dual-check-valve
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dual check valve
Standards
see mechanical backflow prevention device
Source - AS/NZS 3500.0:2003: Plumbing and drainage
Standards
see backflow prevention device
Source - AS/NZS 3500.0:2003: Plumbing and drainage
Standards
a device to prevent backflow caused by backpressure, which incorporates two independently operating force loaded non-return valves
Source - AS/NZS 3500.0:2003: Plumbing and drainage
HB50
device to prevent backflow caused by backpressure, which incorporates two independently operating force loaded non-return valves
HB50
dual-check valve