Technical Data

Chemical seals for hygienic pressure applications DAxx series
All stainless steel, flush diaphragm
Rapid assembly and disassembly
Fluid temperature up to 150°C depending on pressure, measuring device or mounting.
3-A authorization (N°1118) :
- DANC, sterilization in place (SIP), cleaning in place (CIP)
- DAEF, DAEL, DADF, DADL cleaning out of place
Complies with FDA and EHEDG recommendations
Wetted surface roughness: arithmetic average surface roughness Ra ≤ 32 µ inch (≤ 0.8 µm)
Electropolishing option: housing and diaphragm arithmetic average surface
roughness Ra ≤ 16 µ inch (≤ 0.4 µm), laser weld Ra ≤ 32 µ inch (≤ 0.8 µm)
Diaphragm material : 1.4435 - Hastelloy option C276/2.4819
Hygienic seals are designed for systems needing contact surfaces that are rigorously
clean and totally safe. The function of the chemical seal is to isolate the pressure gauge
from the process fluid, preventing bacteria developing inside the pressure gauge’s
sensing element.
The fluid pressure being measured acts on the diaphragm and is transmitted
to the pressure gauge by a neutral transmitting liquid.
The quick release coupling and flush diaphragm facilitates easy cleaning.
The following connection systems are offered :
CLAMP system to NF E 29521, ISO 2852 and DIN 32676 standards
NUT system to SMS 1145 standard
NUT system to DIN 11 851 standard
NUT system according to BS 4825 (RJT-IDF)
CLAMP system compatible with VARIVENT® model
Specifications
Compatibility table of hygienic seals with pressure gauges (direct mounting)
Fluid temperature: -20 ...100°C
Range in bar according to the
temperature
Ambient temperature: -10 ... 50°C
MEX2 (Ø50) - MEX3 (Ø63)
DN25 (DANC/DADL/DAEL)
1"1/2 / DN32 - DN38 - DN40 + DAVA DN25
2"/ DN50 - DN51 + DAVA DN40/125
1"1/2 / DN32 - DN38 - DN40 + DAVA DN25
2"/ DN50 - DN51 + DAVA DN40/125
DN25
(1)
MX35 (Ø100)**
MEX5 (Ø100)
0 ... 4 to 0 ... 25
0 ... 4 to 0 ... 25
Not available
0 ... 2,5 to 0 ... 40
0 ... 2,5 to 0 ... 4
0 ... 6 to 0 ... 40
0 ... 1 to 0 ... 40
0 ... 1 (*)
0 ... 1,6 to 0 ... 40
-1 ... 3 to -1 ... 39
-1 ... 3
-1 ... 5 to -1 ... 39
-1 ... 1,5 to -1 ... 39
-1 ... 1,5
-1...3 to -1 ... 39
-1 ... 3 to -1+24
-1 ... 3 to -1 ... 24
Not available
(*) class 2.5
(1) Fluid : -10°C + 100°C
Fluid temperature: -20 ... 150°C
Range in bar according to the
temperature
Ambient temperature: -10 ... 70°C
MEX2 (Ø50) - MEX3 (Ø63)
MX35 (Ø100)**
DN25 (DANC/DADL/DAEL)
0 ... 6 to 0 ... 25
0 ... 6 to 0 ... 25
Not available
1"1/2 / DN32 - DN38 - DN40 + DAVA DN25
0 ... 4 to 0 ... 40
0 ... 4 to 0 ... 6
0 ... 10 to 0 ... 40
2" / DN50 - DN51 + DAVA DN40/125
0 ... 1,6 to 0 ... 40
0 ... 1,6
0 ... 2,5 to 0 ... 40
1"1/2 / DN32 - DN38 - DN40 + DAVA DN25
-1... 5 to -1 ... 39
-1 ... 5
-1 ... 9 to -1 ... 39
2" / DN50 - DN51 + DAVA DN40/125
-1 ... 3 to -1 ... 39
Not available
-1 ... 3 to -1 ... 39
DN25
-1 ... 5 to -1 ... 24
-1 ... 5 to -1 ... 24
Not available
(2)
MEX5 (Ø100)
(2) Fluid : -10°C + 120°C
Note**: The MX35 is a pressure gauge DN100 stainless steel, class 1.6 specially designed to be mounted on seals only in the range
above. D type and G½ connection exclusively. This pressure gauge is not available separately.
Pressure gauge
MEX2 (Ø50) - MEX3 (Ø63) : class 1.6
accuracy (20°C)MX35 (Ø100) : class 1.6 except 0+1 bar (class 2.5)
(the MX35 has an MEX3 tube and block mounted in an MEX5 case)
MEX5 (Ø100) : class 1
Max. range
0+40 bar or -1+39 bar
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Design and specifications subject to change without notice
Data sheet A43.01
Page 1
Range of hygienic seals, dimensions
DANC (CLAMP according to NF E 29521 / ISO 2852 / DIN 32676 standards
DAVA - VARIVENT®
ØD
ØB
A
1
H
Seal (EPDM)
C
Housing 1
Housing
2
Collar (option) 4
Endpiece (option) 3
DN
Dimensions mm
Dimensions mm
DN to
NF E 29521
ISO 2852 std
DN to
DIN 32676 std
DN25 & 38
DN51
DN25 & 40
DN50
A
ØB
G½ ou
or G¼ 50.5
G½ ou
or G¼
64
H
66
79
~60
0.200
~65
0.320
C
32 1)
32 1)
1)
Other nominal diameters on request
D
Weight Kg
➀ +➁
DAVA
VARIVENT
DN
A
D
S
/Flats
Weight Kg
25
40/125
G½ ou G¼
50
27
0.200
G½ ou G¼
68
27
0.320
➀
for G¼, C = 30
DAEF (SMS 1145 with threaded housing
DAEL (SMS 1145 with smooth housing)
ØD
ØB
A
4 Nut
S
C
A
Housing 1
C
Housing 1
2 Seal EPDM
3 Endpiece (option)
2 Seal EPDM
4 Nut (option)
3 Endpiece (option)
ØB
ØD
Dimensions mm
Model
DN38 (1"½)
DN51 (2")
DN25 (1")
DAEL
(SMS 1145) DN38 (1"½)
DN51 (2")
DAEF
(SMS 1145)
A
DN mm or in.
ØB
to SMS std
dimensions
Weight Kg
C
D
➀+➁+➂+➃
➀+ ➁
Weight Kg
➀ + ➁ +➃
G½ or G¼
G½ or G¼
60 x 1/6
70 x 1/6
32
32
74
84
~55
~55
0.400
G½ or G¼
40 x 1/6
60 x 1/6
32 1)
33 1)
51
74
~50
~55
0.160
G½ or G¼
0.300
0.540
G½ or G¼
70 x 1/6
331)
84
~60
0.420
0.730
Other nominal diameters on request
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Design and specifications subject to change without notice
1)
S
27
27
0.480
0.310
for G¼, C = 28
Data sheet A43.01
Page 2
DADF (DIN 11851 with threaded housing)
DADL (DIN 11851 with smooth housing)
ØD
ØB
A
4 Nut
A
C
Housing 1
1
C
Housing
2 Seal EPDM
2 Seal EPDM
3 Endpiece (option)
3 Endpiece (option)
4 Nut (option)
ØB
ØD
Dimensions mm
Model
DN mm
ØB
A
DN32
DN40
(DIN 11851)
DN50
DN25
DN32
DADL
(DIN 11851) DN40
DN50
to DIN std
D
➀+➁+➂+➃
dimensions
Weight Kg
0.360
➀+ ➁
Weight Kg
➀+➁ + ➃
58 x 1/6
65 x 1/6
40 2)
40 2)
70
78
~58
G½ or G¼
~59
0.460
G½ or G¼
78 x 1/6
42 2)
92
~63
0.580
0.230
0.420
0.290
0.500
G½ or G¼
DADF
C 3)
G½ or G¼
52 x 1/6
G½ or G¼
G½ or G¼
58 x 1/6
65 x 1/6
37 1)
37 1)
37 1)
63
70
78
~59
~62
~63
0.360
0.610
G½ or G¼
78 x 1/6
37 1)
92
~65
0.530
0.880
Other nominal diameters on request
1)
2)
3)
for G¼, C = 31
for G¼, C = 35
Reduced height option
DARL (RJT according to BS 4825 part 5)
DAIL (IDF according to BS 4825 part 4)
ØD
ØD
4 Nut
4 Nut
S
S
A
1 Housing
C
C
A
1 Housing
2 Seal EPDM
DARL (RTJ)
DN
3 Endpiece
(option)
3 Endpiece
(option)
ØB
Modèles
DAIL (IDF)
DAIL (IDF)
2 Seal EPDM
ØB
A
B
C
D
S
/plats
Hexagonal /flats
Dimensions
Encombrement
Weight
MassekgKg
➀+➁+➃
1"½
2"
G½ ou
or G¼
50.7 8x1
64.2 8x1
35
27
60
75
27
27
60
52
540
G½ ou
or G¼
1"½
G½ ou
or G¼
58.4 8x1
38
65
27
60
440
2"
G½ ou
or G¼
72.7 6x1
33
79
27
55
590
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Design and specifications subject to change without notice
700
Data sheet A43.01
Page 3
Limits of use
If the temperature of the process fluid exceeds 150°C, a type ASIP D or equivalent cooling
element needs to be fitted between the diaphragm seal and the measuring device.
To keep 3-A requirements :
• gaskets must be self centering and in accordance to 3-A material requirements
• the fittings must be self draining and as short as possible (see drawings)
• the weldings of fitting shall have a roughness Ra ≤ 0.8 µm (≤ 32 µ inch)
• the pressure gauge mounted with the hygienic seal shall not have a window in
standard glass
3° min.
ok
No
acceptable
no
Ordering
1´ ... 2´ digit
Model
CLAMP
SMS FF (6)
SMS FL (6)
DIN FF (6)
DIN FL (6)
IDF (1)
RJT (1)
VARIVENT® (1)
3´ ... 4´ digit
Dimensions and types of top housing
DN25 according to NF E 29521 ISO2852
DN38 according to NF E 29521 ISO2852
DN51 according to NF E 29521 ISO2852
DN25 according to DIN 32676
DN40 according to DIN 32676
DN50 according to DIN 32676
5´ ... 6´ digit
DANC
DAxxxxxxxx
DA
NC
EF
EL
DF
DL
IL
RL
VA
DN25 according to SMS 1145
DN38 according to SMS 1145
DN51 according to SMS 1145
DAEF/DAEL
DN25 according to DIN 11851
DN32 according to DIN 11851
DN40 according to DIN 11851
DN50 according to DIN 11851
DADF/DADL
07
01
02
08
10
13
09
11
14
06
03
04
05
DN 1”1/2 IDF according to BS 4825 part 4 (1)
DN 2” IDF according to BS 4825 part 4 (1)
DAIL
15
16
DN 1”1/2 RJT according to BS 4825 part 5 (1)
DN 2” RJT according to BS 4825 part 5 (1)
DARL
17
18
DN 25 (1)
DN 40/125 (1)
DAVA
19
20
Top housing material
Stainless steel 316L
7´ digit
Top housing thread
G1/2 female
G1/4 female
1/2 NPT female
1/4 NPT female
8´digit
Diaphragm material
Stainless steel 316L
Hastelloy C276 (please call our sales office)
9´ digit
Type of assembly
Complete assembly with collar and seal endpiece (1) (5)
Upper housing alone (4)
Upper housing with seal and nut or collar (2)
Electropolished upper housing (4)
Electropolished upper housing with seal (2) (4)
Upper housing with seal (2) (4)
Filling fluid (3)
Code
**
Operating temperature
LRS 0
No filling
LRS 1
-15° ... 150°C
Application
Application food and industry
CODEX (FDA approved)
LRS 2
-60° ... 150°C
LRS 3
-20° ... 300°C
Other
applications
LRS 4
-15° ... 150°C
Oxygen–chlorinated products
Max. P = 150 bar
LRS7
-20° ... 80°C
Paint application
No vacuum scale available
Filling under vacuum
LRS10
-20° ... 225°C
Food processing
High temperature
(FDA approved)
3-A Authorization
DAxx mounted on pressure gauges MEX, MIX, MMX, MEP or
transmitters E930/Y930 and TED/YTED pressure swichtches.
Note: The "3-A" marking is applied on the associated device:
(1) Codes incompatible with 3-A option
(2) As standard, the EPDM seal is not compatible with option 3-A.
Gaskets according to 3-A requirements on request for DANC
ISO DN38 and DN51.
Code : D
ANC 01 2 x 2 x
DANC 02 2 x 2 x
(3) 3-A option only with filling fluids : LRS 1 and LRS 10
(4) Except for DADL, DAEL, DAIL and DARL. Use exclusively the models fitted with nuts (codes 1 or 3).
(5) Except DANC according to DIN 32676.
(6) 3A marked models only for cleaning out of place.
2
L
H
N
8
2
6
10´ digit
1
2
3
5
6
7
3-A Approval codification (option 1985) : please call our sales office
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Design and specifications subject to change without notice
Data sheet A43.01
Page 4
UK/12-2014 This data sheet may only be reproduced in full
Family
Chemical seal