CBF01-TA01
OEM | ODM | WDS
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Compact Pneumatic Wafer Butterfly Valve | C95400 Aluminum Bronze Disc | Limit Switch Equipped
Tianjin Worlds Valve Co., Ltd. – ISO 9001, CE, UKCA & WRAS Certified Manufacturer
CBF01-TA01-Operation and Maintenance Manual DOWNLOAD

1. C95400 Aluminum Bronze Disc for Superior Corrosion Resistance
Engineered for demanding media where standard materials fall short.
Exceptional Seawater Compatibility: C95400 (Aluminum Bronze) offers outstanding resistance to corrosion, pitting, and erosion in seawater, brackish water, and marine environments .
High Strength & Wear Resistance: The alloy provides excellent mechanical strength and resists galling, ensuring long service life in high-cycling applications .
Non-Sparking Properties: Ideal for potentially hazardous environments where spark-free operation is required.
2. Pneumatic Actuation for Fast, Reliable Automation
Designed for efficient remote control and system integration.
Quick Response: Pneumatic actuation enables rapid opening and closing, suitable for applications requiring frequent cycling or emergency shut-off .
Low Maintenance: Simple, robust design with minimal moving parts ensures reliable operation with minimal upkeep .
Versatile Control Options: Available in double-acting (fail-last) or spring-return (fail-safe) configurations to suit various safety requirements .
3. Integrated Limit Switch for Precise Position Feedback
Ensures safe, monitored operation in automated systems.
Remote Status Indication: The limit switch provides electrical signals confirming the valve's open or closed position, enabling integration with PLC, DCS, or SCADA control systems .
Enhanced Safety: Position feedback prevents operator error and ensures process integrity in automated systems .
Visual Indication: In addition to electrical feedback, the switch housing typically includes a visual position indicator for on-site verification .
4. Compact Wafer Design for Space-Constrained Installations
Ideal for small-bore applications where space is limited.
Lightweight & Compact: The wafer body installs between pipeline flanges without the need for additional flange connections, saving valuable space .
Easy Installation: Simple, through-bolt installation reduces labor time and costs .
Wide Size Range: Typically available in sizes from DN25 to DN200 (1" to 8"), perfectly suited for small-bore applications .
5. Versatile Material Compatibility
Tailored to match specific media requirements.
Seat Options: EPDM for water services; NBR for oil-bearing media; Viton for aggressive chemicals; PTFE for high-purity applications .
Body Material: Standard ductile iron with epoxy coating; stainless steel or other alloys available upon request .
Stem Material: Stainless steel (SS304, SS316) for reliable torque transmission .

Parameter | Specification |
Model | Wafer Butterfly Valve |
Sizes | DN50-DN1200 |
Pressure Rating | PN10/16/150LB/JIS10K |
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 |
Body | Ductile Iron,SS... |
Disc | C95400 Aluminum Bronze |
Seat | EPDM,NBR,FKM,PTFE... |
Stem | SS410/420/431... |

Specialized in Small-Bore Automated Valves: We possess deep expertise in manufacturing compact pneumatic butterfly valves with integrated position feedback, ensuring reliable performance in automated systems.
Material Expertise: Our knowledge of C95400 aluminum bronze enables us to deliver superior corrosion-resistant solutions for marine and chemical applications.
OEM/ODM Flexibility: Customize actuator type (double-acting or spring-return), limit switch brand, seat material, and body coatings to meet your exact specifications.
Certified Quality: ISO 9001 certified with CE, UKCA, and WRAS options available.
Global Export Experience: Serving clients in over 50 countries with reliable logistics and professional documentation.

Marine & Offshore: Seawater cooling, ballast systems, desalination pretreatment
Chemical Processing: Corrosive fluid handling, small-bore process lines
Water Treatment: Chemical dosing, sample lines, filter backwash
HVAC: Chilled water control, cooling tower isolation
Industrial Automation: Process control, remote isolation, safety interlock systems
The Pneumatic Wafer Butterfly Valve with C95400 Bronze Disc and Limit Switch from Tianjin Worlds Valve Co., Ltd. offers a compact, durable solution for automated flow control in corrosive environments. Its corrosion-resistant aluminum bronze disc, fast pneumatic actuation, and integrated position feedback make it ideal for marine, chemical, and industrial applications requiring reliable remote operation.
When your application demands a small-bore, corrosion-resistant butterfly valve with precise automation—choose Tianjin Worlds Valve Co., Ltd. Contact us today for technical specifications, actuator sizing, or a customized quotation.
This product introduces a wafer type PTFE butterfly valve with ductile iron body, SS316 mirror-polished disc, and PTFE seat. It offers excellent chemical resistance for strong acids, alkalis, solvents, and oxidizing media across DN50-DN600, pressure up to 16 bar, and temperature -35°C to 200°C. Fully customizable and ISO 5211 ready for actuator mounting.
This article introduces the double-offset flanged butterfly valve from Tianjin Worlds Valve Co., Ltd. The valve features DN400 size, Class 150 pressure rating, ductile iron body and disc, flanged end connections, and an ISO 5211 top flange for direct actuator mounting. It highlights the double-offset design for reduced friction and improved sealing, while emphasizing that specific performance data depends on seat material, coating, and operating conditions. The company operates an ISO 9001 certified manufacturing system and offers test reports, material certificates, and applicable certifications upon request.
The Two-Piece U Type Butterfly Valve with PTFE Seat and PFA-Wrapped CF8M Disc from Tianjin Worlds Valve Co., Ltd. represents a premium solution for severe corrosion applications where reliability, purity, and maintainability are critical. Its advanced material combination—PFA encapsulation over CF8M disc, PTFE seat, and all-CF8M body—provides exceptional protection against the most aggressive chemicals, while the two-piece construction simplifies maintenance and reduces downtime.
This guide explores butterfly valves in hydroelectric power plants, covering their role as turbine main inlet valves, penstock protection valves, and emergency shut-off devices. It highlights key design features—double-eccentric configuration, biplane disc, dry shaft, and replaceable seats—that deliver low operating torque, minimal head loss, and corrosion protection. Selection criteria include diameter (DN500 to DN5000+), pressure class (PN2.5 to PN25), flow velocity, actuation, and sealing type. Tianjin Worlds Valve provides ISO 9001 certified, custom-engineered butterfly valves with CE-PED, UKCA certification and proven global experience across 50+ countries.
This technical guide examines butterfly valve applications in commercial and industrial HVAC systems, focusing on chilled water distribution, condenser water loops, cooling tower bypass, and heating water isolation. The article covers material selection (epoxy-coated ductile iron, EPDM seats, stainless steel discs), actuation options (manual, electric, pneumatic with BMS integration). Tianjin Worlds Valve Co., Ltd. offers ISO 9001 certified, competitively priced butterfly valves engineered for HVAC service, with successful project delivery to over 50 countries worldwide.
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