High Pressure Gate Valves [GHP]
API 598 or EN 12266
Description
NPS 1/2”(DN 15) ÷ NPS 16” (DN 400)
Class 600 ÷ Class 2500
PN 100 ÷ PN 400
Design
- Closed-Die-Forged, welded construction or cast body
- Pressure seal design
- Rising stem (RS), outside screw and yoke (OS&Y)
- Split wedge type obturator • Hard faced seats
Applications
- Power plant, Chemical, Petrochemical, Refining, water supply and other
Media: Depending on the gate valves materials for: water, steam, gas, oil and other non-aggressive media
Pressure and temperature
- Class 600 ÷ Class 2500
- Pressures up to 400 bar
- Temperatures up to 600 oC
- p/t according to EN 12156-1 and ASME B16.34 (Appendix A)
Materials
- Carbon and heat resistant alloys
Advantages
- Long service life
- Respect to emission standards
- Easy handling and maintenance
Options
- Electric actutor
- Pneumatic actuator
- Hydraulic actuator
- Position indicator
- Limit switches
- Locking device
- Chain-wheel
- Spring loaded stuffing box (SLSB)
- With by-pass Valve
- With equalizing pipe and by-pass valves
- With equalizing pipe to the 3rd chamber
- With hole in the wedge
- With hole in the seat
- With conection for safety valve
- Flanges and welding ends according to: DIN, EN, GOST, etc.
- Other paint finishes are available upon customer’s request
Testing
Every produced valve is tested according to API 598 or EN 12266
