API Standard On-Off Valves

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17-4 PH Stainless Steel

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153 Products

About On/Off Valves

Threaded On/Off Valves for Fuel

Protect personnel and equipment in the presence of diesel fuel, fuel oil, gasoline, and kerosene. Fire-tested to meet American Petroleum Institute (API) 607, Edition 4, these valves are designed to securely isolate fluid and prevent the spread of fire.

High-Pressure Threaded Gradual On/Off Valves

Designed for use in refineries and other demanding environments, these valves have a durable body that can withstand nearly twice the pressure of other gradual on/off valves.

Flanged Gradual On/Off Valves

Vapor-Sealing Flanged Gradual On/Off Valves

Control the flow of steam, hazardous gases, and other vapors without risking leaks. These valves have an accordion-like bellows around the stem that expands as they open and contracts as they close, forming an airtight seal.

High-Pressure Socket-Connect
Gradual On/Off Valves

With a forged steel body and bolted construction, these valves can withstand nearly 10 times the pressure of other socket-connect gradual valves.

Actuated On/Off Valves

Flanged Air-Driven On/Off Valves

Also known as butterfly valves.

Air-Driven On/Off Valves for Fuel

Use these valves to safely transfer fuel and oil.

Flanged Motor-Driven On/Off Valves

Also known as butterfly valves.

Motor-Driven On/Off Valves for Fuel

Use these valves to safely transfer fuel and oil.

Sampling Valves for Fuel

Often installed on petroleum loading arms to test fuel quality without interrupting flow, these valves are fire-tested to meet American Petroleum Institute (API) 607, Edition 5, for securely isolating fluid and preventing the spread of fire.

About On/Off Valves

On/Off Valves

Threaded On/Off Valves for Fuel

High-Pressure Threaded Gradual On/Off Valves

Flanged Gradual On/Off Valves

Vapor-Sealing Flanged Gradual On/Off Valves

High-Pressure Socket-ConnectGradual On/Off Valves

Actuated On/Off Valves

Flanged Air-Driven On/Off Valves

Air-Driven On/Off Valves for Fuel

Flanged Motor-Driven On/Off Valves

Motor-Driven On/Off Valves for Fuel

Sampling Valves for Fuel

Sampling Valves for Fuel

High-Pressure Socket-Connect
Gradual On/Off Valves