Gate valve:
Solid wedge and flexible wedge disk
Parallel slide disk
Double disk
Globe valve:
T-pattern, Y pattern
Bellows seal type
Metal diaphragm type
Angle type
Check valve:
Swing check and lift check
Tilting disk check
Non-return type/stop check
Balanced disk type(open and remain at 1.5 gpm)
Testable check valve:
Control tyope cracking pressure check valve
Special valve:
Flap check valve
Continuous blow down valve
Drain valve(for high pressure admission line)
Controlled closure check valve(CCCV)
Bleed trip valve(Reverse current check valve)
Feed water heater level control valve
Re-heater spray injection control valve
Super heater spray injection control valve
Boiler feed water pump minimum flow control valve
Electromagnet operated valve(power control valve).
