Oscillating retention valves
Oscillating retention valves
- Works as a backup system
- Low friction losses
- Hermetic seat
- Unreasonable pier
- It can be installed vertical or horizontal
- Prevents reflux
- Low maintenance
Oscillating retention valves with empernate cover
- Brown ends or class to top soldiers ASME/ANSI 150/300 (2 ″ to 48 ″)
- Brown ends or class to top soldiers ASME/ANSI 600 (2 ″ to 36 ″)
- Bright ends or classroom topped asme/ANSI 900 (2 ″ to 24 ″)
- Bright ends or classroom to top of Asme/ANSI 1500 (2 ″ to 24 ″)
- Bright ends or class to top soldiers ASME/ANSI 2500 (2 ″ to 12 ″)
Carbon steel
ASTM A216 Gr. Body and Cover of WCB, disk in ASTM A216-WCB/CR13, ASTM A216-WCB, washer, nut and arc nut A276-410, ASTM A216-WCB, graphite spiral bonnet pages, ASTM A276-420 Disco Party, Bonete ASTM A193-B7 and Bonete Astm A194-2H, Bonete Natshit.
API 600, BS 1868
Valve design
ANSI B16.10
Face to face and end dimensions of the valves
ANSI B16.34
Valves, flanges and end welded ends
Fire 6fa
Especificación de ensayo de incendio para válvulas
NACE MR0175
Metallic material resistant to sulphide voltage cracking for oil equipment
ANSI B16.5
½ ” - 24 ″ Banda for pipes and accessories with flange
Large diameter steel flanges ANSI B16.47
26″ – 60
ANSI B16.25
Top welding ends
API 598, ANSI B16.34
Evidence
ASTM / ANSI
Materials
