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1/2″ Brass Flare Plug – Holyoke MFG# 57-8 Gas Fitting LP Propane Natural Gas

SKU: MFG# 57-8

$2.33

In stock

Same-item volume pricing
QuantityUnit priceSaving
1–4$2.330%
5–9$2.215%
10+$2.1010%

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Overview

The Holyoke 1/2″ Flare Plug (MFG# 57-8, DLP# 5K539) is a precision-machined brass fitting designed for capping flare connections in LP, propane, or natural gas systems. This compact and durable flare plug provides a secure, reusable gas-tight seal for unused or temporarily disconnected gas ports.Key FeaturesSize: 1/2″ FlareMaterial: Solid brass construction resists corrosion and maintains seal integrityUse Case: Ideal for sealing gas appliance ports, system test points, and stub-outs in LP gas and natural gas systemsCompatibility: Works with standard flare fittings on propane tanks, DOT cylinders, RV systems, and natural gas pipingDesign: Machined flare thread with hex head for secure tightening and easy removalIndustry Use: Perfect for HVAC, gas utility work, propane installations, and equipment testingWhy Choose Holyoke?Trusted by professionals across the gas distribution industry, Holyoke provides durable, code-compliant brass fittings engineered for reliability in demanding conditions.

Product details

Part / SKU MFG# 57-8

Package includes

  • 1/2" Brass Flare Plug – Holyoke MFG# 57-8 Gas Fitting LP Propane Natural Gas

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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