FUSIBLE VALVES

SigmaHLR offers a variety of high end fusible valves and devices. For more information on these products or to make a purchase, please contact SigmaHLR Sales at 972-355-3047.

15RS40 – 1/2″ – cutoff valves

Sigma Fusible Valves are available in a wide range of sizes, pressures, temperatures and also include several fusible trigger design methods, stacked ball, pop-top, annulus filled to maximize the use of the low melting alloys for precise activation … Read more

15RS57 – 1/4″ – 2-way bleed

Sigma Fusible Valves are available in a wide range of sizes, pressures, temperatures and also include several fusible trigger design methods, stacked ball, pop-top, annulus filled to maximize the use of the low melting alloys for precise activation … Read more

15RS66 – 1/4″ – arctic service

Sigma Fusible Valves are available in a wide range of sizes, pressures, temperatures and also include several fusible trigger design methods, stacked ball, pop-top, annulus filled to maximize the use of the low melting alloys for precise activation … Read more

15RS70 – 1/4″ – std. service

Sigma Fusible Valves are available in a wide range of sizes, pressures, temperatures and also include several fusible trigger design methods, stacked ball, pop-top, annulus filled to maximize the use of the low melting alloys for precise activation … Read more

15RS76 – 1/4″ – 2-way pop-top

Sigma Fusible Valves are available in a wide range of sizes, pressures, temperatures and also include several fusible trigger design methods, stacked ball, pop-top, annulus filled to maximize the use of the low melting alloys for precise activation … Read more

15RS84 – 1/4″ – 3-way pop-top

Sigma Fusible Valves are available in a wide range of sizes, pressures, temperatures and also include several fusible trigger design methods, stacked ball, pop-top, annulus filled to maximize the use of the low melting alloys for precise activation … Read more

15RS128 – 1/2″ – NACE & arctic

Sigma Fusible Valves are available in a wide range of sizes, pressures, temperatures and also include several fusible trigger design methods, stacked ball, pop-top, annulus filled to maximize the use of the low melting alloys for precise activation … Read more

15RS150 – 1/2″ – 2-way bleed

Sigma Fusible Valves are available in a wide range of sizes, pressures, temperatures and also include several fusible trigger design methods, stacked ball, pop-top, annulus filled to maximize the use of the low melting alloys for precise activation … Read more

15RS155 – 1/4″ – panel mount

Sigma Fusible Valves are available in a wide range of sizes, pressures, temperatures and also include several fusible trigger design methods, stacked ball, pop-top, annulus filled to maximize the use of the low melting alloys for precise activation … Read more

Temperature Safety Elements

Sigma Fusible Valves are available in a wide range of sizes, pressures, temperatures and also include several fusible trigger design methods, stacked ball, pop-top, annulus filled to maximize the use of the low melting alloys for precise activation … Read more

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Above you have found our core product line that fits numerous applications. In the case of which you are in need of a specific material, temperature rating, or other technical specification, please contact us to see our other offerings we provide to fulfill your needs.

1.

Available Seals: Viton, Urethane, Arctic, Kalrez, Alfas, and Teflon

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Exotic Materials Available include: Inconel, Hastelloy, Monel, and Duplex Stainless Steel