Globe Style Lift Check Valve
5540
Spring loaded, globe style lift check valve may be installed in any position, both in horizontal and vertical piping applications. Class 800 ANSI.
• Disc is spring loaded for positive closure in any position.
• The disc is hardened, ground and lapped, to ensure leak free sealing over the valve’s full pressure temperature range.
• Seat is overlaid with Stellite or equal hardfacing.
• The integral seat hardfacing is overlaid directly onto the body base material, eliminating any possibility of leakage behind the seat.
• Flat, precision machined and lapped seating surfaces eliminate damage from high impact seating.
• All internal surfaces are accurately machined to provide maximum performance.
• Socket weld ends standard.
• Standard body and bonnet materials are carbon steel (ASME SA105).
• Code compliance with ASME/ANSI 16.34 and the ASME Boiler and Pressure Vessel Code, Section I.
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| Table 1 | Table 2 | Table 3 | Table 4 | Table 5 |
| XXXX | XXXX | X | X | XXXX |
| Table 1 | Cv |
| ½” | 1.8 |
| ¾” | 3.5 |
| 1” | 6.0 |
| 1½” | 21.0 |
| 2” | 23.0 |
| Table 2 | Valve Type Number |
| 5540 | Globe Style Lift Check Valve, Integral Seat |
| Table 3 | End Connection |
| W | Socket Weld End |
| Table 4 | Design Change Number |
| 2 | 2 |
| Table 5 | Material Combination Suffix |
| None | A105 Body and Bonnet, 13 Cr. Trim |
