Virgo Engineers – Products
N-Series Trunnion-Mounted Ball Valves
Construction/Design
End-Entry, Split-Body Design and Regular and Full Port
Size Range/Pressure Ratin
2” to 24” in 150#, 300#, and 600#
2″ to 16″ in 900# and 1500#
Material of Construction
Standard Carbon Steel (ASTM A 216 Gr. WCB)
Stainless Steel (ASTM A351 Gr. CF8M)
Exotic Materials Like Monel, Hastalloy B, Hastalloy C, Alloy 20, Duplex Stainless Steel, and Others Are Available on Request
End Connections
Flanged/Butt Weld
Features of Trunnion-Mounted Ball Valves
- Double gasket body sealing ensures positive body-joint sealing against pipeline stresses.
- Double block and bleed with self-relieving seats.
- Multiple-stem sealing enhances sealing capabilities to the atmosphere.
- All valves have an ISO 5211 top flange, which permits on-site actuator mounting and the use of standard mounting hardware.
- Fire-safe, anti-static, and blowout-proof stem designs are standard. Fire safety is as per API 6FA and is certified by Lloyd’s.
- A variety of seat materials is available to suit process conditions.
- Raw material and component traceability as per DIN 50049 3.1 B.
Standards of Compliance
- ANSI B 16.34/API 6D: Manufacturing Standard
- ANSI B 16.10/API 6D: Face-to-Face/End-to-End Dimensions for Flanged Valves
- ANSI B 16.5: Flange Dimensions
- BS 6755 Part I/API 6D/API 598: Pressure Testing
- API 607 Edition IV/API 6FA/BS 6755 Part II: Fire Safe Testing
Trunnion-Mounted Ball Valves Catalog (PDF: 453 KB)
Information was provided by Virgo Engineers.