Description
TECHNICAL FEATURES
| STANDARD FEATURES | TYPE F | TYPE X | COMMENTS |
| Size range | 2″FB up to 10″ RB | 10″ FB up to 60″ | Special sizes available on request |
| Pressure | ANSI 150 – 2500 | ANSI 150-2500 | |
| Top Entry body design | YES | YES | |
| Anti-static device | YES | YES | |
| Self relieving seats | YES | YES | |
| Double Piston Effect seats | YES(*) | YES(*) | |
| Primary metal to metal seal, secondary protection with o-ring | NO | YES | |
| Plastic polymer insert on seat sealing | YES | NO | X-optional features(*) |
| Lubricated stem | YES | YES | |
| Lubricated seat | NO | YES | F-optional features(*) |
| Double block and bleed | YES | YES | Open/closed position |
| Metal to metal seats | YES(*) | YES(*) | |
| Trunion mounted ball | YES | YES | |
| Full or Reduced bore | YES | YES | |
| Bi-directional | YES | YES | |
| Stem anti-blow outproof design | YES | YES | |
| Stem extension | YES(*) | YES(*) | |
| N.D.T verification on body casting (dye examination) | YES | YES | Other N.D.T verification as per Ultrasonic examination or X-Ray(*) |
| N.D.T verification on welding ends (dye penetrant) | YES | YES | According to ASME VIII Div.I |
| Minimum thickness ASME B16.34 | YES | YES | |
| RF or RTJ flanges to ASME B16.5 | YES | YES | Other flange design(*) |
| BW (butt-weld) ends to ASME B16.25 | YES | YES | Other code for BW design(*) |
| Bore and end-to-end dimensions to API 6D | YES | YES | Dimensions other than API 6D(*) |
| Manufactured in accordance with API spec 6D/ASME B16.34 | YES | YES | |
| Materials certification to EN10204 type 3.1B for pressure containing parts, ball, stem and seats | YES | YES | Type 3.1.c materials certification level (*) |
| Fire safe design to API 6FA(BS6755Pt2) | YES | YES | Other fire safe code (e.g. API607)(*) |
| Operation by gear, w/handwheel or actuator | YES | YES |
*AVAILABLE AT EXTRA COST
