Flowmeter (Primary head/Sensor VFS 5090(I))
Versions and meter sizes
Pressure ratings
see Table “Dimensions” on page 64
(Note the operating limits to DIN 2401 and ANSI B 16.5!)
Sandwich design to...
DIN 19205
DN 25 to 150
ANSI
1” to 6”
Flange connections to ...
DIN 2501
DN 10S to 200
ANSI B 16.5
3/8”S to 8”
Groove joint to ...(optional)
DIN 2512
DN 25 to 150
ANSI
1” to 6”
Product and ambient temperature
see Diagram IV on page 59
Hazardous duty versions
FM, CSA, PTB approvals are pending
Accuracies
Operating volumetric flow(Re
³
20000)
Measuring error
±
1% of measured value for
DN25 to 200 & ANSI1” to 8 ”
±
2% of measured value for
DN10S to 20,ANSI 3/8”S to ¾”
Normalised volumetric& mass flow(Re
³
20000)
Measuring error
±
1.5% of measured value for
DN25 to 200 & ANSI1” to 8 ”
±
2.5% of measured value for
DN10S to 20,ANSI 3/8”S to ¾”
Repeatability
±
0.5% of measured value
Product Temperature error
Compensated by software only
Materials
SR.NO DESCRIPTION
MATERIAL
REMARKS
1
Housing
Stainless Steel, A351 CF3M (316L)
Stainless Steel, A351 CF8 (304)
Upto size DN100/4”
From DN150/6” to DN200/8”
2
Vortex shedding body
Unalloyed Titanium(No.3.7035) as standard
Seals
a. upto 180 deg C(356deg.F) Viton O ring
Non steam applications
3
b. upto 220deg C(428deg.F) Kalrez 4079 O ring
Non steam applications
c. upto 240 deg C(464deg.F) Parofluor O ring
Steam applications
4
Bluff body metal seal
C ring Inconel Ni plated
Once used metal C ring should not
be used again.Tightening torques
for new seals are
M6= 1.5 kg - m
M8= 2 kg - m
M10= 5.5 kg - m
5
Gaskets
GASKET,STYLE AF-139,NON ASBESTOS
GASKET,STYLE AF-160,NON ASBESTOS
GASKET,TEFLON(PTFE)
Any one as per application
57