Self-tightening type quick-mounted anti-explosion vacuum-pumping device
A vacuuming device, self-tightening technology, applied in pressure vessels, fixed-capacity gas storage tanks, mechanical equipment, etc., can solve the problems of substandard vacuum, poor operation reliability, rework, etc., to protect personal and property safety, The effect of preventing the reduction of vacuum degree and easy operation
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[0020] The invention includes a quick-installation joint 1 and a quick-installation explosion-proof valve 2; the threaded end of the quick-installation joint 1 is threadedly connected with the hose of the vacuum pumping unit; the quick-installation explosion-proof valve 2 is welded on the shell of the liquefied natural gas cylinder, Weld a quick-install explosion-proof valve 2; see figure 1 .
[0021] Two specific implementations of the self-tightening quick-installation explosion-proof vacuuming device are as follows:
[0022] Figure 4 The fast-loading explosion-proof valve 2 is welded on the shell of the liquefied natural gas cylinder for automobiles, and integrates the safety components of the vacuum device and the liquefied natural gas cylinder. figure 2 The external threaded end of the quick connector 1 is connected to the vacuum hose, and the other end of the vacuum hose is threaded to the vacuum unit. When using the self-tightening quick-installation explosion-proo...
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