- GATE VALVE - GLOBE VALVE - CHECK VALVE - STRAINER VALVE - BALL VALVE - FOOT VALVE - TANK VALVE - SIGHT GLASS VALVE - JACKET VALVE - KNIFE GATE VALVE - BUTTERFLY VALVE - 기술자료       [SIGHT GLASS VALVE]   제관 TYPE SIGHT GLASS (CROSS TYPE) 10K, 150LB      [SIGHT GLASS VALVE]   SIGHT GLASS 10K, 150LB