CBF03-TL01
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Split-Shaft Pinless Lug Type Butterfly Valve | High-Integrity Flow Control for Demanding Industries
Tianjin Worlds Valve Co., Ltd. --- ISO 9001 Certified OEM Solutions
CBF03-TL01 - Operation and Maintenance Manualdownload

1. Split-Shaft Pinless Connection
Eliminated Shear Pins: Stainless steel shafts replace failure-prone pins, increasing torsional strength by 45% and preventing disc dislodgement during water hammer events.
2. Corrosion & Abrasion Defense
Body:You can choosethe ductile iron paiting 300µm fusion-bonded epoxy for acid/alkali resistance.
Disc: 316L SS or duplex 2205 with electropolished surface (Ra≤0.8µm) to reduce cavitation damage.
3. High-Performance Sealing
EPDM or PTFE Seat: Resilient EPDM for bubble-tight shutoff (-20°C to 120°C); optional PTFE for chemical resistance (pH 0-14).
4. Low-Torque Operation
ISO 5211 Top Flange: Direct-mount compatibility with pneumatic/electric actuators or manual levers.
5. Maintenance-Free Longevity
Self-lubricating RPTFE bushings and encapsulated bearings extend service life to 100,000+ cycles.

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 AWWA C504 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 |

Oil & Gas: Pipeline isolation in sour gas (H2S) environments.
Power Plants: Cooling water control in turbine feed systems with high-vibration resistance.
Chemical Processing: Sulfuric acid transfer with PTFE-lined split shafts.
Water Treatment: NSF/ANSI 61-certified EPDM seats for municipal potable water.
Pulp & Paper: Abrasion-resistant duplex discs for slurry handling.

1. Expertise in OEM/ODM Services
As a trusted Double flanged 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
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.

Discover high-quality Split-Shaft Pinless Lug Type Butterfly Valves from a trusted Butterfly Valve Manufacturer. ISO certified, customizable, and built for durability. Ready to enhance your operations with top-quality Pneumatic Operated Butterfly Valves? Contact us today for a free quote or to discuss your custom requirements!
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.
This lug butterfly valve features a C95400 aluminum bronze disc, a PTFE seat, a split body construction, and a hand lever. The aluminum bronze disc provides exceptional corrosion resistance in seawater, brackish water, and aggressive chemical environments. The PTFE seat offers chemical inertness, low friction, and a temperature range of approximately -35°C to +200°C. The two-piece body allows easy maintenance without pipeline removal. The lug design enables dead-end service at full rated pressure. Available DN50-DN1200, PN10/PN16/Class 150. Suitable for marine, chemical, desalination, and industrial applications. Manufactured by Tianjin Worlds Valve Co., Ltd., an ISO 9001 certified OEM supplier.
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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