美國SUN平衡閥是一種特殊功能的閥門，閥門本身無特殊之處，只在于使用功能和場(chǎng)所有區(qū)別。 在某些行業(yè)中，由于介質(zhì)（各類可流動(dòng)的物質(zhì)）在管道或容器的各個(gè)部分存在較大的壓力差或流量差，為減小或平衡該差值，在相應(yīng)的管道或容器之間安設(shè)閥門，用以調(diào)節(jié)兩側(cè)壓力的相對(duì)平衡，或通過分流的方法達(dá)到流量的平衡，該閥門就叫平衡閥。

This FLeX Series solenoid-operated 2-way, 2-stage cartridge is a pilot-operated directional poppet valve. The valve is low leakage and available in either a normally open or normally closed configuration to control flow from port 2 to port 1. A reverse flow check will allow flow from 1 to 2 in either the open or closed condition.

Designed and tested to 10 million on-off operational cycles.
Meets new NFPA test standard T2.6.1 R2014 for fatigue and burst pressure ratings.
Higher flow rates than competing valves of similar size.
Designed using CFD fluid simulation for optimized geometries.
All configurations of this valve include zinc-nickel plating as standard for 1000-hour salt fog protection.
Coil connector options offer ratings up to IP69K. See individual coil product pages for details.
This valve exhibits extremely low leakage - 0.004 in3 (0.07 cc3)/min (1 drop/min).
This cartridge utilizes both FLeX low-power and hazardous location coils.
This valve is available with a manual push-type override option for normally open versions only.
A FULL DATA SHEET is available for this model using the link at the top of the page.

：周 娟
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不同的線圈接頭與電壓選項(xiàng)都是可選的，也同時(shí)可選帶或不帶浪涌保護(hù)。
利用Sun浮動(dòng)結(jié)構(gòu)減少由于過量安裝扭矩或插孔/插裝閥加工誤差帶來的內(nèi)部零件粘結(jié)的可能性。

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