Engineered Controls 2″ M NPT Back Pressure Valve A3187S Soft Seat Steel LP/NG

Name: Engineered Controls 2" M NPT Back Pressure Valve A3187S Soft Seat Steel LP/NG
SKU: A3187S
Price: 555.38 USD
Availability: InStock

SKU: A3187S

$555.38

Only 1 left in stock

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$555.38	0%
5–9	$527.61	5%
10+	$499.84	10%

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Product Description

REGIONS SUPPLY BUYING GUIDE

Product details & buying advice

Use this group when selecting the vapor-return connection in a transfer arrangement.

Product type	Vapor equalizing valves
Part / SKU	A3187S

What to check before ordering

Match the vapor-service valve to the container opening and mating hose connection.
Check its rated service, pressure limits and permitted installation direction.

Service reminder: Label the liquid-fill and vapor-return items separately on your parts list to avoid mixing their duties.

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

Explore this product guide · Shop this product group · Ask Regions Supply about this part

Overview

Engineered Controls Back Pressure Valve – 2" M NPT Inlet & Outlet – Steel, Soft SeatModel MFG# A3187S | DLP 1LP2406This heavy-duty Engineered Controls back pressure valve is designed to protect container openings and gas flow systems where reverse flow must be prevented. Ideal for propane (LP), natural gas, and industrial gas installations, this valve ensures that flow always moves into the vessel or stays in forward direction in line systems.

When paired with a compatible single check filler valve, this unit forms a double check filler system—the industry standard for bulk storage tank filling and DOT container applications.

Key Features

2" Male NPT Inlet & Outlet for high-capacity gas transfer linesSoft seat construction using synthetic rubber seals for superior leak preventionMachined steel body for high durability and long service life
Heavy-duty flow channels designed to maintain low pressure drop
Perfect for bulk propane plants, industrial gas transfer, natural gas systems, and LPG container operationsTypical Use Cases:LP Gas Bulk Storage Fill PointsNatural Gas Industrial Transfer LinesContainer Protection & Back Pressure ApplicationsHigh-capacity tanker or cylinder filling operationsIf your system requires reliable backflow protection in high-volume gas handling environments, the A3187S delivers long-term performance and rugged reliability.

Product details

Part / SKU	A3187S

Package includes

Engineered Controls 2" M NPT Back Pressure Valve A3187S Soft Seat Steel LP/NG

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