---
product_id: 287743320
title: "Check valve, brass, 1\" NPT male in/ 1 FNPT out, Hallmark Industries (100NPT)"
brand: "h hallmark industries inc"
price: "€ 62.21"
currency: EUR
in_stock: true
category: "H Hallmark Industries Inc"
url: https://www.desertcart.gr/products/287743320-check-valve-brass-1-npt-male-in-1-fnpt-out
store_origin: GR
region: Greece
---

# Spring-loaded mechanism for reliable one-way flow Brass construction for durability & corrosion resistance 1" NPT male in / 1" FNPT out precision threading Check valve, brass, 1" NPT male in/ 1 FNPT out, Hallmark Industries (100NPT)

**Brand:** h hallmark industries inc
**Price:** € 62.21
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate your flow game with precision brass power!

## Quick Answers

- **What is this?** Check valve, brass, 1" NPT male in/ 1 FNPT out, Hallmark Industries (100NPT) by h hallmark industries inc
- **How much does it cost?** € 62.21 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/287743320-check-valve-brass-1-npt-male-in-1-fnpt-out)

## Best For

- h hallmark industries inc enthusiasts

## Why This Product

- Trusted h hallmark industries inc brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Premium Brass Build:** Engineered from solid brass to ensure long-lasting corrosion resistance and industrial-grade durability.
- • **Trusted Industry Choice:** Ranked #158 in Check Valves with a stellar 4.9-star rating, backed by Hallmark Industries’ 1-year warranty.
- • **Compact & Space-Smart Design:** At just 2.53 x 1.89 x 1.89 inches, fits effortlessly into tight plumbing configurations without compromise.
- • **Reliable Spring-Loaded Valve:** Maintains consistent one-way flow, preventing backflow and protecting your system integrity.
- • **Precision Threaded Connections:** Seamlessly integrates with standard 1" NPT and FNPT plumbing setups for hassle-free installation.

## Overview

The Hallmark Industries 1" brass check valve features precision 1" NPT male and 1" FNPT female threaded connections, a durable brass body, and a spring-loaded mechanism to ensure reliable one-way fluid flow. Compact and highly rated, it’s engineered for professional-grade plumbing applications with a 1-year manufacturer warranty.

## Description

Check valve, brass, 1" NPT male in/ 1" FNPT out, precision spring loaded

## Features

- Check valve, brass, 1" NPT male in/ 1" FNPT out, (100NPT)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08N5CRSYY |
| Best Sellers Rank | #134,591 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #282 in Check Valves |
| Brand Name | H HALLMARK INDUSTRIES INC |
| Connector Type | Threaded |
| Customer Reviews | 4.6 4.6 out of 5 stars (202) |
| Exterior Finish | Brass |
| Included Components | Check valve |
| Inlet Connection Size | 1 inches |
| Inlet Connection Type | National Pipe Tapered |
| Item Dimensions | 2.53 x 1.89 x 1.89 inches |
| Item Type Name | Check Valve |
| Manufacturer | Hallmark Industries |
| Manufacturer Part Number | SP0465X |
| Manufacturer Warranty Description | 1 year manufacturer |
| Material Type | Brass |
| Model Number | SP0465X-100 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Number of Ports | 2 |
| Outlet Connection Size | 1 inches |
| Outlet Connection Type | FNPT |
| Size | 100NPT |
| Thread Size | 1 inches |
| Thread Type | Unified |
| Unit Count | 1 Count |
| Valve Type | valve |

## Product Details

- **Brand:** H HALLMARK INDUSTRIES INC
- **Exterior Finish:** Brass
- **Inlet Connection Size:** 1 inches
- **Inlet Connection Type:** National Pipe Tapered
- **Item dimensions L x W x H:** 2.53 x 1.89 x 1.89 inches
- **Material:** Brass
- **Number of Packs:** 1
- **Number of Ports:** 2
- **Outlet Connection Size:** 1 inches
- **Outlet Connection Type:** FNPT

## Images

![Check valve, brass, 1" NPT male in/ 1 FNPT out, Hallmark Industries (100NPT) - Image 1](https://m.media-amazon.com/images/I/61yKpPDCJwL.jpg)
![Check valve, brass, 1" NPT male in/ 1 FNPT out, Hallmark Industries (100NPT) - Image 2](https://m.media-amazon.com/images/I/31567-FINQL.jpg)
![Check valve, brass, 1" NPT male in/ 1 FNPT out, Hallmark Industries (100NPT) - Image 3](https://m.media-amazon.com/images/I/41MF-6AxRCL.jpg)
![Check valve, brass, 1" NPT male in/ 1 FNPT out, Hallmark Industries (100NPT) - Image 4](https://m.media-amazon.com/images/I/41HrzoQZNuL.jpg)
![Check valve, brass, 1" NPT male in/ 1 FNPT out, Hallmark Industries (100NPT) - Image 5](https://m.media-amazon.com/images/I/41hk+P1ueAL.jpg)

## Available Options

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

## Questions & Answers

**Q: Can this be mounted either horizontal or vertically?**
A: Yes it can.

**Q: Does this check valve fit the hallmark industries ma0343x-4 deep well submersible pump, 1/2 hp**
A: Yes. Both have 1.25"NPT

## Frequently Bought Together

- Hallmark Industries "Check valve, brass, 1" NPT male in/ 1 FNPT out" (SP0465X-100)
- Hallmark Industries MA0419X-12A, Deep Well Submersible Pump, 2HP, 230V 60HZ, 33 Gpm, Stainless Steel, for 4" or bigger well
- Well Pump Wire Splice Kit, Submersible 3M™ Dual Wall Heat Shrink Tubing and Copper Connector for 4 Wires, #10#12#14 AWG.

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-10-02*