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| 20 Series Pressure & Vacuum Swichgages®
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| The 20 Series Swichgage® models are 2" dual-scale dial, diaphragm-actuated, pressure and vacuum indicating gages, with built-in electrical switches for tripping alarms and/or shutdown devices. |
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| 20DP Differential Pressure Swichgages®
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| 20DP Differential Pressure Swichgages® are intended to monitor and indicate oil, fuel or water filter restriction and can reduce the risk of dangerously high pressure which may rupture the filter. |
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| 20P Pressure Swichgages®
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| 20P Pressure Swichgages® are 2" dual-scale dial, diaphragm-actuated, pressure-indicating gages, with built-in electrical switches. These switches are used for tripping alarms and/or shutdown devices. |
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| 20P7 Lockout Pressure Swichgages®
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| 20P7 Lockout Pressure Swichgages® include a lockout button which allows the low limit contact to be by-passed on start-up by keeping the pointer away from the shutdown contact while the engine starts. |
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| 20PW7 Lockout Pump Pressure Swichgages®
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| 20PW7 Lockout Pump Pressure Swichgages® are specifically designed to monitor water pump pressure and feature a lockout button which holds the pointer away from the shutdown contact while the engine starts. |
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| 20V Vacuum Swichgages®
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| 20V Vacuum Swichgages® are diaphragm-actuated, vacuum-indicating gages, with built-in electrical switches. These switches are used for tripping alarms and/or shutdown devices. |
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