✦ LIBER ✦

Double sealing system maximises valve safety

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Safety valve, sealing ring & seal assemb

📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 249 KB

Double seal valve structure

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Subsurface safety valve with metal seal

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This connector for flexible hoses has an indicator to show that the fitting is fully engaged. As the cap is

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