Mueller Industries B34239 Four-Bolt Check Valve 2-1/8" ODS

The Mueller Industries B34239 is a Four-Bolt Check Valve with a 2-1/8" ODS connection. It is a refrigeration service check valve that lets refrigerant flow in one direction and shuts off back pressure, even at low pressure differentials. It belongs to the CHECKMASTER line of four-bolt check valves.

Key Features:

• 2-1/8" connection size
• Forged brass body
• "Y" type design for minimal pressure drop and increased flow capacity
• Heat-stabilized PTFE seat seals across a wide temperature range
• Non-asbestos gasket material helps keep the seal intact
• Design pressure / maximum abnormal pressure of 700 psig
• Continuous operating temperature of -40°F to 300°F
• Internal components can be removed and reassembled easily
• 100% tested, UL/cUL Recognized
• Installs horizontally or vertically, but not with the bonnet facing down

This four-bolt check valve suits refrigeration systems that need a serviceable check valve with low flow restriction.