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Engineered Controls 3149G Pop-Action Relief Valve 2-1/2″ M NPT 250 PSI ASME LP G

SKU: A3149G

$2,172.19

In stock

Same-item volume pricing
QuantityUnit priceSaving
1–4$2,172.190%
5–9$2,063.585%
10+$1,954.9710%

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REGIONS SUPPLY BUYING GUIDE

Product details & buying advice

Select container relief equipment from the tank requirements, including the discharge setting and relieving capacity.

Product type Tank pressure relief valves
Part / SKU A3149G

What to check before ordering

  • Check the container type, service medium, connection and required start-to-discharge setting.
  • Confirm sufficient relieving capacity and the outlet protection or discharge arrangement specified for the model.
  • Use qualified service personnel for inspection and replacement, with both the tank and valve instructions available.

Service reminder: Keep tank relief and trapped-liquid line relief separate in your parts selection. A matching thread does not make those valves interchangeable.

Have gas-system installation and service completed by qualified personnel. Use the current instructions for the exact model and the requirements that apply at the installation location.

Product help & manufacturer resources

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Overview

Ensure maximum safety and compliance for your ASME containers and bulk plant installations with the Engineered Controls 3149G Pop-Action Pressure Relief Valve. This heavy-duty 2-1/2" M NPT valve is ASME-rated and designed for LP gas, propane, and anhydrous ammonia systems.

Primary

Applications

  • Above-ground and underground ASME containersBulk plant skid tanksPrimary or secondary relief valve for DOT cylindersHydrostatic relief valve applications

Key Features & Benefits

  • Pop-Action Design — Minimizes product loss during operationAutomatic Reseating — Valve closes securely after pressure reliefResilient Seat Disc — Ensures bubble-tight seal for reliable performance
  • Built-In Protection — Pipeaway adapter with break-off groove to prevent stress damageFlame Safety — Weep hole deflector protects adjacent containers from flame impingementHigh Pressure Rating — Set to discharge at 250 PSIG (Start-to-discharge at 250 PSI)

Specifications

  • Height: 10-1/2"Wrench Hex Section: 4-1/8"
  • Material: Steel/Aluminum body with resilient disc sealSet
  • Pressure: 250 PSIGThis rugged relief valve is ideal for industrial LP and ammonia applications where safety, compliance, and durability are non-negotiable.

Product details

Part / SKU A3149G

Package includes

  • Engineered Controls 3149G Pop-Action Relief Valve 2-1/2" M NPT 250 PSI ASME LP G

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.

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