KROMBACH® TUFSEAT Severe Service Ball Valves

The Severe Service Series Krombach® Metal Seated Ball Valves offer critical safety and performance benefits for refining, petrochemical, and other demanding process applications. Our modular valves are designed to withstand extreme temperatures, pressures, solids/abrasion and high cycles.

Features And Benefits

  • INTERCHANGEABLE BALL AND SEAT DESIGN: The Krombach® Metal Seated Ball Valves offer an innovative interchangeable ball and seat design that ELIMINATES THE NEED FOR MATCH LAPPING to produce better than class VI shutoff.
  • LONGER LASTING VALVE: Increased valve lifetime, using ADVANCED FINISHES ON CRITICAL SURFACES and tailoring coatings and seat designs for each application.
  • STANDARD BI-DIRECTIONAL SEALING: Protects equipment from internal back pressure and processes contamination, also RESOLVES SAFETY CONCERNS associated with valve installation.

Technical Details

DESIGN FEATURES

  • Special Lapping Procedure ensures Precise Roundness
  • Interchangeable Ball and Seats
  • FK-Polygon Profile ensures Most Effective Torque Transmission
  • Perfect mechanical lapping for zero leakage (better than class VI shutoff)

MATERIALS OF CONSTRUCTION

  • 1.0619, 1.4581, 1.4571, 1.0460, Hastelloy C276; Hastelloy C2000, all other special materials A216 Gr. WCB; A105; A182 Gr. F316 (1.4301); A182 Gr. F316 Ti (1.4571); Hastelloy C-276; Hastelloy C2000, etc.

SIZE RANGE

  • ½“ – 16“

PRESSURE RATINGS

  • Class 150 – 4500

BODY CONFIGURATION

  • Cast body material

Applications

  • Phosegene / Isocyonite Applications in MDI, PMDI, EDC/VCM
  • Hydrocracking, Reforming and Catalytic Applications in Refining (FCCU / CCR)
  • Hydrogenation
  • Coal Gasification
  • Delayed Coking
  • Mole Sieve (Gas processing and dehydration)
  • Slurry Services
  • Cryogenic Applications
  • Polysilicon

Certificates


  • Better than class VI seat leakage (zero seat leakage)
  • TA-Luft, and ISO 15848-1 or API 641 available for Fugitive emisions compliance and API 607 fire tested
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