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• Important notes earlier than you order: about the taxes 1 Import duties, taxes and charges are not integrated in the item fee or shipping expenses These costs are the buyer&;s responsibility 2 You can talk to your country&;s customs office about those extra prices earlier than shopping Shipping Terms: 1)Please listen we are not able to take any duty for any customs delay or tax 2)We will deliver your item in line with your Escrow deal with so make sure it's correct 3)Before ordering, please touch us to confirm your chosen shipment formulation and shipping charges 4)Most of the monitoring number, you may tune it in www      The constant stress valve is an important factor of many refrigeration and A/C systems It routinely meters refrigerant to the evaporator at a fee equal to compressor pumping capacity  The fixed pressure valve encompasses a diaphragm, management spring , seat and valve needle or ball The management spring, above the diaphragm, strikes the diaphragm down This strikes the valve open The opposing power is equipped via low side evaporator strain and a continuing physique spring pressure This strikes the valve closed During the off cycle, evaporator strain builds and overcomes spring pressure This retains the valve closed till the next ON cycle At the beginning of the ON cycle, the compressor quickly reduces evaporator pressure When this stress equals the management spring pressure, the valve begins to open The valve opens when evaporator pressure is only beneath the control spring stress setting This is the valve’s opening point, or environment vegetation with single injected evaporators and with out a distributor, reminiscent of air conditioners, dehumidifiers, air driers,water coolers or ice-making machines It is appropriate for all CFC, HCFC, HFC, no longer for ammonia The valves could also be installed in any role

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