SIZES AND PRESSURE CLASSES | ||||
SERVICE | ASME CL. 150-600 | ASME CL. 900 | ASME CL. 1500 | ASME CL. 2500 |
Standard | 2”-16” | 2”-16” | 2”-16” | 2”-16” |
Subsea (API 6DSS) | N/A | N/A | N/A | N/A |
Low temperature / cryogenic down to -196°C | N/A | N/A | N/A | N/A |
HIgh temperature <+500°C | N/A | N/A | N/A | N/A |
KEY FEATURES AND APPLICATIONS | |
› Full and reduced bore | › Firesafe |
› RF, WE | › Onshore, Offshore |
› Soft and metal seated design | › Flowlines |
› Oring and lipseal design | › Turrets (FPSO's) |
› SR, DPE, Dual seat design | › Above ground |
› CS, SS, Duplex, Superduplex, Inconel, Incoloy all types | › SDV |
› Manual and actuated | › Standard Temperature |
DESIGN FEATURES | |||
API 6D DESIGN AND CONSTRUCTION | STANDARD | DOUBLE BODY BARRIER | STANDARD |
SPECIAL FACE-TO-FACE DIMENSIONS (non API 6D) | STANDARD | TRIPLE STEM BARRIER | STANDARD |
INDEPENDENT STEM AND BALL | STANDARD | VENT PLUG | STANDARD |
FLOATING SEATS | STANDARD | BLEED VALVE | OPTIONAL |
SOFT SEAT INSERT | STANDARD | DRAIN PLUG | STANDARD |
PRIMARY METAL – SECONDARY SOFT SEAT | OPTIONAL | STEM INJECTION FITTING | STANDARD |
METAL-TO-METAL SEATS | OPTIONAL | SEAT INJECTION FITTING | OPTIONAL |
O-RING TYPE SEALS | STANDARD | SEAT POCKET OVERLAY | OPTIONAL |
POLYMERIC LIP-SEALS | OPTIONAL | SEAL AREAS OVERLAY | OPTIONAL |
SELF-RELIEVING SEATS (SR) | STANDARD | WETTED PARTS OVERLAY | OPTIONAL |
DOUBLE ISOLATION AND BLEED (DIB-1) (DOUBLE PISTON EFFECT) (DPE SEATS) | OPTIONAL | BODY INTERNAL LINING | OPTIONAL |
DOUBLE ISOLATION AND BLEED (DIB-2) (DUAL SEAT) (SR+DPE) | OPTIONAL | LOCKING DEVICE | OPTIONAL |
DOUBLE BLOCK & BLEED (DBB) | OPTIONAL | LIFTING LUGS/VALVE SUPPORT | STANDARD |
FULL OR REDUCED BORE | AS REQUESTED | ANTISTATIC DEVICE | STANDARD |
FLANGED ENDS / WELDED ENDS | AS REQUESTED | MANUAL OR ACTUATED OPERATION | AS REQUESTED |
TRANSITION PUPS FOR WELDED ENDS VALVES | OPTIONAL | FIRESAFE DESIGN | STANDARD |
ANTI BLOWOUT STEM | STANDARD | IN-LINE MAINTENANCE | NO |
TRUNNION MOUNTED | STANDARD | ON-SITE MAINTENANCE | YES |