4" Lockable Flanged Butterfly Valves

Liquip's lockable 4" butterfly valves provide and control full flow through pipelines fitted with 100mm (4") TTMA flanges.

The Lockable feature ensures users don't inadvertently  lock or open the butterfly valve.

  • 100mm (4") product flow with locking tab.
  • Bonded Viton GFLT seal for increased durability.
  • Bonded seal also means no gaskets are required.
  • Industry Standard 4" TTMA Flange Mounting.
  • Lightweight aluminium body.
  • Can be fitted with an Air Actuator or locking tab as required.

Working pressure
1500kPa (210 PSI) in open position.
750kPa (123.25 PSI) in closed position

Operating temperature
–40°C to 100°C.

Mounts directly to Liquip 100mm TTMA standard flange with chamfered entry to ensure disc clearance in open position.

Periodically (approx every 6 months), inspect butterfly seat.

1.8kg - LBV450VGL.

LBV450VGL: 4” Butterfly valve c/w bonded Viton GFLT seal and aluminium locking tab.

LBV4-LA: 4” machined butterfly valve.

LBV4-AAZ: 4” Butterfly Valve & Air Actuator.

LBV4-AASRZ: 4” Butterfly Valve & Spring Return Actuator.

LBV-AA: Air Actuator.

LBV-AASR: Spring Return Air Actuator.

LBV4-7: locking tab.

BF4: 100mm TTMA aluminium flange (also available in mild & stainless steels).

0657V: 100mm TTMA Viton gasket.

4248: 100mm TTMA klingerite gasket.


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