| SPECIFICATIONS | |
|---|---|
| VALVE SIZES | 6" TO 250" |
| CLASS RATINGS | CLASS 125 TO 300, PN 6 TO PN 25 |
| END CONNECTIONS | WAFER, LUG & DOUBLE FLANGED (FF, RF) |
| PORT TYPE | FULL |
| TYPE OF DESIGN | DOUBLE ECCENTRIC |
| TYPE OF DISC | SLAB TYPE OR LATTICE TYPE DISC |
| OPERATOR | MANUAL, PNEUMATIC, HYDRAULIC, ELECTRICAL, ELECTRO-PNEUMATIC, ELECTRO-HYDRAULIC, ELECTRO-MECHANICAL 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 OR PENSTOCK'S WATER 3. DOUBLE ACTION : OPENING BY PRESSURIZED OIL AND CLOSING BY PENSTOCK'S WATER |
| ACCESSORIES | DISMANTLING JOINT, HYDRAULIC POWER PACK, BYPASS SYSTEM, UPSTREAM CONNECTION PIPE, BYPASS SYSTEM, ELECTRICAL CABINET, ORIGINAL SPARE PARTS, HYDRAULIC & PNEUMATIC ACCESSORIES / CONTROL SYSTEM, PROXIMITY TYPE LIMIT SWITCHES FOR OPEN AND CLOSE POSITIONS, SERVO MOTOR, BYPASS / VENTING SYSTEM, FLANGE ADAPTER |
| SPECIAL REQUIREMENTS | DISC LOCKING ARRANGEMENT, OPTURATOR 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 WHEN VALVES ARE NOT OPERATED BY TURBINE GOVERNER OIL PRESSURE. |
| STANDARD | REFERENCE |
|---|---|
| DESIGN | IS 7326 PART-1, API 609 CAT - B, AWWA C504, EN 593, ASME SECTION VIII, ASME B16.34 |
| FACE TO FACE | ASME B16.10, API 609 CAT-B, 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, 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 |
