YSF-3(OPEN) Type - Safety Valve (Open Bonnet Type, Full Bore Type)

Steam boiler
Features

• No instability in high temperatures : The maximum operating temperature of 450℃ so that YSF-3 can be used without any changes in spring characteristics commonly occur in high temperatures.
• High impact resistance and good abrasion resistance : The disc and seat are stainless steel welded with satellite.
• Simple structure reduces maintenance costs & offers outstanding performance.
• High-strength stainless steel inner core components.
• Test lever attached : Periodical performance inspections can be conducted.
• Approval from the Korea Occupational Safety and Health Agency (KOSHA).
   

Specification:

• Type: YSF-3(OPEN)
• Size: 25(1“)~200(8")
• Test lever: Yes
• Applicable fluid: Steam
• Set pressure range: 0.1~3.0 MPa
• Fluid temperature: 350°C below
• Material:
  • Body: SCPH2
  • Disc, Seat: SSC13 (Stellite welding)
• End connection:
  • Inlet: 10, 20, 30K RF FLANGE
  • Outlet: KS B 1511 10K FF FLANGE
• Hydraulic test pressure: 1.5 times of applicable flange rating

▶ The JIS and ANSI flanges are available by made-to-orders