CF8m Disc Wafer Butterfly Valve, Butterfly Valve, NBR Seat Di Body

• Customization: Available
• Media: Water
• Driving Mode: Manual
• 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: Our valves are designed to meet exacting standards, offering superior durability, exceptional sealing integrity, and robust construction. Trust Yuming for valves that stand the test of time and deliver consistent performance.

1. All products can provide the pressure test: All Yuming products come with a comprehensive pressure test report, ensuring they meet all rigorous quality standards before leaving the factory.
2. High performance seat rubber: Featuring a rubber content of 50%, our high-performance seat rubber guarantees more than 30,000 switch cycles, providing long-lasting durability and reliability.
3. Soft seat: Our soft seat design boasts a broader contact surface between pipes and flanges compared to hard seats, enhancing sealing performance and eliminating the need for special butterfly valve flanges.
4. Axial seal: The valve's shaft is supported by four oil-free bearings and features a dual seal structure with an O-ring and oil seal. This design ensures lower torque and a highly reliable seal.
5. Surface coating: We use epoxy powder coating for our valves, offering strong adhesion and excellent weather resistance. This makes our products suitable for both indoor and outdoor applications.
6. Ductile iron handle: Crafted from durable ductile iron, our handle offers superior strength and corrosion resistance compared to stamping handles. The end handle's half-round design ensures there are no sharp edges, providing a comfortable grip.
7. The design of shaft is blow-off resistant: Designed with an anti blow-off structure, our no-pin butterfly valve allows the handle to be changed under pressure, enhancing safety and flexibility in operation.

Design standards: Adhering to the highest industry standards to ensure reliability and performance.
Design and manufacturing standards: Conforms to GB/T 12238, ensuring top-notch quality and engineering precision.
Structure length standard: Complies with GB/T 12221 for standardized structure lengths.
Test standard: Meets GB/T 13927 testing standards for guaranteed performance.
Upper flange connection standard: Adheres to ISO 5211 standards for secure and precise connections.
Flange size standard: Compatible with GB/T 17241.6, ASME B16.5, and ASME B16.47 standards for versatile application.
ASME B16.1, JIS B2220: Ensures compliance with ASME B16.1 and JIS B2220 standards for global reliability.

Technical Specification: Our valves boast superior technical specifications to meet rigorous industrial demands.

Valve Design: Precision-engineered to meet BS EN593, BS5155, API609, and DIN3354 standards.: BS EN593/BS5155/API609/DIN3354: Ensuring compliance with global valve design standards.

Face to Face: Precisely designed to match ISO 5752-20, BS EN558-20, and API609 face-to-face dimensions. ISO 5752-20/BS EN558-20/API609: Guaranteeing adherence to international face-to-face standards.

Flange Drilling: Expertly drilled to meet ASME B16.1 Class125, ASME B16.5 CL150, ASME B16.47 CL150, DIN 2501 PN10-16, EN1092 PN10-16, and JIS10K standards. ASME B16.1 Class125/ASME B16.5 CL150/ASME B16.47 CL150/ DIN 2501 PN10-16/EN1092 PN10-16/JIS10K: Ensuring versatile flange drilling options for diverse applications.

Hydraulic Test: Rigorously tested to EN12266-1, API 598, ISO5208, and JIS B2003 standards for hydraulic performance. EN12266-1/API 598/ISO5208/JIS B2003: Conforming to stringent hydraulic testing standards for reliability.

Shell Test Pressure: Rated for 24 bar/15 bar to ensure robust performance under pressure. 24 bar/15 bar: Validates the shell's ability to withstand high pressure.

Sealing Test Pressure: Capable of sealing at pressures of 17.6 bar/11 bar for dependable operation. 17.6 bar/11 bar: Confirms the sealing integrity under specified pressures.

Material List: Comprehensive material list ensuring quality and durability.

Body: Engineered from top-tier materials for superior strength and longevity.

• Cast Iron: ASTM A126 CL.B/ DIN1691 GG25: Reliable cast iron construction for enduring performance.
• Ductile Iron: ASTM A536 60-40-18/ DIN1693 GGG40: Premium ductile iron providing exceptional strength and resilience.
• Carbon Steel: ASTM A216 WCB: High-strength carbon steel for demanding applications.
• Stainless Steel: ASTM A351 CF8/CF8M: Corrosion-resistant stainless steel for long-lasting use.
• Bronze AL-Bronze: ASTM B148 C954: Durable bronze ensures robust performance in various environments.

Disc: High-quality disc materials for reliable and efficient operation.

• Ductile Iron: ASTM A536 60-40-18/ DIN1693 GGG40: Superior ductile iron construction for enhanced durability.
• Carbon Steel: ASTM A216 WCB: Robust carbon steel ensuring strength and performance.
• Stainless Steel: ASTM A351 CF8/CF8M: Premium stainless steel for outstanding corrosion resistance.
• Bronze AL-Bronze: ASTM B148 C954: High-quality bronze disc for dependable operation in various applications.
• Coating: Choose from premium Nickel-plated, durable Epoxy, resilient EPDM, robust VITON, and versatile Nylon coatings.

Stem:

• Stainless Steel: Crafted from high-quality ASTM A182 304/316/410 for unmatched durability.
• Alloy: Precision-engineered Monel K500 for exceptional strength and corrosion resistance.

Seat:

• Elastomer Working Temperature Range
• EPDM -45ºC to 135ºC — Ideal for extreme conditions.
• NBR -10ºC to 80ºC — Perfect for standard applications.
• VITON -20ºC to 150ºC — Optimal for high-temperature requirements.
• PTFE -10ºC to 150ºC — Suitable for a wide range of temperatures.

Bushing: Superior PTFE/Bronze for low friction and long-lasting performance.

Pin:

• Stainless Steel: Constructed from ASTM A182 304/316/410 stainless steel for peak reliability.
• Alloy: Premium Monel K500 for enhanced durability and resistance to harsh environments.

Product Parameters

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

Detailed Photos

Certifications

Customer Visits

Company Profile

Yuming Valve Group Co., Ltd. was founded in 1972 and boasts an expansive industrial park covering 82,000 square meters, with 38,000 square meters dedicated to state-of-the-art construction.
Yuming Valve Group Co., Ltd. stands as a premier leader in the industrial valve manufacturing sector, celebrated for our unparalleled product quality and exemplary customer service. Since our inception in 1972, we have grown into a substantial organization, employing over 700 talented individuals, including more than 80 highly skilled technical experts.

We excel in the research, manufacturing, testing, and sales of an extensive array of valves. While our flagship product is the ball valve, we offer an impressive selection of other valves, including safety valves, butterfly valves, gate valves, globe valves, check valves, and more. Our products are integral to various industries, such as heating, petroleum, natural gas, chemical engineering, power generation, construction, water supply, and drainage, among others.

At Yuming Valve Group, our mission is to deliver cutting-edge valve solutions to our clientele. Quality is our utmost priority, assured through advanced manufacturing techniques and stringent quality control measures. Our dedicated technical team is always on hand to provide robust support and comprehensive after-sales service, ensuring the seamless installation and operation of our valves.

If you're in search of superior valve products or require expert technical support, Yuming Valve Group is your ideal partner. We are eager to forge long-term collaborative relationships and fulfill all your valve needs with our exceptional solutions.

FAQ

Q: How long is the product warranty?
A: We offer a comprehensive 12-month warranty. During this period, we provide replacement or repair services for any issues, except those caused by human factors.

Q: Are wholesale discounts available?
A: Yes, we offer attractive wholesale discounts on large orders. The discount rates are generally linked to the purchase quantity. For detailed information, please contact our customer service or email us directly.

Q: Does it support customized valve needs?
A: Absolutely! We provide custom valve services tailored to your specific requirements. For details on customization processes and pricing, consult our customer service department or reach out to us directly.

Q: How competitive are your prices?
A: Despite our brand-name reputation, our prices are highly competitive. Our exceptional pricing has attracted customers from around the globe, making YUMING a preferred choice for quality and affordability.

Q: Are you a trading company or a manufacturer?
A: We are a manufacturer with our own factory.

Q: How do I proceed with my orders?
A: First, we provide you with a quotation. Once the price is confirmed, we move forward to supplying samples for your approval. Upon sample confirmation, we proceed with mass production seamlessly.

Q: Can I request to change the form of packaging and transportation?
A: Yes, you can request changes to the packaging and transportation methods. However, you will need to cover any additional costs incurred during this process.

Q: Is the delivery time fast?
A: Our delivery times are exceptionally fast! Apart from ensuring top-notch quality, our major strength is our quick turnaround on orders. We maintain extensive stock across a wide range of sizes from DN15 to DN300, and we adhere to various flange standards like JIS, GB, ANSI, and DIN. With our vast inventory, we guarantee swift production, typically completing orders within 4 to 5 days. Choose YUMING for reliable, prompt deliveries that keep your projects on schedule and your clients satisfied.

Q: Where is the location of your factory?
A: Yuming Valve Group operates from four locations: Zhengzhou Xingyang, Zhengzhou Water Valve Factory, Zhengzhou Casting Workshop, and Wenzhou Factory.

Q: Who should we contact if there is an after-sale problem?
A: Please contact our official customer service team for any after-sale issues. They are ready to assist you promptly.

Q: How many years has your company been established?
A: Our factory boasts over 50 years of production experience, and YUMING International Sales Company has been serving customers for 8 years.