Reliable Heavy-Duty Check Valve Designed for Threaded Industrial Applications

• 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
Discover the ultimate in reliability with our industrial-grade stainless steel threaded check valve, an elite automatic non-return valve engineered for excellence in liquid and gas pipeline systems. Crafted from high-quality stainless steel, this valve offers unparalleled corrosion resistance, formidable high-pressure tolerance, and remarkable thermal stability. It is the ideal choice for rigorous applications in the chemical processing, petroleum, water treatment, and HVAC industries. The valve is designed to ensure unidirectional flow, safeguarding your crucial equipment from the perils of backflow damage.

Construction & Design
1. Materials
- Body/Bonnet: Precision-crafted from 304/316 stainless steel, offering unmatched corrosion resistance
- Disc: Constructed from durable stainless steel or robust reinforced engineering polymer (POM) for enhanced longevity
- Seals: Choose from EPDM, NBR, or FKM for optimal media compatibility across diverse environments
- Connection: Threaded in G/NPT/BSP standards, ensuring a secure and reliable installation experience

2. Key Features
- Spring-assisted closure: Available in select models, ensures rapid response and prevents water hammer with precision
- Low-pressure drop: Ingeniously optimized flow path design drastically reduces system resistance
- Compact footprint: Designed to save space, ideal for installations where space is at a premium
- Maintenance-free operation: A self-actuating mechanism that requires no external control, promoting ease of use


Operating Principle
Operating seamlessly on differential pressure, the valve allows fluid pressure to lift the disc for forward flow. Reverse flow is automatically arrested by the disc being closed via gravity, spring force, or backpressure, effectively preventing backflow.


Technical Specifications
- Media Compatibility: Tailored for water, oils, steam, gases, and mild corrosive fluids
- Pressure Rating: 0.6-4.0 MPa, with higher ratings available for more demanding conditions
- Temperature Range: -20°C to 180°C, contingent on seal material, accommodating various operational needs
- Connection Sizes: DN15-DN100 (½"-4"), with custom sizes available to suit specific requirements
- Cracking Pressure: Adjustable between 0.05-0.1 MPa in spring-assisted models for precise control


Typical Applications
- Petrochemical: Ideal for pipeline transport and tank inlets/outlets
- Water Treatment: Perfect for pump discharges, filtration systems, and desalination processes
- HVAC: Reliable for boiler feedwater and cooling circuit applications
- Food/Pharma: Suited for sanitary pipelines, available in GMP-compliant versions
- Industrial Machinery: Suitable for compressors, hydraulic systems, and fire protection setups


Product Advantages
1. Superior Reliability: With corrosion-resistant construction, it ensures performance that is as watertight as it is dependable
2. Reduced Maintenance: The self-operating design significantly minimizes service and upkeep requirements
3. Broad Compatibility: Engineered to suit a wide variety of media and piping standards seamlessly
4. System Protection: Spring-assisted models effectively mitigate hydraulic shock, preserving system integrity


Installation & Maintenance
- Orientation: Install corresponds with the flow arrow to match the direction of media
- Maintenance: Regular inspection of disc movement and seal integrity is recommended to ensure optimal performance

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.