⎝⎛星力捕鱼⎞⎠

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technical article
Pressure conversion connector (41 pieces + 60 seals)
2012-2-1 9:53:36


是用来连接校验仪与被校验仪表的连接体,由于各种压力仪表的螺纹接口尺寸多种多样,正常配置的压力接头不能适应多种接口的连接,不同的 Pressure conversion joints are used to connect the calibrator to the instrument being calibrated. Due to the variety of thread interface sizes of various pressure instruments, the pressure joints of normal configurations cannot adapt to the connection of multiple interfaces.

The thread specifications are equipped with different conversion joints, so the SK-YFT-ZHJT multi-kit pressure conversion joint produced by our company is particularly suitable for such industrial control occasions and is widely used in the pressure calibration industry.


Pressure gauges used in industrial sites often contain a large amount of dust, impurities, and oil. During the verification and test of pressure instruments, dust, impurities and oil in the inspected meter will enter the pressure pump through the pressure transmitting medium.

If the pressure pump is not cleaned in time, the pressure pump may become blocked and may not work properly. At the same time, there are sealed windings such as ramie and raw materials at the connection thread of the pressure gauge. If it is not removed, it will be difficult (or impossible) to connect with the inspection equipment.

It's tricky to remove.

DX-YFT-ZHJT pressure conversion connector (41 pieces + 60 seals)

There are 41 stainless steel joints and four tees, a total of 45, covering more than 99% of the pressure gauge verification. Use M20 × 1.5 external threads to transfer the following threads, the specific specifications and quantities are as follows:


M10 × 1.0 internal (external) thread each; M12 × 1.0 internal (external) thread each;


One M12 × 1.25 internal (external) thread; one M14 × 1.5 internal (external) thread;


1 piece of M16 × 1.5 internal (external) thread; 1 piece of M20 × 1.5 internal and external thread;


1 / 8NPT internal (external) thread each; 1 / 4NPT internal (external) thread each;


1 / 2NPT internal (external) thread each; 3 / 8NPT internal (external) thread each


1 each of G1 / 4 internal (external) threads; 1 each of G1 / 4 internal (external) threads;


G1 / 2 internal (external) threads each; G3 / 8 internal (external) threads each;


1 each for ZG1 / 4 internal (external) thread; 1 each for ZG1 / 4 internal (external) thread;


1 each for ZG1 / 2 internal (external) thread; 1 each for ZG3 / 4 internal (external) thread;


1 special right-angle transition joint for axial table calibration;


M20 × 1.5 internal and external thread pluggable connectors each;


Fishtail pattern joint (barb) ∮6, ∮8 each;


20 rubber pads;


20 polytetrafluoroethylene pads;


4 tees;


20 "O" rings.


Pressure pump accessories


Pressure connection fitting set (48 pieces + 60 seals)


There are 52 stainless steel joints and accessories, covering more than 99.9% of the pressure gauge calibration. Use M20 × 1.5 external threads to transfer the following threads, the specific specifications and quantities are as follows:

M10 × 1.0 internal (external) thread each; M12 × 1.0 internal (external) thread each;


One M12 × 1.25 internal (external) thread; one M14 × 1.5 internal (external) thread;


M16 × 1.5 internal (external) thread each; M20 × 1.5 internal (external) thread each;

1 / 8NPT internal (external) thread each; 1 / 4NPT internal (external) thread each;


1 / 2NPT internal (external) thread each; 3 / 8NPT internal (external) thread each


1 each of G1 / 4 internal (external) threads; 1 each of G1 / 4 internal (external) threads;

G1 / 2 internal (external) threads each; G3 / 8 internal (external) threads each;


1 each for ZG1 / 4 internal (external) thread; 1 each for ZG1 / 4 internal (external) thread;


1 each for ZG 1/2 internal (external) thread; 1 each for Zg 3/8 internal (external) thread;


One special right-angle transition joint for axial table calibration; one fishtail joint (barb) ∮6, ∮8 each;


M20 × 1.5 internal and external thread pluggable joints 1 piece each; wrench 1 piece;


Imported three sets of connection hoses CST1000-7 / 8/10 1 each; 20 rubber pads; 20 "O" rings;


1 multi-purpose needle lifter; 4 tees;


2 filters (the filter is very dirty when the meter is checked); 20 PTFE pads.


Pressure accessories Daquan (72 pieces + 87 pieces instrument repair toolbox)


There are a total of 72 stainless steel joints and accessories. SK-YFT-ZHJT covers more than 99.95% of pressure gauges for calibration. Use M20 × 1.5 external threads to transfer the following threads, the specific specifications and quantities are as follows:


M10 × 1.0 internal (external) thread each; M12 × 1.0 internal (external) thread each;


One M12 × 1.25 internal (external) thread; one M14 × 1.5 internal (external) thread;


1 piece of M16 × 1.5 internal (external) thread; 1 piece of M20 × 1.5 internal and external thread;


1 / 8NPT internal (external) thread each; 1 / 4NPT internal (external) thread each;


1 / 2NPT internal (external) thread each; 3 / 8NPT internal (external) thread each


1 each of G1 / 4 internal (external) threads; 1 each of G1 / 4 internal (external) threads;


G1 / 2 internal (external) threads each; G3 / 8 internal (external) threads each;


1 each for ZG1 / 4 internal (external) thread; 1 each for ZG1 / 4 internal (external) thread;


1 each for ZG1 / 2 internal (external) thread; 1 each for ZG3 / 4 internal (external) thread;


1 special right-angle transition joint for axial table calibration; 2 M20 × 1.5 pluggable joints with internal and external threads;

Fishtail pattern joints (barb) ∮6, 各 8 each; 3 pieces of imported connection hose CST1000-7 / 8/10;


12 tees; 1 wrench; 1 multi-purpose needle lifter;


10 taps and spanners (special for thread repair of the meter under test)


20 polytetrafluoroethylene pads, 20 "O" rings; 20 rubber pads;


2 filters (the filter is very dirty when the meter is checked); 2 metric and inch thread samples.

是用来连接校验仪与被校验仪表的连接体,由于各种压力仪表的螺纹接口尺寸多种多样,正常配置的压力接头不能适应多种接口的连接,不同的螺纹 The pressure conversion connector is used to connect the calibrator to the instrument being calibrated. Due to the various sizes of the screw interface of various pressure instruments, the pressure connector of a normal configuration cannot adapt to the connection of multiple interfaces and different threads.

The specifications are equipped with different adapters, so the multi-suited pressure adapters produced by our company are particularly suitable for this kind of industrial control occasions and are widely used in the pressure calibration industry.


Pressure gauges used in industrial sites often contain a large amount of dust, impurities, and oil. During the verification and test of pressure instruments, dust, impurities and oil in the inspected meter will enter the pressure pump through the pressure transmitting medium. If not

When the pressure pump is cleaned, the pressure pump may be blocked and not work properly. At the same time, there are sealed tangles such as ramie and raw materials at the connection thread of the pressure gauge. If it is not removed, it is difficult (or impossible) to connect with the inspection equipment, which is very difficult to remove.


Therefore, it is particularly recommended to purchase the gas filter YK200-5, liquid filter YK200-6 and YK200-7 pressure pump produced by Dongxiang Instrument Co., Ltd. to ensure the normal operation of the pressure pump.


If there is a special interface instrument, YK200-1 universal instrument conversion connector group and remote transmission hose of various specifications can be selected.


注意事项: Notes on pressure conversion joints :

(1) In order to ensure that the instrument is not affected by the measured medium or the viscosity is too large, the crystallization should be installed;


(2) In order to ensure that the instrument is not affected by the rapid change of the measured medium or the pulsating pressure, a buffer is installed. Especially when the pressure increases sharply and the pressure drops sharply, it is the easiest to cause the pressure instrument to be damaged and scrapped, and even the spring tube is cracked to cause leakage;


(3) In order to ensure that the instrument is not affected by vibration, pressure gauges should be equipped with shock absorption devices and fixtures;


(4) In order to ensure that the instrument is not affected by the high temperature of the measured medium, a liquid-filled pipe bending device should be installed;


(5) Dedicated special instruments are strictly forbidden to use for other purposes. It is also strictly forbidden to measure on devices without special reliability, and it is strictly forbidden to use general pressure gauges for pressure measurement of special media;


(6) For newly purchased pressure measuring instruments, be sure to perform measurement verification before installation and use to prevent vibration, damage or other factors from destroying the accuracy of the pressure instrument during transportation.