(Patent product) Visual Auto Filling Valve (black)

(Patent product) Visual automatic filling valve is a device that installed in closed cycle heating system or refrigeration system, consisting of pressure reduci

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AF0520 Series Auto Filling Valve

Automatic water filling valve is one new kind valve that installed in a closed loop in heating or cooling system. It is designed in the year of 2002. Automatic

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(New product) ADP series visual self-acting Bypass Valve Control

ADP is a self-acting constant flow control primarily used either to maintain minimum flow rates through e.g. a low-capacity gas boiler or to control the differe

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AF0522 Series Auto Filling Valve

AF0522 Series Auto Filling Valve with patent vertical visual design in the world, can avoid the indicator dial moving to wrong position.

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