How the 5000 series operates:
A combination of quick and slow opening Valves in one body operates the same as figure 4000 series. The lever operated section is used as the sealing Valve and the handwheel operated section is the blowing Valve. The blowing Valve can be removed for repair while the sealing Valve remains in service (Fire Banked). All Valve bodies are made of carbon steel and are easy to operate at maximum blow-off pressure.
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