The Insert Rupture Disk Holder is the most popular of all Rupture Disk Holders. The Oseco Insert holder is a reduced diameter flat-faced flange assembly that bolts between standard ANSI pipe flanges and fits with the bolt circle. This holder allows the rupture disk to be pre-assembled to insure it is properly seated before installation into the pressure system. Insert Rupture Disk Holders are available in nominal standard ANSI flange ratings up to 24". Standard materials of construction are carbon steel and 316 Stainless Steel. Other materials are available upon request.

Oseco Insert Holders are offered in three seating arrangements. The type of rupture disk to be used determines which seating arrangement to specify.

The Oseco Union Rupture Disk Holders are low in cost and are ideal for applications where installation space is limited. Time to replace the rupture disk is reduced as only the union nut is removed to obtain access to the rupture disk. Standard sizes are 1/2", 1", 1 1/2" and 2" nominal pipe sizes. Threaded inlet and outlet connections are standard. Consult factory for the availability of welded connections .

The Union Rupture Disk Holder has the standard 30° angular seat arrangement and is for use with the STD/STDV series and CO/COV series rupture disks. Standard Materials are carbon steel and 316 Stainless Steel. Special materials are available on request.

The Oseco Threaded Rupture Disk Holder is widely used on high pressure applications up to 15,000 psig. The standard unit utilizes a 11/16" flat seat or 1/2" flat seat hold-down ring. For disk rating of 1000 psig and less, the 11/16" hold-down ring is used. Standard material of construction is 316 Stainless Steel.

Standard inlet connections are 1/4" MPT or 1/2" MPT with 1/2" MPT or muffled outlet. Other materials and connections are available to your exact specifications.

The Oseco Bolted Rupture Disk Holders are available with any combination of either threaded or weld-neck inlet and outlet connections. Full diameter flat faced inlet and outlet flanges are available and designed to be used between ANSI companion flanges.

The Bolted Rupture Disk Holders are designed to be used with or in place of ANSI flanges and comply with ANSI B16.5. Standard materials of construction are carbon steel and 316 Stainless Steel. Other materials are available on request.

The Oseco fluoropolymer-booted insert holder is used in applications where aggressive corrosives are present. A solid PFA insert is pressed into the inner diameter of FRDI and PRDI non-torque-sensitive holders.

When used with rupture disks with fluoropolymer liners attached to the process side, only fluoropolymer is in contact with the media.

Oseco’s protective pipe covers shield and save. Oseco’s protective pipe covers save you money by helping to reduce the amount of water from rain and snow that accumulates in the outlet of a service relief valve on top of a rupture disk.

In addition, it keeps birds and insects from carrying debris into the outlet of an SRV. The cover wil blow off to indicate that the valve has relieved or the disk has ruptured. To retain the cover near the valve location, a tether rope attachment is supplied.

Covers are constructed of heavy-duty vinyl or Neoprene-coated polyester, with drawstring and grommet to prevent loss when valve relieves. Easy to install, covers fit over straight-cut or angle discharge piping. Please specify whether straight- or angle-cut covers are desired.