.18
2 6.13 10 10.59 17.66 4.61 4.61
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A D I V I S I O N O F M A R S H B E L L O F R A M
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P203 Parts List
Item Description Qty. Part Number
2
Range Spring - Normal (0) 1 See Table2” - 4.5” WC - Brown, Plated Steel 1 655-697-0023.5” - 6.5” WC - Red Plated Steel 1 655-697-0035” - 9” WC - Black, Plated Steel 1 655-697-0048.5” - 18” WC - Gray, Plated Steel 1 655-697-00514” - 30” WC - Dark Green, Plated Steel 1 655-697-006
Range Spring - High (H)1 - 2 PSI - Dark Blue, Plated Steel 1 655-697-0071.5 - 3.25 PSI - Orange, Plated Steel 1 655-697-008
23
Orifices1/4" Aluminum 1 688-061-0003/8" Aluminum 1 688-061-0011/2" Aluminum 1 688-061-0023/4" Aluminum 1 688-061-0031" Aluminum 1 688-061-0041-3/16" Aluminum 1 688-061-005
24
BodyIron 2” NPT 1 664-384-000Iron 1.5” x 2" NPT 1 664-396-001Iron 1.5” NPT 1 664-396-000Iron 2" NPT, 125 FF 1 664-385-000
2
50
46
44375723 54 52 53 48 5924
49
47
51
55 56
58
42
45
38
39
40
4136
Note: See standard P200 Part Listing for other parts.
Item Description Qty. Part Number
P203 Monitor Parts Only - See P200 for other Parts36 Relief Restriction 1 662-237-00037 Disk Holder Assembly 1 822-044-00038 Pipe Plug 1-2 639-000-05439 Monitor Spring Case 1 604-264-00040 Monitor Lower Case 1 629-237-00041 Diaphragm 1 618-101-00042 Roll Pin 1 635-074-00043 Cap Screw 4 648-466-00844 Cap Screw 8 648-466-00045 O-ring 1 649-000-18546 Diaphragm Plate 1 638-079-000
47
Monitor SpringsGreen Spring (See Monitor Data Table) 1 655-746-000Red Spring (See Monitor Data Table) 1 655-746-001Blue Spring (See Monitor Data Table) 1 655-746-002Silver Spring (See Monitor Data Table) 1 655-746-003
48 Lower Spring Seat (See Monitor Data Table) 0-3 650-178-00049 Piston Assembly 1 809-237-00050 O-ring Retainer 1 643-206-00051 Piston Assembly O-ring 1 649-000-00152 Piston Guide 1 626-112-00053 Piston Guide O-ring 1 649-309-00354 Disk Holder Screw 1 648-545-00055 Piston Ring Expander 1 644-062-00056 Piston Ring 1 644-063-00057 Washer 1 662-236-00258 Pilot Tube 1 660-082-00059 Vent Assembly 1 836-004-000
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belgas.net24
VENT
VENT
VENT
VENT
BONNET VENT ORIENTATION (ORDERING MATRIX DIGIT "13")
12 - CODE C 3 - CODE D STANDARD
6 - CODE E 9 - CODE F
VENT
PORT ORIENTATION (ORDERING MATRIX DIGIT "12")
UP - CODE 1 STANDARD
RIGHT - CODE 3
DOWN - CODE 2
LEFT - CODE 4
VENT
VENT
VENT
P203 Bonnet Vent Orientation (Ordering Matrix Digit “13”)
VENT
VENT
VENT
VENT
BONNET VENT ORIENTATION (ORDERING MATRIX DIGIT "13")
12 - CODE C 3 - CODE D STANDARD
6 - CODE E 9 - CODE F
VENT
PORT ORIENTATION (ORDERING MATRIX DIGIT "12")
UP - CODE 1 STANDARD
RIGHT - CODE 3
DOWN - CODE 2
LEFT - CODE 4
VENT
VENT
VENT
P203 Port Orientation (Ordering Matrix Digit “12”)*
* Port orientation is based on the body's “Out” port location in relation to the top view of the regulator.