JJNPN-S Negative Pressure Tester
This instrument is a negative pressure test unit of a comprehensive performance test platform for thin-walled stainless steel pipe fittings. It provides negative pressure through the negative pressure test control system. It is used to test the negative pressure resistance and sealing performance of stainless steel pipes and pipe fittings after the compression connection. It is extremely convenient and safe to use , Good display.

Standard

GB/T 33926,GB/T 19228.1
Description
Features
Standards
Specifications
Accessories

JJNPN-S negative pressure tester


This instrument is a negative pressure test unit of the comprehensive performance test platform for thin-walled stainless steel pipes and fittings. It provides negative pressure through the negative pressure test control system. It is used for the negative pressure resistance and sealing performance test of stainless steel pipes and pipe fittings after the compression connection. It is extremely convenient to use , Safe and good display.

JJNPS-S Negative pressure test control system (host)


This instrument is the core of the negative pressure test control of the comprehensive performance test platform for thin-walled stainless steel pipes and fittings. It must provide accurate test pressures for multiple negative pressure test units.  




JJNPN-S negative pressure tester



1. Good visualization and strong security



Fully open and transparent design, while taking into account safety, improve the visualization of the test;


It is supported by gas springs and is additionally equipped with a gas spring drop protection cover, which takes into account both convenience and safety.

2. Convenient operation and strong applicability



Slide rail type sample holder, easy and convenient position adjustment, suitable for a variety of sample installation;


It is equipped with a variety of specifications of sample holders (tube clamps), which has strong applicability.

3. Good display



The integrated design of functionality, safety and aesthetics has a strong industrial beauty.




JJNPS-S Negative pressure test control system (host)



1. Critical vacuum, precise pressure control equipped with high-speed vacuum pump, high test efficiency


The lowest pressure can reach -90KPa critical vacuum state;


Dedicated vacuum control solenoid valve, intelligent control algorithm, fast and stable pressure control;


High-precision pressure acquisition system, data is accurate and credible.


2. Hierarchical pressure control, diverse functions


The control pressure can be set programmable and controlled in stages to meet special test requirements;


Large-size industrial panel computer, arbitrarily set from 0 to -90kPa.


3. Efficient and easy-to-use measurement and control software


Provide a wealth of test curves and report types;



The test report type can be customized, and the report export in multiple formats is supported.


Standard



Standard name



GB/T 19228.1
                                                  GB/T 6111
GB/T 33926

                                                  CJ/T 152
CJ/T520






JJNPS-S Negative Pressure Tester

Technical Parameter

Technical Parameter



Working negative 

pressure range:


(-800)kPa



Numbers of test stations:



1



Applicable scope of pipe 

diameter:


DN12~DN300



Connection thread:



R1/2




JJNPS-S negative pressure test control system

Technical Parameter

Technical Parameter




Negative pressure 

control range:


(-900)kPa



Numbers of test stations:



1



Maximum allowable 

error of pressure display:


0.001MPa



Connection interface:



R1/2