DWBF | 插装阀 » Directional » 3-通

该FLeX系列2位3通电磁换向阀为直动式，锥阀形式，由于是锥阀结构，该阀具有极低的泄漏量。

此阀可被直接驱动且不需要最小液压操作压力。
适合负载锁紧回路。
设计以及测试通过1000万次开关工作循环。
疲劳以及爆破压力等级符合新的NFPA测试标准T2.6.1 R2014。
使用CFD流体仿真软件进行几何形状优化设计。
该类阀的所有配置均配备锌-镍镀层，能够提供1000小时盐雾保护。
线圈插头提供最高IP69K防护等级，详细信息见线圈产品页。
该阀具有极低的泄漏量 - 0.004 in³ (0.07 cc³)/min (1 滴/min)。
油口3推荐用于进油口。油口1的通流等级只有一半。
推式手动操纵选项用于A型阀芯配置 (DWBF-*A*)。手动推力不能够超过25 lbf (110 N)。
带D或L控制的型号，手动重载中的止动机构是用来作临时驱动用途。
详细产品页面在该网页上部可以下载浏览。
此阀采用湿式衔铁线圈设计。这意味着衔铁周围的工作流体介质将曝露在线圈所产生热场中。如果线圈长时间通电，这将是一个影响因素。一些液体，特别是水/乙二醇混合物，会在长时间高温下分解并形成凡立水，而这将会影响阀的功能。
不同的线圈接头与电压选项都是可选的，也同时可选带或不带浪涌保护。
利用Sun浮动结构减少由于过量安装扭矩或插孔/插装阀加工误差带来的内部零件粘结的可能性。

注意：技术参数可能因产品配置而不同。请查看产品配置部分。

插孔	T-150A
系列	0
通流能力	6 gpm23 L/min.
最大操作压力	5000 psi350 bar
110 SUS (24 cSt)下的最大泄漏	0.004 in³/min.@5000 psi0,07 cc/min.@350 bar
额定响应时间	50 ms50 ms
切换频率	10,000 max. cycles/hr10,000 max. cycles/hr
衔铁直径	.63 in.16 mm
阀头部安装六角尺寸	3/4 in.19,1 mm
阀安装扭矩	25 - 30 lbf ft35 - 40 Nm
型号重量	1.25 lb0,60 kg
美国专利号#	10,302,20110,302,201
Seal and nut kit - Coil	Viton: 990740006
Seal kit - Cartridge	Buna: 990150007
Seal kit - Cartridge	Viton: 990150006

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Performance Curve for DWBF: FLeX系列 3通, 直动式, 电磁锥阀换向阀

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How big is a drop of hydraulic oil?

There are exactly 250 Sun drops in a cubic inch or 15 in a cc.

Direct acting, pilot operated, what do I use?

Direct acting valves are used to prevent over pressure and pilot operated valves are used to regulate pressure. If you are unsure, use a direct acting valve. Sun's direct acting valves are very fast, dirt tolerant, stable, and robust. Sun's pilot operated valves are moderately fast, they have a low pressure rise vs. flow curve, and they are easy to adjust.

What parts of the Sun cartridge valve are field serviceable?

Only external seals are serviceable. Sun offers replacement seal kits for all cartridge models. The applicable kit part number can be found in the product page's Technical Data table or by using our Cartridge Seal Kit search function located under Accessories. Please note: Converting the external seals from one material to another does not ensure fluid compatibility with that material due to the existence of internal seals within the cartridge.

Where would I use a DR__ instead of a DP__?

In many circuits the directional cartridge is set to shift at a low pressure no matter how high the pilot pressure goes. If you use a DP__ , the pilot flow increases to significant amounts. A DR__ however will only consume a small amount of flow. A DP__ is useful when you want to block or open the pilot flow to shift the valve.

Is the FLeX program available in QuickDesign SmartConnect?

Yes. All FLeX phase 1 valves are available in the SmartConnect schematic tool, and are also available for submittal to QuickDesign.

Do FLeX valves utilize a floating nose design?

Yes. All FLeX valves utilize the Sun floating nose design.

What is the difference between nominal and maximum flow capacity?

Nominal flow capacity is based on performance limits. Maximum flow capacity is based on pressure drop. When selecting any direct-acting solenoid valve, first check the performance limits plot, then check if pressure drop is acceptable.

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991283 740系列瞬时/扭转操作, 手动超控控制组件, T控制
991284 740系列锁定/锁紧操作, 手动超控控制组件, L控制
991285 740系列双向扭转/锁紧操作, 手动超控控制组件, D控制
991301 740系列, 红瞬时/扭转操作, 手动超控控制组件, T控制
991302 740系列, 红锁定/锁紧操作, 手动超控控制组件, L控制
991303 740系列, 红双扭转/锁紧操作, 手动超控控制组件, D控制

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当选择Sun阀块时，请检查插装阀的间隙要求。不同的阀控制方式以及线圈要求的间隙不一样。
在阀的最大尺寸之外需增加额外的2.00 inches (50,8 mm)，以进行线圈的安装和移除。
SUN公司对于电磁阀的性能测试数据基于最高允许环境温度(50° C)以及比标准线圈电流(580 mA)低15%的实际工作电流。以此保证阀在最严酷的实际工作环境下仍能满足要求。

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