Industrial-grade Excellence Premium Stainless Steel/Carbon Steel Flange Vertical Check Valve
Product Description
Structure & Working Principle
Innovative Design Features:
Lift-type Design: Experience seamless vertical installations with a disc that moves gracefully along the vertical centerline within the valve body, epitomizing engineering finesse.
Spring-assisted Sealing: Crafted for instant and precise pressure response, this feature guarantees reliability in any scenario. Premium models come with enhanced springs to excel in horizontal pipelines.
Operation:
Closed by Default: Ensures your system remains fully protected with a valve that stays securely shut when there's no flow.
Efficient Forward Flow: With effortless ease, the inlet pressure overcomes the spring force, gracefully lifting the disc to enable a smooth flow.
Prevention of Reverse Flow: The robust combination of spring and backpressure compellingly closes the disc, offering steadfast backflow protection.
Key Specifications
Pressure Rating: Tailored for diverse operational demands, ranging from PN16~PN40 (150LB-300LB).
Temperature Range:
- Carbon Steel (WCB): Efficiently withstands temperatures up to ≤425°C, suitable for water, oil, and steam.
- Stainless Steel (304/316): Optimally functions up to ≤200°C, perfect for corrosive environments.
Materials & Standards
- Body Materials:
- Constructed with Durable Carbon Steel (WCB) and Resilient Stainless Steel (304/316)
Dimensions & Connection
- Nominal Diameter (DN): Available from DN15 to DN350, adaptable for a myriad of applications.
- Connection Type: Flange (RF/FF), ensuring a solid and secure fit.
Applications
- Media: Excels with water, steam, oils, and even handles weak acids like nitric acid, and strong corrosives such as acetic acid with ease.
- Industries:
- Oil & Gas: Provides precise unidirectional flow control, critical for industry standards.
- Pharmaceutical: Shields against backflow contamination, ensuring product integrity.
- Power Plants: Indispensable for protecting boiler feedwater systems.
- Wastewater Treatment: Perfectly suited for pump discharge lines, boosting operational efficiency.
Installation & Maintenance
- Installation: Vertical mounting is crucial for effective gravity-assisted sealing. Keep pipelines clean for peak performance.
- Maintenance:
- Regularly inspect springs and sealing surfaces to maintain top-tier performance.
- Monitor thermal fatigue diligently in high-temperature systems to preserve structural integrity.
Detailed Photos
Product Parameters
| Working pressure |
PN16~PN40 OR 150LB~300LB |
| Suitable medium |
Water, gas, air and some corrosive liquid |
| Investment |
Casting body and cap |
| Delivery time |
Usual 15 days |
| Shipping port |
NingBo,YiWu |
Certifications
Company Profile
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.
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