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.

Features & Benefits
  • 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.
Technical Information

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 - LBV450L and LBV450VGL.

Ordering Information

LBV450L: 4” Butterfly valve c/w bonded Viton B70 and NO handle. C/W Aluminium locking tab (LBV4-7).

LBV450VGL: 4” Butterfly valve c/w bonded Viton GFLT and NO handle. C/W Aluminium locking tab (LBV4-7).

Associated Equipment

LBV4-LA: 4” machined butterfly valve c/w GFLT seal and no handle to suit actuators. 

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

LBV450-AASRZ: 4” Butterfly Valve & Spring Return Actuator Kit.

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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