CF8 Disc Wafer Butterfly Valve, Butterfly Valve, Soft Seal NBR Seat

Product Details
Customization: Available
Media: Water
Driving Mode: Manual
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  • CF8 Disc Wafer Butterfly Valve, Butterfly Valve, Soft Seal NBR Seat
  • CF8 Disc Wafer Butterfly Valve, Butterfly Valve, Soft Seal NBR Seat
  • CF8 Disc Wafer Butterfly Valve, Butterfly Valve, Soft Seal NBR Seat
  • CF8 Disc Wafer Butterfly Valve, Butterfly Valve, Soft Seal NBR Seat
  • CF8 Disc Wafer Butterfly Valve, Butterfly Valve, Soft Seal NBR Seat
  • CF8 Disc Wafer Butterfly Valve, Butterfly Valve, Soft Seal NBR Seat
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  • Overview
  • Product Description
  • Product Parameters
  • Detailed Photos
  • Certifications
  • Customer Visits
  • Company Profile
  • FAQ
Overview

Basic Info.

Structure
Centre Sealing
Seal Form
Supercharging Pressured 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
ANSI/BS/DIN/JIS
Application
Industrial Usage, Water Industrial Usage, Household Usage
Body
Di
Disc
Di, CF8, CF8m, CF3, CF3m, C594, C598
Seat
EPDM, NBR, Viton
Stem
Ss416, Ss420, SS304
Transport Package
Standard Export Wooden Carton
Specification
DN40-DN300
Trademark
Yuming/OEM/ODM
Origin
Zhengzhou, China
HS Code
8481804090
Production Capacity
50000PCS/Month

Product Description

Product Description
 
Product Advantages
  1. All Yuming products undergo rigorous pressure testing, with detailed pressure test reports provided before they leave the factory. This ensures the utmost reliability and performance of our valves.
  2. High Performance Seat Rubber: Crafted with a rubber content of 50%, our seat rubber guarantees an impressive switch life of over 30,000 cycles, offering unmatched durability and dependability.
  3. Soft Seat: Our innovative soft seat design maximizes the contact surface between pipes and flanges, significantly enhancing sealing performance. Additionally, our butterfly valves eliminate the need for special flanges, simplifying installation and reducing costs.
  4. Axial Seal: Featuring a sophisticated design with 4 oil-free bearings, an o-ring, and a double seal structure with an oil seal, our axial seal ensures minimal torque and exceptional reliability.
  5. Surface Coating: Our valves are treated with a robust epoxy powder coating that boasts excellent adhesion and superior weather resistance, making them ideal for both indoor and outdoor applications.
  6. Ductile Iron Handle: Constructed from high-strength ductile iron, our handles offer superior corrosion resistance and durability compared to stamping handles. The ergonomic, half-round design ensures a comfortable grip without sharp edges.
  7. Blow-Off Resistant Shaft Design: Our no-pin butterfly valve features an innovative anti blow-off structure, enabling handle replacement under pressure for heightened safety and convenience.
Design Standards
Design and Manufacturing Standards: GB/T 12238
Structure Length Standard: GB/T 12221
Test Standard: GB/T 13927
Upper Flange Connection Standard: ISO 5211
Flange Size Standard: GB/T 17241.6, ASME B16.5, ASME B16.47,
ASME B16.1, JIS B2220

Technical Specification:

Valve Design: BS EN593/BS5155/API609/DIN3354

Face to Face: ISO 5752-20/BS EN558-20/API609

Flange Drilling: ASME B16.1 Class125/ASME B16.5 CL150/ASME B16.47 CL150/ DIN 2501 PN10-16/EN1092 PN10-16/JIS10K

Hydraulic Test: EN12266-1/API 598/ISO5208/JIS B2003

Shell Test Pressure: 24 bar/15 bar

Sealing Test Pressure: 17.6 bar/11 bar

Material List:

Body:
  • Cast Iron: ASTM A126 CL.B/ DIN1691 GG25
  • Ductile Iron: ASTM A536 60-40-18/ DIN1693 GGG40
  • Carbon Steel: ASTM A216 WCB
  • Stainless Steel: ASTM A351 CF8/CF8M
  • Bronze AL-Bronze: ASTM B148 C954
Disc:
  • Ductile Iron: ASTM A536 60-40-18/ DIN1693 GGG40
  • Carbon Steel: ASTM A216 WCB
  • Stainless Steel: ASTM A351 CF8/CF8M
  • Bronze AL-Bronze: ASTM B148 C954
  • Coating: Nickel-plated, Epoxy, EPDM, VITON, Nylon
Stem:
  • Stainless Steel: ASTM A182 304, 316, 410
  • Alloy: Monel K500
Seat:
  • Elastomer | Working Temperature
  • EPDM | -45ºC to 135ºC
  • NBR | -10ºC to 80ºC
  • VITON | -20ºC to 150ºC
  • PTFE | -10ºC to 150ºC
Bushing: PTFE, Bronze

Pin:
  • Stainless Steel: ASTM A182 304, 316, 410
  • Alloy: Monel K500
Product Parameters

CF8 Disc Wafer Butterfly Valve, Butterfly Valve, Soft Seal NBR Seat
DN A D1 L1 L2 L3 B φD2 φD3 n-φd L
1.5″ DN40 34 62.5 55.5 111.5 25 9 65 50 4-8 249
2″ DN50 43 80 72 132 25 9 65 50 4-8 249
2.5″ DN65 46 95 86 138 25 9 65 50 4-8 249
3″ DN80 46 113 96 153 25 9 65 50 4-8 249
4″ DN100 52 135 108 167 28 11 90 70 4-10 283
5″ DN125 56 163 125 184 28 14 90 70 4-10 283
6″ DN150 56 190 138 195 28 14 90 70 4-10 283
8″ DN200 60 244 170 236 33 17 125 102 4-12 390
10″ DN250 68 298 209 266 33 22 125 102 4-12 390
12″ DN300 78 350 236 305 33 22 125 102 4-12 540

CF8 Disc Wafer Butterfly Valve, Butterfly Valve, Soft Seal NBR Seat
Detailed Photos

CF8 Disc Wafer Butterfly Valve, Butterfly Valve, Soft Seal NBR Seat
Certifications
 
CF8 Disc Wafer Butterfly Valve, Butterfly Valve, Soft Seal NBR Seat
CF8 Disc Wafer Butterfly Valve, Butterfly Valve, Soft Seal NBR Seat
CF8 Disc Wafer Butterfly Valve, Butterfly Valve, Soft Seal NBR Seat
 
Customer Visits

CF8 Disc Wafer Butterfly Valve, Butterfly Valve, Soft Seal NBR Seat
Company Profile
 
Founded in 1972, Yuming Valve Group Co., Ltd. spans a majestic 82,000 square meters industrial park with 38,000 square meters of constructed space.
Yuming Valve Group Co., Ltd. stands as a premier name in industrial valve manufacturing, celebrated for our unparalleled product quality and exceptional customer service. Since our inception in 1972, we have grown into an expansive enterprise housing over 700 dedicated employees, including more than 80 skilled technical professionals.

We are experts in the research, manufacture, testing, and sales of a diverse array of valves. While our flagship product is the ball valve, we proudly offer an extensive lineup that includes safety valves, butterfly valves, gate valves, globe valves, check valves, and more. Our superior valve solutions serve a broad spectrum of industries such as heating, petroleum, natural gas, chemical engineering, power generation, construction, water supply, and drainage.

At Yuming Valve Group, our mission is to deliver cutting-edge valve solutions to our valued customers. Quality remains our highest priority, ensured through advanced manufacturing techniques and stringent quality control systems. Our dedicated technical team is always on hand to provide comprehensive support and exemplary after-sales service, guaranteeing smooth installation and optimal operation of our valves.

If you seek superior valve products coupled with professional technical support, look no further than Yuming Valve Group. We are devoted to becoming your reliable partner and aim to build long-lasting, collaborative relationships while meeting all your valve needs with precision and excellence.
CF8 Disc Wafer Butterfly Valve, Butterfly Valve, Soft Seal NBR Seat
 
FAQ
 

Q: How long is the product warranty?
A: We offer a comprehensive 12-month warranty. Within this period, we provide replacement or repair services for issues not caused by human factors.

Q: Are wholesale discounts available?
A: Yes, wholesale discounts are available for bulk orders. Discount rates depend on the purchase quantity. Please contact our customer service or email us for detailed information on discounts.

Q: Does your company support customized valve needs?
A: Absolutely. We provide custom valve services tailored to your specific requirements. Please consult our customer service or contact us directly to learn about the customization process, services, and pricing.

Q: How are your prices?
A: Our prices are exceptionally favorable and competitive, despite our brand-name products. Due to our best price policy, customers from around the globe choose our products. Rest assured, you will receive top-quality products at the best prices.

Q: Are you a trading company or manufacturer?
A: We are a manufacturer. All products are produced directly at our factory.

Q: How do I proceed with an order?
A: Firstly, we provide a quotation. Once the price is agreed upon, we supply samples for your approval. Upon sample confirmation, we proceed with mass production to fulfill your order.

Q: Can I request changes to the packaging and transportation?
A: Yes, we can accommodate your requests for changes in packaging and transportation. However, you will need to cover any additional costs incurred during this process.

Q: Is your delivery time fast?
A: Our delivery time is exceptionally quick. We ensure top-quality products with a fast turnaround. With extensive stock in our large warehouses, we handle orders ranging from DN15 to DN300, adhering to standards like JIS, GB, ANSI, and DIN. Typically, production is completed within 4 to 5 days, guaranteeing no delays in your projects and minimal waiting time. At YUMING, the combination of high-quality materials, appealing products, secure packaging, rigorous testing, and prompt delivery makes us your ideal choice.

Q: Where is your factory located?
A: Yuming Valve Group operates four factories. Our headquarters are in Zhengzhou Xingyang, with additional facilities at Zhengzhou Water Valve Factory, Zhengzhou Casting Workshop, and Wenzhou Factory.

Q: Who should we contact for after-sales issues?
A: Please contact our official customer service for any after-sales problems. We are here to assist you.

Q: How many years has your company been established?
A: Our factory boasts over 50 years of production experience. The YUMING International Sales Company has been operational for the past 8 years.

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