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Rupture discs or safety heads are generally used as secondary relief devices on production separators. The safety head's pressure is set higher than the safety relief valve. If the relief valve cannot handle the upset in the separator, the safety head's rupture disc activates to relieve the upset.
Oseco Safety Heads and Safety Head Rupture Discs are offered in 1" and 1.5" sizes and the rupture discs have available burst pressures of 1,000psig, 1,500psig and 2,000psig.

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Don't see what you need here? Visit www.oseco.com for a full list of oilfield applications and products.