Cast Iron Body Wafer Butterfly Valve, Butterfly Valve, CF8m Disc EPDM Seat

• 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

1. All products can provide the pressure test: Every Yuming product undergoes rigorous pressure testing, ensuring a comprehensive report is provided prior to leaving the factory.
2. High performance seat rubber: Boasting a 50% rubber content, this seat ensures exceptional durability with a switch life exceeding 30,000 cycles.
3. Soft seat: The expansive contact surface between pipes and flanges surpasses that of hard seats, offering superior sealing performance and eliminating the need for specialized butterfly valve flanges.
4. Axial seal: Featuring a robust design with four oil-free bearings, coupled with an O-ring and oil seal dual structure, this ensures reduced torque and enhanced sealing reliability.
5. Surface coating: Utilizing epoxy powder coating, this product guarantees strong adhesion and excellent weather resistance, making it suitable for both indoor and outdoor applications.
6. Ductile iron handle: Constructed from ductile iron, this handle outperforms its stamped counterparts with superior strength, enhanced corrosion resistance, and increased durability. The half-round design ensures a smooth, comfortable grip without sharp edges.
7. The design of shaft is blow-off resistant: Engineered with an anti blow-off structure, the no-pin butterfly valve allows for handle replacement under pressure, enhancing safety and functionality.

Design standards
Design and manufacturing standards: Adheres to GB/T 12238 for optimal quality and reliability.
Structure length standard: Compliant with GB/T 12221 for consistent performance.
Test standard: Follows GB/T 13927 to ensure rigorous testing protocols.
Upper flange connection standard: Designed in accordance with ISO 5211 standards.
Flange size standard: Aligns with GB/T 17241.6, ASME B16.5, and ASME B16.47 for universal compatibility.
ASME B16.1, JIS B2220

Technical Specification:

Valve Design: Conforms to BS EN593, BS5155, API609, DIN3354 for unmatched quality and performance.

Face to Face: Meets ISO 5752-20, BS EN558-20, API609 standards for precise face-to-face dimensions.

Flange Drilling: Compatible with ASME B16.1 Class125, ASME B16.5 CL150, ASME B16.47 CL150, DIN 2501 PN10-16, EN1092 PN10-16, and JIS10K.

Hydraulic Test: Conducted according to EN12266-1, API 598, ISO5208, and JIS B2003 guidelines.

Shell Test Pressure: Rated at 24 bar and 15 bar for optimal performance.

Sealing Test Pressure: Rated at 17.6 bar and 11 bar to ensure impeccable sealing.

Material List:

Body:

• Constructed from Cast Iron (ASTM A126 CL.B/ DIN1691 GG25), ensuring robust and reliable performance.
• 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: Options available include Nickel-plated, Epoxy, EPDM, VITON, and Nylon coatings.

Stem:

• Stainless Steel: Crafted from premium ASTM A182 304/316/410 for superior strength and durability.
• Alloy: Utilizing Monel K500 for exceptional corrosion resistance and strength.

Seat:

• Elastomer Working Temperature Range
• EPDM -45ºC to 135ºC: Ideal for a wide range of temperatures.
• NBR -10ºC to 80ºC: Suitable for moderate temperature applications.
• VITON -20ºC to 150ºC: Perfect for high-temperature environments.
• PTFE -10ºC to 150ºC: Versatile for various demanding conditions.

Bushing: Choice of PTFE or Bronze for reduced friction and enhanced performance.

Pin:

• Stainless Steel: Made from ASTM A182 304/316/410 to ensure long-lasting reliability.
• Alloy: Monel K500, providing excellent durability and resistance to harsh conditions.

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

Founded in 1972, Yuming Valve Group Co., Ltd. spans an impressive 82,000 square meters within our industrial park, with 38,000 square meters dedicated to state-of-the-art facilities.
Yuming Valve Group Co., Ltd. is a prestigious leader in the industrial valve manufacturing sector, celebrated for unparalleled product excellence and exceptional customer service. Since our inception in 1972, we have witnessed significant growth and transformation into a robust organization, now boasting a workforce of over 700 employees, including more than 80 highly skilled technical experts.

We pride ourselves on our expertise in the research, manufacturing, testing, and sales of a diverse array of valves. While our flagship product is the ball valve, our extensive portfolio also features safety valves, butterfly valves, gate valves, globe valves, check valves, and more. Our versatile products are integral to various industries, including heating, petroleum, natural gas, chemical engineering, power generation, construction, and water supply and drainage.

At Yuming Valve Group, our mission is to deliver cutting-edge valve solutions that consistently exceed customer expectations. Quality remains our utmost priority, achieved through advanced manufacturing processes and stringent quality control systems. Our dedicated technical team is always on standby to offer comprehensive support and ensure the seamless installation and operation of our valves.

Whether you seek top-tier valve products or require professional technical assistance, Yuming Valve Group is unwavering in our commitment to being your trusted partner. We eagerly anticipate fostering long-term partnerships and addressing all your valve needs with innovative solutions.

FAQ

Q: How long is the product warranty?
A: Within a 12-month period, we offer comprehensive replacement or repair services for any issues, excluding those arising from human causes. Trust in our commitment to quality and customer satisfaction.

Q: Are wholesale discounts available?
A: Yes, we offer attractive wholesale discounts on bulk purchases, typically based on the purchase quantity. For detailed discount information, please reach out to our customer service or email us.

Q: Does Yuming support customized valve needs?
A: Absolutely! We provide custom valve solutions to meet your specific requirements. Contact our customer service team through our website or get in touch with us directly to learn more about the customization processes, services, and pricing.

Q: How competitive are your prices?
A: Despite offering brand-name products, our prices are remarkably favorable and competitive. Our excellent pricing attracts customers from around the globe, making us 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, ensuring quality control and competitive pricing.

Q: How do I proceed with placing an order?
A: The ordering process with us is seamless. First, we provide a detailed quotation. After price confirmation, we will supply samples for your approval. Once you confirm the samples, we move forward with mass production, ensuring top-quality and timely delivery.

Q: Can I request changes in packaging and transportation?
A: Yes, we can accommodate requests for changes in packaging and transportation to meet your preferences. Please note that any additional costs incurred during this period will be borne by you.

Q: Is the delivery time fast?
A: Our delivery times are exceptionally fast! We pride ourselves on our quick turnaround for orders, backed by our extensive stock and readiness to meet various standards like JIS, GB, ANSI, and DIN. Typically, production is completed within 4 to 5 days. With Yuming, you are guaranteed prompt delivery, ensuring your projects stay on track and your clients are satisfied.

Q: Where is your factory located?
A: Yuming Valve Group operates from four locations: our headquarters in Zhengzhou Xingyang, Zhengzhou Water Valve Factory, Zhengzhou Casting Workshop, and our Wenzhou Factory.

Q: Who should we contact for after-sales support?
A: For any after-sale issues, please contact our official customer service team. We are here to help resolve your problems efficiently.

Q: How many years has your company been established?
A: Our factory boasts over 50 years of production experience. Additionally, the YUMING International Sales Company was established 8 years ago, further enhancing our global reach and expertise.