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Double-entry volute casing pumps for high flow rates

Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 103 KB
Volume: 1999
Category: Article
ISSN: 0262-1762
DOI: 10.1016/s0262-1762(00)87623-3

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A high flow rate, low pressure safety va

A high flow rate, low pressure safety valve for 4He pumping lines

✍ G. Dharmadurai 📂 Article 📅 1977 🏛 Elsevier Science 🌐 English ⚖ 69 KB

A high flow rate low pressure safety valve with a teble-tennis ball seating on a neoprene O-ring has been successfully fabricated and used on the intake and exhaust lines of a 4He transfer pump. This gas-tight valve opens at differential pressures less than 0.5 kN m -2 and allows 4 He gas flow rates