MEC ME990S-3DF-400 3” Double Flanged Internal Valve Steel 400 GPM

SKU: ME990S-3DF-400

Weight	45 lbs
Condition	New
Manufacturer Part Number	ME990S-3DF-400
Brand	MEC (Marshall Excelsior)

$6,226.20

In stock — available to order.

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Same-item volume pricing

Quantity	Unit price	Saving
1–4	$6,226.20	0%
5–9	$5,914.89	5%
10+	$5,603.58	10%

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MEC ME990S-3DF-400 3” Double Flanged Internal Valve Steel 400 GPM

Specifications & product details

The ME990S-3DF-400 Steel 3” Double Flanged Internal Valve from Marshall Excelsior (MEC) is a high-capacity internal shut-off valve engineered for bulk propane, LP gas, and industrial gas applications requiring high flow rates and rugged durability.With a 400 GPM flow rating, this valve is designed for large-scale storage tanks, tenals, and high-demand propane transfer systems. Its double-flanged steel construction provides secure mounting, long service life, and reliable performance in demanding environments.Key Features & Benefits:Genuine Marshall Excelsior OEM internal valve3” double-flanged steel bodyHigh-flow 400 GPM capacityDesigned for bulk propane and industrial gas systemsCompatible with actuator-controlled valve operationsIdeal for tenals, plants, and high-volume installationsCommon Applications:Bulk propane storage tanksIndustrial LP gas transfer systemsPropane tenals and plantsHigh-flow internal valve installationsNote: Valve only. Actuator and accessories sold separately.

Important Notice – Propane Parts, Accessories, and Regulators

This product, including but not limited to propane parts, accessories, fittings, hoses, valves, and regulators, must be installed and serviced by a licensed professional in accordance with all applicable local, state, and federal codes, regulations, and standards.

The seller assumes no responsibility for the installation, inspection, application, maintenance, or use of this product.

It is the sole responsibility of the buyer to ensure the product is appropriate for their intended application and that it is installed correctly by a qualified individual.

Improper installation, maintenance, or use of propane products may result in serious injury, death, fire, explosion, or property damage.

The buyer accepts all risks, liabilities, and potential consequences associated with the use of this product.

By purchasing this item, the buyer acknowledges that they have read, understood, and agreed to these terms and confirm that installation and use will be conducted by a properly licensed and qualified professional.

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