Assembly Build Process

Sun's Assembly Build Process allows you to configure a cartridge and manifold, or main stage and pilot stage cartridge, and build a digital assembly in three dimensional space. The resulting output of this process is the assembly product page, including configuration-specific images, symbols, product information and CAD files for download.

The Assembly Build Process can be accessed from either a cartridge or manifold product page. Only valid choices are allowed.

From a manifold page, you must first choose your cartridge function. Once you choose your function, click on the BUILD ASSEMBLY button below the WHERE TO BUY BUTTON. Once clicked, you will be presented with valid cartridges for your manifold. Select the cartridge of your choice and follow the instructions at the top of the page. If your particular combination has been generated before, the resulting assembly page will be available immediately. If not, you will be asked to enter your email address. Once the page is complete, an email will be sent to you including a link to the assembly product page.

From a cartridge product page, click on BUILD ASSEMBLY and you will be presented with a listing of compatible manifolds. In the case of main stage and pilot stage cartridges, you can either build a cartridge to cartridge assembly or a cartridge to manifold assembly. Once your choice has been made, follow the instructions at the top of the page. If your particular combination has been generated before, the resulting assembly page will be available immediately. If not, you will be asked to enter your email address. Once the page is complete, an email will be sent to you including a link to the assembly product page.

Please note that the Assembly Build Process is an automated process. It can be utilized at any time. Pages are generated typically within minutes but delays can occasionally be expected. In the event of a delay, a team at Sun will work to resolve the issue to ensure you receive your information as quickly as possible.

双向直动式溢流阀

流量: 30 gpm120 L/min. | 插孔: T-3A

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技术特性 [ + ]

双向，直动式溢流阀为常闭压力限制阀，常用来保护液压元件，以防止其受瞬态压力的冲击。当口1和口2的压差达到阀的设定值，阀开启，节流以调节压力，这与方向无关。两个方向有非常类似的设定和性能。

因为调节发生在阀的内部，所以这些阀不会出现与气蚀相关的问题，即噪音和阀块腐蚀。
调节螺杆的密封暴露在口1压力下。这意味着只有当压力被移除或口2用来设定此阀时，此阀才可被调节。口1处的设定流程为；检查设定，移除压力，调节阀，检查新设定。
所有2口溢流阀（除了先导溢流阀）在尺寸和功能上可互换（如：给定的外形结构尺寸阀拥有相同的流道，相同的插孔）。
此阀对变动的油液温度和油液污染不敏感。
选择溢流阀的弹簧范围时，为确保最大的可重复性，目标溢流设定值要接近最小和最大压力的中间范围。
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。

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技术数据 [ + ]

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-3A
系列	2
通流能力	30 gpm120 L/min.
最大操作压力	5000 psi350 bar
工厂默认的设定值	4 gpm15 L/min.
回座时最大泄漏	30 drops/min.30 drops/min.
额定响应时间	2 ms2 ms
复位	>85% of setting>85% of setting
滞环	≤ 3 %≤ 3 %
调节 - 从最小设定到最大设定的顺时针圈数	55
阀头部安装六角尺寸	1 1/8 in.28,6 mm
阀安装扭矩	45 - 50 lbf ft61 - 68 Nm
Seal kit - Cartridge	Buna: 990303007
Seal kit - Cartridge	Polyurethane: 990303002
Seal kit - Cartridge	Viton: 990303006

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性能曲线 [ + ]

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常见问题 [ + ]

Can I use a kick-down relief for my system relief?

Maybe not. We build in a good amount of overlap in the kick-down reliefs to prevent false tripping. This means they are not as fast as our standard pilot operated reliefs. A direct-acting relief valve set just above the kick-down relief valve would be good insurance.

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.

SUN压力控制阀在设置压力时的误差是多少？

设置压力的误差在产品的性能参数页中都有详细说明，您可以通过点击可选产品网页中的更多产品信息到达产品性能参数页面。

Where would I use a kick-down relief?

One graphic example is on a portable grain auger for silos. When the farmer gets caught in the auger the kick-down relief trips and allows him to escape.

How big is a drop of hydraulic oil?

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

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.

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额外来源 [ + ]

集锦