Designed for highly demanding production environments,
where corrosion is a risk
In certain specic areas such as outdoor
applications and corrosive atmospheres, such
as coastal installations, there is a need for high
surface protection to prevent failure due to
corrosion.
Today's food safety standards often call for daily
treatment with detergents to protect against
bacteria growth, again producing a need for
high surface protection.
SVA-S/L SS are angleway and straightway
stainless steel shut-o valves, which are
designed to meet all industrial refrigeration
application requirements.
The valves are designed to give favourable ow
characteristics and are easy to dismantle and
repair when necessary. The valve cone is
designed to ensure perfect closing.
AI234986440234en-000801
Shut-o valve, Type SVA-S SS and SVA-L SS
Features
• Applicable to HCFC, HFC, R717 (Ammonia), R744 (CO2) and all ammable refrigerants
• Optional accessories:
◦ Heavy duty industrial hand wheel for frequent operation
◦ Cap for infrequent operation
• Available in angleway and straightway versions with Standard neck or Long neck (DN 15 to DN 40) for insulated
systems
• Designed to give favourable ow conditions
• Internal backseating enables replacement of the spindle seal whilst the valve is active, i.e. under pressure
• Housing is made of stainless steel approved for low temperature operations
• Easy to disassemble for inspection and service
• SVA-S/L SS shut-o valves can accept ow in either direction
• Butt-weld DIN and ANSI connections
• Maximum allowable working pressure and temperature range:
◦ DN 15-65: 52 bar (754 psi) at -60 °C/+50 °C (-76 °F/+122 °F)
◦ DN 80-125: 50 bar (725 psi) at -60 °C/+50 °C (-76 °F/+122 °F) For SVA-S/L SS see the relation between PS and
temperature in the curve on page 2
• Temperature range: -60 °C/+150 °C (-76 °F +302 °F)
• Compact and light valves for easy handling and installation
• Classication: DNV, CRN, BV, EAC etc. To get an updated list of certication on the products please contact your
local Danfoss Sales Company
Applicable to HCFC, HFC, R717 (Ammonia), R744 (CO2) and all ammable refrigerants. For further information please
contact your local Danfoss Sales Company.
New refrigerants
Danfoss products are continually evaluated for use with new refrigerants depending on market requirements.
When a refrigerant is approved for use by Danfoss, it is added to the relevant portfolio, and the R number of the
refrigerant (e.g. R513A) will be added to the technical data of the code number. Therefore, products for specic
refrigerants are best checked at store.danfoss.com/en/, or by contacting your local Danfoss representative.
The valves are designed for max. working pressure 52 barg (754 psig)
P
S
5
0
/
7
2
5
p
s
i
g
S
T
O
P
V
A
L
V
E
S
V
A
-
S
S
S
D
N
8
0
/
3
@
–
6
0
°
C
\
–
7
6
°
F
–
1
5
0
°
C
\
3
0
2
°
F
Shut-o valve, Type SVA-S SS and SVA-L SS
Product specication
Pressure and temperature data
Figure 1: Pressure and temperature range
Table 1: Pressure and temperature range
Design
Housing
Made of stainless steel approved for low temperature operations.
Valve cone
The valve cone can be turned on the spindle, thus there will be no friction between the cone and the seat, when the
valve is opened and closed. A teon tightening ring provides perfect sealing at a minimum closing momentum.
Spindle
Made of polished stainless steel, ideal for O-ring sealing. Furthermore, parts of the spindle are heat treated to obtain
anti-abrasive/adhesive properties.
Packing gland
The stainless steel packing gland comprises a spring loaded seal packing gland which ensures a perfect tightness in
the range: -60 °C/+150 °C (-76 °F/+302 °F). The packing glands are equipped with a scraper ring to prevent
penetration of dirt and ice into the packing gland.
It is recommended that the valves be installed in the direction of ow indicated by the arrow on the valve body. The
valve can be installed in the opposite direction but this slightly reduces the kv-value (Cv-value).
The valve is designed to withstand high internal pressure. However, the piping system in general should be
designed to avoid liquid traps and reduce the risk of hydraulic pressure caused by thermal expansion.
For further information refer to installation guide for SVA-S/L SS.
Nominal size in mm (valve
size measured on the
connection diameter)
15
DN 15 (½)
x
x
20
DN 20 (¾)
x
x
25
DN 25 (1)
x
x
32
DN 32 (1¼)
x
x
40
DN 40 (1½)
x
x
50
DN 50 (2)
x
x
65
DN 65 (2½)
x
x
80
DN 80 (3)
x
x
100
DN 100 (4)
x
x
125
DN 125 (5)
x
Connections
D
Butt-weld connection: DIN EN 10220
A
Butt-weld connection: ANSI B 36.19M
Valve housing
ANG
Angle ow
STR
Straight ow
Other equipment
H-WHEEL
Hand wheel
CAP
Cap
Size
Type
MWP
Code number
mm
in.
bar
psi
15
½
SVA-S SS 15 D ANG H-WHEEL
52
754
148B5289
15
½
SVA-S SS 15 D ANG CAP
52
754
148B5290
20
¾
SVA-S SS 20 D ANG H-WHEEL
52
754
148B5377
20
¾
SVA-S SS 20 D ANG CAP
52
754
148B5378
25
1
SVA-S SS 25 D ANG H-WHEEL
52
754
148B5486
25
1
SVA-S SS 25 D ANG CAP
52
754
148B5487
32
1¼
SVA-S SS 32 D ANG H-WHEEL
52
754
148B5566
32
1¼
SVA-S SS 32 D ANG CAP
52
754
148B5567
40
1½
SVA-S SS 40 D ANG H-WHEEL
52
754
148B5646
40
1½
SVA-S SS 40 D ANG CAP
52
754
148B5647
50
2
SVA-S SS 50 D ANG H-WHEEL
52
754
148B5753
50
2
SVA-S SS 50 D ANG CAP
52
754
148B5754
65
2½
SVA-S SS 65 D ANG H-WHEEL
52
754
148B5847
65
2½
SVA-S SS 65 D ANG CAP
52
754
148B5848
80
3
SVA-S SS 80 D ANG CAP
50
725
148B5928
100
4
SVA-S SS 100 D ANG CAP
50
725
148B6032
125
5
SVA-S SS 125 D ANG CAP
50
725
148B6126
Shut-o valve, Type SVA-S SS and SVA-L SS
Ordering
Please note that the type codes only serve to identify the valves, some of which may not form part of the standard
product range. For further information please contact your local Danfoss Sales Company.
Table 15: Type codes
NOTE:
Where products need to be certied according to speciccertication societies or where higher pressures are
required, the relevant information should be included at the time of order.
Where products need to be certied according to speciccertication societies or where higher pressures are
required, the relevant information should be included at the time of order.
Ordering SVA-L SS
SVA-L SS Angleway
Table 22: Butt-weld DIN (EN 10220)
SVA-L SS Straightway
Table 23: Butt-weld DIN (EN 10220)
ANG = Angleway
STR = Straightway
CAP = Cap
H-WHEEL = Hand wheel
The stainless steel valves are approved and CE marked in accordance with the Pressure Equipment Directive - 97/23/EC.
SVA-S/L SS
Nominal bore
DN≤ 25 mm (1 in.)
DN32-80 mm (1¼ - 3 in.)
DN100 - 125 mm (4-5 in.)
Classied for
Fluid group I
Category
Article 3, paragraph 3
II
III
Shut-o valve, Type SVA-S SS and SVA-L SS
Certicates, declarations, and approvals
The list contains all certicates, declarations, and approvals for this product type. Individual code number may have
some or all of these approvals, and certain local approvals may not appear on the list.
Some approvals may change over time. You can check the most current status at danfoss.com or contact your local
Danfoss representative if you have any questions.
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