Premium Corrosion-Resistant Stainless Steel Valve for Electric and Manual Use
| Customization: | Available |
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| Media: | Gas |
| Driving Mode: | Manual |
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Basic Info.
- Model NO.
- D71X
- Connection Form
- Wafer
- Structure
- Centre Sealing
- Seal Form
- Force Sealed
- Valve Stem
- Normal
- Work Pressure
- Low Pressure (Pn<1.6mpa)
- Working Temperature
- Normal Temperature (-40°C<T<120°C)
- Material of Seal Surface
- Soft Sealed
- Valve Body
- Sheet Metal
- Standard
- GB
- Application
- Industrial Usage, Water Industrial Usage, Household Usage
- Power
- Manual, Worm Gear Electric Pneumatic
- Seat Material
- NBR/EPDM/PTFE/Viton
- Certificates
- CE&ISO
- Disc Material
- Stainless Steel
- Transport Package
- Carton&Wooden Case
- Specification
- DN50~DN1200
- Trademark
- SafetySS
- Origin
- Wenzhou
- HS Code
- 8481804090
- Production Capacity
- 1000PCS/Week
Packaging & Delivery
- Package Size
- 40.00cm * 50.00cm * 40.00cm
- Package Gross Weight
- 5.000kg
Product Description
Product Overview
Introducing the D71X Stainless Steel Wafer Butterfly Valve, a marvel of precise engineering featuring a centric design and wafer-type connections. This advanced valve is crafted for swift opening and closing, offering seamless flow regulation. Its compact framework and reliable sealing make it a preferred choice across water treatment, chemical, food, and pharmaceutical sectors. Ideal for handling corrosive media or high-purity applications, its versatility is unmatched.
Model Breakdown
- D: Denotes Butterfly Valve
- 7: Represents Wafer Connection
- 1: Indicates Centric Design (Valve disc rotates centrally)
- X: Specifies Rubber Seat Material (such as EPDM, NBR, etc.)
Structure & Materials
- Body/Disc/Stem crafted from premium-grade stainless steel (304, 316, or 316L) for exceptional corrosion resistance.
- Seat Ring: Made of durable rubber (standard is EPDM, suitable for temperatures from -20°C to 120°C; alternatives include NBR, Fluorocarbon, tailored for specific media).
- Actuation available in manual (lever or gear-operated) or customizable pneumatic/electric actuators for enhanced flexibility.
Working Principle
The valve disc rotates a full 90° using the stem to modulate fluid flow. The centric design ensures a consistent interface between the disc and seat, providing bidirectional sealing with negligible leakage even at low-pressure differentials.
Key Feature
- Unmatched Corrosion Resistance: Stainless steel combined with rubber sealing, making it perfect for acidic or alkaline environments.
- Minimal Flow Resistance: The full-bore design significantly reduces pressure loss.
- Lightweight & Sturdy: Its compact form, weighing just a third of gate valves, ensures low maintenance requirements.
- Swift Operation: Enables quick control, either manually or automatically, with a 90° rotation.
- Wide Temperature Range: Operates between -20°C to 180°C, depending on seat material.
Applications
- Water Treatment: Ideal for water supply, drainage, firefighting, and wastewater systems.
- Industrial Piping: Suitable for chemical, petroleum, gas, and HVAC applications.
- Food & Pharma: Offers sanitary-grade options with polished surfaces, fully compliant with GMP standards.
Installation & Maintenance
- Installation: Must be done with matching flanges; symmetrically tighten bolts to prevent seat damage.
- Maintenance: Regular inspections for seat wear and stem lubrication are essential; seal replacement is advised every 3-5 years, subject to service conditions.
Precautions
- Avoid exceeding pressure or temperature limits to prevent seal failures.
- Install a filter if the media contains hard particulates to protect valve integrity.
- Note that rubber seats are unsuitable for strong oxidizers like concentrated sulfuric acid; select materials wisely for aggressive media.
Optional Configurations:
- Alternative seat materials available (e.g., PTFE for enhanced high-temperature resistance).
- Extended stem options (ideal for insulated pipelines or specific installations).
- Locking devices can be added to avert unintentional operations.
For comprehensive technical specifications or to customize your solution, please provide detailed operational parameters, and we will tailor the best solution to meet your precise needs.
| Nominal Diameter (DN) | DN50 ~ DN1200 (common range) |
| DN50 ~ DN1200 (common range) | PN6 ~ PN16 (up to PN25 available) |
| Applicable Media | Water, steam, oils, mildly corrosive liquids/gases |
| Connection Standards | GB, ANSI, JIS, DIN, etc. |
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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