Model Number: 4b -Z48 Key Specifications/Special Features: Product descriptionThis face to face length of the gate valve is long. The gate valve rigidity of the body is good. The top wedge sealing construction between the parallel gates applied with good sealing performance.Features:1: High reliability of strength and rigidity.2: The sealing is copper alloy which is wear resistance and has long lifespan.3: When opening, no other parts in the way with low flow resisting coefficient.4: The installation direction is various with the same performance Suitable medium：water, sea water Main material： grey cast iron, ductile cast
iron, alloy cast iron, carbon steel Suitable temperature: ≤80℃ Pressure PN1.0, 1.6MPa
Nominal Diameter DN50-DN600mm Flange dimension BS4504ISO2531, ISO7005
and other standards conforming to the requirements Face to face length BS5163, BS5150, ISO5752, DIN3352 and other standards conforming to the requirements Leakage ISO5208 Class D