CBF04-TL01
OEM|ODM
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1. PTFE Full Lining for Superior Chemical Resistance
- The PTFE (Polytetrafluoroethylene) full lining provides exceptional resistance to corrosive chemicals, acids, and solvents, ensuring long-term reliability in aggressive media.
- Ideal for applications requiring strict hygiene and contamination-free operation.
2. Lug Type Design for Easy Installation
- The lug type design allows for easy installation and removal without disrupting the entire pipeline, making it ideal for systems requiring frequent maintenance.
- Compatible with ANSI, DIN, JIS, and other international flange standards.
3. Bubble-Tight Sealing Performance
- Precision-engineered disc and seat design ensures zero leakage, even under high-pressure conditions.
- Resilient EPDM or FKM seats enhance sealing efficiency and longevity.
4. Lightweight Yet Durable Construction
- Stainless steel or ductile iron body ensures durability, while the compact design minimizes weight and space requirements.
- Epoxy coating or electropolishing options provide additional corrosion protection.
5. Certified Quality
- Compliant with ISO 9001, API 609, and CE, WRAS, UKCA, ACS standards, ensuring global acceptance.
- Rigorous quality control processes, including pressure testing and material inspection.

1. Expertise in OEM/ODM Services
As a trusted PTFE Lined Butterfly Valve Factory, we offer customized solutions tailored to your specific requirements. From design to delivery, we ensure seamless execution.
2. Global Reach with Local Support
With a presence in over 50 countries, we provide timely delivery and dedicated customer support worldwide.
3. Competitive Pricing
Our efficient manufacturing processes and economies of scale enable us to offer high-quality valves at competitive prices.
4. Comprehensive After-Sales Service
We have a professional technical team that provides technical support, installation guidance, and maintenance services.

Size | DN50-DN150 | DN50-DN900 |
Working pressure | 16Bar | 10Bar |
Shell | 24Bar | 15Bar |
Seal | 18Bar | 11Bar |
Operating Temperature | -20℃~+180℃ | |
Operating Environment | Ballast and bilge system Chemical processing Desalination plants Drilling rigs Drinking water Dry powder Food and beverage Gas plants HAVC Mining industry Paper industry Sand handling Seawater Sugar industry Thermo technical water treatment Waste water | |
Driving method | Hand Lever Worm Gear Electric Pneumatic | |

Name | Material |
Body | Cast Iron Ductile Iron Carbon Steel Stainless Steel AL-Bronze |
Disc | PTFE Ductile Iron Carbon Steel Stainless Steel AL-Bronze |
Shaft | Stainless Steel Monel K500 |
Seat | PTFE |

Design Standard | EN 593 , MSS SP67 API 609 BS5155 |
Inspection & Test | API 598 ISO 5208 EN 12266 |
End Standard | ANSI B16.1 CL. 125LB & B16.5 CL. 150LB AS 2129 Table D & E BS 10 Table D & E DIN 2501 PN6, PN10 & PN16 EN 1092 PN6, PN10 & PN16 ISO 2531 PN6, PN10 & PN16 ISO 7005 PN6, PN10 & PN16 KS B 1511 / JIS B 2210 5K & 10K MSS SP44 CL. 150LB AWWA C207 SABS 1123 Table 1000/3 & Table 1600/3 |
Face to Face | ISO 5752 , EN 558 , MSS SP67 and API 609 DIN3202 |
Top Flange | ISO 5211(according customer’s needs) |

Discover high-quality PTFE Full Lined Lug Type Butterfly Valves from a trusted manufacturer. ISO & FDA certified, corrosion-resistant, and built for demanding industries. Request a quote now!
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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