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Anvil 1″ Black Steel Coupling NPT Full Socket Pipe Fitting Gas/LP/NG COF3-F

SKU: COF3-F
Weight 1 lbs
Dimensions 15 × 10 × 3 in

$11.74

In stock — available to order.

Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.

Same-item volume pricing
QuantityUnit priceSaving
1–4$11.740%
5–9$11.155%
10+$10.5710%

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Overview

Anvil International COF3-F 1" Black Steel Coupling – Full Socket NPT Gas Pipe FittingThis Anvil COF3-F 1-inch FS Coupling is a heavy-duty black steel pipe fitting designed for propane (LP), natural gas, and industrial gas piping systems. Built with a durable black malleable iron body and precision-cut female NPT tapered threads, this coupling provides a strong, leak-free connection between two 1" gas pipes.

Black steel couplings are widely used in commercial gas distribution, furnace and boiler piping, LP tank plumbing, and industrial HVAC systems.

Key Features1" Female NPT × 1" Female NPT full socket designHigh-strength black steel/malleable iron constructionTapered NPT threads ensure leak-tight sealing

Corrosion-resistant black finish for long service life

Compatible with regulators, nipples, valves, manifolds, and gas system piping

Ideal for propane, LP gas, and natural gas installationsCommon ApplicationsLP gas tank and regulator pipingNatural gas furnace and boiler hookupsHVAC mechanical gas lines

Industrial/commercial gas distribution networksProduct Identifiers

Brand: Anvil International

MFG#: COF3-FDLP Number: 1K595FS

Product details

Part / SKU COF3-F

Package includes

  • Anvil 1" Black Steel Coupling NPT Full Socket Pipe Fitting Gas/LP/NG COF3-F

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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