Zook RAH Pre-Torque Bursting Disc Holder
In a continued effort to provide cutting-edge products and technologies for Bursting Disc (rupture disk) users, Zook is pleased to introduce their Zook RAH Pre-Torque Bursting Disc Holder for the RA Series of Bursting Disc (rupture disks). The RA Series offers one unique holder design for use with multiple types of Zook Reverse-Acting metal Bursting Discs (rupture disks). The Zook Pre-Torque Holder Design allows pre-assembly of a Bursting Disc (rupture disk) into a holder prior to field installation.
- Pre-Torque Design:
- One holder design
- Disc dome is contained within inlet holder
- Locating Pin
- Fluoropolymer coated socket head cap screws
- Polyethylene cap screw covers
- Sizes 1” thru 12”
- Holder information is permanently affixed to the O.D. of holder
- Flow direction arrows on disc tag and holder
- Flange class and type-specific
- Positioning hole in mounting lug
- can be used as an extra “hand” when installing into horizontal piping
Options/Accessories for the Zook RAH Pre-Torque Bursting Disc Holder:
Mid/Long Pattern
- Can be machined to meet existing piping specifications
- Prevents Rupture Disc membrane from protruding beyond the outlet holder after burst
Gaskets. Gauge Tap**
- Used for monitoring pressure/temperature at rupture disc location
- Also available on inlet holder
O-Ring Seal
- Teflon encapsulated Viton
Special Coating – Fluoropolymer Teflon Sintered (FS)
- Provides durable, non-stick surface (Requires O-Ring Seal)
Features / Benefits:
- Pre-Torque Design:
pre-assembly of a rupture disc into a holder prior to field installation
removal of the assembly from the piping system for inspection without disturbing the seal integrity of the bursting disc
pre-torque bolts properly seat the disc by engaging the holder bite - pre-assembly of a rupture disc into a holder prior to field installation
- removal of the assembly from the piping system for inspection without disturbing the seal integrity of the bursting disc
- pre-torque bolts properly seat the disc by engaging the holder bite
- One holder design
accepts multiple disc designs (RA4, RA6, RA8, and RAX) - accepts multiple disc designs (RA4, RA6, RA8, and RAX)
- Disc dome is contained within inlet holder
prevents damaging the disc during installation into mating flanges - prevents damaging the disc during installation into mating flanges
- Locating Pin
allows only reverse-acting type discs to be mounted into the holder - allows only reverse-acting type discs to be mounted into the holder
- Fluoropolymer coated socket head cap screws
resists corroding to the holder assembly
provides easy removal without special sockets - resists corroding to the holder assembly
- provides easy removal without special sockets
- Polyethylene cap screw covers
prevents debris from building up in cap screw head - prevents debris from building up in cap screw head
- Sizes 1″ thru 12″
- Standard Holder Materials: Carbon Steel, 316SS, Hastelloy
- Holder information is permanently affixed to the O.D. of holder
- Bubble tight metal-to-metal bite and disc seal
- Flow direction arrows on disc tag and holder
provide permanent visual verification that holder assembly is properly oriented in the piping system - provide permanent visual verification that holder assembly is properly oriented in the piping system
- Flange class and type-specific
guards against installing an assembly into mating flanges with a different pressure rating than the rupture disc holder - guards against installing an assembly into mating flanges with a different pressure rating than the rupture disc holder
- Positioning hole in mounting lug
located in the exact position as the mating flange
allows for proper alignment
can be used as an extra hand when installing into horizontal piping - located in the exact position as the mating flange
- allows for proper alignment
- can be used as an extra hand when installing into horizontal piping
Download Zook RAH Pre-Torque Bursting Disc Holder Spec Sheet
Download Zook RAH Pre-Torque Bursting Disc Holder Spec SheetDownload Zook RAH Holder Spec Sheet
Download Zook RAH Holder Spec Sheet