Materials and max. permissible liquid temperatures

Housing (also lining with acid resistant meters) and measuring chamber

Temperature range

• Cast iron, spheroidal graphite, cast steel, Cranium steel

-30 … +300 °C (-22 … +572 °F)

General data

Error limits

Between 0.2 % and 0.5 % of the correct value (depending on the metered fluid, the measuring range and the relevant calibration regulations) except for rotary-piston meters DN 15 (?“) and acid-resistant meters with PCTFE pistons; where 1 % of the actual value applies.

Reproducibility

Within 0.05 %

Adjustment

In steps from 0.01 %

Pressure drop

Max. permissible 3 bar (43.5 psi), max. 0.5 bar (7.25 psi) for acid resistant meters

Transmission from wet to dry space

Gland-free, via permanent magnet coupling

Installation position (axis of meter mechanism)

• Rotary-piston meter for industrial use
  

• Automatic batchmeter

Vertical

• Special designs

• Rotary-piston meter for oil fuels

Any

• Rotary-piston meter for liquid gas

Meter axis vertical

Special inlet and outlet pipe sections

Not necessary

Pipe connection

Flanges drilled to DIN 2501, DIN 2547 (PN 63 only)

Filter size (mesh width)

0.8 mm (0.031 inch) for rotary-piston meter

Design

DN

PN

Rated flow rate

Permissible flow rate

With viscosity⁸⁾

Min.¹⁾ with continuous²⁾ operation

Max. with intermittent³⁾⁴⁾ operation

Max. with continuous operation

mm

(inch)

bar

(psi)

l/min

(USgpm)

mPa·s (cp)

l/min

(USgpm)

l/min

(USgpm)

l/min

(USgpm)

Rotary-piston meters for industrial use

up to PN 16 (MWP 232 psi)

up to PN 63 (MWP 914 psi)

15⁵⁾

(?)⁵⁾

25

(363)

20

(5.3)

? 1
< 5
800
2000

1.5
1.0
0.2
0.2

(0.26)
(0.2)
(0.05)
(0.03)

10⁶⁾
20
20
10

(5.3)
(5.3)
(5.3)
(1.3)

10
10
10
5

(2.6)
(2.6)
(2.6)
(1.3)

25

(1)

10
16
25
40
63

(145)
(232)
(363)
(580)
(914)

100

(26.4)

0,3
0,6
1
5
800

12
6
5
3
1

(3.2)
(1.6)
(1.3)
(0.8)
(0.26)

100
100
100
100
100

(26)
(26)
(26)
(26)
(26)

80
80
80
80
80

(13)
(13)
(13)
(13)
(13)

50

(2)

6
16
25
40
63

(87)
(232)
(363)
(580)
(914)

500

(132)

0.3
0.6
1
5
800

40
20
18
10
2

(11)
(5.3)
(4.8)
(2.6)
(0.53)

500
500
500
500
500

(106)
(132)
(132)
(132)
(106)

350
350
350
350
350

(44)
(44)
(44)
(44)
(44)

80

(3)

25
40

(363)
(580)

1000

(264)

0.3
0.6
1
5
800

60
35
25
10
5

(16)
(9.3)
(6.6)
(2.6)
(1.3)

1000
1000
1000
1000
1000

(211)
(264)
(264)
(264)
(211)

700
700
700
700
500

(93)
(93)
(93)
(93)
(93)

Automatic batchmeter (Rotary-piston meter with quantity preset register and mechanical shut-off valve)

25

(1)

10

(145)

100

(26.4)

0.3
0.6
1
5
800⁷⁾

12
6
5
3
1

(3.2)
(1.6)
(1.3)
(0.8)
(0.26)

100
100
100
100
100

(26)
(26)
(26)
(26)
(26)

-

-

50

(2)

6
10

(87)
(145)

500

132

0.3
0.6
1
5
800⁷⁾

40
20
18
10
2

(11)
(5.3)
(4.8)
(2.6)
(0.53)

500
500
500
500
400

(106)
(132)
(132)
(132)
(106)

-

-

Carbon

-10 … 300/14 … 572

25

K

Cast iron (mat. No. GG 25)
Cast iron (mat. No. GG 25)

with slotting

-10 … 300/14 ... 572
-10 … 300/14 ... 572

E
B

Ni-Resist (mat. No. 0.6660)
Ni-Resist (mat. No. 0.6660)

with slotting

-10 … 300/14 ... 572
-10 … 300/14 ... 572

N
C

Hard rubber
Hard rubber

with slotting

-10 … +40¹⁾/14 ... 104¹⁾
-10 … +40¹⁾/14 ... 104¹⁾

50
50

G
D

PTFE/graphite filling
PTFE/graphite filling
PTFE/graphite filling
PTFE/graphite filling

with slotting

with slotting

0 … 40²⁾/32 … 104²⁾
0 … 40²⁾/32 … 104²⁾
0 … 90²⁾/32 … 194²⁾
0 … 90²⁾/32 … 194²⁾

120
120
120
120

F
L
R
M

PCTFE
PCTFE

with slotting

-10 … +40²/14 … 104²⁾/
-10 … +40²/14 … 104²⁾

120
120

H
J

CrNi steel with carbon contact surface (only DN 25 (1“))
CrNi steel with PTFE contact surface (only DN 25 (1“))

Collar piston

-10 … +200/14 ... 392
-10 … +40/14 ... 104

> 10
> 10

S
T