503843 Supelco

Supelco Rotameter

flow range, 0 ‑ 33 mL/min, without needle valve



General description

This rotameter is designed for the accurate regulation of gas flow, providing measurement at the same time. This versatile unit includes four interchangeable floats, each with a different working range. Simply install the float required for the application. Standard flow tables in mL/min at STP are included.

The rotameter is easy to mount. Alternatively, it can be installed on a tripod assembly (order tripod assembly separately). Available with or without needle valve.

• Max. Pressure: 200 psig (13.8 bar)
• Max. Temp.: 250 °F (121 °C)
• Connections: 1/8 in. female NPT (use connector to male NPT fittings to connect into gas delivery system)

Float Upper Flow Rates
0-33 mL/min. Rotameter
• Glass Float: 6 mL/min.
• Sapphire Float: 8 mL/min.
• Stainless Steel Float: 17 mL/min.
• Carboloy Float: 33 mL/min.

0-110 mL/min. Rotameter
• Glass Float: 19 mL/min.
• Sapphire Float: 30 mL/min.
• Stainless Steel Float: 61 mL/min.
• Carboloy Float: 110 mL/min.

0-246 mL/min. Rotameter
• Glass Float: 49 mL/min.
• Sapphire Float: 73 mL/min.
• Stainless Steel Float: 137 mL/min.
• Carboloy Float: 246 mL/min.

0-454 mL/min. Rotameter
• Glass Float: 92 mL/min.
• Sapphire Float: 140 mL/min.
• Stainless Steel Float: 264 mL/min.
• Carboloy Float: 454 mL/min.

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