Siemens
СРЕДСТВА ПРОМЫШЛЕННОЙ АВТОМАТИЗАЦИИ
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Каталог СА01 2017
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SITRANS FVA250

SITRANS FVA250

Application

See page 3/xx

Design and function

See page 3/xx

Principle of measurement

Variable-area flowmeter

Input

 

Measuring range

For further information, simply click the button with the i symbol.

Pressure ratings

PN 16 to PN 100 (232 to 1 450 psi) depending on the version (see table on page 3/xx)

Installation / flow direction

Vertical / from bottom to top

Rated conditions

 

Ambient temperature

 
  • With local display

-40 ... +80 °C (-40 ... +176 °F)

  • With limit switches

-40 ... +65 °C (-40 ... +149 °F)

  • With electric remote encoder (MEM)

-40 ... +70 °C (-40 ... +158 °F)

Measuring accuracy

 
  • For liquids

± 1.6%

  • For gases

± 2.0%

Reproducibility

0.5% of the measuring range limit (URV)

Operating temperature

See page 3/xx

Operating pressure

Minimum operating pressure > 2x pressure drop (see table "Measuring ranges for liquids/gases")

Design

 

Flanges

EN 1092-1, ANSI B16.5

Material

 
  • Valve

Stainless steel, Mat. No. 1.4404/316L

  • Float

Stainless steel Mat. No. 1.4404/316L, Hastelloy, PTFE

  • Wetted parts materials

Stainless steel, Mat. No. 1.4404/316L, PTFE, Hastelloy depending on version

Degree of protection (display unit)

 
  • Display unit made of aluminum

IP65

  • Display unit made of stainless steel

IP66

Electromagnetic compatibility

 
  • EN 61000-6-2: 1999

Interference immunity – industrial sector

  • EN 50081-1

Interference immunity – residential sector

  • EN 55011: 1998 + A1: 1999

Group 1, Class B

  • NAMUR recommendation

NE 21



Classification according to pressure equipment directive (PED 2014/68/EU)

 

Order no.
7ME586.-

Permissible media

Category

DN 15

xAxxx-xxxx

Gases of fluid group 1 and liquids of fluid group 1

Article 4.3

DN 20

xFxxx-xxxx

Gases of fluid group 1 and liquids of fluid group 1

Article 4.3

DN 25

xBxxx-xxxx

Gases of fluid group 1 and liquids of fluid group 1

Article 4.3

DN 32

xGxxx-xxxx

Gases of fluid group 1 and liquids of fluid group 1

III

DN 40

xHxxx-xxxx

Gases of fluid group 1 and liquids of fluid group 1

III

DN 50

xCxxx-xxxx

Gases of fluid group 1 and liquids of fluid group 1

III

DN 65

xJxxx-xxxx

Gases of fluid group 1 and liquids of fluid group 1

III

DN 80

xDxxx-xxxx

Gases of fluid group 1 and liquids of fluid group 1

III

DN 100

xExxx-xxxx

Gases of fluid group 1 and liquids of fluid group 1

III



Technical specifications of contacts

Limit switch

Cable gland

M20x1.5

Auxiliary power supply

5 to 25 V DC

Isolation (2 contacts)

Electrically isolated

Limit switch

SJ3.5-N-BU

  • Switching function

NAMUR NC

Nominal voltage UO

8.2 V DC (Ri approx. 1 k?)

Explosion protection

II 2G EEx ia IIC T6 – T4

EC Type Examination Certificate for Directive 94/9/EG

PTB 99 ATEX 2219 X



Transmitter (MEM) with 4 to 20 mA, pulse output and limit switch

Cable gland

M20x1.5

Auxiliary power supply

14 to 30 V DC

Analog output

4 ... 20 mA (2-wire)

Binary output

Pulses, limit switch

  • Pulses

Max. pulse rate 10 Hz

  • Limit switch

SJ3.5-N-BU (NAMUR, NC)

Temperature influence

? ± 0.5% of the measuring range limit (URV)/10 K

Explosion protection

ATEX II 2G EEx ia IIC T6

EC Type Examination Certificate for Directive 94/9/EG

BVS 07 ATEX E 033



Transmitter (MEM) PROFIBUS PA

Cable gland

M20x1.5

Auxiliary power supply

10 to 25 V DC

Basic current

< 16.5 mA

Fault current

< 18 mA

Transfer rate

31.25 Kbaud

Temperature influence

? ± 0.5% of the measuring range limit (URV)/10 K

Explosion protection

ATEX II 2G EEx ia IIC T6

EC Type Examination Certificate for Directive 94/9/EG

BVS 07 ATEX E 033



Float damping

Float damping is recommended

  • Generally for gas measurement
  • When air bubbles in the medium cannot be avoided
  • When there are pressure surges in the lines caused by a delay in the flow, for example, due to rapid throttling or blocking
  • When turbulence, pulsations or other instabilities cause the float to vibrate
  • When the flow pressure cannot be built up slowly
  • When vibrations in the line cannot be avoided

Design

CF-S

EF-H

FF-P1)

Wetted parts materials

Mat. no. 1.4404/316L

Hastelloy C

PTFE

Valve

Mat. no. 1.4404/316L

? DN 25 (1"): Hastelloy
> DN 25 (1"):
Hastelloy/stainless steel 1.4404/316L

Mat. no. 1.4404/316L with PTFE lining

Flange

Mat. no. 1.4404/316L

? DN 25 (1"): Hastelloy
> DN 25 (1"):
Hastelloy/stainless steel 1.4404/316L

Mat. no. 1.4404/316L

Float / measuring ring

Mat. no. 1.4404/316L

Hastelloy

PTFE

Max. medium temperature

-20 ... +200 °C (-4 ... +392 °F)
(optional -80 ... +350 °C (-112 ... +662 °F))

-20 ... +125 °C
(-4 ... +257 °F)

Nominal pressure

DN15 ... 80 (? ... 3"):
PN 40 (580 psi)
DN100 (4"): PN 16 (232 psi)
optional to 400 bar (5800 psi)

DN15 ... 80 (? ... 3"):
PN 40 (580 psi)
DN100 (4"): PN 16 (232 psi) optional to 400 bar (5800 psi)

PN 16 (232 psi)

Reference data for measuring range specifications

Fluid in l/h with density: 1.0 kg/l, temperature 20 °C (68 °F), viscosity: 1 mPa.s
Gas in m3/h with density: 1.293 kg/m3, temperature 0 °C (32 °F), viscosity: 0.0181 mPa.s, pe = 0 bar (0 psi)

Order code

Pressure loss [mbar]

Measuring ranges (dynamic 1:10)

Measurement cone

Liquids

Gases

1

2

3

4

5

6

7

[l/h]

[USgpm]

[m3/h]

[scfm]

10

401)

402)

-

-

-

-

-

0,5 ... 5

0.0022 ... 0.022

0,015 ... 0,15

0.0088 ... 0.088

11

441)

442)

-

-

-

-

-

0 ... 10

0.0044 ... 0.044

0,03 ... 0,3

0.0177 ... 0.177

12

401)

402)

-

-

-

-

-

1,6 ... 16

0.007 ... 0.07

0,045 ... 0,48

0.0265 ... 0.283

13

401)

402)

-

-

-

-

-

2,5 ... 25

0.11 ... 0.11

0,075 ... 0,75

0.0441 ... 0.441

14

401)

402)

-

-

-

-

-

4 ... 40

0.018 ... 0.18

0,13 ... 1,3

0.0765 ... 0.765

15

-

402)

-

-

-

-

-

5 ... 50

0.022 ... 0.22

0,15 ... 1,5

0.0883 ... 0.883

16

-

402)

-

-

-

-

-

7 ... 70

0.031 ... 0.31

0,2 ... 2.1

0.12 ... 1.24

17

-

60

603)

-

-

-

-

10 ... 100

0.044 ... 044

0,3 ... 3

0.177 ... 1.77

20

-

60

603)

-

-

-

-

16 ... 160

0.07 ... 0.7

0,5 ... 4.6

0.29 ... 2.71

21

-

60

603)

-

-

-

-

25 ... 250

0.11 ... 1.1

0,07 ... 7

0.412 ... 4.12

22

-

70

703)

-

-

-

-

40 ... 400

0.176 ... 1.76

1,0 ... 11

0.589 ... 6.47

23

-

80

803)

-

-

-

-

60 ... 600

0.264 ... 2.64

1,7 ... 17

1 ... 10

24

-

-

60

-

-

-

-

100 ... 1 000

0.44 ... 4.4

2 ... 30

1.77 ... 17.66

25

-

-

70

-

-

-

-

160 ... 1 600

0.7 ... 7

3 ... 46

2.35 ... 27.07

26

-

-

100

502)

-

-

-

250 ... 2 500

1.1 ... 11

6 ... 70

4.12 ... 41.2

27

-

-

2402)

1202)

80

-

-

400 ... 4 000

1.76 ... 17.6

10 ... 110

6.47 ... 64.74

30

-

-

-

1802)

90

-

-

600 ... 6 000

2.64 ... 26.4

16 ... 170

10 ... 100

31

-

-

-

-

110

-

-

1 000 ... 10 000

4.4 ... 44

28 ... 290

17.1 ... 170.7

32

-

-

-

-

230

70

-

1 600 ... 16 000

7 ... 70

45 ... 460

27.1 ... 270.7

33

-

-

-

-

230

702)

-

2 000 ... 20 000

8.8 ... 88

55 ... 550

32.4 ... 323.7

34

-

-

-

-

5002)

100

-

2 500 ... 25 000

11 ... 110

69 ... 700

41.2 ... 412

35

-

-

-

-

-

3502)

120

4 000 ... 40 000

17.6 ... 176

109 ... 1 100

64.7 ... 647.4

.436

-

-

-

-

-

3502)

1202)

5 000 ... 50 000

22 ... 220

134 ... 1 350

79.5 ... 794.6

37

-

-

-

-

-

-

3602)

6 000 ... 60 000

26.4 ... 264

169 ... 1 700

100 ...1 000

40

-

-

-

-

-

-

6002)

8 000 ... 80 000

35.2 ... 352

239 ... 2 400

141.3 ... 1 413

41

-

-

-

-

-

-

6002)

10 000 ... 100 000

44 ... 440

299 ... 3 000

176.6 ... 1 766

                    


- Not available

1) Not available for EF-H and FF-P

2) Not available for FF-P

3) Not available for CF-S and EF-H

Note: Female thread connector (DIN ISO 228, NPT ANSI B 1.20.1) not available for FF-P.

Permissible characteristics for measuring cone

Order code

Flange

Flow tube

EN 1092-1

ANSI B16.5

1

2

3

4

5

6

7

A

DN 15

?"

?1)

?

?2)

-

-

-

-

B

DN 20

?"

?1)

?2)

?2)

-

-

-

-

C

DN 25

1"

?1)

?2)

?

?2)

-

-

-

D

DN 32

1?"

?1)

?2)

?2)

?2)

-

-

-

E

DN 40

1?"

?1)

?2)

?2)

?2)

-

-

-

F

DN 50

2"

?1)

?2)

?2)

?2)

?

-

-

G

DN 65

2?"

-

-

?

?

?2)

-

-

H

DN 80

3"

-

-

-

?

?2)

?

-

J

DN 100

4"

-

-

-

-

?2)

?2)

?



Order code

Female thread

Flow tube

DIN ISO 228

NPT ANSI B 1.20.1

1

2

3

4

5

6

7

Q

G ?"

?" NPT

?

?

-

-

-

-

-

R

G 3/8"

3/8" NPT

?

?

-

-

-

-

-

S

G ?"

?" NPT

?

?

?

?

-

-

-

T

G ?"

?" NPT

?

?

?

?

-

-

-

U

G 1"

1" NPT

?

?

?

?

?

-

-

V

G 1?"

1?" NPT

?

?

-

?

?

-

-

W

G 1?"

1?" NPT

-

-

-

?

?

-

-

X

G 2"

2" NPT

-

-

-

-

?

-

-



? Available

- Not available

1) Not available for EF-H and FF-P

2) Not available for FF-P

Note: Female thread connector (DIN ISO 228, NPT ANSI B 1.20.1) not available for FF-P.
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Арматура DENDOR

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Датчики и измерители

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Регуляторы и регистраторы

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Пневматическое оборудование

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Краны и Клапаны

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Измерительные приборы

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Системы беспроводного управления «умный дом»

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Бесконтактные выключатели Конечные выключатели Оптические датчики Энкодеры

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SKW-FS - Установка умягчения

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SKW-FK - Установка обезжелезивания

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