SIZES AND PRESSURE CLASSES | ||||
SERVICE | ASME CL. 150-600 | ASME CL. 900 | ASME CL. 1500 | ASME CL. 2500 |
Standard (above and below ground) | 1”-60” | 1”-48” | 1”-36” | 1”-20” |
Subsea (API 6DSS) | 1”-48” | 1”-36” | 1”-36” | 1”-20” |
Low temperature / cryogenic down to -196°C | 1”-24” | 1”-24” | 1”-20” | 1”-12” |
HIgh temperature < +500°C | 1”-20” | 1”-16” | 1”-12” | 1”-8” |
KEY FEATURES AND APPLICATIONS | |
› Full and reduced bore | › API 6D/6DSS |
› RF, RTJ, WE, Pup, Hub ends | › Firesafe |
› Soft and metal seated design | › Oshore, Offshore, Subsea |
› Oring and lipseal design | › Above ground, underground |
› SR, DPE, Dual seat design | › Low and high temperature |
› CS, SS, Duplex, Superduplex, Inconel, Incoloy all types | › ESD |
› Manual and actuated | › HIPPS |
DESIGN FEATURES | |||
API 6D DESIGN AND CONSTRUCTION | STANDARD | DOUBLE BODY BARRIER | STANDARD |
FACE-TO-FACE DIMENSIONS TO API 6D AND ANSI B16.10 | 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 | EXTENDED STEM FOR UNDERGROUND INSTALLATION | OPTIONAL |
DOUBLE BLOCK & BLEED (DBB) | OPTIONAL | EXTENDED BONNET FOR LOW OR HIGH TEMPERATURE | OPTIONAL |
FULL OR REDUCED BORE | AS REQUESTED | LOCKING DEVICE | OPTIONAL |
FLANGED ENDS / WELDED ENDS / HUB ENDS | AS REQUESTED | LIFTING LUGS/VALVE SUPPORT | STANDARD |
TRANSITION PUPS FOR WELDED ENDS VALVES | OPTIONAL | MANUAL OR ACTUATED OPERATION | AS REQUESTED |
ANTISTATIC DEVICE | STANDARD | FIRESAFE DESIGN | STANDARD |
ANTI BLOWOUT STEM | STANDARD | IN-LINE MAINTENANCE | NO |
TRUNNION MOUNTED | STANDARD | ON-SITE MAINTENANCE | YES |