Hydronic Valves | McMaster-Carr

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Pipe Size

For Use With

Ethylene Glycol

Body Material

304 Stainless Steel

Inlet Pipe Size

Thread Type

Gender

Material

Stainless Steel

Actuation

Fitting Connection

Solder-Socket Union

Inlet Gender

Maximum Pressure

Shape

Valve Type

Zero Pressure Drop

Maximum Temperature

Less than 200° F

200° F to 224° F

225° F to 249° F

250° F to 399° F

400° F or greater

Handle Style

Valve Function

Pressure Relief

Connects To

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Maximum Pressure @ Temperature

200 psi @ 100° F

300 psi @ 100° F

400 psi @ 100° F

600 psi @ 100° F

1,000 psi @ 100° F

300 psi @ 250° F

Relief Port Pipe Size

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81 Products

Air Vent Valves

Air-Release Valves for Water and Coolant

Air-Release Valves for Water and Coolant

Maintain consistent flow and prevent water surges in HVAC systems

Remote-Discharge Air-Release Valves for Water

Remote-Discharge Air-Release Valves for Water

A threaded relief port directs discharge away from your work environment

Corrosion-Resistant Air-Release Valves for Water and Coolant

Corrosion-Resistant Air-Release Valves for Water and Coolant

Nylon body and rubber seal withstand wet conditions and harsh environments

Air-Release Valves for Oil and Fuel

Air-Release Valves for Oil and Fuel

Stainless steel for use with oil, diesel fuel, gasoline, and kerosene

Key-Operated Air-Release Valves for Water

Key-Operated Air-Release Valves for Water

Turn the key to manually vent radiators and heaters

Air-Release Valves for Drinking Water

Air-Release Valves for Drinking Water

Meet NSF/ANSI 61 for safe use with drinking water

Corrosion-Resistant Remote-Discharge Air-Release Valves for Water

Corrosion-Resistant Remote-Discharge Air-Release Valves for Water

Made of PVC to withstand wet conditions and harsh environments

Air-Release Valves for Steam

Air-Release Valves for Steam

Seal shut when steam enters to prevent system contents from escaping

Other Products

Manual On/Off Valves

Manual On/Off Valves

Start and stop flow through a line

Motor-Actuated On/Off Valves

Motor-Actuated On/Off Valves

An electric motor handles higher flow rates and pressures than solenoid valves

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)