Brass Check Valve

Among various valve materials, brass check valves (also known as brass one-way valves, non-return valves, or stop valves) are particularly popular thanks to their excellent balance of durability, corrosion resistance, and affordability.
These valves operate reliably in clean water, compressed air, and oil systems under medium pressure, making them ideal for both residential projects and light industrial applications.

Popular Types of Brass Check Valves

In today’s market, brass check valves are available in a variety of designs to suit different usage needs. Among them, the three most common types are:

Brass Swing Check Valve

Structure & Operating Principle

The valve features a disc-shaped flap attached to a hinge inside the valve body. When fluid flows in the correct direction, the flap swings open to allow passage. When the flow stops, the flap automatically swings back down due to gravity and reverse pressure, preventing backflow.

Advantages

• Simple design with few components → easy maintenance and long service life.
• Affordable → suitable for residential systems.

Disadvantages

• Closes slowly when the flow stops suddenly → may cause water hammer.

Applications

• Residential water supply systems
• Horizontal pipelines
• Household pumps

Spring Check Valve

Structure & Operating Principle

The valve disc is attached to a spring. In its normal state, the spring keeps the disc tightly closed. When the fluid flow reaches sufficient pressure, it pushes the disc open to allow passage. Once the flow stops, the spring immediately pushes the disc back, closing the valve completely.

Advantages

• Quick closing → minimises water hammer.
• It can be installed horizontally or vertically.
• Compact size → ideal for tight spaces.

Disadvantages

• Higher cost compared to swing check valves.
• The spring may lose elasticity over time.

Applications

• Air compressors
• Steam and hot water systems
• Pipelines that require instant backflow prevention

=> Learn More: What is a Spring Check Valve? Types, Applications & How to Choose

Lift Check Valve

Structure & Operating Principle

The valve disc moves vertically like a piston. When the flow pressure is sufficient, the disc is pushed up to allow fluid to pass. When the flow stops, the disc falls back, closing the valve tightly.

Advantages

• High sealing performance → prevents leakage effectively.
• Efficient under high pressure.

Disadvantages

• Usually only suitable for horizontal pipelines.
• Bulkier than spring check valves.

Applications

• Light industrial systems
• Fire protection systems (PCCC)
• Pipelines requiring high sealing performance

Advantages of Brass Check Valves

Compared to other materials like plastic, cast iron, or stainless steel, brass check valves (also called brass one-way valves) are widely preferred for their balance of durability, performance, and cost. Key advantages include:

• Corrosion resistance and durability
  Brass resists rust in environments such as clean water, compressed air, and oil, ensuring long-term stability and minimal damage, suitable for both residential and light industrial systems.
• Stable temperature and pressure tolerance
  Brass valves can operate at temperatures up to 120°C and pressures up to PN16 (16 bar), significantly higher than plastic valves (60–80°C). This makes them ideal for hot water, compressed air, and fire protection systems.
• Lightweight and easy to install
  Brass valves are compact and easy to connect to pipelines via internal or external threads. Their moderate weight simplifies transportation and installation compared to cast-iron valves.
• Cost-effective compared to stainless steel
  While stainless steel valves offer excellent corrosion resistance, they are expensive. Brass check valves are a more economical choice for standard systems, offering durable performance at a reasonable cost.
• High sealing and quiet operation
  Integrated rubber or silicone gaskets provide excellent sealing, preventing fluid leakage. The automatic opening and closing mechanism ensures smooth and quiet operation.

Applications of Brass Check Valves

Thanks to their outstanding durability, heat and pressure resistance, and reasonable cost, brass check valves are widely used in various systems, ranging from residential to light industrial applications:

• Domestic water supply systems
• Household water pumps
• HVAC (heating, ventilation, and air conditioning) systems
• Fire protection systems (PCCC) and in medium- to small-scale pipelines for oil, gas, or compressed air

2025 Latest Prices for Brass Check Valves

The market price of brass check valves in 2025 fluctuates depending on the brand, size (DN), valve type (swing, spring, or stop), and the distribution policy of each supplier. Additionally, prices are affected by copper raw material costs, transportation fees, and order quantity.

Below is a reference price table for some brass check valve models from Minh Hòa (MIHA/MBV) – a popular domestic brand:

Product Name	Specification (DN)	Reference Price (VND, excl. VAT)
MIHA Swing Brass Check Valve	DN50	466,600
MIHA Swing Brass Check Valve	DN65	829,400
MIHA Swing Brass Check Valve	DN80	1,124,900
MIHA Swing Brass Check Valve	DN100	2,042,700
MBV Swing Check Valve	DN21 (1/2”)	52,800
MBV Swing Check Valve	DN27 (3/4”)	69,630
MBV Swing Check Valve	DN42 (1-1/4”)	214,610
MBV Swing Check Valve	DN49 (1-1/2”)	283,580
MBV Swing Check Valve	DN60 (2”)	451,440
MIHA Spring Brass Check Valve	DN42 (1-1/4”)	281,050
MIHA Spring Brass Check Valve	DN60 (2”)	567,820

Note:

• These prices are for reference only, exclude VAT, and may change depending on the purchase time.
• For bulk orders or projects, customers usually receive higher discounts.
• Besides Minh Hòa, there are other brands on the market, such as Sanwa (Thailand) and Itap (Europe), with price differences depending on the segment.

To receive the most accurate and preferential quotation for brass check valves, customers are recommended to contact Bao Tin Steel directly – a reputable supplier of steel pipes, valves, and piping accessories in Vietnam and Cambodia.