SPECIFICATIONS | |
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SIZES | 2" TO 24", LARGE SIZES ALSO AVAILABLE UPON REQUEST |
CLASS RATINGS | CL 150 TO 600, HIGH PRESSURE CLASSES ALSO AVAILABLE UPON REQUEST |
END CONNECTIONS | FLANGED RAISED FACE |
VALVE ORIENTATION | HORIZONTAL, VERTICAL & INCLINED |
TYPES | GAS OR NITROGEN LOADED & PILOT OPERATED SURGE RELIEF SYSTEM |
APPLICATION | SRV SKIDS FINDS APPLICATION IN THE FOLLOWING APPLICATIONS. 1. BACKPRESSURE CONTROL 2. PIPELINE PUMP STATION BY-PASS 3. PIPELINE PRESSURE AND SURGE RELIEF 4. BY-PASS PRESSURE CONTROL 5. Custody Transfer 6. Non-Custody Transfer 7. Production 8. Liquid Pipelines 9.FPSO/FSO 10. Refining Terminals 11. Tank Farms |
FEATURES AND BENEFITS | THE FOLLOWING ARE SOME ADVANTAGES OF SURGE RELIEF VALVE (SRV) SKID. 1. MODULAR CONSTRUCTION 2. NO DIAPHRAGMS OR STUFFING BOXES 3. LINEAR CONTROL CHARACTERISTICS 4. EXCEPTIONALLY FAST RESPONSE SPEED 5. POSITIVE SHUT-OFF 6. HIGH FLOW CAPACITY 7. BALANCED PISTON DESIGN 8. NO PILOT CONTROLS 9. CAN PASS DIRTY OR VISCOUS PRODUCT 10. LINE PRESSURE OPERATED - NO POWER SOURCE REQUIRED 11. HIGH FLOW CAPACITIES / FLOW CO-EFFICIENTS 12. FAST RESPONSE - RAPID OPENING & CONTROLLED CLOSING WITHOUT SLAMMING |
STANDARD | REFERENCE |
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DESIGN & MANUFACTURING | API 526, ASME B16.34, ASME BPVC SECTION VIII & IX, SAES-J-605, SAES-J-600, ASME B16.42/ API 5L M-CR-630, MANUFACTURING STANDARD |
FACE TO FACE | MANUFACTURING STANDARD |
END CONNECTION | ASME B16.5, ASME B16.47 SERIES A & B, EN 10092-1, NORSOK U-001 |
TESTING | API 527, API 598, EN 12266 - 1 & 2, BS 6755 PART-1, ISO 5208, EN 10204, ASME B16.34 |
NACE COMPLIANCE | NACE MR 0175 / ISO 15156, NACE MR 0103 |
PT RATING | ASME B16.34 |
MATERIAL OF CONSTRUCTION | |
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VALVES / STRUCTURES | CARBON STEEL (CS), LOW TEMPERATURE CARBON STEEL (LTCS), ALLOY STEELS,STAINLESS STEELS OTHER MATERIALS ALSO AVAILABLE UPON CUSTOMER REQUIREMENT. |
PIPINGS | CARBON STEEL (CS), LOW TEMPERATURE CARBON STEEL (LTCS), ALLOY STEELS,STAINLESS STEELS OTHER MATERIALS ALSO AVAILABLE UPON CUSTOMER REQUIREMENT. |
CYLINDER | 1. 2" to 4" : STAINLESS STEEL (DEFAULT) FOR CLASS 150 TO 600 2. 6" to 24" : CARBON STEEL + NICKEL COATED (DEFAULT) FOR CLASS 150 TO 600, 3. OTHER MATERIAL OF CONSTRUCTION ALSO AVAILABLE UPON CUSTOMER REQUIREMENT. |
PISTON | STAINLESS STEEL (DEFAULT), OTHER MATERIALS ALSO AVAILABLE UPON CUSTOMER REQUIREMENT. |
SEATRING | STAINLESS STEEL (DEFAULT), OTHER MATERIALS ALSO AVAILABLE UPON CUSTOMER REQUIREMENT. |
OTHER INTERNAL PARTS | STAINLESS STEEL (DEFAULT), OTHER MATERIALS ALSO AVAILABLE UPON CUSTOMER REQUIREMENT. |
O-RINGS | a) STANDARD: VITON (DYNAMIC), BUNA-N (STATIC) b) OPTIONAL : NEOPRENE, EPDM, VITON-GLT, BUNA-N, AP (AGGRESSIVE PRODUCTS) ARE OPTIONAL |
FASTENERS | ASTM A193 Gr.B7 / A194 Gr.2H, ASTM A193 Gr.B7M / A194 Gr.2HM, ASTM A320 Gr.L7 / A194 Gr.7, ASTM A320 Gr.L7M / A194 Gr.7M, ASTM A193 Gr.B16 / A194 Gr.4, OTHER SPECIAL MATERIALS |