Concentric design
Bi-directional service
Zero leakage
Low torque
Fire safe design
Easy Installation
Blowout-proof stem
Size: 1 1/2"~48"（DN40~DN1200）
Rating: PN10~ PN25
Body Materials: Ductile iron, Cast Steel, Stainless Steel, Al-Bronze, Duplex steel, etc.
Seat Materials: EPDM ，NBR ，FPM, etc.
End connection: Wafer, Lug, Double Flange, U-flange
Face to face standard: DIN 3202, EN558, ISO 5752, BS 2080, JIS 2002, API609, etc.
OPeration/actuation: lever, worm gear， electric, pneumatic, hydraulic.
Marine and offshore, sea water system, cold and warm water, cargo oil system, lubrication oil, neutral gases, etc