Product Description
The MR PEX 3320600 is a 6 loop 1-1/2" chrome plated brass manifold designed for radiant heating systems. Made from high-quality extruded brass, this manifold features adjustable flow-meters for precise control of flows up to 1.6 gpm per loop. The return side includes valved on/off valves, with a balancing valve disc engineered for exact adjustments of small flows while accommodating large flows. It supports PEX and PEX-AL-PEX tubing, ideal for hydronic heating applications.
- Made from high-quality extruded brass
- Adjustable flow-meters for flows up to 1.6 gpm per loop
- Valved manifold with on/off valves on return side
Product Highlights
This fully assembled manifold provides precise flow control and robust construction for efficient radiant heating systems.
Product Information
Standard Information
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Brand: MR PEX
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Manufacturer Part Number: 3320600
Technical Specifications
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PEX Size: 3/4", 5/8"
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Loop Thread: EK25
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Supply Connection Size: 1-1/4" FNPT
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Supply Connection Type: BSP
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Number of Outlets: 6
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Material: Brass
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Application: Heating
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Fitting System Compatibility: PEX-AL-PEX Compression, PEX Compression
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Tubing Compatibility: PEX, PEX-AL-PEX
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Manifold Compatibility: Mr. PEX Manifold
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Manifold Body Material: ASTM B124 C37700 (CW612N EN12168)
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Brass Components Material: ASTM B124 C37700 (CW614N and CW617N)
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Operating Pressure: 87 psi
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Maximum Pressure (at 70 degrees F): 145 psi
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Maximum Continuous Working Temperature: 160 degrees F
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Maximum Intermittent Working Temperature: 185 degrees F (maximum 10 minutes/day)
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Working Temperature Range: 41 degrees to 158 degrees F
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Maximum Differential Pressure: 14.5 psi
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Fluids Allowed: Water/Up to 50% Propylene glycol
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Flow Indication Scale: 0 to 2 GPM (precision plus/minus 10%)
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Thermometer Scale: 32 to 175 degrees F
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Supply Balancing Flowmeter (wide open) Cv: 1.39
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Return Interception Valve (wide open) Cv: 3.24
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Manifold Union: G1-1/4" Female Swivel Nut Flat Seat
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Ball Valve Connection: 1-1/4" NPT Female x G1-14" Male Flat Seat
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Loop Connections: G1" Eurocone (EK25)
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Fill and Drain Valve Connections: 3/4" GHT
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Actuator Adapter Connection: M30x1.5
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Combined Branch Cv Value: 1.64 gpm
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Manifold Body Flow Capacity: 22 gpm