サワダ製作所 List of Products and Services

The "OBK Level Gauge Comprehensive Catalog" is a catalog of the "OKB" brand from Sawada Manufacturing, a company that has built a track record as a specialized manufacturer of boiler water level gauges. It includes products such as the "Reflective Water Level Gauge U Series," which is widely used in low-pressure boilers, as well as the "Magnet Flow Liquid Level Gauge Level Keeper" and the "Welded SG Type Flow Sight." [Contents] ■ Water Level Gauges ■ Liquid Level Gauges ■ Related Products ■ Information *For more details, please refer to the PDF document or feel free to contact us.

• Other inspection equipment and devices
• Other measurement, recording and measuring instruments

Sawada Manufacturing Co., Ltd. responds to customer needs with a rich lineup of liquid level gauges, ranging from high pressure to low pressure. Additionally, by quickly producing products that meet the quality required by our customers, we contribute to our customers' businesses as a supplier. 【Business Activities】 ■ Manufacturing and sales of water level gauges and liquid level gauges ■ Manufacturing and sales of valves and cocks ■ All operations incidental to the above *For more details, please refer to the PDF document or feel free to contact us.

• Analytical Equipment and Devices

The "Lining Liquid Level Gauge (Reflective Type / Transparent Type)" is a liquid level gauge suitable for corrosive fluids. We manufacture various types of round glass tube liquid level gauges, including reflective and transparent types, that can accommodate linings such as rubber or Teflon. 【Features】 ■ Suitable for monitoring liquids that are averse to metals (discoloration, chemical reactions) and highly corrosive liquids ■ Customization is possible according to the usage environment, application, and liquid characteristics *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "Heating and Cooling Type Liquid Level Gauge (Reflective and Transparent)" is suitable for monitoring liquids that solidify without heating or cooling. By controlling the temperature of the liquid through a jacketed pipe with steam or cooling water, it allows for easy confirmation of the liquid level. 【Features】 ■ Controls the temperature of the liquid by flowing steam or cooling water through the jacketed pipe ■ Suitable for highly solidifying fluids and liquid types ■ Compatible with boiling liquids *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "Non-freezing Liquid Level Gauge (Reflective and Transparent Type)" is a liquid level gauge designed to monitor low-temperature fluids. Since the visible part of the liquid level gauge can freeze, making it difficult to monitor the liquid level, it is designed with an acrylic anti-freezing plate attached to the front of the glass, allowing for easy confirmation of the liquid level through the anti-freezing plate. 【Features】 ■ Uses an acrylic anti-freezing plate on the front of the glass *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "High-Pressure Special Type Liquid Level Gauge (Reflective and Transparent Type)" is a liquid level gauge developed and designed for use under ultra-high pressure conditions. It uses an "O" ring as a packing for atmospheric pressure, minimizing the tightening force on the glass, making it a liquid level gauge that can withstand high pressure sufficiently. 【Features】 ■ Uses an "O" ring as a packing for airtightness ■ A liquid level gauge specialized for use in high-pressure environments ■ Can also be used in hydraulic accumulators and high-pressure gas facilities ■ Compliant with the High-Pressure Gas Safety Act (regulations) *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "Wide Liquid Chamber Type Level Gauge (Reflective and Transparent)" is a level gauge suitable for monitoring foaming and boiling liquids. By making the liquid chamber wider, it stabilizes the liquid level and makes it easier to check the liquid level. If the surface of the liquid freezes, an anti-freezing piece can be attached to the visible part. It can also be used with high-viscosity fluids. 【Features】 ■ The wide liquid chamber allows for stable liquid levels ■ Easy to check the liquid level ■ Compatible with special fluids and liquid types such as foaming, boiling, and high viscosity *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "Round Welded Liquid Level Gauge" is a circular liquid level gauge that can be welded to various tanks and pressure vessels, allowing for direct monitoring of the interior. Additionally, due to its design, the only packing connection point is at the gauge glass section, making it a highly reliable liquid level gauge against liquid or fluid leaks. 【Features】 ■ Direct monitoring of liquid and fluid levels in the tank without time delay ■ Extremely high reliability and safety against liquid and fluid leaks ■ Compatible with solidifying liquids and high-viscosity fluids ■ Easy cleaning with flange connection ■ Wide visibility allows for monitoring inside the tank and can also be used as a light inlet ■ Contact surfaces can be processed to R shape according to the mounting part *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "Welded Liquid Level Gauge" is a liquid level gauge that can directly monitor the interior of tanks and containers, and is welded to various tanks and pressure vessels. Additionally, due to its structure, the packing connection points are only at the gauge glass section, making it a highly reliable liquid level gauge against liquid or fluid leaks. 【Features】 ■ Direct monitoring of liquid and fluid levels in the tank without time delay ■ Extremely high reliability and safety against liquid and fluid leaks ■ Compatible with solidifying liquids and high-viscosity fluids ■ Easy cleaning with flange connection ■ Wide visibility allows for monitoring inside the tank and can also be used for light transmission ■ Contact surfaces can be processed to R shape to match the installation area *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "Transparent Liquid Level Gauge" is a structure that allows direct observation of the liquid level through two gauge glasses sandwiching a center piece. It is a general-purpose type that can be used in conjunction with a water level gauge, and while the water level gauge for boilers uses mica plates, the liquid level gauge typically does not. Additionally, using energy-efficient LED lighting instead of a light bulb makes the entire visible area a more vibrant green, and the waterline shines white and becomes clearer. 【Features】 ■ Can be connected to accommodate long visible sections ■ Visible direction can be freely adjusted ■ Material selection can be tailored to usage conditions and environments ■ Compliant with high-pressure gas safety regulations (legal requirements) *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "UZ Type Reflective Liquid Level Gauge" is a highly versatile liquid level gauge commonly used in low-pressure tanks and low-pressure boilers. By tightening the center piece with U-bolts, it can maintain a high level of sealing, ensuring high safety. 【Features】 ■ The grooves on the liquid contact surface of the gauge glass create a prism effect, making the liquid part appear black and the gas part appear white. ■ It can be connected to accommodate longer visible sections. ■ The visible direction can be freely adjusted. ■ Material selection can be tailored to usage conditions and environments. ■ Compliant with the High-Pressure Gas Safety Act (regulations). *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "Round Glass Tube Type Water and Liquid Level Gauge (Tubular Type) KGV-N Model" is a low-cost liquid level gauge with a simple structure using a gauge tube, limited to flange connections made of SCS13. It is a versatile liquid level gauge with comprehensive accident prevention measures (compliant with fire safety regulations). All models are compatible with protective tubes. 【Features】 ■ Check balls are installed at the top and bottom to prevent fluid leakage in case of gauge tube breakage. ■ The gauge tube is available in hard glass, Pyrex glass, and resin tube options. ■ Flange connection types can be selected from various standards and diameters. *For more details, please refer to the PDF materials or feel free to contact us.

• Other measurement, recording and measuring instruments

The "Round Glass Tube Type Water and Liquid Level Gauge (Tubular Type) PVS Model" is a product that uses a simple structure with a gauge tube and incorporates a high-performance, durable valve. It is lighter than stainless steel or iron valves and comes standard with a check ball (non-return) function to prevent liquid leakage. It is suitable for chemical solutions, water, A heavy oil, hydrochloric acid, sulfuric acid, and more. 【Features】 ■ Gauge valve made of PVC molded products ■ Check balls installed at the top and bottom to prevent fluid leakage in case of gauge tube breakage ■ Gauge tubes available in hard glass, Pyrex glass, and resin tubes ■ Flanged connection type allows selection of various standards and diameters *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "Magnet Float Type Liquid Level Gauge Level Keeper" is a liquid level gauge that floats a magnet-equipped float inside a metal communication pipe (standpipe) installed outside the tank, magnetically driving an indication mechanism outside the metal pipe to display the liquid level. In recent years, it has been used in applications such as feedwater heaters in thermal power plants, and it is also used in tanks compliant with the Fire Service Act for hazardous materials and the High-Pressure Gas Safety Act. 【Features】 ■ No need to worry about glass breakage or corrosion since it does not use glass ■ Excellent heat resistance, corrosion resistance, and weather resistance ■ Materials can be made not only from SUS but also with lining treatment or resin! ■ Low maintenance and economical ■ The surface color of the indicator is color-coded for clear visibility from a distance *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "Two-Color Water Level Gauge (Multi-Port Type)" is a multi-port water level gauge used for ultra-high pressure boilers. The "RG-200N type" and "RG-200NH type" can be equipped with a temperature equalization device to reduce water level errors caused by the temperature difference between the boiler drum and the water level gauge body. Additionally, it features a packing structure that can withstand high-pressure use. 【Features】 ■ The steam section is indicated in red, and the water section is indicated in blue. ■ The water level visibility window is circular rather than the conventional elongated shape. ■ The structure of the water level visibility window is sectional. ■ A temperature equalization device is installed to minimize water level errors. ■ It is suitable for remote monitoring as it provides clear display on color monitors. *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "Two-Color Water Level Gauge (High Pressure Type)" is a water level gauge that utilizes the refraction of light by arranging two gauge glasses at an angle to each other. The "RGD-HL type" is widely used in land-based self-generating boilers. The gauge glasses only bear internal pressure and are not subjected to clamping pressure. Additionally, since only the packing between the cover and the main body is tightened, it has excellent airtightness. 【Features】 ■ Requires rear lighting equipment due to two-color display ■ Water level confirmation is extremely clear with the installation of lighting equipment ■ Suitable for remote monitoring as it provides clear display even on color monitors ■ Uses energy-efficient LED lighting, emitting red and blue light, making the water level clearer than with traditional bulbs *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "Bicolor Water Level Gauge (Low-Medium Pressure Type)" is a bicolor display water level gauge that utilizes the refraction of light by arranging two gauge glasses at an angle to each other. There are RGB and RGC types, and by making the cross-section of the gauge glass a parallelogram, it allows for a structure that does not require an angle in the main body of the water level gauge. 【Features】 ■ Requires backlighting due to bicolor display ■ The installation of lighting equipment makes water level confirmation extremely clear ■ Suitable for remote monitoring as it provides clear display even on color monitors ■ Bicolor separation utilizes optical principles, ensuring that it always displays the correct water level even with instantaneous water level fluctuations ■ Uses energy-efficient LED lighting that emits red and blue light, making the water level clearer than with incandescent bulbs *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "Transparent Water Level Gauge (High Pressure Type)" is a top-grade water level gauge. It is highly rated for its stable performance and is widely used as a water level gauge for high-pressure water supply heaters, primarily in main boilers for ships and turbine systems for thermal power generation. By securing two gauge glasses with front and rear covers, the gauge glasses are not subjected to clamping force, resulting in a structure that reduces stress and is less prone to damage even under high temperature and high pressure. 【Features】 ■ Uses a special graphite packing as a sealing gasket to prevent damage and leakage of the gauge glass. ■ Equipped with a mica plate (muscovite) on the inside to protect the gauge glass from corrosion. ■ The visible direction of the water level gauge can be freely adjusted. ■ Utilizes energy-efficient LED lighting to prevent bulb failure due to ship vibrations. *For more details, please refer to the PDF materials or feel free to contact us.

• Other measurement, recording and measuring instruments

The "TVC type" is a water level gauge that sandwiches the front and back of the center piece with gauge glass, allowing for direct observation of the water surface through the gauge glass. It has a proven track record of numerous applications for low and medium pressure boilers. When the fluid is colorless and transparent, using LED lighting instead of a light bulb makes the entire visible area a vibrant green, and the waterline shines white and becomes clear. 【Features】 ■ Water level gauges for boilers use mica plates, but liquid level gauges do not ■ To protect the gauge glass, a mica plate resistant to corrosion is installed on the inside ■ Material selection is possible depending on usage conditions ■ Even if the visible area is long, it can be combined in a vertical line or alternately on the left and right ■ The visible direction of the water level gauge can be freely adjusted *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments

The "U Series" is a reflective water level gauge designed to maintain airtightness by tightening the centerpiece with U-bolts. It is widely used in low-pressure boilers and also serves as a liquid level gauge. There are two models available: "UZ type" and "U-20 type." 【Features】 ■ Excellent airtightness, widely compatible with both water level gauges and liquid level gauges ■ The visible direction of the water level gauge can be freely adjusted ■ Even with a long visible direction, it can accommodate various combinations such as vertical and alternating left/right *For more details, please refer to the PDF document or feel free to contact us.

• Other measurement, recording and measuring instruments