Barton Firtop Engineering Co Ltd utilise 'Bandlock 2' Closures
supplied by GD Engineering on filter vessels that require
Safe Quick release access to internals where high pressure is involved.
The GD Bandlock 2 closure provides horizontal or vertical
access to Filters, Coalescers, Separaters or any pressure vessel
The proven locking band mechanism, which gives the range its
name, is a duplex stainless steel conical thrust ring fitted
between the door and neck to transmit loads uniformly to the
full 360 degree circumference of the neck.
A hand operated pressure warning device - integrated into the
mechanism - prevents the door being unlocked until confirmation
is available that the pressure has been relieved. A non-bleed
type pressure warning device can be provided in toxic or sour
service. Secondary safety features including key and valve
interlocks can also be fitted.
Safety is therefore inherent in the BANDLOCK 2. The complete
visibility of the locking band at all times satisfies design code
requirements and the Operator can actually see that the door is