HVAC Valves & Products

Automatic Flow Limiting Valves

Sizes: 1/2″ – 24″
Isolator R, Isolator Y, K Valve, Mini, Combo, Copper Sweat, Threaded Flange, Uni-Flange, Steel Flange, Grooved End, & Wafers-Class 150/300.

The Griswold Controls Automatic Flow Limiting Valve is used in many different applications, mostly in the HVAC industry to maintain balance in a HVAC System.

Automatic Flow Limiting Valves
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Manual Balance Valves

Sizes: 1/2″ – 20″
QuickDisc® and QuickSet® Manual Balance Valves and Metering Stations.

The QuickDisc® and QuickSet are manual balance valves that include brass venturi inserts for flow measurement and graduated memory stops for flow setting. Valves are available with multiple end connection options including a union end connections.

Manual Balance Valves
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Actuated Valves

Sizes: 1/2″ – 6″
Unimizer® 2 & 3 Way Actuated Ball Valves.

The Unimizer® eliminates inaccuracy in ball valves. This is made possible with the technology of the Griswold parabolic flow OPTIMIZER®, a device inserted into the ball to achieve Equal Percentage Control Characteristics.

2 Way & 3 Way Actuated Ball Valves
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Pressure Independent Valves

Sizes: 1/2″ – 10″
PIC-V, MVP®, Pinnacle and PIM Valves.

Griswold Controls' PIC-V®, MVP®, Pinnacle and PIM valves are Pressure Independent Control Valves. Pressure independent (PI) valves can help reduce energy costs and increase occupant comfort.

Pressure Independent Valves
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Combination Actuated Ball Valve and Flow Limiting Valve

Sizes: 1/2″ – 2″
Automizer® and Balance Zone Automatic Flow Limiting & Temperature Control.

Multiple Features in One Valve – Most coils have a temperature control valve and a balancing or flow limiting valve. Two valves means two manufacturers and two distributors.

Combination Valve
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Coil Piping Packages/Hose Kits

Standard Packages & Hookups
Standard Coil Piping Packages & Coil Hookups.

Griswold Coil Piping Packages are pre-assembled piping systems that save time and reduce cost. We offer fully assembled coil hook ups that can be readily connected to your system with as little as 4 connections. No more field assembled components, we do it all for you.

Coil Piping Packages
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Piping Components and Accessories

Various Sizes Available
Isolator U, Isolator B, Isolator S, Y-Strainers, Flanges Accessories.

Griswold Controls offers piping components like isolation ball valves, unions, and y-strainers that can be used to create custom coil piping packages. Griswold Controls has expanded our offering of these components to include larger accessories components like flanges, flange adapters and tees.

Piping Components
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