Thread Check Valve for High-Performance Industrial Water and Gas Systems

• Customization: Available
• Media: Water
• Temperature: Ordinary Temperature
• Model NO.: check valve
• Material: Stainless Steel
• Connection Form: Thread
• Structure: Swing
• Pressure: Normal
• Function: Swing
• Sealing Form: Soft
• Flow Direction: Unidirection
• Standard: GB
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Applying Mediem: Water Oil Gas
• MOQ: 1 PC
• Shipment Time: 15 Days
• Connection Ends: Bsp/BSPT/NPT
• Transport Package: Carton, Plywood Case
• Specification: 1/4"~6"
• Trademark: SAFETYSUS
• Origin: Wenzhou
• HS Code: 8481804090
• Production Capacity: 1000PCS/Week
• Package Size: 1.00cm * 1.00cm * 1.00cm
• Package Gross Weight: 1.000kg

Product Description

Industrial-Grade Stainless Steel Threaded Check Valve

Product Description

Product Overview
Introducing our top-tier industrial-grade stainless steel threaded check valve, a masterpiece in automatic non-return valve technology crafted for both liquid and gas pipeline systems. Engineered from premium stainless steel, it boasts outstanding corrosion resistance, superior high-pressure tolerance, and remarkable thermal stability. These features render it perfect for the rigorous demands of sectors like chemical processing, petroleum extraction, water treatment facilities, and advanced HVAC systems. This expertly designed valve ensures a one-way flow, safeguarding your vital equipment from the hazards of backflow damage.

Construction & Design
1. Materials
- Body/Bonnet: Crafted from 304/316 stainless steel, offering supreme corrosion resistance for lasting durability
- Disc: Manufactured using robust stainless steel or highly durable reinforced engineering polymer (POM)
- Seals: Available in EPDM, NBR, or FKM, providing versatility and compatibility with various media
- Connection: Threaded (G/NPT/BSP standards) ensures a secure and reliable installation

2. Key Features
- Spring-assisted closure: Available in select models, promoting rapid response and effectively preventing water hammer
- Low-pressure drop: Ingeniously optimized flow path design reduces system resistance
- Compact footprint: Ingenious space-saving design perfect for installations with spatial constraints
- Maintenance-free operation: Self-actuating mechanism eliminates the need for external control, streamlining functionality


Operating Principle
The valve functions on the principle of differential pressure. As the fluid pressure rises, the disc is lifted to permit forward flow. Conversely, any reverse flow causes the disc to close automatically through gravity, spring force, or backpressure, effectively preventing backflow.


Technical Specifications
- Media Compatibility: Versatile for use with water, oils, steam, gases, and mildly corrosive fluids
- Pressure Rating: Capable of handling 0.6-4.0 MPa, with higher ratings available upon request
- Temperature Range: Withstands -20°C to 180°C, depending on selected seal material
- Connection Sizes: Available in DN15-DN100 (½"-4"), with custom sizes available to meet specific needs
- Cracking Pressure: Adjustable between 0.05-0.1 MPa in spring-assisted models, allowing for fine-tuned operations


Typical Applications
- Petrochemical: Ideal for pipeline transport and tank inlets/outlets
- Water Treatment: Perfect for pump discharges, filtration systems, and desalination processes
- HVAC: Essential for boiler feedwater and cooling circuits
- Food/Pharma: Suitable for sanitary pipelines, with GMP-compliant versions available
- Industrial Machinery: Designed for compressors, hydraulic systems, and fire protection equipment


Product Advantages
1. Superior Reliability: The corrosion-resistant construction guarantees leak-free, consistent performance
2. Reduced Maintenance: The self-operating design significantly minimizes the need for routine servicing
3. Broad Compatibility: Adaptable for use with a wide range of media and various piping standards
4. System Protection: Spring-assisted models effectively mitigate hydraulic shock, safeguarding the system


Installation & Maintenance
- Orientation: Ensure correct installation by aligning the flow arrow with media direction
- Maintenance: Routine checks of disc movement and seal integrity are recommended for optimal functionality

Detailed Photos

 

 

Product Parameters

Working pressure	PN16
Suitable medium	Water, gas, air and some corrosive liquid
Investment	Casting body and cap
Delivery time	Usual 15 days
Shipping port	NingBo,YiWu

Company Profile

Certifications

FAQ

Q:How do you pack?
A:Plastic bags-------(Paper boxes)-------Cartons-------Plywood cases

Q:How long is the quality guarantee period?
A:We supply 6 to 12 months for quality guarantee according to customers' using frequency.

Q:How can you guarantee the quality of products?
A:First of all, we have the numerical control device to manufacture products accurately. Then our quality inspectors will test products one by one to make sure every flange or fitting we sell is qualified.

Q:How can I check your factory situation while it's difficult for me to come to China.
A:We have photos and videos on our website, It shows every step of the manufacturing.
Alternatively, I can take videos or photos of our factory and send them to you.

Q:What is your lead time?
A:It's around 15 days normally. If we have the products in stock, it will be about 5days.

Q:Can you print our Logo on the valves/Fittings?
A:Yes, we can totally produce products according to your this kind special request, even manufacture it based on your drawing

Q:Are samples available to be sent with free?
A:It depends on what product you need. There are hundreds of products we sell. You can contact us for particular answer.

Q:Do you have a minimum quantity of the products?
A:No, we will build business with you with even 1pc. We believe this cooperation will be a long-term relationship for our high quality, competitive price and good after-sale service.

Q:Where are the main markets for your products?
A:We hope to make business with companies from all over the world. And for now, our flanges and fittings have been exported to especially in North America, South America, South Asia, Europe and Middle East.

Q:Are you a factory or trading company?
A:We are a factory specialized in manufacturing flange and fitting over 10 years.