CBF03-TA71
OEM|ODM
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Industrial Butterfly Valves | China OEM Valve Supplier
Tianjin Worlds Valve Co., Ltd. – ISO 9001, CE, UKCA & WRAS Certified Manufacturer
CBF03-TA71-Operation and Maintenance Manual DOWNLOAD

1. Ductile Iron Body Construction
Superior Strength: EN-GJS-500-7 ductile iron provides excellent impact resistance and longevity
Corrosion Protection: 250μm epoxy coating standard (300-400μm optional) for harsh environments
Cost-Effective: Delivers cast steel performance at a competitive price point
2. CF8M Stainless Steel Disc
Corrosion Resistance: 316 stainless steel composition withstands corrosive media and atmospheric exposure
Mechanical Durability: Maintains structural integrity under pressure and temperature variations
Precision Engineering: Optimized disc profile ensures smooth operation and perfect seating
3. EPDM Seat Sealing Performance
Bubble-Tight Shutoff: Achieves zero leakage per EN 12266-1 Class A standards
Temperature Flexibility: Suitable for applications from -20°C to 120°C
Media Compatibility: Excellent for water, mild chemicals, and industrial fluids
4. Hand Lever Operation
Quick 90°Operation: Enables rapid open/close control with visual position indication
Low Operating Torque: Optimized design reduces required effort by 30%
Position Locking: Integrated locking holes secure valve in fully open or closed positions
5. Wafer Type Design
Space Saving: Compact construction reduces installation space requirements by 40%
Easy Installation: Simple insertion between ANSI/DIN flanges without additional hardware
Weight Reduction: 35% lighter than lug-type valves of similar size

Parameter | Specification |
Model | CBF03-TA71 |
Sizes | DN50-DN300 |
Pressure Class | PN6/10/16/150LB/JIS10K/AS “D”/ “E” |
Design | EN593 BS5155 EN1092 ISO5211 |
Testing | ISO5208 EN12266-1 |
TOP Flange | ISO5211 (according to customer’s needs) |
Face to Face | EN558-1 DIN3202 ISO5752 BS5155 |
Standard | ASME B16.34 |
Body | Ductile Iron |
Disc | CF8M |
Seat | EPDM |
Stem | SS431 |

Customization Support: Modified dimensions, coatings, branding, and packaging options
Quality Assurance: ISO 9001 certified manufacturing with complete material traceability
Competitive Pricing: Direct factory pricing with no intermediary margins
Global Compliance: CE, UKCA, and WRAS certifications for international market access
Technical Expertise: Engineering support for product selection and application guidance
Reliable Supply: Efficient production planning and logistics for on-time delivery

Water Treatment Systems: Distribution networks, filtration units, and pumping stations
HVAC Services: Chilled water circuits, cooling towers, and air handling systems
Industrial Processing: Cooling water lines, process fluid control, and utility services
Fire Protection: Sprinkler systems and hydrant supply lines
Building Services: Plumbing systems and mechanical equipment rooms
General Industry: Various fluid handling applications requiring reliable manual control
As an experienced China OEM valve supplier, we provide high-quality industrial butterfly valves featuring ductile iron bodies, CF8M stainless steel discs, EPDM seats, and hand lever operation for water treatment, HVAC, industrial processing, and general fluid control applications worldwide.
This article provides a material selection guide for 18-inch wafer butterfly valves used in water and wastewater systems. It explains why a ductile iron body, CF8M stainless steel disc, and EPDM seat form a balanced configuration for large-diameter water service. Key topics include material properties, installation best practices, common pitfalls, and maintenance tips. The article concludes with guidance on matching materials to specific applications and introduces Tianjin Worlds Valve as an OEM manufacturer capable of customizing valves to project requirements.
This article explains how OEM and ODM cooperation works with a Chinese valve supplier, focusing on customizable butterfly valves. It covers the differences between OEM and ODM, what can be customized (materials, dimensions, actuation, testing, branding), the step-by-step process, required buyer information, and the importance of standards and documentation. Tianjin Worlds Valve Co., Ltd. is presented as a direct OEM/ODM manufacturer with ISO 9001 (LRQA) certification, offering wafer, lug, flanged, U-type, PTFE/PFA-lined butterfly valves, customizable materials, and full documentation. The article concludes that successful OEM/ODM sourcing depends on an approved specification that can be reproduced consistently.
This article explores key growth regions and emerging opportunities for butterfly valves, covering MENA (desalination and water security), North America (infrastructure renewal), Europe (water resilience and compliance), and Asia-Pacific (urban and industrial expansion). It identifies three high-potential emerging applications–water reuse and desalination, district cooling and automated HVAC, and chemical/corrosive service – and explains how regional trends translate into real valve orders. The article also highlights Tianjin Worlds Valve Co., Ltd.'s OEM/ODM capabilities, including WRAS-approved potable water valves, PTFE/PFA-lined valves for corrosive media, and full customization across sizes, materials, and international standards. As an LRQA-certified ISO 9001:2015 manufacturer with over 19 years of export experience, the company supports B2B buyers in matching regional demand with the right technical specifications.
This article explains why a grooved end butterfly valve with hand lever, ductile iron body, and EPDM seat is a practical choice for water distribution, HVAC, and light industrial systems. It covers the benefits of grooved connections under AWWA C606, the simplicity of hand lever operation, and why DI and EPDM suit water service. Installation best practices, maintenance tips, and common pitfalls are included. The article concludes with an introduction to Tianjin Worlds Valve as an OEM manufacturer capable of customizing valves to any size or specification.
This article introduces double flanged butterfly valves – the heaviest, most rigid butterfly valve design with integral flanges on both ends for bolted pipeline connections. Self-supporting and capable of handling high pressures (PN16–PN40) and large diameters (DN50–DN2000+), these valves are ideal for water supply, wastewater, chemical processing, power generation, and oil and gas applications. As an LRQA-certified ISO 9001:2015 OEM/ODM manufacturer with over 15 years of export experience, Tianjin Worlds Valve Co., Ltd. offers fully customizable solutions to meet specific project requirements.
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