If the website is not displayed correctly, please click HERE to reload.


header

Compact Performance

Type 438

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

O-ring disc

O-ring disc

Nominal diameter inlet

Nominal diameter inlet - Thread

G 3/8  -  1 NPT 1/2"  -  1"

Nominal diameter inlet - Flange

DN 15  -  DN 25 1/2"  -  1"

Nominal diameter outlet

Orifice

Pressure

Actual orifice diameter d0

10 mm 0,394 in

Actual orifice area A0

78,5 mm² 0,122 in²

Operating limits valve size

Operating limits pressure class inlet flange

Pressure

5  -  180 bar 72,5  -  2.610 psig

Flange rating inlet

PN40  -  PN400 CL150  -  CL2500

Temperature acc. to DIN EN

-29  to  150 °C -49  to  302 °F

Temperature acc. to ASME

-45  to  150 °C -49  to  302 °F

Body material

KUB-Materials

Material outlet body

1.4104, 1.4404

SA 479 430, SA 479 316L

Material inlet body

1.4104, 1.4404

SA 479 430, SA 479 316L

Valve connection

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

Bellows

no bellows

no bellows

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

soft seal CR „K” (Long version: O-ring 90 Shore for set pressures > 120 bar)

J21

soft seal NBR „N” (Long version: O-ring 90 Shore for set pressures > 120 bar)  

J30

soft seal EPDM „D” (Long version: O-ring 90 Shore for set pressures > 120 bar) 

J22

soft seal FKM „L” (Long version: O-ring 90 Shore for set pressures > 120 bar) 

J23

soft seal FFKM „C” (O-ring 90 Shore for set pressures > 40 bar)

J20

Seat/nozzle    
Inlet body    
Bellows    
Caps and levers

Screwed cap H2

Screwed plain lever H3

Screwed packed lever H4

 
Spring

heat resistant

X01

corrosive resistant 1.4310

X04

Aus INCONEL X-750

X08

 
Test gag

for Cap H2

J70

 
Bonnet    
Heating jacket

H29

 
Lift indicator    
Lift stopper    
Drain hole    
O-ring-damper    
Butt-weld connection    
Connections

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

diverse

Flange connection: DIN, ASME (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
Sparc test    
LESER Surface package    
KUB bursting disc    
Solar valve for collector field    
Conductive coating    
Gas-masking    
Special materials

Hastelloy® C4/ 2.4610

Monel® 400/ 2.4360

Duplex/ 1.4462

 
High Alloy Concept    
   
Main valve    
Pilot    
Accessories    
Box in box construction    
Heating    
Design    
Multiple valve control    
Remote lifting device    
O-ring disc    
Disc with inserted sealing plate    
Bellows Inconel    
Inconel spring    
Stainless steel spring    
High temperature equipment    
Lockable combination    
Flushing hole    
Further options Change-over-Valves    
   
Documentation    
Balanced Piston    
   
   
Back Print page To top