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High Performance

Type 444 DIN

Safety valves from the High Performance product group offer especially high capacity for their size.  With a large quantity of nominal diameters (DN), pressure ranges and product options, they have proven themselves as a universal safety valve for many applications. 

Approvals

Industries

  • Chemical Industry
  • Petrochemical Industry
  • Power
  • Technical Gases
  • Food and Beverage Industry
  • Pharmaceutical Industry
Product info Metric unit US unit

Key feature

Deep-drawn body

Deep-drawn body

Nominal diameter inlet

DN 25  -  DN 80 1"  -  3"

Nominal diameter outlet

Pressure

Actual orifice diameter d0

23  -  74 mm 0,91  -  2,91 in

Actual orifice area A0

416  -  4301 mm² 0,644  -  6,666 in²

Pressure

0,1  -  16 bar 1,5  -  232 psig

Flange rating inlet

PN 16 PN 16

Temperature acc. to DIN EN

-45  to  200 °C -49  to  392 °F

Temperature acc. to ASME

-45  to  200 °C -49  to  392 °F

Body material

1.4404

SA 479 316L

KUB-Materials

Valve connection

Flange acc. to
DIN EN 1092-1
JIS 2220

Flange acc. to
DIN EN 1092-1
JIS 2220

Bellows

No bellows

No bellows

Type of loading

Spring loaded

Spring loaded

Approvals

PED/DIN EN ISO 4126-1, PED/AD 2000-Merkblatt A2, ASME Sec. VIII Div. 1, CRN, AQSIQ, EAC

PED/DIN EN ISO 4126-1, PED/AD 2000-Merkblatt A2, ASME Sec. VIII Div. 1, CRN, AQSIQ, EAC

Specials

Feature Option Code Schematic drawing
Disc

Metal sealing, with detachable lifting aid

J26 (Standard)

Metal sealing, bull-race

J24  

Metal sealing, 1.4404

L44

Metal sealing, 1.4404 stellited

J25

Seat/nozzle    
Inlet body    
Bellows    
Caps and levers

Screwed cap H2

Screwed packed lever H4

  • Cap H2
  • Lever H4
Spring

Spring, heat resistant

X01

Spring, corrosive resistant 1.4310

X04

Spring, INCONEL X-750

X08 (on request)

  • Spring
Test gag

For cap H2 (H1)

J70

For lever H4 (H6)

J69

Bonnet

Closed

Heating jacket    
Lift indicator

For lifting device H4 (H6)

J39J93

For bonnet

J38J93

Lift stopper

Ring

J51

Actuate screw H2

J52

Actuate screw H4

J50

O-ring-damper  
Butt-weld connection    
Connections outlet    
Free of oil and grease

J85

NACE material test certificate

Sour gas resistance acc. to NACE MR0175; Certificate acc. to DIN EN 10204-3.1

N78

Sour gas resistance acc. to NACE MR0103; Certificate acc. to DIN EN 10204-3.1

N77

  • NACE-Logo
KUB bursting disc
 
Documentation    
Balanced Piston    
   
   
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