The DK Series Piston Pressure Gauge is an upgraded version derived from our well-established YS and JJY series, featuring structural optimizations that deliver exceptional wear resistance and reliability.

With a maximum accuracy of 0.005% and a measuring range of up to 250 MPa, the DK series incorporates a modular design that enables different piston systems to be mounted on a single platform, offering both high performance and cost-effective operation.

Key Features:

Structurally optimized for superior wear resistance and reliability
High accuracy up to 0.005%, range up to 250 MPa
Modular design supports multiple piston systems on one platform
Combines precision with cost efficiency

Performance features

1. Both the piston and the piston cylinder are made of tungsten

carbide, a hard alloy with high strength, high hardness and low

temperature linear expansion coefficient, which are carefully ground.

The working environment temperature is wide and the performance is

stable 20±5℃.

2. The load center is low, and the weight is directly added to the

piston through the basket. The piston runs smoothly, the

pressure fluctuation is very small, and the indication is accurate.

3. The pressure medium above 25MPa is decadiisostearyl octano-

ate with very low viscosity, so as to ensure the high sensitivity of

the pressure gauge.

4. All the weights used in the pressure gauge are made of non-

magnetic stainless steel (0.02 grade).

The working position of the piston is monitored by a

displacement sensor, and the up and down stroke of the piston

is 0-3mm. The instrument display has the advantages of

sensitivity, visibility and accuracy.

6. The range is wide, and the basic error is ±0.02% or ±0.05% at

the lower limit of 1MPa

7. The pressure regulating is light and effortless, even at 100MPa

pressure.

Main Technical Parameters

The measurement range and measurement accuracy class are

shown in Table 1 under the condition of ambient temperature (20±

2) ℃ and temperature fluctuation not greater than 0.5

Application:

This product is widely used inpetroleum, chemical, aviation and various industrial gas and liquid felds.

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