SPECIFICATIONS | |
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VALVE SIZES | 20" TO 250" |
CLASS RATINGS | CLASS 150 TO 1500, PN 20 TO PN 250 DEPENDING ON NOMINAL DIAMETER |
END CONNECTIONS | FLANGED (FF, RF & RTJ), BUTTWELD ENDS |
PORT TYPE | FULL OR REDUCED |
TYPE OF DESIGN | SPLIT BODY, CAST / FABRICATED DESIGN |
OPERATOR | MANUAL BY COUNTER WEIGHT, PNEUMATIC, HYDRAULIC & ELECTRICAL ACTUATORS |
DRIVE TYPES | 1. SERVO CYLINDER FOR OPENING & COUNTERWEIGHT FOR CLOSING 2. DOUBLE ACTING OIL SERVO CYLINDER 3. DOUBLE ACTING WATER SERVO CYLINDER 4. DOUBLE ACTING OIL / WATER SERVO CYLINDER |
OPTIONAL REQUIREMENTS | ADDITIONAL HYDRAULIC AND ELECTRICAL EQUIPMENTS, WIRING WITH TERMINAL BOX, FLEXIBLE HYDRAULIC HOSE FOR SERVO CYLINDER, HYDRAULIC CONTROL SYSTEM, LOCKING BOLTS FOR MAINTENANCE SEAL RING, BYPASS SYSTEM, UPSTREAM CONNECTION PIPE, DIAMANTLING JOINT, WATER CONTROL UNIT, HYDRAULIC POWER UNIT, ELECTRICAL CABINET, ORIGINAL SPARE PARTS |
STANDARD | REFERENCE |
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DESIGN | API 6D, ASME B16.34, ASME SECTION VIII, MANUFACTURING STANDARD |
FACE TO FACE | ASME B16.10, API 6D, MANUFACTURING STANDARD |
END CONNECTION | ASME B16.5, ASME B16.25, ASME B16.47 SER - A / B |
TESTING | API 598, API 6D |
PT RATING | ASME B16.34 |
MATERIAL OF CONSTRUCTION | |
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BODY / ROTOR | CARBON STEEL, FABRICATED STEEL, OTHER MATERIALS AVIALABLE UPON REQUEST |
TRIM | CARBON STEEL, FABRICATED STEEL, STAINLESS STEEL, OTHER MATERIALS AVIALABLE UPON REQUEST |
SEALS | NBR, EPDM, HNBR, VITON, PTFE, SILICON, POLYURETHANE |
BEARINGS | MAINTENANCE FREE SLIDE BEARINGS, SELF LUBRICATING BEARINGS |
GASKET | SPIRAL WOUNDED, INNER RING & OUTER RING WITH GRAPHITE FILLER, RING GASKET IN SOFT IRON. |
FASTENERS | CARBON STEEL, HIGH TENSILE STEEL, STAINLESS STEEL, OTHER SPECIAL MATERIALS |