Data Sheet

Bulletin 71.1:CSB400
3
Available Congurations
See Table 1
Body Sizes, Materials, End Connections and
Pressure Ratings
(1)
See Table 2
Inlet Pressure Ratings
(1)
See Table 3
Maximum Outlet Pressures
(1)
Emergency Casing: 4.0 bar / 58 psig
To Avoid Internal Parts Damage:
All other Types: 0.34 bar / 5.0 psig above outlet
pressure setting
Type CSB450: 1 bar / 14.5 psig above outlet
pressure setting
Operating: 3.0 bar / 43.5 psig
Outlet Pressure Ranges
(1)
 17mbarto3.0bar/6.8inchesw.c.to43.5psig
See Table 5
Flow Capacities
See Tables 9 through 28
Orice Size
17.5mm/11/16inch
Operating Temperature (TS)
(1)(2)
According to PED Standards:
All Types: -20 to 66°C / -4 to 150°F
Non-PED with Standard Construction:
Types CSB400/CSB404 and CSB420/CSB424:
-20 to 66°C / -4 to 150°F
Types CSB450/CSB454
(3)
:
-30 to 66°C / -20 to 150°F
Non-PED with Standard Construction:
Types CSB400F/CSB404F
(3)
and
CSB420F/CB424F
(3)
:
-20 to 66°C / -4 to 150°F
Spring Case Vent Connection
1 NPT
Spring Case Vent and Body Orientation
See Figure 8
TM600 Series True-Monitor™ Performance
Inlet Pressure Ratings
Maximum Operating: Up to 8.62 bar / up to 125 psig
Maximum Emergency: 12.1 bar / 175 psig
Outlet Pressure Ranges:27mbarto0.52bar/
11 inches w.c. to 7.5 psig
Minimum Set Pressure:20mbar/8inchesw.c.
Maximum Set Pressure: 0.41 bar / 6 psig
Type VSX4 Slam-Shut Device
Maximum Inlet Pressure: 20 bar / 290 psig
Maximum Operating Inlet Pressure: 16 bar / 232 psig
Flow and IEC Sizing Coefcients
See Table 3
Construction Materials
CSB400 Series Main Valve and Actuator
Body: DuctileCastIronandWCCSteel
Body O-ring: Nitrile (NBR)
Closing Cap and Adjusting Screw: Aluminum
Diaphragm Case, Spring Case, Diaphragm Plate
and Valve Stem:Aluminum
Orice:Aluminum
Pusher Post: Zinc-plated Steel
Relief Valve Seat: Aluminum
Diaphragm and Disk: Nitrile (NBR)
Control Spring: 302 Stainless steel
Relief Valve Spring: 302 Stainless Steel
Relief Valve Diaphragm Retainer: Steel
Vent Screen: 18-8 Stainless steel
Retainer Ring: Steel
Lever Pin: Stainless Steel
Spring Seat, Lever and Other Metal Parts: Steel
TM600 Series True-Monitor Actuator
Diaphragm Case, Spring Case, Diaphragm Plate
and Valve Stem: Aluminum
Diaphragm and Disk: Nitrile (NBR)
Control Spring: 302 Stainless steel
Vent Screen: 18-8 Stainless steel
Vent Screen Retainer: Stainless steel
Closing Cap: Aluminum
Adjusting Screw: Aluminum
Type VSX4 Slam-shut Device
Diaphragm Case, Spring Case, Diaphragm Plate
and Valve Stem: Aluminum
Diaphragm and Disk: Nitrile (NBR)
Control Spring: MusicWireor302Stainlesssteel
Vent Screen: 18-8 Stainless steel
Vent Screen Retainer: Zinc-plated steel
Closing Cap: Aluminum
Adjusting Screw: Aluminum
Approximate Weights
with Threaded body
Type CSB400: 4kg/9pounds
Type CSB403: 9kg/20pounds
Type CSB404: 5kg/11pounds
with Flanged body
 Add4kg/9poundstoweightslisted
Designed, Tested, and Evaluated Consistent With:
 ANSIB16,ASMESection8,ASTMB117
 (CorrosionResistance)andEN334
1. Thepressure/temperaturelimitsinthisBulletinoranyapplicablestandardlimitationshouldnotbeexceeded.
2. StandardtokenreliefsetvalueslistedinTable8arebasedon-20to60°C/-4to140°F.
3. Product has passed Fisher
®
testingforlockup,reliefstart-to-dischargeandresealdownto-40°.
Specications
TheSpecicationssectionliststhespecicationsfortheCSB400SeriesRegulators.Thefollowinginformationis
stampedonthenameplateofCSB400Series:TypeandClass,MaximumOutletPressureandSpringRange.