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 MANUAL - MECHANICAL VALVES
• SAI4-2015 - 3/2 NC valve, operated by push-button
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- Industrial grade push-button, normally in closed position, spring-return.
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• SAI4-2017 - Double 3/2 NC valve, operated by a push-button
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- Includes two 3/2 port industry grade push-buttons.
- Red and black colour action.
- Spring-return.
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• SAI4-2018 - 3/2 NC/NO valve, operated by a push-button
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- Includes a 3/2 port valve, which the user can convert from normally-open to normally-closed, as required.
- Spring return.
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• SAI4-2019 - 3/2 NC valve, operated by an emergency knob
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- Driven by approved emergency-type knob.
- Spring-return.
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• SAI4-2108 - 3/2 NC/NO valve, operated by a knob
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- Includes a 3/2 port valve, which the user can convert from normally-open to normally-closed, as required.
- Approved emergency knob with spring-return action.
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• SAI4-2013 - 3/2 NC valve, operated by roller lever
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- Mechanical roller action.
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• SAI4-2014 - 3/2 NC valve. Operated by one-way roller lever
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- One-way roller lever.
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• SAI4-2016 - 3/2 NC switch-operated valve
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- Includes 3/2 port valve with locking system.
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• SAI4-2022- 3/2 valve, operated by toggle lever
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- 3/2 valve with lever and locking action.
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• SAI4-2109 - 5/2 push-button valve
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- Flush push-button NC with spring-return.
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• SAI4-2110 - 5/2 valve operated by mushroom push-button
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- Activated by approved emergency knob.
- Spring-return.
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• SAI4-2021 - 5/2 valve with 2-position selector
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- Power-assisted valve driven by a locking switch.
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• SAI4-2067 - 5/2 lever-operated valve
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- Lever-operated.
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• SAI4-2025 - 5/3 valve with selector
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- 5/3 exhaust-centre type valve.
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