CBF04-TF01
OEM | ODM | WDS
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PTFE Lined Flanged Butterfly Valves Abrasion Resistant | Superior Wear Protection Solution
Tianjin Worlds Valve Co., Ltd. – ISO 9001, CE, UKCA & WRAS Certified Manufacturer
CBF04-TF01--Operation and Maintenance Manual DOWMLOAD

1. Reinforced PTFE Lining System
Enhanced Thickness Design: 3-4mm PTFE lining in high-wear zones provides superior abrasion resistance against solid particles up to 40% concentration
Complete Media Isolation: Full-body PTFE encapsulation prevents metal contact with abrasive and corrosive media
Temperature Resilience: Maintains lining integrity from **-35℃to 200℃** in continuous abrasive service
2. Flanged Connection Reliability
Robust Flange Design: ANSI B16.5 Class 150# or DIN EN 1092-1 PN16 flanges with reinforced neck construction
Secure Mounting: Serrated flange faces prevent gasket blowout under pressure fluctuations and vibration
Maintenance Access: Bolted flange connection enables easy internal inspection and component replacement
3.Abrasion-Resistant Construction
Wear Zone Reinforcement: Additional PTFE thickness at disc edges and seat contact areas extends service life by 200% compared to standard lined valves
Particle Deflection Design: Optimized disc geometry redirects abrasive particles away from critical sealing surfaces
Surface Hardness: PTFE lining with filler reinforcement achieves Shore D 65 hardness for enhanced wear resistance
4. Advanced Sealing Technology
Zero Leakage Performance: PTFE-to-PTFE seating system achieves EN 12266-1 Class A bubble-tight shutoff
Abrasion-Compensating Design: Resilient PTFE seating maintains seal integrity as wear occurs
Fire-Safe Option: Available with API 607 compliant secondary metal seals for emergency shutdown

Size | DN50-DN250 | DN300-DN600 |
Max Working pressure | 16Bar | 10Bar |
Operating Temperature | -35℃~+200℃(depending on pressure, medium and material) | |
Suitable Medium | Flesh Water, Waste Water, sewage, seawater, air, vapor, food, oils, medicine, alkailis, salt, ect | |
Top Flange | ISO5211(according to the customer need) | |
Design Standard | EN593 BS5155 | |
Face to Face | DIN558-1 API609 DIN3202 F16 ISO5752 BS5155 | |
Testing Inspection | EN12266-1 ISO5208 API598 | |
Flange Accommodation | ASME B16.1 125LB ASME B16.5 150LB BS4504 DIN2501 ISO7005 EN1092 | |

Name | Material |
Body | Cast Iron Ductile Iron Carbon Steel Stainless Steel AL-Bronze |
Disc | Ductile Iron Carbon Steel Stainless Steel AL-Bronze |
Shaft | Stainless Steel Monel K500 |
Seat | BUNA NBR EPDM VITON PTFE TEFLON HEPDM Neoprene Hypalon Natural rubber |

Mining & Mineral Processing: Tailings slurry, ore processing, and concentrate handling
Chemical Processing: Abrasive chemical slurries, catalyst handling, and pigment production
Wastewater Treatment: Grit removal, sludge handling, and abrasive effluent control
Power Generation: FGD slurry systems, ash handling, and bottom ash transport
Pulp & Paper: Stock preparation, coating slurries, and recycled fiber processing
Steel & Metals: Scale slurry, descaling lines, and abrasive waste streams

Extended Service Life: Reinforced PTFE lining in critical wear areas provides 2-3 times longer lifespan in abrasive service
Dual Protection: Combined abrasion and corrosion resistance for the most challenging applications
Reduced Maintenance: Robust construction and wear-resistant design minimize downtime and replacement costs
Global Compliance: CE, UKCA, and WRAS certifications ensure acceptance in international markets
Custom Engineering: Available with special lining formulations, thickness profiles, and wear-resistant enhancements
Technical Expertise: Engineering support for abrasive application analysis and wear protection solutions
Specifically engineered for extreme abrasive and corrosive services, these PTFE lined flanged butterfly valves deliver unmatched wear protection and reliability in mining, chemical processing, and industrial applications where both abrasion and corrosion resistance are critical.
This article introduces a 10-inch PTFE lined lug butterfly valve featuring a ductile iron body, a PTFE seat, and a PTFE-encapsulated ductile iron disc–rated at Class 150. With full PTFE encapsulation ensuring zero metal contact and bubble-tight sealing, this valve is ideal for aggressive chemical, pharmaceutical, and semiconductor applications. As an LRQA-certified ISO 9001:2015 OEM/ODM manufacturer with over 19 years of export experience, Tianjin Worlds Valve Co., Ltd. offers fully customizable solutions to meet specific project requirements.
Double flanged butterfly valve for heavy-duty systems: ductile iron body, CF8M disc, vulcanized EPDM seat for zero leakage and metal isolation. Electric actuator (on-off/modulating with feedback), PN16, fully customizable. Certified ISO 9001, CE, UKCA, WRAS, ACS; 100% pressure tested with traceable certs. Factory direct, 15–40 days lead time.
Wafer butterfly valve with ductile iron body, CF8 disc, and EPDM seat. Reliable bubble-tight shut-off for water, HVAC, and industrial systems. OEM/ODM available.
This guide covers everything you need to know about lug butterfly valves—why they outperform wafer valves in dead-end service and isolated maintenance, how material selection (ductile iron, stainless steel, carbon steel) impacts performance, and key installation and maintenance best practices. Learn the lug vs wafer comparison, common selection mistakes to avoid, and how to choose the right body material, seat, and actuator for water treatment, chemical processing, oil & gas, and HVAC applications. Backed by ISO 9001 certification and full OEM customization with 19+ years of export experience.
This guide covers PTFE lined butterfly valve operation, components, and benefits of virgin PTFE with a 3‑4 mm thick liner (50% thicker than standard). The inert PTFE surface provides chemical resistance (pH 0‑14), purity, and bubble‑tight sealing from ‑40°C to 200°C. Applications include chemical, pharmaceutical, food, water, oil & gas, and semiconductor industries. It compares linings, offers a selection guide, and details quality tests (30KV spark, hydrostatic, traceability). From Tianjin Worlds Valve (19+ years), the article highlights virgin PTFE, thick liner, and certifications (ISO, CE, UKCA, etc.) ensuring reliable, low‑maintenance, cost‑effective control for aggressive and high‑purity fluids.
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