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Check valves

Swing check valve
ND (nominal diameter): 50-600 other diameters or pressures under request
NP (nominal pressure): 10-420

Technology: Molded
Principle: Simple Battant

Markets:   Connection:   Type of connection:   Passage:
Chemical
Hydroelectric
Oil / gas
 
Between flanges
Flanges
Theaded lugs
To weld
 
ANSI
BSP/NPT
BW/SW
PN/ISO
 
Full bore


Froged swing check valve
ND (nominal diameter): 10-50
NP (nominal pressure): 130-420

Technology: Forged
Principle: Simple Battant

Markets:   Connection:   Type of connection:   Passage:
Chemical
Engineering
Maintenance
Oil / gas
 
Flanges
Theaded lugs
To weld
 
ANSI
BSP/NPT
BW/SW
PN/ISO
 
Full bore


Wafer type swing check valve
ND (nominal diameter): 8-1200 other diameters or pressures under request
NP (nominal pressure): 16-200

Technology: Molded
Principle: Simple Battant

Markets:   Connection:   Type of connection:   Passage:
Chemical
Engineering
Hydroelectric
Maintenance
Oil / gas
 
Between flanges
 
ANSI
PN/ISO
 
Reduce bore


Wafer type dual plate check valve
ND (nominal diameter): 50-1200 other diameters or pressures under request
NP (nominal pressure): 10-420

Technology: Molded
Principle: Double battant

Markets:   Connection:   Type of connection:   Passage:
Chemical
Engineering
Hydroelectric
Oil / gas
 
Between flanges
 
ANSI
PN/ISO
 
Full bore


Forged lift check valve
ND (nominal diameter): 10-50
NP (nominal pressure): 130-420

Technology: Forged
Principle: Soupape

Markets:   Connection:   Type of connection:   Passage:
Chemical
Engineering
Maintenance
Oil / gas
 
Flanges
Theaded lugs
To weld
 
ANSI
BSP/NPT
BW/SW
PN/ISO
 
Reduce bore


disk check valves
ND (nominal diameter): 15-200
NP (nominal pressure): 6-50

Technology: Molded
Markets:   Connection:   Type of connection:   Passage:
Chemical
Engineering
Hydroelectric
Oil / gas
 
Between flanges
 
ANSI
PN/ISO
 
Reduce bore