Special Services and Applications
API 6D – API 6DSS – API 6A
Our valves are suitable for special services and applications such as subsea, low and high temperature, severe service, sour service, and others.
SUBSEA
BALL AND GATE VALVES – API 6DSS
- ADDITIONAL ENVIRONMENTAL SEALING AT BODY TO CLOSURE AND BODY TO STEM.CRA OVERLAY ON SEALING OR PROCESS WETTED AREAS.
- ROV INTERFACE TO API 17H/ISO 13628-8 (OPTIONAL).
- MORE STRINGENT REQUIREMENTS FOR MATERIAL SELECTION.
- ADVANCED INSPECTION AND TESTING REQUIREMENTS (I.E. HYPERBARIC TESTING, CYCLING).AS PER API 6DSS STANDARD
AVAILABLE IN TOP-ENTRY, SIDE-ENTRY, FULLY-WELDED, TWIN BALL VALVE DESIGN & THROUGH-CONDUIT GATE VALVE DESIGN
LOW TEMPERATURE BALL VALVES TO -196°C (BS6364)
- EXTENDED BONNET WITH VAPOR SPACE TO MAINTAIN THE STE PACKING WITHIN THE SUITABLE TEMPERATURE RANGE
- LOW FRICTION COATING ON SEATING FOR SMOOTHER OPERATION
- FUGITIVE EMISSION (FE) COMPLIANCE
- MORE STRINGENT REQUIREMENTS FOR MATERIAL SELECTION
- SUPPLEMENTARY INSPECTION AND TESTING (I.E. FE LOW-TEMPERATURE TESTING)
AVAILABLE
IN TOP-ENTRY, SIDE-ENTRY, FULLY-WELDED AND TWIN BALL DESIGN
METAL-SEATED BALL VALVES (API 6D – API 6DSS)
SUITABLE FOR SEVERE SERVICE (DIRTY, ABRASIVE),
- HIGH TEMPERATURE (<+500°C)
- LOW MAINTENANCE (SUBSEA, UNDERGROUND)
- HIGH DEMAND (FREQUENT CYCLING)
- HARD FACING ON BALL AND SEATS (ENP, TCC, CCC)
- HIGHER TORQUE
- MORE ROBUST TOP WORK DESIGN
- MORE POWERFUL ACTUATOR
- LEAKAGE RATES TO API 598 OR ISO 5208:1993, RATES A, B
AVAILABLE IN TOP-ENTRY, SIDE-ENTRY, AND TWIN BALL DESIGN.
NOT AVAILABLE IN FULLY-WELDED DESIGN
CLADDED
BALL VALVES (API 6D – API 6DSS)
SUITABLE FOR SOUR SERVICE, HARSH AND HOSTILE ENVIRONMENT,
- LOW MAINTENANCE
- CORROSION RESISTANT,
- LONG LIFE,
- HIGH RELIABILITY
OVERLAY
IN INCONEL 625 OR STAINLESS STEEL, MOSTLY APPLIED ON CARBON STEEL BASE MATERIAL
CLADDING OPTIONS:
- DYNAMIC SEAL AREAS,
- ALL SEALING AREAS,
- ALL WETTED AREAS (FULLY
CLADDED)
- FINAL OVERLAY
- THICKNESS OF MIN. 3 MM.
AVAILABLE IN TOP-ENTRY, SIDE-ENTRY, FULLY-WELDED AND TWIN BALL DESIGN VARIANTS
- METAL SEAT BALL
- HPHT VALVES
- HIGH CYCLING VALVES
- ABRASIVE – CORROSIVE AND CAUSTIC MEDIA
- TIGHT SHUTOFF
- LOW-PRESSURE DROP
- CRYOGENIC SERVICE
- SEGMENTED BALL VALVES
- THROUGH CONDUIT GATE
- DUAL EXPANDING GATE
