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詳細介紹
SUN節流閥FPBF系列：
This valve is a pilot-operated, normally closed, electro-proportional throttle with reverse free-flow check. Energizing the coil generates an opening force on the pilot stage which vents the main stage poppet to open proportionally, allowing flow from port 2 to 1. In the open condition, flow from 1 to 2 will cause the valve to auto-close and only pilot flow will pass from 1 to 2.
FLeX Series proportional valves are fully compatible with the XMD Expandable Drivers from Sun.
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.
Improved linearity and resolution over similar competing valves.
Designed using CFD fluid simulation for optimized geometries.
For optimum performance, an amplifier with current feedback and adjustable dither (100 - 250 Hz) should be used.
Depending on circuit requirements, a reverse free flow check bypassing the compensator may be needed when using an FPB* with an external compensator.
All configurations of this valve include zinc-nickel plating as standard for 1000-hour salt fog protection.
This valve can be used with both the high-power and hazardous location FLeX coils.
A wide variety of coil termination and voltage options are available, with and without surge protection. See the CONFIGURATION section.
Coil connector options offer ratings up to IP69K. See individual coil product pages for details.
Capacities rated at 200-psi (14-bar) differential and maximum rated coil current.
A FULL DATA SHEET is available for this model using the link at the top of the page.
Sun浮動式的結構可以zui大限度地減少由于過大的安裝扭矩以及孔型加工的誤差所造成的干涉現象
SUN節流閥FPBF系列技術參數：
| 插孔 | T-162A |
| 系列 | 0 |
| 通流能力 | 5 gpm |
| 滯環（在顫振作用下） | 15% |
| 線性度（在顫振作用下） | 3% |
| Repeatability (with dither) | 3% |
| 推薦顫振頻率 | 140 Hz |
| zui大操作壓力 | 5000 psi |
| 額定響應時間 | 50 ms |
| 單向開啟壓力 | 100 psi |
| 切換頻率 | 15000 cycles/hr |
| 粘度范圍 | 35 - 2000 SUS |
| 名義死區（一定的輸出） | 48% |
| 閥頭部安裝六角尺寸 | 3/4 in. |
| 閥安裝扭矩 | 20 - 25 lbf ft |
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