9-11
IM 01F06A00-01E
9. GENERAL DESCRIPTION
9.4.3 OPTION REDUCED BORE TYPE (/R1) (*1)
This option is the same as standard specification except the following items.
B
A
(Note 1)
For detailed accuracy, see “SIZING”. Not available for /LT.
Not available for /SF1, /SS1
(Note 2)
Flange type only: JIS10K,20K (BJ1,BJ2) and ANSI150,300 (BA1,BA2,BS1,BS2)
MS Code [*] of “DY***-” means flange piping size.
(Note 3)
High process temperature version (/HT) and Multi-variable type (/MV) for DY025/R1 and DY040/R2 are not available.
T10-1.EPS
Model Code (Note 2)
Measurable minimum
flow velocity
Range of measurable
flow velocity
Reduced bore type (Option Code: /R1, /R2)
Flange piping size
(A)
DY025
DY040
DY050
DY080
DY100
DY150
DY200
R1 Detector size
(inner dia.) (B)
15 (14.6) (mm) (Note 3)
25 (25.7) (mm)
40 (39.7) (mm)
50 (51.1) (mm)
80 (71) (mm)
100 (93.8) (mm)
150 (138.8) (mm)
R2 Detector size
(inner dia.) (B)
15 (14.6) (mm) (Note 3)
25 (25.7) (mm)
40 (39.7) (mm)
50 (51.1) (mm)
80 (71) (mm)
100 (93.8) (mm)
Refer to table 9.5.1.
Refer to table 9.5.2.
[Pressure Loss]
R1: about 15% increases to standard type.
R2: about 28% increases to standard type.
see P.9-18