Product description
Spirax Safe-bloc TM double shut-off valve
with bellows seal and
relief connection for double
shut-off and simultaneous relief
of pressurized pipelines.
With double-walled bellows seal
and safety stuffing box, stroke indicator
and internal anti-rotation device
as well as heat-dissipating cover,
external spindle thread,
non-rising, ergonomic and
thermally decoupled handwheel for easy
operation.
Installation length according to EN 558-1, series 1
Connection: Flange DN 65
: EN 1092-1
Relief connection: Flange DN 15
Pressure rating: PN40
Material housing: Cast steel 1.0619+N
Cover: Steel C22.8
Internal parts: Stainless steel
Handwheel: Steel
Pressure: max. 40 bar
Temperature: max. 400 C
Kvs value: 70 m 3 /h
Manufacturer: Spirax Sarco
Type: DBB3
Order number: 7601.065.000
