Hard Back Seat SS Wafer Butterfly Valve with Polishing Disc | Metal-Seated High-Temperature Solution

Introduction：

Hard Back Seat SS Wafer Butterfly Valve with Polishing Disc | Metal-Seated High-Temperature Solution  

Tianjin Worlds Valve Co., Ltd. – Your Trusted ISO 9001 Certified Manufacturing Partner

CBF02-TA01-Operation and Maintenance Manual DOWNLOAD

Technical Features & Advantages:

1. Precision Polished Disc Surface

• Mirror Finish: Ra ≤ 0.4μm surface finish minimizes friction and prevents particle adhesion

• Enhanced Durability:  hard-facing on disc edge for abrasion resistance

• Corrosion Resistance: 316L/316SS disc with optional super duplex 2507 for chloride environments

2. Wafer Space-Saving Design

• Compact Construction: 40% lighter than lug-type valves with identical pressure rating

• Easy Installation: Fits between ANSI B16.5 or DIN EN 1092-1 flanges

• Cost Efficiency: Reduced material and installation costs

3. Operational Excellence

• Long Service Life: 100,000+ cycles in abrasive service conditions

• Multiple Actuation Options: Compatible with manual lever, gear operator, or ISO 5211 standard actuators.

• Visual Position Indication: Clear open/close status for operational safety and convenience.

4. SS Valve Body Advantages

• Superior Corrosion Resistance：SS valve bodies (typically 304/316 stainless steel) demonstrate exceptional resistance to chemical corrosion, oxidation, and pitting, particularly in chloride-rich environments. This extends valve service life by 3-5× compared to carbon steel in aggressive media like seawater, acids, and chemical processing fluids, while eliminating external coating requirements.

• Hygienic & Low Maintenance：With electropolishing capability (Ra≤0.8μm) and non-porous surfaces, SS bodies prevent bacterial growth and particle adhesion, meeting FDA/USP Class VI standards for pharmaceutical and food applications. The material's inherent durability eliminates corrosion-related maintenance while enabling full CIP/SIP cleaning compatibility.

5. Quality Assurance & Compliance

• ISO 9001 Certified Manufacturing: Ensures consistent quality control throughout production process

• International Certifications: CE, UKCA, and WRAS approvals guarantee compliance with global market requirements

• Material Traceability: Full documentation and material certifications available for quality verification

Standard:

Industry Applications  

• Power Generation: Steam lines, turbine bypass, and boiler feed systems

• Oil & Gas: Pipeline isolation, wellhead control, and refinery processing

• Chemical Processing: High-temperature reactors, catalyst handling, and abrasive slurry

• Petrochemical: Ethylene cracking furnaces, reformer units, and hydroprocessing

• Metallurgical: Hot air/gas handling, furnace systems, and dust collection

• Marine: Engine room ventilation, exhaust systems, and fire safety

Competitive Advantages

• Extreme Temperature Capability: Reliable performance from cryogenic to high-temperature services  

• Abrasion Resistance: Hard-faced seating surfaces withstand particulate-laden media  

• Zero Maintenance: Permanent metal seats eliminate replacement needs  

• Fire Safety: Certified for emergency shutdown in hydrocarbon fire scenarios  

• Global Compliance: CE, UKCA, and API certifications for international projects  

• Custom Engineering: Special materials, coatings, and trim configurations available

Conclusion:

Specifically engineered for extreme temperatures and abrasive services, this hard back seat SS wafer butterfly valve with polishing disc delivers unmatched reliability where soft-seated valves would fail.