Comprehensive Bolt Sizing
Covers mainstream specifications: M48, M24, M39, M45, M42
Compatible with global PHE brands: Alfa Laval, APV, Thermowave, GEA
Designed to meet diverse torque requirements and sealing standards across equipment models
Integrated Functional Components
(1) High-Performance Gaskets
Materials: Graphite spiral wound and metal serrated types
Withstands -50°C to 650°C and high-pressure differentials
(2) Anti-Loosening Nuts
Equipped with self-locking nylon inserts or all-metal double-nut structures
Ensures ≥90% preload retention, preventing vibration-induced loosening
(3) Locking & Guidance Systems
Precision-machined guide columns and bearing housing units
Enables accurate plate stacking alignment, improving assembly efficiency by 30%
(4) Customizable Bearing Housings
Stainless steel or galvanized carbon steel options
Built-in ball bearings to reduce friction, ideal for frequent maintenance
Performance Advantages
Carbon steel (Grade 4.8/8.8), stainless steel (A2-70/A4-80), alloy steel (B7/B8)
Optional anti-corrosion coatings for acid/chloride resistance
All components comply with ISO 9001 standards
6g/6H thread accuracy and HRC 22-32 surface hardness
Suitable for chemical processing, marine cooling, district heating systems
Aligns with ASME, DIN, GB, and other international standards
Service Commitment
2,000+ bolt kits in stock
Supports 24/7 emergency orders
Offers preload force calculations, torque curve analysis, assembly guidance
Optimizes sealing integrity and operational lifespan