

Description
The insert holder consists of an inlet and an outlet piece with machined seating surfaces to form a gasket seal with 30˚ seat rupture discs.
The insert holder fits ASME, DIN, or JIS companion pipe flanges and includes pre-assembly screws and side clips for bench assembly.
LaMOT rupture discs and holders include permanent flow direction tags for easy visual verification of correct installation. Where specific holder identification tagging is required, the nameplate on the fully bolted holder will also include a stainless steel customer identification tag.
Seat configuration: 30˚ seat
Ideal for use with standard or composite 30° seat (LL) or (HL) rupture discs.
Nominal size range: 1/2″-12″ (13-300 mm)
Compatible with ASME 150# through 2500# bolt classes and the corresponding DIN or JIS flanges.
Materials: Carbon steel, 316 SS
Other materials available upon request.
Dimensions: See Table 9, 30˚ Insert Holder Weights and Dimensions.
Our options and accessories ensure that our rupture discs and holders perform in any environment. Consult a representative if you are unsure what you need.
Corrosion-resistant liners, coatings, and other protective materials available upon request.
Gaskets for a perfect seal, even on scratched or pitted disc holders.
Guard rings to prevent damage to fragile rupture discs and delicate liners from foreign material in the seating area.
Bolts and nuts for coupling a reverse-acting rupture disc insert holder to an inlet and outlet flange, available in alloy steel or 316 SS.
Jackscrews – alloy steel, three per set.
Eye bolts – carbon steel.
Cleaning for oxygen or chlorine service.
Tell-tale indicators.
Gauge taps on the holder outlet – 1/4″, 3/8″, and 1/2″ threaded (tap size, location, and type may affect holder height).
Pipe nipples and tees – carbon steel or 316 SS, 1/4″ or 1/2″.
Excess flow valve – 316 SS, 1/4″ or 1/2″.
Gauges.
