| SPECIFICATIONS | |
|---|---|
| VALVE SIZES | 12" TO 320" |
| CLASS RATINGS | CLASS 125 TO 300, PN 6 TO PN 25 |
| END CONNECTIONS | WAFER & DOUBLE FLANGED (FF, RF) |
| PORT TYPE | FULL |
| TYPE OF DESIGN | DOUBLE ECCENTRIC |
| TYPE OF DISC | SLAB TYPE OR LATTICE TYPE DISC |
| OPERATOR | MANUAL BY COUNTER WEIGHT, ELECTRICAL & HYDRAULIC ACTUATORS |
| OPERATING SYSTEM | THE OPERATING SYSTEM INCLUDES 1 OR 2 HYDRAULIC CYLINDERS BY PERFORMING ANY OF THE FOLLOWING OPTIONS. 1. SINGLE ACTION : OPENING BY PRESSURIZED OIL, CLOSING BY COUNTER WEIGHT 2. DOUBLE ACTION : OPENING & CLOSING BY PRESSURIZED OIL & COUNTER WEIGHT |
| ACCESSORIES | DISMANTLING JOINT, HYDRAULIC POWER PACK, BYPASS SYSTEM, UPSTREAM CONNECTION PIPE, BYPASS SYSTEM, ORIGINAL SPARE PARTS, HYDRAULIC & ACCESSORIES / CONTROL SYSTEM, PROXIMITY TYPE LIMIT SWITCHES FOR OPEN AND CLOSE POSITIONS, SERVO MOTOR, BYPASS / VENTING SYSTEM, FLANGE ADAPTER |
| SPECIAL REQUIREMENTS | DISC LOCKING ARRANGEMENT, OBTURATOR POSITION INDICATOR, SPECIAL FUSION BONDED EPOXY COATING FOR WATER / SOUR SERVICE, OPTIONAL AIR RELEASE VALVE SYSTEM, OIL PUMP UNIT (OPU) SHALL BE SUPPLIED ON REQUEST, PLC BASED CONTROL / FIELD ADJUSTMENT, CONTROLLED TRAVEL OF DISC / DOOR FOR FLOW REGULATION, SCADA COMPATIBLE CONTROLS, ACCUMULATOR FOR LIMITED VALVE OPERATION IN THE EVENT OF HYDRAULIC FAILURE, VALVE CLOSURE IN THE EVENT OF TURBINE RUNAWAY / HIGH VELOCITY, ALARM, ANY OTHER CUSTOM BUILT FEATURES UPON REQUEST. |
| STANDARD | REFERENCE |
|---|---|
| DESIGN | IS 7326 PART-1, IS13095, AWWA C504, BS 5155 (EN 593), ASME SECTION VIII, ASME B16.34 |
| FACE TO FACE | IS 13095, AWWA C504, EN 558, MANUFACTURING STANDARD |
| END CONNECTION | ASME B16.5, ASME B16.47 SER - A / B, BS EN 1092 1 / 2, ISO 7005, ASME B16.42, ASME B16.24, ASME B16.1, BS 10 TABLE D / E & F, IS 6392 |
| TESTING | IS 7326 PART-1, IS 13095, API 598, ISO 5208, BS 6755 PART 1 & 2 |
| PT RATING | ASME B16.34, API 598 |
| MATERIAL OF CONSTRUCTION | |
|---|---|
| BODY | CAST IRON, DUCTILE IRON, CAST CARBON STEEL, FABRICATED CARBON STEEL, STANLESS STEEL, DUPLEX / SUPER DUPLEX STAINLESS STEEL, HIGH NICKEL ALLOYS, OTHER SPECIAL MATERIALS UPON REQUEST |
| SHUTTER / DISC & SHAFT | CAST IRON, DUCTILE IRON, CAST CARBON STEEL, FABRICATED CARBON STEEL, STANLESS STEEL, DUPLEX / SUPER DUPLEX STAINLESS STEEL, HIGH NICKEL ALLOYS, OTHER SPECIAL MATERIALS UPON REQUEST |
| MAIN RUBBER SEAL | NBR OR EPDM |
| SECONDARY METAL SEAL | INFLATED RUBBER SEAL (OPTIONAL), SS316L |
| BEARING | MAINTENANCE FREE SLIDE BEARINGS, SELF LUBRICATING BEARINGS |
| FASTENERS | CARBON STEEL, HIGH TENSILE STEEL, STAINLESS STEEL, OTHER SPECIAL MATERIALS |
