Xiazhao RSA28F-320T Brass Safety Valve for Refrigeration

Xiazhao RSA28F-320T Brass Safety Valve for Refrigeration

ASME Safety Relief Valve for Refrigeration, HVAC, Chiller, Ammonia Systems | Custom Pressure & Ports

Key Features:

Reliable System Protection: Automatically releases pressure to safeguard refrigeration units, compressors, and pressure vessels.
Durable Brass Construction: H59-1 Brass body ensures corrosion resistance and long service life.
Wide Refrigeration Use: Ideal for Refrigerants, Ammonia (NH3), Air, Oil, and Water.
Compact & Easy to Install: Lightweight and space-saving design.

Refrigeration & Ammonia System Safety Valve

Product Overview
This safety valve is tailored specifically for refrigeration and ammonia systems, providing precise overpressure protection for relevant equipment. It supports multiple refrigerants such as R22, R134a, and NH₃, and is designed for plug-and-play use with pre-set configurations for common refrigerants.

详情图片首页.jpg

Product Advantages

Advantage	Details
Specialization	Customized for Refrigeration & Ammonia Systems
Safety Certification	ASME Certified for precise overpressure protection
Corrosion Resistance	Brass body, compatible with R22/R134a/NH₃
Customizability	Multiple port sizes (1/2″ to 1″) and custom pressure settings

Key Applications
● Industrial & Commercial Refrigeration Units
● HVAC Chillers & Central Air Conditioning Systems
● Ammonia (NH₃) Refrigeration Plants
● Pressure Vessel & Compressor Protection
● Refrigerant Recovery Units & Test Rigs

Typical Working Scenarios
● Overload pressure release at compressor discharge
● High-pressure relief for condensers
● Overpressure protection for liquid receivers
● Backup safety in low-temperature ammonia systems (down to -40°C)

Technical Specifications

PARAMETER	SPECIFICATION
Set Pressure Range	1.05 ~ 320 kgf/cm² (Customizable)
Operating Temperature	-40°C to +120°C
Body Material	H59-1 Brass (Nickel Plating Optional)
Seal Material	Standard: Viton B; Optional: PTFE
Spring Material	Stainless Steel 304
Sample Port Sizes	1/2", 3/4", 1" (Other sizes available)
Certification	ISO9001

Port Configurations
● Standard Ports: 1/2″, 3/4″, 1″ NPT/FPT
● Special Connections: Custom imperial/metric adapters available
● Optional discharge port for piping

Tailored Solutions
🏭 For Ammonia (NH₃) Refrigeration
PTFE seals for ammonia corrosion resistance
Fully enclosed design prevents ammonia leakage
❄️ For Low-Temperature Freezing Units
Specially treated springs ensure accuracy at -40°C
Anti-freezing disc structure prevents icing
⚡ Plug & Play Standard Valves
Pre-set for common refrigerants: R22, R410A, R134a
Ready to install out of the box

Service Commitment
● Custom pressure settings, port sizes, and seal materials
● Free technical support for selection and installation
● ISO9001 certified; 12-month warranty