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Compact Performance

Type 459

The product group Compact Performance includes threaded and flanged safety valves with compact dimensions for economical protection of small and midsized capacites. Due to its many orifice diameters, seals, and connections this product group offers a very wide area of application.

Approvals

Industries

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

Key feature

Metal to metal or sealing plate

Metal to metal or sealing plate

Nominal diameter inlet

Nominal diameter inlet - Thread

1/2"  -  1 1/2" 1/2"  -  1 1/2"

Nominal diameter inlet - Flange

DN 15  -  DN 25 1/2"  -  1"

Nominal diameter outlet

Orifice

Pressure

Actual orifice diameter d0

9  -  17,5 mm 0,354  -  0,689 in

Actual orifice area A0

63,6  -  241 mm² 0,099  -  0,374 in²

Pressure

0,2  -  250 bar 2,9  -  3626 psig

Flange rating inlet

PN 40  -  PN 400 CL150  -  CL2500

Temperature acc. to DIN EN

-273  to  450 °C -459  to  842 °F

Temperature acc. to ASME

-196  to  450 °C -321  to  842 °F

Body material

KUB-Materials

Material outlet body

1.0619, 1.4408, 0.7043 SA 216 WCB, SA 351 CF8M, Duktil Gr. 60-40-18

Material inlet body

1.4104, 1.4404 SA 479 430, SA 479 316L

Valve connection

Thread acc. to DIN ISO 228-1, ISO 7-1 / BS 21 or ASME B1.20.1
Flange acc. to DIN EN 1092-1 or ASME B16.5

Thread acc. to DIN ISO 228-1, ISO 7-1 / BS 21 or ASME B1.20.1
Flange acc. to DIN EN 1092-1 or ASME B16.5

Bellows

Stainless steel, elastomer and hastelloy

Stainless steel, elastomer and hastelloy

Type of loading

Spring loaded

Spring loaded

Approvals

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

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

Specials

Feature Option Code Schematic drawing
Disc

metal sealing, 1.4404 (only option for 4592 and 4593; as a standard for 4594)

 L44

metal sealing, 1.4404 stellited

 J25

metal sealing, 1.4122 hardened

Seat/nozzle    
Inlet body

Stellited sealing surface/ inlet body

L20

Bellows

Balanced bellows

J78

Stainless steel bellows for higher set pressure

J55J78

Bellows hastelloy

J81

Elastomer bellows with EPDM

J79

  • Bellows
Caps and levers

Screwed cap H2

Screwed plain lever H3

Screwed packed lever H4

Spring

heat resistant

X01

corrosive resistant 1.4310

X04

INCONEL X-750

X08

  • Spring
Test gag

for Cap H2

J70

for lifting device H4

J69

Heating jacket

H29

Lift indicator

Lift indicator for lifting device H4

J39J93

Lift stopper

ring

J51

actuate screw H2

J52

actuate screw H4

J50

O-ring-damper

O-ring damper H2

J65

O-ring damper H4

J66

Connections

Threaded connection G; R/BSPT; NPT (combinations on request or in catalog)

diverse

Flange connection DIN, ASME JIS (combinations on request or in catalog)

diverse

Connections outlet    
Free of oil and grease

J85

Bug screen    
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    
Solar valve for collector field

N80

 
Special materials

Hastelloy® C4/ 2.4610

Monel® 400/ 2.4360

Duplex/ 1.4462

O-ring disc    
Documentation    
Balanced Piston    
   
   
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