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High Performance

Type 441, 442 XXL

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

High nominal diameter

High nominal diameter

Nominal diameter inlet

DN 200  -  DN 400 8"  -  16"

Nominal diameter outlet

Pressure

Actual orifice diameter d0

165  -  295 mm 6,5  -  11,61 in

Actual orifice area A0

21382  -  68349 mm² 33,143  -  105,942 in²

Pressure

0,2  -  25 bar 2,9  -  363 psig

Flange rating inlet

PN 16  -  PN 25 CL150  -  CL300

Temperature acc. to DIN EN

-196  to  550 °C -321  to  1022 °F

Temperature acc. to ASME

-184  to  427 °C -300  to  800 °F

Body material

1.0460 / 1.0425, 1.4571

Carbon steel, 316Ti

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

(standard)  

Disc, metal sealing, bull-race

J24  

Disc, metal sealing, 1.4404

L44

Disc, metal sealing, 1.4404 stellited

J25

With soft sealing O-ring CR „K”

J21

(on request)

With soft sealing O-ring NBR „N”

J30

(on request)

With soft sealing O-ring EPDM „D”

J22

(on request)

With soft sealing O-ring FKM „L”

J23

(on request)

With soft sealing O-ring FFKM „C”

J20

(on request)

Seat/nozzle

Stellited seat / sealing surface

L62

Inlet body    
Bellows

Balanced bellows with closed bonnet

J78

Balanced bellows with open bonnet

J68

Balanced bellows with special material Hastelloy

J81S15

Balanced bellows with special material INCONEL

J83S15

  • Bellows
Caps and levers

Screwed cap H2

Screwed packed lever H4

Bolted cap H1

Bolted lifting device H6

  • Screwed cap H2
  • Packed lever H4
  • Bolted H1
  • Bolted H6
Spring

Warmfest

X01

Korrosionsfest 1.4310

X04

INCONEL X-750

X08 (on request)

  • Spring
Test gag

For cap H2 (H1)

J70

For lever H4 (H6)

J69

Bonnet

Closed


Open


Heating jacket

on request

Lift indicator

Lift indicator for lifting device H4 (H6)

J39J93

Lift stopper

Ring

J51

Actuate screw H2

J52

Actuate screw H4

J50

Drain hole

G1/2"

J19

  • Drain hole
O-ring-damper    
Butt-weld connection

S05

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

KUB bursting disc

on request

  • Bursting disc
Documentation    
Balanced Piston    
   
   
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