| APPLICATION
To be mounted in water and steam pipes, as open & close device
Construct characteristic
1. Body and bonnet nominal diameter for size DN50 and smaller shall be
die forged. Body and bonnet nominal diameter for size DN65 and up shall
be cast steeled.
2. Body and bonnet connection is differently, DN10~DN32 is Clamping Axial
Pin; when the size DN65 and up are connection by way of spacer flange
gasket or self-sealing flange.
3. Seat sealing surface shall be made of cobalt—based hard alloy
by way of plasma spray welding or built up welding, which is wearable,
high rigidity, anti-scratch with an long service time.
4. Stem shall treated with nitriding process to ensure a high rigidity,
wearable, anti-scratch, anticorrosion, long service.
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