Ductile Iron Body Wafer Butterfly Valve, Butterfly Valve, EPDM Seat Water System

• Customization: Available
• Media: Water
• Driving Mode: Manual
• Connection Form: Wafer
• 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. Comprehensive Pressure Testing: Yuming Valve Group Co., Ltd ensures every product undergoes rigorous pressure testing before shipment, accompanied by a detailed pressure test report.
2. Superior High-Performance Seat Rubber: With 50% rubber content, our seat rubber guarantees over 30,000 operational cycles, ensuring longevity and reliability.
3. Enhanced Soft Seat Design: Our soft seat provides a broader contact surface between pipes and flanges compared to hard seats, significantly improving sealing performance during installation. No special flange is required for the butterfly valve.
4. Innovative Axial Seal: Featuring four oil-free bearings and a dual seal structure with an O-ring and oil seal, our axial seal design delivers lower torque requirements and unparalleled sealing reliability.
5. Durable Surface Coating: Utilizing advanced epoxy powder coating, our products boast strong adhesion and excellent weather resistance, making them suitable for both indoor and outdoor applications.
6. Robust Ductile Iron Handle: Crafted from ductile iron, our handle outperforms stamping handles in strength and corrosion resistance. Its half-round design ensures no sharp edges for a comfortable grip.
7. Blow-Off Resistant Shaft Design: Our no-pin butterfly valve features an anti blow-off structure, allowing handle replacement under pressure for added safety and convenience.

Design Standards
Design and Manufacturing Standards: Adhering to GB/T 12238, our products meet stringent design and manufacturing quality criteria.
Structure Length Standard: Compliance with GB/T 12221 ensures precise structural dimensions.
Test Standard: Our valves are rigorously tested following GB/T 13927 standards to guarantee performance.
Upper Flange Connection Standard: Conforming to ISO 5211, our upper flange connections are standardized for compatibility.
Flange Size Standard: Our flanges meet GB/T 17241.6, ASME B16.5, and ASME B16.47 standards for versatile application.
Compliance with ASME B16.1 and JIS B2220 standards ensures versatile flange compatibility.

Technical Specification:

Valve DesignDesigned in accordance with BS EN593/BS5155/API609/DIN3354 standards.

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

Flange Drilling:Meets ASME B16.1 Class125, ASME B16.5 CL150, ASME B16.47 CL150, DIN 2501 PN10-16, EN1092 PN10-16, JIS10K standards for accurate flange drilling.

Hydraulic Test:Conducted in accordance with EN12266-1, API 598, ISO5208, and JIS B2003 standards.

Shell Test Pressure:Tested at 24 bar and 15 bar pressures for shell integrity.

Sealing Test Pressure:Ensured sealing at 17.6 bar and 11 bar pressures.

Material List:

Body:

• Cast Iron: ASTM A126 CL.B/ DIN1691 GG25 for robust construction.
• Ductile Iron: ASTM A536 60-40-18/ DIN1693 GGG40 for enhanced durability.
• Carbon Steel: ASTM A216 WCB for superior strength.
• Stainless Steel: ASTM A351 CF8/CF8M for exceptional corrosion resistance.
• Bronze AL-Bronze: ASTM B148 C954 for excellent performance in diverse conditions.

Disc:

• Ductile Iron: ASTM A536 60-40-18/ DIN1693 GGG40 for dependable disc performance.
• Carbon Steel: ASTM A216 WCB for maximum strength and longevity.
• Stainless Steel: ASTM A351 CF8/CF8M for excellent corrosion resistance.
• Bronze AL-Bronze: ASTM B148 C954 for reliable and versatile disc performance.
• Coating Options: Nickel-plated, Epoxy, EPDM, VITON, Nylon

Robust Stem:

• Premium Stainless Steel: ASTM A182 304, 316, 410
• Durable Alloy: Monel K500

Resilient Seat:

• Elastomer Optimal Working Temperature
• EPDM -45ºC to 135ºC
• NBR -10ºC to 80ºC
• VITON -20ºC to 150ºC
• PTFE -10ºC to 150ºC

Sturdy Bushing: PTFE, Bronze

Reliable Pin:

• High-Quality Stainless Steel: ASTM A182 304, 316, 410
• Superior Alloy: Monel K500

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 its industrial park, featuring 38,000 square meters of modern construction.
Yuming Valve Group Co., Ltd. is a distinguished leader in industrial valve manufacturing, celebrated for outstanding product quality and premier customer service. Since its inception in 1972, our company has grown and transformed into a large-scale enterprise boasting over 700 talented employees, including more than 80 specialized technical professionals.

As experts in the research, production, testing, and sales of valves, our flagship product is the versatile ball valve. Additionally, our extensive product lineup includes safety valves, butterfly valves, gate valves, globe valves, check valves, and many more. Our valves are integral to a myriad of industries, including 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 tailored to our customers' needs. Maintaining superior quality is our highest priority, achieved through state-of-the-art manufacturing processes and stringent quality control systems. Our highly skilled technical team is always on hand to offer comprehensive support and exceptional after-sales service, ensuring seamless valve installation and operation.

Whether you require premium valve products or expert technical assistance, Yuming Valve Group is committed to being your reliable partner. We eagerly anticipate forming enduring partnerships and fulfilling all your valve requirements and solutions.

 

FAQ

 

Q: How long is the product warranty?
A: We offer a comprehensive 12-month warranty period. During this time, we provide replacement or repair services for any issues not attributed to human causes or misuse.

Q: Are wholesale discounts available?
A: Absolutely! We offer attractive wholesale discounts on large quantities of valves. Discounts typically depend on the purchase volume. For specific discount information, please contact our customer service or email us directly.

Q: Does it support customized valve needs?
A: Yes, we offer custom valve services tailored to your specific requirements. For detailed information on customization options, processes, and pricing, please consult our customer service department or contact us directly.

Q: How is your pricing?
A: Despite offering premium brand-name products, our prices are highly competitive and favorable. Our best pricing attracts customers globally, making our products a preferred choice worldwide.

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

Q: What is the order process?
A: First, we provide a detailed quotation. Upon price confirmation, we proceed by supplying samples for your approval. Once the samples are confirmed, we move forward with mass production.

Q: Can I request changes to packaging and transportation?
A: Yes, we can adapt the packaging and transportation methods to your specifications. However, any additional costs incurred must be borne by you.

Q: Is the delivery time fast?
A: Our delivery times are exceptionally fast! We pride ourselves on top-notch quality and quick order processing. With extensive inventory in sizes from DN15 to DN300 and flange standards like JIS, GB, ANSI, and DIN, we typically complete production within 4 to 5 days. Choose YUMING for no delays and satisfied clients. Our strengths include superior raw materials, appealing product design, secure packaging, rigorous testing, and, most importantly, prompt deliveries.

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

Q: Who should we contact for after-sales problems?
A: Please contact our official customer service team for any after-sales issues. They are here to resolve your problems efficiently.

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 the past 8 years.