ARI

ARI Spring-loaded safety valve Type 15640 series 55.901 stainless steel gastight closed bonnet closed lever adjustment range 22.10 - 24.00 barg inlet PN40 DN40 outlet PN16 DN65

  • ERIKS:12617064
Image 1
Full lift safety valves are mainly applied for vapours (including steam) and gases. Suitable for liquids in large volumes.
Design according EN ISO4126-1, TRD421 and AD2000-A2
Type approvals: TÜV, PED, DNV.

Options:
- O-ring in valve: EPDM, Neoprene (CR) or Viton (FPM).
- Stainless steel bellows.

Material body: Stainless steel 1.4408
PN40 / flange outlet PN16
Closed bonnet, closed lifting device
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€4,989.50/ pieceexcl. VAT

€6,037.30incl. VAT

Estimated delivery date - 09/12/2026
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Brand
ARI
Series
55.901
Type
15640
Norm
ISO 4126-1
Model
Spring-loaded safety valve
Construction type
Right-angled
Housing material inlet side
Stainless steel
Material quality inlet side
1.4408
Housing material outlet side
Stainless steel
Material quality outlet side
1.4408
Nominal inner diameter inlet side
DN40
Connection inlet side
Flange
Pressure rating inlet side
PN40
Standard connection inlet side
EN 1092-1
Nominal inner diameter outlet side
DN65
Connection outlet side
Flange
Pressure rating outlet side
PN16
Standard connection outlet side
EN 1092-1
Flange finish
Raised face
Adjustment range
from 22.1 to 24 bar
Blow-off characteristic
High-lifting
Valve bore
36 mm
Valve lifter
Closed
Gastight valve
Yes
Spring cap, closed
Yes
Material spring bonnet
1.4408
Material disc
1.4571
Seat material
1.4571
Sealing
Metal
Bellows seal
No
Spring material
1.4310
Spindle material
1.4571
Medium temperature
from -60 to 400 °C