Wafer-Type Butterfly Valve Technical Specifications
Structure & Operating Principle
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Axially symmetric disc design, precisely mounted along pipeline diameter
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0°-90° rotation adjustment, achieving full flow at 90° open position with minimal pressure drop
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Cylindrical valve body ensures stable fluid dynamics
Key Advantages
✓ Compact design: 40% lighter than flange-type valves with space-saving installation
✓ Rapid actuation: Quarter-turn operation (manual/pneumatic/electric actuators available)
✓ Precision casting: Surface roughness Ra≤3.2μm, 100% X-ray inspected for defect-free construction
Industrial Applications
✓Coal chemical: Gas scrubbing system diverter valves
✓Petrochemical: Product pipeline flow control
✓Pharmaceutical: GMP-compliant sterile process lines
✓Special services: PTFE-lined/316L options for corrosive media
Performance Parameters
• Size range: DN50-DN2000 (2"-80")
• Pressure rating: PN10-PN40 (ANSI 150LB-300LB)
• Leakage class: ISO 5208 Grade A
• Temperature range: -29°C~200°C (extendable to 450°C for special configurations)
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| Basic Info. |
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| Model NO. |
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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 |
Casting |
Standard |
API609 En593 BS5155 En1092 ISO5211 As2129 |
| Application |
Industrial Usage, Water Industrial Usage, Household Usage |
Power |
Lever/Aluminum Lever/Electric/Pneumatic Actuator |
| Certificates |
Ce ISO Wras Acs Dnv FDA |
Flowing |
Corrosive/ Alkali/ Food/ Drinking Water/ Portable |
| Specification |
DN40-DN1200 |
Trademark |
ET/OEM |
| Origin |
Tianjin China (Mainland) |
HS Code |
8481804090 |
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| Packaging & Delivery |
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| Package Size |
110.00cm * 110.00cm * 90.00cm |
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| Package Gross Weight |
500.000kg |
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Tianjin ET Valve Co., Ltd. - Innovative Valve Solutions
Established in 2022, we specialize in high-performance Resilient Seated Concentric butterfly valves for chemical, environmental, and food industries. Our media-optimized designs and advanced sealing technology solve jamming and corrosion issues, ensuring longer service life.
With 50% R&D staff, we combine digital design and smart manufacturing to deliver reliable, customized solutions. Our ISO-certified testing lab validates performance under extreme conditions.
In just nearly four years, ET Valve has become a trusted partner for global clients seeking durable, high-efficiency valve solutions.
1.Top-quality precision valves - Strict standards, lean production.
2.Trusted "ET Valve" brand - Reliability and market recognition.
3.Fast delivery, large capacity - Handles 3x urgent orders easily.
4.Full-process custom service - Design to installation, expert support.
- About Products
Q1: How is the quality?
A1: Quality is priority. We pay much attention to the quality check. Every product will be fully assembled and carefully tested before it's packed for shipment.
Q2: Do you have a list of your most popular products?
A2: Here is a list of our most popular products.
- About Samples
Q1: Can you provide free Valve samples?
A1: Yes, but the shipping cost needs to be borne by the buyer.
Q2: How much for a sample?
A2: Please tell me the samples and other details you want, and I will quote you as soon as possible.
- About MOQ
Q1: What is your minimum order quantity?
A1: The MOQ for each product is different, so it would be recommended to refer to the detail page of the product you are interested in. If you need further clarification, send me the product link, and I will reply as soon as possible.
- About Customised
Q1: Can I customize products?
A1: Yes. Let me know the specific customization requirements, and I will get back to you as soon as possible.
Q2: Can I customize the logo and packaging?
A2: Yes, we can customize products based on your design and packaging requirements. Please send your detailed requirements to us.
- About Price
Q1: Why is the actual price higher than the price on the website?
A1: The price on the website is for the most basic style and the smallest size, while we will recommend the right product to you according to your actual requirement, which will make the actual product different from the basic style, so the price will be different, and at the same time the bigger the size, the higher the price will be. Each quotation is the best price we have calculated to give.
Q2: What is the price?
A2: For an accurate quote, please provide us with more details like logo or packaging customization requirements, quantity preference, shipping address, etc.
- About Production
Q1: What is the lead time of your products?
A1: It mainly depends on the types of products, quantity, and season. As for most of the products with small quantities, we can deliver them within 15 days while it will take about 30 days for the products with large quantities. In addition, we also have some products in stock. Please feel free to talk with us about the lead time of specific products.
Q2: How long is your production cycle?
A2: The production cycle for each product is different. If you need further clarification, send me the product link with the sizes, quantity and special requirements you need, and I will reply as soon as possible.
- About Payment
Q1: What is your payment term?
A1: We need to collect 30% of the amount as the deposit of the order, and the final payment must be settled before shipment. Payment can be made by T/T, Western Union, PAYPAL, credit card, etc. Acceptable currencies are USD, RMB, EUR, JPY, SGD and HKD, etc. This is negotiable.
Q2: Can I pay the full payment for the goods before they leave the warehouse without paying the deposit?
A2: We need a 30% advance payment as a deposit. If you feel uneasy about this, you can make the payment through MIC, which is beneficial for both of us.
- About Shipping
Q1: How can I get accurate quote for different shipping options?
A1 :Please send us your detailed address so that we can provide you with the shipping options and relevant costs.
Q2: What shipping methods can you offer?
A2: There are several shipping options, such as by express (DHL/UPS/FedEx, etc.), by sea, and by land. We suggest to go by sea if you order a big quantity of goods, by land to some Asian and European countries, and by express if you would like to receive your goods as soon as possible. We will discuss with you to offer a best shipping method for you before placing your orders.
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