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Copper Charging Access Valve – 1/4″ SAE Flare with 4-Inch Copper Stem


The 3/8″ Copper Access Valve is a high-flow service port designed for larger refrigeration systems and commercial HVAC applications. Featuring a larger 3/8″ SAE Flare connection, this valve allows for significantly faster vacuum pull-downs and refrigerant charging compared to standard 1/4″ valves. The 4-inch high-purity copper stem provides ample space for secure brazing into suction lines or large evaporator coils, making it an essential component for heavy-duty cooling maintenance.

850 1,200

  • High-Flow 3/8″ SAE Flare: Larger orifice size reduces restriction, allowing technicians to reach deep vacuums faster and charge large systems efficiently.

  • Extended 4-Inch Copper Stem: The long dehydrated copper tail acts as a heat buffer, protecting the internal valve seat and seals from damage during high-heat brazing.

  • Premium Brass Construction: Forged brass body provides superior thread strength and corrosion resistance in harsh industrial environments.

  • Heavy-Duty Sealing Cap: Comes with a knurled brass cap equipped with an internal gasket to ensure a leak-proof secondary seal.

  • Schrader Valve Core Included: Features a high-pressure spring-loaded core designed for reliable operation across wide temperature ranges.

Applications:

  • Commercial Refrigeration: Ideal for cold rooms, walk-in freezers, and industrial chillers.

  • Large Split Systems: Used as a high-side or low-side access port on 5HP+ air conditioning units.

  • System Evacuation: Perfect for dedicated vacuum ports to speed up the dehydration process on large-volume systems.

Technical Specifications (Attributes)

Attribute Detail
Material C1220 Dehydrated Copper & Forged Brass
Connection Size 3/8″ SAE Male Flare
Stem Diameter 3/8″ (9.52mm) O.D.
Stem Length 4 Inches (approx. 100mm)
Max Pressure 800 PSI
Compatibility R22, R404A, R134a, R410A, R507

Market Insight: For large-scale projects in Apapa or Ikeja Industrial Estate, time is money. Elins Nigeria stocks these 3/8″ valves to help commercial technicians complete vacuuming and charging tasks in half the time it takes with standard 1/4″ fittings.

Technical Warning: Due to the larger mass of the 3/8″ copper stem, it requires significant heat to braze.

Elins Nigeria Advice: You MUST remove the valve core before brazing. We recommend using a wet rag or heat-sink paste around the brass head to prevent the higher brazing temperatures from warping the flare threads.

Warning: Ensure your manifold hoses have a 3/8″ connector or use a 3/8″ to 1/4″ adapter to connect standard gauges.

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Shipping Policy

Section 1:

The 100% Prepaid Model By transacting with ELINS, the purchaser acknowledges that we operate on a 100% Prepaid Model. This policy is central to our ability to maintain buyer confidence and secure genuine parts from global OEMs.

  • Payment Finality: No goods shall be released from any ELINS warehouse, nor shall any sourcing activities commence, until 100% of the purchase price is received and cleared in our accounts.
  • No COD: Cash on Delivery is strictly prohibited to maintain logistical security and price stability.

Section 2:

Pricing and Market Volatility

Prices listed on the website or provided in Sales Orders are subject to change without prior notice due to the volatile nature of foreign exchange and OEM price adjustments. The price is only \"locked\" once 100% payment is confirmed.

Price-on-Request (POR) & Discontinued Items: >

ELINS Nigeria Limited provides pricing for certain specialized or sourced items only upon formal request. A submission of an order for an unpriced or discontinued item does not constitute a binding contract of sale. A contract is only formed when ELINS issues a formal Sales Order and the Purchaser completes the 100% prepayment.

ELINS reserves the right to suggest alternative components for discontinued items; however, the final technical suitability for the specific application remains the responsibility of the Purchaser’s installer.

 Finality of Sales Order:

The prices and availability displayed on www.elins.com.ng are subject to change and do not constitute a final offer. A binding price is only established through a written Official Sales Order issued by an authorized ELINS representative. Payment made against an outdated website price without an accompanying Sales Order will not be honored as a completed sale.

Section 3:

Delinquency and Credit Reporting

Accounts with outstanding balances beyond 60 days will be flagged as delinquent. ELINS reserves the legal right to:

  1. Charge interest at 2.5% per month, compounded.
  2. Report the delinquency to national credit bureaus.
  3. Suspend all outstanding orders and future technical support.

Section 4:

Retention of Title Ownership of all goods—whether loose or installed in a facility—remains the property of ELINS Nigeria Limited until the full purchase price is paid.

Refund Policy

Section 1:

Final Sales To ensure the integrity of our inventory for all customers, Compressors and Refrigerants are FINAL SALES. These items are highly sensitive to handling and contamination; therefore, no returns, exchanges, or refunds will be entertained under any circumstances once they leave our facility.

Section 2:

Discretionary Returns Any other returns are at the absolute discretion of ELINS.

  • Handling Fee: All approved returns are subject to a 20% handling and restocking fee.
  • Condition: Items must be in original, unopened packaging with all technical documentation intact.
  • Transport: All costs for returning items to our Yaba warehouse are the sole responsibility of the purchaser.

Section 3:

Warranty Transfer ELINS acts as a distributor. All product warranties are those of the Manufacturer (OEM). ELINS does not provide independent warranties and shall not be held liable for manufacturer defects, though we will assist in facilitating valid OEM claims where possible.

Status of Distribution:

 ELINS Nigeria Limited acts as a multi-brand marketplace and distribution specialist. While ELINS maintains direct agreements with certain manufacturers, other brands are supplied through a network of verified, authorized regional distributors and vendors. The use of brand logos or names signifies that ELINS is an authorized point of sale for these genuine products. ELINS does not claim to be the sole \'Exclusive Distributor\' for every brand listed unless specifically stated; however, we do warrant that all such products are sourced through legitimate, authorized channels and are not counterfeit.

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SKU: RFN-SH02