Sherwood’s 6411 Series (also called lecture bottle valves) is designed specifically with corrosive gases in mind and with a durable construction for the specialty gases and gas mixtures used in laboratories.

• Proven leak-tight diaphragm seal
• Forged brass, aluminum silicon bronze and 303 stainless steel bodies withstand severe service conditions
• Low operating torque design ensures ease of operation during filling and use
• Available with standard CGA connections