Benoil Services Ltd

8.8.1. Burst Discs 1"-style

1-inch burst disc assys
204100 1000psi 204150 1500psi 204450 4500psi
204110 1100psi 204200 2000psi 204500 5000psi
204120 1200psi 204250 2500psi 204550 5500psi
204130 1300psi 204300 3000psi 204600 6000psi
204140 1400psi 204400 4000psi 204650 6500psi
Also available as 'slick' discs without thread and OD reduced to 1.25".
This series is shown on drawing 10248. Overall length 5/8". Seal mechanisim is a chamfer o-ring seal between the side and bottom face of the port. The port drawing for these bursting discs is drawing 10499.
General notes:
Customers have asked us whether repeated pressurisation affects the foil and therefore whether the burst disc can still be relied on to rupture at the target burst pressure after multiple use. Benoil burst discs are designed for single use and therefore recommended practice is to use the discs once only.
Please note that although the nominal thru bore is 25mm, this will vary as one of the variables is the ID of the burst disc. If there is a minimum thru-bore requirement post rupture, please advise this at the time of enquiry. Some tools / applications have a critical minimum flow rate or a minimum debris size to pass post rupture.

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