You are here: Company » Goods » Instruments, Valves and Analyser » Control Valves » SN51-52 Series Soft-Seated O-Type Ball Valve

Ball crane with a soft seal of the SN51-52 series (O-shaped)

SN51-52 Series Soft-Seated O-Type Ball Valve

The SN51/52 series soft-seated O-type ball valves feature a full-bore straight-through design that minimizes fluid pressure drop while delivering exceptional shut-off performance. With just a 90-degree rotation of the ball, these valves achieve complete opening or closing. The design incorporates critical safety features including anti-blowout stems and anti-static protection for reliable operation.

Quantity:
Availability:





Inquire Add to Basket

Model:
SN51-52

Precision Investment Casting Process (Lost-wax method for dimensional accuracy)
Floating Ball Design with High-Mount Direct Installation:
• Adjustable concealed gland design (packing preload adjustment without removing actuator)
• Optional bracket and drive shaft configurations for specific service conditions
Fire-Safe Construction (API 607/ISO 10497 compliant)
Anti-Static Device (API 6D Section 8.2 compliant)
Anti-Blowout Stem (Meets API 6D safety requirements)
Pressure Auto-Relief Design (Prevents cavity overpressure)
Clean Bore Option (For hygienic/sanitary applications)
Manual Operation with:
• Locking mechanism (ISO 16135 compliant)
• Positioning pin function
Advanced Seat Materials:
• Imported non-metallic compounds (Multiple grades available)
• Temperature resistance up to 230°C
Leakage Rate: Zero leakage (API 598 Class VI)
End Connections:
• Flanged: RF/RJ/FM (ASME B16.5)
• Welded: SW/BW (ASME B16.25)