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High Performance

Type 441, 442 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

DIN Flange

DIN Flange

Nominal diameter inlet

DN 20  -  DN 200 3/4"  -  8"

Nominal diameter inlet - Thread

Nominal diameter inlet - Flange

Nominal diameter outlet

Pressure

Actual orifice diameter d0

18  -  165 mm 0,71  -  6,5 in

Actual orifice area A0

254  -  21382 mm² 0,394  -  33,142 in²

Pressure

0,1  -  40 bar 1,5  -  580 psig

Flange rating inlet

PN 16  -  PN 40 CL150  -  CL300

Temperature acc. to DIN EN

-270  to  450 °C -454  to  842 °F

Temperature acc. to ASME

-268  to  538 °C -450  to  1000 °F

Body material

0.6025, 0.7043, 1.0619, 1.4408

Cast iron, Ductile Gr. 60-40-18, SA 216 WCB, SA 351 CF8M

KUB-Materials

Valve connection

Flange acc. to 
DIN EN 1092-1
ASME B 16.5
JIS 2220

Flange acc. to 
DIN EN 1092-1
ASME B 16.5
JIS 2220

Bellows

Stainless steel and elastomer

Stainless steel and elastomer

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

Metal sealing, bull-race

J24  

Metal sealing, 1.4404

L44

Metal sealing, 1.4404 stellited

J25

With soft sealing O-ring CR „K”     

J21

With soft sealing O-ring EPDM „D”

J22

With soft sealing O-ring FKM „L”

J23

With soft sealing O-ring FFKM „C”

J20

With soft sealing plate SP „T”

J49

With soft sealing plate PCTFE „G” 

J48

With soft sealing platePTFE „A”

J44

Seat/nozzle

Stellited seat / sealing surface

L61

Bellows

Balanced bellows with closed bonnet

J78

Balanced bellows with open bonnet

J68

Balanced bellows for low set pressures with closed bonnet

J78J63

Balanced bellows for low set pressures with open bonnet

J68J63

Balanced bellows with special material Hastelloy

J81S15

Balanced bellows with special material INCONEL

J83S15

Elastomer bellows EPDM

J79

Elastomer bellows NBR

J87

Caps and levers

Screwed cap H2

Screwed plain lever H3

Screwed packed 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

Open

Heating jacket
Lift indicator

Lift indicator for lifting device H4 (H6)

J39J93

Lift stopper

Ring

J51

Actuate screw H2

J52

Actuate screw H4

J50

Drain hole

G1/4"

J18

G1/2"

J19

  • Drain hole
O-ring-damper

H2

J65

H4

J66

Butt-weld connection    
Connections    
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
  • Bursting disc
Documentation    
Balanced Piston    
   
   
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