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Dry Pressure Gauge
The Ningdian® dry pressure gauge made in China is a very simple pressure gauge, it refers to an instrument that uses an elastic element as a sensitive element to measure and indicate a pressure higher than the ambient pressure. It often has a black steel or plastic case, black steel bezel, or no bezel, copper alloy connection, the connection has a thread size of 1/4”NPT or BSP, 1/8”NPT or BSP, brass bourdon tube and movement, plastic or glass len, the Ningdian® dry pressure gauge is widely used because of its easy installing and low prices. Make sure that your medium is compatible with brass. It can be operated at temperature -20°C to + 60°C.
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Manometer Pressure Gauge
Manometer pressure gauge made in China is a standard pressure gauge, the house of the Ningdian® manometer pressure gauge is 304 stainless steel, the bezel has two type: snap-in or rolling ring, the material is also 304 stainless steel, the socket is copper alloy,sometimes, it is chromed plated. The connection has many types: 1/2”, 3/8”, 1/4”. 1/8”. G. BSP. NPT, G The elastic element is brass with C shap or loopy bourdon tube. The window is often polycarbonate or glass. The accuracy is easy to loose if the pressure range is low, so it has bubber plastic bag and paper box package.
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Oxygen Pressure Gauge
The structures of a Ningdian® oxygen pressure gauge and standard pressure gauge are basically the same. Because of the chemical nature of oxygen's strong oxidizing properties, a special oxygen pressure gauge made in China is required when measuring oxygen pressure. The China factory made oxygen pressure gauges which have clear regulations and indicators in the country. In short, there are two aspects: no contact with any oily products from the production of parts to assembly and verification, and the dial has a red oil-free sign.
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Liquid Filled Pressure Gauge
The Ningdian® Liquid filled pressure gauge made in China is a pressure gauge filled with a liquid, such as silicon or glycerine, to improve its performance in unideal conditions. The case is made of 304 stainless stee, coppor alloy socket with 1/4”, 1/8”, 3/8”, 1/2” NPT, BSP, G thread, brass tube and inner accessories, the window is polycarbonate or safety glass, The liquid can be observed as the pressure gauge is not filled fully, creating an air bubble at the upper part of the gauge.
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All STST Pressure Gauge
The Ningdian® all STST pressure gauge from China factoryis a pressure gauge with all accessories are made of stainless steel, 304 stainless steel case and bezel, 316 stainless steel socket & connection, 316 stainless steel movement, safety glass len.
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Freon Pressure Gauge
The China Ningdian® Freon pressure gauge is also called refrigerant pressure gauge, the structures of freon pressure gauge and standard pressure gauge are basically the same.The house is often color plated for easy identification, PC snap-in window, brass connection and inner parts. The connection threads can be 1/8”, 1/4” BSP, NPT or G thread.
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