USUN Model : HRL3-HF4 Low flow 316SS 10000 to 15000 PSI metal seat SS adjustable safety pressure relief valve With low flow rate
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USUN Model : HRL3-HF4 Low flow 316SS 10000 to 15000 PSI metal seat SS adjustable safety pressure relief valve With low flow rate

25x20x18 CM
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  • Model :HRL3-HF4

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  • Model :HRL3-HF4


USUN Model :  HRL3-HF4 Low flow 316SS 10000 to 15000 PSI metal seat adjustable safety pressure relief


valve With low flow rate ,Small size and easy to carry  .

USUN relief valves feature a repeatable pressure release design and set the standard for safety in high-pressure


applications, where maximum safety and reliability are critical. The cost saving design minimizes the need for


frequent recalibration, resulting in reduced maintenance and downtime. Set at the factory based on customer


requirements, precalibrated, tagged and locked in. 


 Valve product features 

     

Lower whole-life cost • Repeatable release minimizes need for frequent re calibration • 


Optimized outlet flow  for faster relieving.

Proportionally actuated

• Constructed of 316 SS, Nitronic 60 and 17-7 spring as standard

• Alternative spring material: 316SS, Inconel 718

 Capable of handling air, gases, steam, vapor and liquids, the valves are not fire rated and not suitable for steam boiler

applications, nor on pressure vessels CAT III, IV. Valves are not ASME code stamped safety devices. Standard model

not suitable for oxygen service. Consult factory for alternative material.


Product applications

5


 Engineered to provide reliable, repeatable venting of gases or liquids in pressure gas systems,


cryogenic systems and petrochemical applications where flow is not important. 


Product structure

Valve size -1


Product specifications  


Valve technical data


Real pictures of such safety relief valve



Real photos-1





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Add : ChuangYing Industrial Park , LiaoBu town ,DongGuan city ,GuangDong Province ,China
Phone : 0086 769 33388195
E-mail : Sunny@u-sun.cn
Skype : sunny_1688
WhatsApp:0086 15876407183 
Usun Fluid Control Equipment 

CONTACT US

    Add : ChuangYing Industrial Park , LiaoBu town ,DongGuan city ,GuangDong Province ,China
    Phone : 0086 769 33388195
    E-mail : Sunny@u-sun.cn
    Skype : sunny_1688
    WhatsApp:0086 15876407183 
Copyright  2019  Usun Fluid Equipment Co., Ltd. 
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