---
product_id: 139109269
title: "Eastman Brass Swing Check Valve, 1 Inch IPS, Brass Plumbing Fitting, 20425LF"
brand: "eastman"
price: "¥4799"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/139109269-eastman-brass-swing-check-valve-1-inch-ips-brass-plumbing
store_origin: JP
region: Japan
---

# 200 PSI max pressure for robust performance 1 inch IPS connection for seamless install Lead-free brass for safe potable water Eastman Brass Swing Check Valve, 1 Inch IPS, Brass Plumbing Fitting, 20425LF

**Brand:** eastman
**Price:** ¥4799
**Availability:** ✅ In Stock

## Summary

> 🚰 Elevate your water system’s defense with brass-built reliability!

## Quick Answers

- **What is this?** Eastman Brass Swing Check Valve, 1 Inch IPS, Brass Plumbing Fitting, 20425LF by eastman
- **How much does it cost?** ¥4799 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/139109269-eastman-brass-swing-check-valve-1-inch-ips-brass-plumbing)

## Best For

- eastman enthusiasts

## Why This Product

- Trusted eastman brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Premium brass construction delivers unmatched durability and corrosion resistance for years of reliable service.
- • **Certified Safety:** Lead-free design meets strict regulatory standards, giving you peace of mind with every drop.
- • **Maximum Protection:** Engineered to prevent backflow, safeguarding your water supply from contamination and costly damage.
- • **Versatile Performance:** Rated for up to 200 PSI, perfect for wells, boilers, and potable water systems—adaptable to your needs.
- • **Effortless Installation:** 1 inch IPS female iron pipe connections ensure a quick, secure fit—no fuss, no leaks.

## Overview

The Eastman Brass Swing Check Valve is a 1 inch IPS plumbing fitting crafted from lead-free brass, designed to prevent backflow in potable water, well, and boiler systems. Rated for up to 200 PSI, it offers durable, corrosion-resistant performance with easy installation, meeting all safety and regulatory standards for clean water supply protection.

## Description

Product Description               Introducing the Eastman Swing Check Valve, a masterpiece of engineering designed to provide unparalleled reliability for your home water systems. Crafted from robust and durable brass, this check valve ensures a long-lasting solution to prevent the undesirable backflow of fluids into your water supply. This valve is essential for maintaining the integrity of well and boiler systems, safeguarding your potable water from contamination. With a solid 1 inch IPS connection, this straight pattern check valve boasts a working pressure of 125 PSI to 200 Water, Oil, and Gas (WOG), offering peace of mind through its exceptional product safety standards. The Eastman Swing Check Valve is lead-free, meeting all regulatory requirements for safe water supply installations.                  From the Manufacturer               EZ-FLO's Brass Swing Check Valve keeps fluids from backing up into the water supply and prevents backflow from wells and boiler systems. This check valve is lead free and suitable for all potable water supply installations. It is constructed of brass for strength and durability.

## Features

- EASTMAN BRASS SWING CHECK VALVE: The Eastman swing check valve features a mechanism specifically engineered as a backflow preventer, protecting your water systems from contamination and damage
- DURABLE: This Swing Check Valve is crafted from high-quality brass, ensuring longevity and reliability as a backflow preventer in water supply systems
- VERSATILE: With a working pressure of 125 PSI to 200 WOG, this check valve is perfect for a variety of uses including wells, boiler systems, and potable water installations
- EASY TO INSTALL: Designed with a 1 inch IPS connection, this swing check valve ensures a secure and straightforward installation process

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Brass |
| Brand | Eastman |
| Item dimensions L x W x H | 2.83 x 2.83 x 2.54 inches |
| Exterior Finish | Brass |
| Inlet Connection Size | 1 Inches |
| Inlet Connection Type | Female Iron Pipe |
| Outlet Connection Type | Female Iron Pipe |
| Maximum Operating Pressure | 200 Pound per Square Inch |
| Number of Ports | 1 |
| Outlet Connection Size | 1 Inches |
| Specification Met | ULC |
| Global Trade Identification Number | 00091712423416 |
| Manufacturer | EZ-FLO |
| UPC | 091712423416 |
| Part Number | 20425LF |
| Item Weight | 13.6 ounces |
| Product Dimensions | 2.83 x 2.83 x 2.54 inches |
| Item model number | 20425LF |
| Size | 1 in. |
| Color | Brass |
| Style | 1 inch FIP x 1 inch FIP |
| Item Package Quantity | 1 |
| Measurement System | inch |
| Included Components | valve |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** Brass
- **Brand:** Eastman
- **Item dimensions L x W x H:** 2.83 x 2.83 x 2.54 inches
- **Exterior Finish:** Brass
- **Inlet Connection Size:** 1 Inches
- **Inlet Connection Type:** Female Iron Pipe
- **Outlet Connection Type:** Female Iron Pipe
- **Maximum Operating Pressure:** 200 Pound per Square Inch
- **Number of Ports:** 1
- **Outlet Connection Size:** 1 Inches

## Images

![Eastman Brass Swing Check Valve, 1 Inch IPS, Brass Plumbing Fitting, 20425LF - Image 1](https://m.media-amazon.com/images/I/61Uw1qtg5kL.jpg)
![Eastman Brass Swing Check Valve, 1 Inch IPS, Brass Plumbing Fitting, 20425LF - Image 2](https://m.media-amazon.com/images/I/716efihEAOL.jpg)
![Eastman Brass Swing Check Valve, 1 Inch IPS, Brass Plumbing Fitting, 20425LF - Image 3](https://m.media-amazon.com/images/I/61VdFI19j+L.jpg)
![Eastman Brass Swing Check Valve, 1 Inch IPS, Brass Plumbing Fitting, 20425LF - Image 4](https://m.media-amazon.com/images/I/613RtgKOWIL.jpg)
![Eastman Brass Swing Check Valve, 1 Inch IPS, Brass Plumbing Fitting, 20425LF - Image 5](https://m.media-amazon.com/images/I/61SUXWvqolL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- Eastman Brass Swing Check Valve, 1 Inch IPS, Brass Plumbing Fitting, 20425LF
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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-24*