• The modular design makes the YFL single seat globe control valve easy to repair and convenient for maintenance;
• Single seat with double sealing sides and compressing tightly body ensure excellent seal performance and prolong the service life;
• The YFL double guided single seat globe control valve has top guided and bottom guided available under the seat makes it suitable for applications require high stability and high pressure;
• According to bonnet structure, it is classified into standard type, double guided type, control and shut-off type, shut-off type, cool fin type for high temperature application, bellow sealing type, low temperature type for cryogenic service, Jacket type;
• Equipped with multi-spring pneumatic reinforce actuator makes the valve realize the conversion of normal close and normal open on site easily, the springs can be effectively protected from the corrosion to prolong the service life of actuator.
• The actuator and the intelligent valve positioner are connected pipeless to strengthen the shock resistance, stability and precision adjustment, to meet precise control of the working conditions.

Main materials:

• Body materials: WCB WC6 CF8 CF8M etc.
• Seat materials: 304/316+stellite etc.
• Plug materials: 304/316+stellite for metal seal 304/316+RPTFE for soft seal etc.
• Cage materials: 304 316 etc.
• Guide sleeve: 304 316 etc.
• Stem materials: 304 316 etc.

Technical parameters:

• Size: 1/2"～16" (DN15～400)
• Pressure rating: Class 150～600 (PN16～PN100)
• Flow characteristic: Equal Percentage Linear Quick Open (for shut-off valve)
• Regulating ratio: 50:1
• Bonnet structure: Standard type：cast steel (-20—250℃)/cast stainless steel (-40—250℃) High temperature fin extension type: cast steel (-29—425℃)/cast stainless steel (-40—450℃) Low temperature type: cast stainless steel (-60—100℃) (-100—200℃)  (-200—250℃)
• Seal leakage: ANSI IV/V (metal seal) VI (soft sealing)
• End connection: Flanged BW
• BW ends: ASME B16.25 EN12627
• Flanged ends: ASME B16.5 EN1092
• Operation: Air to open/Air to close pneumatic electric