Emerson CSB400 Series, Instruction Manual, Page: 4 / 24

CSB400 Series
4
Table 4. Body Sizes, Material, End Connections, and Pressure Ratings
BODY MaTERIaL InLET SIZE, nPS OUTLET SIZE, nPS EnD COnnECTIOn
FaCE-TO-FaCE DIMEnSIOn BODY PRESSURE RaTIng
mm inches bar psig
Ductile Iron
1 1
NPT
100 4
20 290
1-1/4 1-1/4 114 4.5
1-1/2 1-1/2 114 4.5
2 2 127 5
1 1
Rp
100 4
1 1-1/4 114 4.5
1-1/4 1-1/4 114 4.5
1-1/2 1-1/2 114 4.5
2 2 127 5
2 (DN 50) 2 (DN 50)
CL125 FF / CL150 FF 254 10
PN 10/16 254 10 16 232
1-1/2 (DN 40 (1) ) 1-1/2 (DN 40) PN16 Slip-On 184 7.24 16 232
1 2-1/4 Rp x GAZ 105 4.1
20 290
Steel
1 1
NPT
100 4
1-1/4 1-1/4 114 4.5
1-1/2 1-1/2 114 4.5
1 1
Rp
100 4
1-1/4 1-1/4 114 4.5
1-1/2 1-1/2 114 4.5
1. Uses Rp 1-1/2 x 1-1/2 threaded body with PN16 slip-on flanges
TYPES
MaXIMUM aLLOWaBLE PRESSURE
(1)
/ MaXIMUM
EMERgEnCY InLET PRESSURE
MaXIMUM OPERaTIng InLET PRESSURE
(1)
PS Pumax
bar psig bar psig
CSB400, CSB404 4 58 4 58
CSB420, CSB424 4 58 4 58
CSB450, CSB454 4 58 4 58
CSB410, CSB414 4 58 4 58
CSB430, CSB434 4 58 4 58
CSB403, CSB423 4 58 4 58
1. For the integral strength (IS) version, the maximum value of PS and Pumax should be similar to the PSD used for the differential (DS) version.
Table 2. Integral Strength (IS) Pressure Ratings
TYPES
SPECIFIC MaXIMUM
aLLOWaBLE PRESSURE
/ MaXIMUM EMERgEnCY
OUTLET PRESSURE
MaXIMUM OPERaTIng
InLET PRESSURE
MaXIMUM aLLOWaBLE
PRESSURE
(1)
/
MaXIMUM EMERgEnCY
InLET PRESSURE
FLOW
COEFFICIEnTS
WIDE-OPEn
IEC SIZIng
COEFFICIEnTS
PSD Pumax PS
bar psig bar psig bar psig C
g
C
v
C
1
X
t
F
D
F
L
CSB400, CSB404 4 58 10 145 12 174
428 11 43 1.16 0.84 0.90
CSB420, CSB424 4 58 16 232 20 290
CSB450, CSB454 4 58 16 232 20 290
CSB410, CSB414 4 58 10 145 10 145
CSB430, CSB434 4 58 10 145 10 145
CSB403, CSB423 4 58 10 145 10 145
1. If ordered with a PN16 flanged connection, PS rating is a maximum of 16 bar (232 psig). PS rating may be lower than 16 bar (232 psig) as indicated.
Table 3. Differential Strength (DS) Pressure Ratings and Flow and Sizing Coefficients