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STAUFF LEVEL GAUGES

Bahasa Indonesia
Stauff level gauges are tools used as visual fluid level indicators in hydraulic system reservoirs. In a hydraulic gas or fluid tank, measuring the amount of fluid remaining may be impossible, therefore, there’s a need to use a device to indicate the level. These Stauff level gauges are designed to work with a maximum pressure of 29 PSI or 2 bar. 

​There are four main parts of the level gauges: housing, scale plate, sealing and plugs, and sight tubes made from different materials. Stauff level gauges are available in two different types, Level gauge SNKK, level gauge SNA, and Level Gauge SNK. They are used in various applications. For example, level gauges can measure pressure effectively in mineral and petroleum-based systems.
Sealing
  • NBR / FPM
Temperature Range
  • -30⁰C to +80⁰C
Size
  • 76mm to 305mm
Working Pressure
  • ​Up to 2 bar

1. What are the Stauff Level Gauges?

Level gauges are measuring instruments for fluid or gas stored in a tank. They are used in various industries operating with fluids and used to measure the level of fluids in pressure vessels, hydraulic tanks, drums, and many more. These gauges are used to measure in scenarios where a direct measurement cannot be done, that is, the chemicals are harmful and hazardous to health or when the tank is sealed with pressure. Level gauges are of different types, sizes, and uses. There are three common types of level gauges in the system application and there are reflex level gauge, transparent level gauge, and magnetic level gauge.

​Stauff level gauges are used to measure the visual level of fluid in hydraulic tanks. They can be used in different applications such as gasoline, mineral, and petroleum-based hydraulic fluids, lubricants, etc. these level gauges are designed to operate with a maximum working temperature of 90⁰C or 194⁰F. They are available in different configurations to fit the application intended.

2. What are SNA Series Stauff Level Gauges?

STAUFF Level Gauges
STAUFF Level Gauges
The SNA Series of Stauff Level Gauges is designed to operate under a maximum of 194⁰F or 90⁰C. The thermometer calibration ranges from -14⁰F (-10⁰C) to 176⁰F (80⁰C). The types of SNA 076 are designed using the M10 Bolt standards while SNA 127, SNA 254, and SNA 305 have M12 Bolts standards. The tightening torque is 70in/lb or 7.9 Nm. 

​The sealant type is Viton seal, however, other seals can be available upon request. The house is made from Black Epoxy Coated Metal Shroud and the Sight Tube from Polyamide (PA). For special material requests, they can be provided. They are recommended for use in lubricants, petroleum, and mineral-based hydraulic fluids.

BAHASA INDONESIA

3. What is the design of Stauff Level Gauges?

Stauff level gauges are used in reservoirs with maximum tank pressure measuring 2 bar or 29 PSI. However, it can be designed for special sizes more than 305mm or 12 inches to a maximum size of 950mm or 37.4 inches which is suitable for use in small and medium tanks.
Also, the level gauges come with a 1mm tolerance as specified by the customers’ orders.

​The design of Stauff level gauges are as follows:
  • Plastic dampening clips are used for sizes more than 450mm or 17.7 inches. This helps minimize the vibration level of sight tubes
  • Strut(s) that partition the display screen of the level gauges into different sections.
  • Flexible placement of the strut(s) to suit the client’s specifications.
  • Scale plates showing the actual visual indication of fluid process point. This is available for tanks less than 670mm or 26.4 inches in size. However, a colored floating tool can be used for sizes higher than 670mm.
STAUFF Level Gauges with Thermometer
STAUFF Level Gauges with Thermometer

4. What materials are Stauff Level Gauges made of?

The Stauff level gauge is made of different parts, thus, different materials are used. The housing material is made for a Steel St 12 material with black epoxy-coating. St 12 is a material made following the German Standard DIN1623. Equivalently, the material is DC01 of the JIS standard and SPCC of EN10130 standard.
The chemical composition summary off the material is shown below:
Elements
Content (%)
Carbon (C)
≤ 0.10
Sulfur (S)
≤ 0.035
​Manganese (Mn)
0.20 – 0.45 ​
Nitrogen (N)
≤ 0.007
Phosphorus (P)
≤ 0.035
Elongation
≥ 28
Yield stress (Mpa)
≤ 280
Tensile Stress (Mpa)
270 – 410
Epoxy-coating is a material used to elongate the durability of carbon steel tanks. The polymerization makes it of two compounds, resin, and hardener. Epoxy coatings are advantageous as they help protect equipment against corrosion, high temperature, and abrasion. More so, they are easy to clean and have weather resistance. The Stauff level gauges can withstand all the aforementioned problems due to the coating applied to the housing. 

The sight tube and plugs are made from a Polyamide (PA) material. Polyamide is a material that is popularly referred to as nylon. It is a semi-crystalline thermoplastic with increased thermal stability and low density. It is a material often used in production and very important due to its high chemical and oil resistance level. This makes it a suitable alternative for the metal in various applications. Generally, the material has a high level of durability, sliding feature, chemical resistance, thermal stability, and strength.

The Scale Plate of Stauff level gauges is made from PVC material. Polyvinyl Chloride, also called PVC is one of the common materials used in domestic and industrial production worldwide. They are used in construction applications due to their strength, high flame resistance level, and rigidity.

5. What are the types of Stauff Level Gauges?

​There are other alternative types of Stauff Level Gauges available. They are SNK Series or SNKK Series.
Stauff Level Gauges
Stauff Level Gauges
  • ​SNK/SNKK Series: the level gauges SNK and SNKK are made of Black Epoxy Metal Shroud while the sight tube is a Polyamide material (PA). They are used in gasoline, lubricants, petroleum, and mineral-based fluids application. It operates with a maximum temperature level of 194⁰F or 90⁰C. The thermometer calibration ranges from 14⁰F (-10⁰C) to 176⁰F (80⁰C). It uses a standard plug type “O” or “C” which is made following the DIN ISO 6952 standards and electrical contact is made at the minimum oil level.​
  • Compact Level Gauges (SNKK Series): They are suitable for all application uses and most common due to the compact size. This makes them fit in areas with small spaces. It is also designed with a protection class IP67 which allows the gauge suitable for use in harsh conditions such as forestry, construction sites, etc. for the IP69K, they are available on request. The compact level gauges are 40mm shorter than other types and the plugs are made following the DIN EN 175301-803-B/ISO6952 standards. They come with M12 plugs made following the IEC-61076-2 standards.

  • Thermo switches (TS SNA and SNK Series): this is an instrument used to measure the oil temperature and they are used alongside other Stauff Level Gauges like SNK, SNKK, and the SNA series. The temperature level range is between 60⁰C (140⁰F), 70⁰C (158⁰F), and 80⁰C (176⁰F). The instrument's plastic component is made from glass fiber reinforced polyamide (PA) and activation of the instrument occurs when the temperature level exceeds those stated above.

level gauges catalogue
​​​​​​Stauff Level Gauge​

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STAUFF Level Gauges
STAUFF Level Gauges
Bahasa Indonesia

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