| STANDARD | REFERENCE | 
|---|---|
| DESIGN | MSS-SP-81 | 
| FACE TO FACE | MSS-SP-81, MSS-SP-135 | 
| END CONNECTION | ASME B16.5, ASME B16.47 SER A&B | 
| TESTING | MSS SP 81 / API 598 | 
| NACE COMPLIANCE | NACE MR 0175 / ISO 15156 | 
| PT RATING | ASME B16.34 | 
| SPECIFICATIONS | |
|---|---|
| VALVE SIZES | 2" TO 80" | 
| CLASS RATINGS | CLASS 150 TO 300 | 
| END CONNECTIONS | FLANGED RFF/ FF, WAFER TYPE, WAFER-LUG TYPE. | 
| DESIGN TYPE | BOLTED BONNET, INSIDE SCREW & RISING STEM , OS & Y | 
| FLOW DIRECTION | UNIDIRECTIONAL, BI-DIRECTIONAL. | 
| OPERATION | HANDWHEEL, GEARBOX, ELECTRICAL ACTUATOR, PNEUMATIC ACTUATOR, HYDRAULIC ACTUATOR | 
| ACTUATOR ACCESSORIES | SOLENOID VALVE, AIR FILTER REGULATOR, LIMIT SWITCH, etc., | 
| MATERIAL OF CONSTRUCTION | |
|---|---|
| BODY / BONNET / YOKE | CARBON STEEL, CAST IRON, DUCTILE IRON, DUPLEX STEEL, SUPER DUPLEX STEEL, STAINLESS STEEL, EXOTIC MATERIALS | 
| TRIM MATERIALS | DUPLEX STEEL, SUPER DUPLEX STEEL, STAINLESS STEEL, HIGH NICKEL ALLOYS, EXOTIC MATERIALS etc., | 
| SEALS AND SEAT MATERIALS | VITON, EPDM, PTFE, NEOPRENE, POLYURETHANE, RPTFE, VINYLESTER METAL TO METAL etc., |