CBF04-TA04
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Teflon Lined Butterfly Valve with Extension Stem has many of the design features and benefits ,The PTFE powder we use is primary micropowder, Never use recycled materials. PTFE lined butterfly valve can be used in Heavy corrosive medium, strong acid ,strong basicity and so on.

Product Features:
1. PTFE Lined Butterfly Valve prevents corrosion and guarantees long service life.
2. Absolutely tight sealing with flow in either direction.
3. The valve body and disc are accurately machined which results in low operating torque and long service life and reliability.
4. Can be disassembled, can be installed at the end of pipe for lugged type butterfly valve.

Technical Parameters:
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 | |

Main Material:
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 |

Executive Standard:
Design Standard | EN 593 MSS SP67 API 609 BS 5155 |
Inspection & Test | API 598 ISO 5208 EN 12266-1 |
Flange Accommodation | ASME B 16.1 125LB ASME B 16.5 150LB BS 4504 PN10/16 DIN 2501 PN10/16 ISO 7005 PN10/16 EN 1092 PN10/16 JIS B 2220 10K |
Face to Face | ISO 5752 , DIN 558-1 , BS 5155 , API 609 , DIN3202 K1 |
Top Flange | ISO 5211(according to customer’s needs) |

Teflon Lined Butterfly Valve with Long valve neck offered by China Teflon Lined Butterfly Valve Factory provides an effective method of regulating corrosive and abrasive fluids. Their reliability, durability and efficiency make them ideal for a wide variety of industries.
This wafer butterfly valve features a C95400 aluminum bronze disc, ductile iron body, replaceable EPDM seat, and hand lever, available DN50-DN3000. The C95400 disc offers superior corrosion resistance in seawater and aggressive environments, while the ductile iron body provides high strength with epoxy coating protection. The replaceable EPDM seat enables field service without pipeline removal, reducing downtime and lifecycle costs. It delivers bubble-tight sealing for water, seawater, and mild chemicals from -20°C to +120°C, with bidirectional shut-off. Fully customizable materials, pressure ratings, and actuation. Manufactured by an ISO 9001 certified OEM supplier with CE, UKCA, WRAS, and ACS certifications available.
Tianjin Worlds Valve is a direct ISO 9001 butterfly valve manufacturer with 19+ years of experience. We offer wafer, lug, flanged, PTFE-lined and triple eccentric valves from DN50 to DN3000, exported to 50+ countries with full after-sales support.
This U-type butterfly valve from Tianjin Worlds Valve Co., Ltd. features an LCB (ASTM A352 Grade LCB) low-temperature carbon steel body, CF8 stainless steel disc, SS410 stem, and EPDM seat. Available DN50-DN2000, the LCB body is impact-tested at -46°C and operates from -46°C to +343°C, making it ideal for propane, liquid ammonia, ethylene, and other chilled fluid services. The U-type design provides automatic centering and superior sealing performance. EPDM seat delivers bubble-tight sealing from -20°C to +120°C. Fully customizable materials, pressure ratings, flange standards, and actuation. Manufactured by an ISO 9001 certified OEM supplier with CE, UKCA, WRAS, and ACS certifications available.
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This lug butterfly valve features a PTFE-encapsulated stainless steel disc and a PTFE seat, providing zero metal contact and exceptional chemical resistance across pH 0–14. The pneumatic actuator enables fast, remote on/off or modulating control with double-acting or spring-return options. The lug body allows dead‑end service at full rated pressure. Available DN50-DN900, PN10/PN16/Class 150, -35°C to +200°C. Ideal for aggressive chemicals, high-purity pharmaceuticals, and food processing. Fully customizable. Manufactured by Tianjin Worlds Valve Co., Ltd., an ISO 9001 certified OEM supplier.
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