---
product_id: 780348175
title: "RHP400 Nitrogen Regulator with 0-400 PSI Delivery Pressure, CGA580 Inlet Connection and 1/4-Inch Male Flare Outlet Connection"
brand: "uniweld"
price: "2588 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/780348175-rhp400-nitrogen-regulator-with-0-400-psi-delivery-pressure-cga580
store_origin: PL
region: Poland
---

# CGA580 inlet & 1/4-inch flare outlet 0-400 PSI precise pressure range Durable brass piston & self-reseating valve RHP400 Nitrogen Regulator with 0-400 PSI Delivery Pressure, CGA580 Inlet Connection and 1/4-Inch Male Flare Outlet Connection

**Brand:** uniweld
**Price:** 2588 zł
**Availability:** ✅ In Stock

## Summary

> 🔧 Master your pressure game with Uniweld precision!

## Quick Answers

- **What is this?** RHP400 Nitrogen Regulator with 0-400 PSI Delivery Pressure, CGA580 Inlet Connection and 1/4-Inch Male Flare Outlet Connection by uniweld
- **How much does it cost?** 2588 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/780348175-rhp400-nitrogen-regulator-with-0-400-psi-delivery-pressure-cga580)

## Best For

- uniweld enthusiasts

## Why This Product

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

## Key Features

- • **Robust Build Quality:** Engineered with a brass piston diaphragm and stainless steel components for long-lasting reliability.
- • **Versatile Application:** Ideal for HVAC, refrigeration purging, and pressure testing—professional-grade performance you can trust.
- • **Universal Compatibility:** CGA580 inlet and 1/4-inch flare outlet fit seamlessly with standard nitrogen and CO2 setups (with adaptor).
- • **Clear, Protective Gauges:** Easy-to-read 2-inch gauges shielded by rubber boots for durability on the job.
- • **Precision Pressure Control:** Dial in 0-400 PSI with smooth, accurate brass Tee handle adjustment.

## Overview

The Uniweld RHP400 Nitrogen Regulator delivers precise 0-400 PSI pressure control via a durable brass piston diaphragm and stainless steel components. Featuring CGA580 inlet and 1/4-inch flare outlet connections, it supports nitrogen and CO2 (with adaptor) applications. Its large brass Tee handle ensures smooth adjustments, while easy-to-read 2-inch gauges with protective rubber boots provide reliable monitoring. Designed for HVAC and refrigeration professionals seeking dependable, long-lasting performance.

## Description

RHP400 Nitrogen Regulator with 0-400 PSI Delivery Pressure, CGA580 Inlet Connection and 1/4-Inch Male Flare Outlet Connection

## Features

- Nitrogen Regulator, Delivery Pressure 0-400 PSI
- CGA580 Inlet Connection, 1/4 Inch Male Flare Outlet Connection and Easy to Read 2 Inch Gauges with Protective Rubber Gauge Boots
- Durable brass piston designed diaphragm, self re-seating relief valve (not designed to protect downstream system)
- Large brass Tee Handle with stainless steel pressure adjusting screw and regulator bushing that prevents galling
- Regulator can be used with CO2 with the Uniweld part no F36 adaptor, CO2 Cylinder (CGA320) to Nitrogen Regulator (CGA580) (purchased separately)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Uniweld |
| Item dimensions L x W x H | 16.5 x 10.5 x 13.3 Centimeters |
| Exterior Finish | Stainless Steel |
| Inlet Connection Size | 0.25 Inches |
| Inlet Connection Type | Flare |
| Outlet Connection Type | Flare |
| Maximum Operating Pressure | 4E+2 Pound per Square Inch |
| Number of Ports | 2 |
| Outlet Connection Size | 0.25 Inches |
| Specification Met | CGA320 |
| Global Trade Identification Number | 00688456130009 |
| Manufacturer | Uniweld |
| UPC | 756655652711 696335181738 610373673949 785533152562 688456130009 |
| Country of Origin | USA |
| Item model number | RHP400 |
| Product Dimensions | 16.51 x 10.49 x 13.34 cm; 1.09 kg |
| ASIN | B008HQ6GXO |

## Product Details

- **Brand:** Uniweld
- **Item dimensions L x W x H:** 16.5 x 10.5 x 13.3 Centimeters
- **Exterior Finish:** Stainless Steel
- **Inlet Connection Size:** 0.25 Inches
- **Inlet Connection Type:** Flare
- **Outlet Connection Type:** Flare
- **Maximum Operating Pressure:** 4E+2 Pound per Square Inch
- **Number of Ports:** 2
- **Outlet Connection Size:** 0.25 Inches
- **Specification Met:** CGA320

## Images

![RHP400 Nitrogen Regulator with 0-400 PSI Delivery Pressure, CGA580 Inlet Connection and 1/4-Inch Male Flare Outlet Connection - Image 1](https://m.media-amazon.com/images/I/71xGQ7q6WoL.jpg)
![RHP400 Nitrogen Regulator with 0-400 PSI Delivery Pressure, CGA580 Inlet Connection and 1/4-Inch Male Flare Outlet Connection - Image 2](https://m.media-amazon.com/images/I/81y77ZnYzaL.jpg)
![RHP400 Nitrogen Regulator with 0-400 PSI Delivery Pressure, CGA580 Inlet Connection and 1/4-Inch Male Flare Outlet Connection - Image 3](https://m.media-amazon.com/images/I/81czO+Rf0EL.jpg)
![RHP400 Nitrogen Regulator with 0-400 PSI Delivery Pressure, CGA580 Inlet Connection and 1/4-Inch Male Flare Outlet Connection - Image 4](https://m.media-amazon.com/images/I/71PE9nuo0xL.jpg)
![RHP400 Nitrogen Regulator with 0-400 PSI Delivery Pressure, CGA580 Inlet Connection and 1/4-Inch Male Flare Outlet Connection - Image 5](https://m.media-amazon.com/images/I/81CxUUsy8WL.jpg)

## Questions & Answers

**Q: The advertized Delivery Pressure of this regulator is 400psi, but the delivery gauge shown in the photo shows a max pressure of 600 psi. Which is it?**
A: When the first stage of the regulator is supplied with > 600 PSI, the output is limited to roughly 480 PSI in the fully open position. Also, the guy that said you wouldn't need to go that high for normal use is an idiot. Nobody knows what you will be using this regulator for.

**Q: How is the CGA-580 fitting threaded into this unit?  I want to take that out and use NPT as much as I can.**
A: Purchase a LASCO 17-6783 1/4-Inch Female Flare by 1/4-Inch Male Pipe Thread Brass Adapter.  Don't attempt to remove the existing NPT-to-flare fitting because it is sealed into the regulator assembly and you risk damaging the regulator.

**Q: Will this work with argon**
A: Yes it will work with argon. The regulator has a CGA 580 inlet connection and a 1/4" male flare outlet connection.

**Q: I purchased this regulator and the yellow hose does not attach to the 1/4" flare, it is to small. The yellow hose fitting is to big?**
A: You are not using standard refrigeration  hoses. Sounds like your either using the mini- split adapter or larger vacuum type hoses. Take it by an HVAC supplier and they will show you the proper size.

## Frequently Bought Together

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-23*