● Model: BJ53002
● Size:1/4'' * 1/2''
● Material: Brass
● Color: Brass Color
● Working Medium : Water
● Leakage Pressure : 10~12 bar
● Max Medium Temperature : 90 ℃
● Test Standards : CE / KS
| Descriptions | Brass Safety One Way Direct Valve for Firefighting System |
| Model No | BJ53002 |
| Material | Brass |
| Processing | Forging, CNC Machining |
| Size | PT1/4'' * PT1/2'' |
| Working Medium | Water |
| Working Temperature | 5℃~90℃ |
| Leakage Pressure | 12 bar ± 0.5 bar |
| Surface Treatment | Brass Natural Color |
| Material Details for Each Part | Brass Body, Brass Core, SS Spring |
The BESTJADES Brass Safety One Way Direct Valve (model BJ53002) is a reliable and essential component designed specifically for firefighting systems. Built with durability and safety in mind, this valve helps ensure that firefighting equipment works efficiently and safely when it’s most needed.
The main job of this valve is to control pressure within the firefighting system by allowing excess pressure to be safely released. It works as a one-way valve, meaning it lets water flow in only one direction and prevents backflow. This protects the system from damage that could be caused by reverse pressure or water flowing back into the supply line. By keeping the pressure balanced, the valve helps maintain the proper functioning of pumps, pipes, and other parts of the fire protection system.
Easy to install, the BESTJADES Brass Safety One Way Direct Valve fits well in various firefighting setups. Whether used in fire sprinkler systems, fire hydrant lines, or other water-based fire protection equipment, this valve supports system safety and increases the lifespan of other components. Its compact design means it doesn’t take up much space but still provides strong performance.
Additionally, this relief valve meets industry standards for safety and performance, giving users confidence that their firefighting equipment is up to the task. Maintenance is simple, and the valve’s construction reduces the need for frequent replacements, saving time and money over the long term.
♦ The imported Japan stainless steel spring SUS631-17-7H makes the resilience better, and lifetime can reach to 1000000 times
♦ 100% leakage pressure & high/low pressure test provide strong support for quality
♦ Professional engineered designed and high precision machining produced, to give out excellent performance and reliable quality


Q1. Are you a factory or trading company?
A: We are a factory and trade company together. We have our own factory with different workshops and production equipment lines. Welcome to visit our factory.
Q2. Can I have a sample order?
A: Yes, sample order can be offered to test and check quality.
Q3. Do you have any MOQ limit for one order?
A: For promotion items: No MOQ, 1pc available & For non-promotion items: 1000~3000pcs MOQ according to different models.
Q4. How do you ship the goods and how long does it take to arrive?
A: We usually ship by sea. It takes approx 30 days to arrive. Airline shipping can be also optional.
Q5. What’s your production lead time?
A: Sample order: 7~10 days; Bulk order: 30~45 days.
Q6. Can you do OEM?
A: Yes, welcome to provide drawings or samples for customization.
Q7: Do you offer guarantee for the products?
A: Yes, we offer 3 years warranty to our products.