...
sales@fenilo.com
Get A Free Quote

Overview

Pressure Relief Valve Manufacturer for Safe Heating & Plumbing Systems

Fenilo manufactures a complete range of pressure relief valves designed to protect heating, plumbing, and hydronic systems from excessive pressure. By automatically releasing excess pressure when system limits are exceeded, our valves help prevent equipment damage, improve operational safety, and extend the service life of boilers, pipelines, and heating equipment.
 
Manufactured with precision-machined brass components and strict quality control, Fenilo pressure relief valves are widely supplied to HVAC manufacturers, boiler brands, plumbing companies, and distributors worldwide.
Start A Project With Us

Advantages

Key Features & Benefits

Designed for Reliable Pressure Protection and Long-term Safety

Fenilo pressure relief valves are engineered to provide accurate pressure release, dependable sealing, and long-term protection for plumbing and heating systems.

Accurate Pressure Response

Precision-calibrated spring mechanisms ensure reliable pressure release when system pressure exceeds the preset limit.

Reliable Leak-free Sealing

Precision-machined valve seats and sealing components provide dependable sealing during normal system operation.

Durable Brass Construction

Premium forged brass offers excellent corrosion resistance and long service life under demanding operating conditions.

Stable Pressure Protection

Designed to maintain consistent opening pressure and reliable reset performance throughout repeated operating cycles.

Consistent Manufacturing Quality

Strict production control and comprehensive inspection ensure stable product performance across every production batch.

Product Collection / Models Showcase

Complete Pressure Relief Valve Series

Explore our complete range of pressure relief valves for boilers, heating systems, water heaters, and plumbing applications. Fenilo offers multiple pressure ratings, connection sizes, and customized configurations to meet different market requirements.
View More PPR Ball Valve

Relief Valve ZQ-8103

Size

1/2″3/4″ 1″ 1-1/4″ 1-1/2″ 2″

Relief Valve ZQ-8105

Size
1/2″,3/4″

Relief Valve ZQ-6107

Size
1/2″,3/4″

Relief Valve ZQ-8114

Size
1/2″ 3/4″ 1″

Relief Valve ZQ-8116

Size
1/2″ 3/4″ 1″

Need a customized pressure relief valve solution?

Talk to Our Experts

Manufacturing Comparison

Why Fenilo Pressure Relief Valves Stand Out

Product Comparison

Comparison Item
Fenilo Pressure Relief Valves
Typical Market Products
Pressure Accuracy

Precision-calibrated pressure setting

Opening pressure may vary

Brass Material
Premium hot-forged brass
Mixed brass grades
Sealing Performance

Reliable sealing with precision-machined valve seat

Leakage risk increases over time

Spring Performance
Stable spring response through repeated cycles
Fatigue performance varies
Corrosion Resistance

Excellent durability in heating systems

Material quality varies

Quality Inspection
Every production batch undergoes comprehensive inspection
Sampling inspection is common

HVAC System Solutions

Protecting Critical Heating & Water Systems

Boiler Systems

Protects boilers from excessive pressure and improves overall system safety.

Hydronic Heating Systems

Maintains safe operating pressure in closed-loop heating systems.

Underfloor Heating Systems

Helps protect manifolds, pipelines, and control components from overpressure.

Water Heater Systems

Provides automatic pressure relief to improve operational safety and equipment longevity.

Who We Serve

Manufacturing Solutions for
Different Business Models

Buyer Type
Typical Customers
How Fenilo Helps

Boiler Manufacturers

Residential and commercial boiler brands

Reliable pressure protection components for complete boiler systems

HVAC System Manufacturers

Heating and hydronic equipment manufacturers

Precision safety valves for integrated HVAC systems

Importers & Distributors

Plumbing, heating, and HVAC wholesalers

Stable supply, complete product portfolio, and dependable quality

Boiler Manufacturers

Residential and commercial boiler brands
Reliable pressure protection components for complete boiler systems

HVAC System Manufacturers

Heating and hydronic equipment manufacturers
Precision safety valves for integrated HVAC systems

Importers & Distributors

Plumbing and HVAC wholesalers
Stable supply, broad product range, and consistent manufacturing quality

OEM & Customization

Flexible Manufacturing for Your Brand

Fenilo provides complete OEM and ODM manufacturing services for pressure relief valves.
Customization Options
  • Pressure Settings
  • Thread Standards
  • Brass Material Options
  • Surface Finish
  • Logo Marking
  • Packaging Design
  • Private Label Manufacturing
More Services

Process

Manufacturing & Quality Control

Precision Manufacturing from Raw Brass to Finished Valve
Every pressure relief valve is manufactured through a controlled production process to ensure accurate pressure response and dependable product quality.

Step01. Brass Rod Production

Step02. Brass Element Testing

Step03. Forging item before sand blasting

Step04. Forging item after sand blasting

Step05. Precision Machining

Step06. Machining

Step07. Inspection of thread

Step08. Visual Inspection with Industrial Microscope

Why Choose Fenilo

Your Trusted Pressure Relief Valve Manufacturing Partner

Precision Pressure Calibration

Accurate pressure settings help improve system safety and equipment protection.

Reliable Product Quality

Strict manufacturing standards ensure stable performance across every production batch.

Durable Brass Construction

Premium forged brass delivers long-term corrosion resistance and dependable operation.

Flexible OEM Manufacturing

Customized pressure settings, specifications, branding, and packaging for global markets.

Stable Supply Capacity

Efficient production planning supports long-term partnerships and dependable delivery.

Global Manufacturing Experience

Trusted by heating and plumbing manufacturers in more than 30 countries worldwide.

FAQ

Frequently Asked Questions

What is the function of a pressure relief valve?
A pressure relief valve automatically releases excess pressure when the system reaches a preset limit, helping protect boilers, pipelines, and heating equipment from damage.
Yes. Fenilo offers customized pressure settings based on customer and application requirements.
Our valves are designed for boilers, hydronic heating systems, underfloor heating, water heaters, and other closed-loop plumbing systems.
Every production batch undergoes pressure calibration, leakage testing, and functional inspection before shipment.
Yes. We support customized specifications, branding, packaging, and complete OEM manufacturing services.

Contact Us

Looking for a Reliable Pressure Relief Valve Manufacturer?

Whether you need standard safety valves or customized OEM solutions, Fenilo provides precision manufacturing, dependable quality, and stable global supply for heating and plumbing system protection.
Request a Quote

Contact Us

滚动至顶部

Ready to Get Started?

Start your journey today with powerful tools designed to help you grow, launch faster, and succeed confidently.