SIZES AND PRESSURE CLASSES | ||||
SERVICE | ASME CL. 150-600 | ASME CL. 900 | ASME CL. 1500 | ASME CL. 2500 |
Standard | 6”- 60” | upon request | N/A | N/A |
Low temp. down to -50°C | N/A | N/A | N/A | N/A |
Subsea | N/A | N/A | N/A | N/A |
Underground | 6”- 60” | upon request | N/A | N/A |
High temp. < +500°C | N/A | N/A | N/A | N/A |
KEY FEATURES AND APPLICATIONS | |
› Full and reduced bore | › Manual and actuated |
› RF, RTJ, WE, Pup, Hub ends | › Firesafe |
› Soft and metal seated design | › Onshore |
› Oring design | › Above ground, underground |
› Self-Relieving and Double Barrier | › API 6D |
› Carbon Steel body |
DESIGN FEATURES | |||
API 6D DESIGN AND CONSTRUCTION | STANDARD | DRAIN PLUG | STANDARD |
FACE-TO-FACE DIMENSIONS TO API 6D AND ASME B16.10 | STANDARD | STEM INJECTION FITTING | STANDARD |
INDEPENDENT STEM AND OBTURATOR (SLAB) | STANDARD | SEAT INJECTION FITTING | OPTIONAL |
FLOATING SEATS | STANDARD | SEAT POCKET OVERLAY | OPTIONAL |
PRIMARY METAL SECONDARY SOFT | STANDARD | SEAL AREAS OVERLAY | OPTIONAL |
METAL-TO-METAL SEATS | OPTIONAL | WETTED PARTS OVERLAY | N/A |
O-RING TYPE SEALS | STANDARD | LIFTING LUGS/VALVE SUPPORT | STANDARD |
POLYMERIC LIP-SEALS | N/A | MANUAL OR ACTUATED OPERATION | AS REQUESTED |
SELF-RELIEVING SEATS | STANDARD | FIRESAFE DESIGN | STANDARD |
FULL OR REDUCED BORE | AS REQUESTED | NORMAL ACTING | STANDARD |
FLANGED ENDS / WELDED ENDS / HUB ENDS | AS REQUESTED | REVERSE ACTING | OPTIONAL |
TRANSITION PUPS FOR WELDED ENDS VALVES | OPTIONAL | RISING STEM DESIGN | STANDARD |
STEM BACKSEAT (API 6D) | OPTIONAL | NON-RISING STEM DESIGN | N/A |
DOUBLE BODY BARRIER | STANDARD | GATE SKIRT | N/A |
TRIPLE STEM BARRIER | STANDARD | IN-LINE MAINTENANCE | YES |
VENT PLUG | STANDARD | ON-SITE DISASSEMBLY FOR REPAIRS AND MAINTENANCE | YES |
BLEED VALVE | OPTIONAL |