Is the 63 mm Glycerine-Filled Pressure Gauge, Rear Mount, FM 632 suitable for use with corrosive gases or fluids that attack copper alloys?

No — the 63 mm Glycerine-Filled Pressure Gauge, Rear Mount, FM 632 is not suitable for use with corrosive gases or fluids that attack copper alloys. The product description explicitly states it is engineered for media that do not crystallize or corrode copper alloys. Use a gauge with corrosion-resistant internals (e.g., stainless steel wetted parts, special alloys, or protective linings) specifically rated for the corrosive media you plan to measure.

Can the 63 mm Glycerine-Filled Pressure Gauge, Rear Mount, FM 632 be used for monitoring high-frequency pulsating pressures or frequent pressure spikes?

The 63 mm Glycerine-Filled Pressure Gauge, Rear Mount, FM 632 is better suited to applications with occasional or modest pressure fluctuations rather than continuous high-frequency pulsations or very frequent sharp spikes. The glycerine filling and robust stainless-steel construction stabilize the pointer, dampen moderate vibrations, and increase resistance to sudden surges, which improves durability and reading stability compared with dry gauges. However, glycerine damping cannot fully absorb very rapid, high-frequency pulsations or protect the movement from repeated extreme spikes over time. For continuous high-frequency pulsating pressures or frequent severe pressure spikes, a gauge with additional pulsation dampers, a snubber, a diaphragm seal, or an instrument specifically rated for pulsating service is recommended to ensure accuracy and to prevent premature wear. If pulsations are infrequent or moderate, the FM 632 will perform reliably.

63 mm Glycerine-Filled Pressure Gauge, Rear Mount, FM 632

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Additional information

Maximum operating temperature [°C]	60

The universal industrial pressure gauge FM 632 with a 63 mm dial and rear connection is a reliable measuring instrument designed in compliance with EN 837-1 standards. Its robust stainless steel AISI 304 housing with glycerin filling ensures long-lasting durability, even in demanding industrial environments exposed to shocks, vibrations, and humidity. The glycerin not only stabilizes the pointer for precise readings but also protects the internal mechanism from wear, condensation, and corrosive atmospheres, significantly extending the service life of the device. Engineered for monitoring low-viscosity liquids, vapors, and gases that do not crystallize or corrode copper alloys, this gauge offers increased resistance to sudden pressure surges. With an accuracy class of 1.6, it guarantees dependable performance across a wide range of applications. The rear GZ 1/4″ BSP connection (EN ISO 228-1) ensures easy installation, while the plexiglass window provides clear visibility of measurements. Suitable for ambient temperatures from -40°C to +65°C and medium temperatures up to +60°C, the FM 632 is the ideal choice for industries seeking a compact, efficient, and durable pressure monitoring solution that delivers consistent accuracy and reliability.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
FM-632-000	Pressure gauge 63 mm, -1 to 0 bar with rear connection 1/4" BSP	-	-	In stock	Enquiry
FM-632-001	63 mm pressure gauge, 0 to 1 bar with rear connection 1/4" BSP	-	-	In stock	Enquiry
FM-632-002	63 mm pressure gauge, 0 to 2.5 bar with rear connection 1/4" BSP	-	-	In stock	Enquiry
FM-632-004	Pressure gauge 63 mm, 0 to 4 bar with rear connection 1/4" BSP	-	-	In stock	Enquiry
FM-632-006	63 mm pressure gauge, 0 to 6 bar with rear connection 1/4" BSP	-	-	In stock	Enquiry
FM-632-010	Pressure gauge 63 mm, 0 to 10 bar with rear connection 1/4" BSP	-	-	In stock	Enquiry
FM-632-012	Pressure gauge 63 mm, 0 to 12 bar with rear connection 1/4" BSP	-	-	In stock	Enquiry
FM-632-016	63 mm pressure gauge, 0 to 16 bar with rear connection 1/4" BSP	-	-	In stock	Enquiry
FM-632-020	63 mm pressure gauge, 0 to 20 bar with rear connection 1/4" BSP	-	-	In stock	Enquiry
FM-632-025	63 mm pressure gauge, 0 to 25 bar with rear connection 1/4" BSP	-	-	In stock	Enquiry
FM-632-040	63 mm pressure gauge, 0 to 40 bar with rear connection 1/4" BSP	-	-	In stock	Enquiry
FM-632-060	63 mm pressure gauge, 0 to 60 bar with rear connection 1/4" BSP	-	-	In stock	Enquiry
FM-632-100	Pressure gauge 63 mm, 0 to 100 bar with rear connection 1/4" BSP	-	-	In stock	Enquiry
FM-632-160	63 mm pressure gauge, 0 to 160 bar with rear connection 1/4" BSP	-	-	In stock	Enquiry
FM-632-250	Pressure gauge 63 mm, 0 to 250 bar with rear connection 1/4" BSP	-	-	In stock	Enquiry
FM-632-315	63 mm pressure gauge, 0 to 315 bar with rear connection 1/4" BSP	-	-	In stock	Enquiry
FM-632-400	63 mm pressure gauge, 0 to 400 bar with rear connection 1/4" BSP	-	-	In stock	Enquiry
FM-632-600	63 mm pressure gauge, 0 to 600 bar with rear connection 1/4" BSP	-	-	In stock	Enquiry

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The universal industrial pressure gauge FM 632 with a 63 mm dial and rear connection is a reliable measuring instrument designed in compliance with EN 837-1 standards. Its robust stainless steel AISI 304 housing with glycerin filling ensures long-lasting durability, even in demanding industrial environments exposed to shocks, vibrations, and humidity. The glycerin not only stabilizes the pointer for precise readings but also protects the internal mechanism from wear, condensation, and corrosive atmospheres, significantly extending the service life of the device. Engineered for monitoring low-viscosity liquids, vapors, and gases that do not crystallize or corrode copper alloys, this gauge offers increased resistance to sudden pressure surges. With an accuracy class of 1.6, it guarantees dependable performance across a wide range of applications. The rear GZ 1/4″ BSP connection (EN ISO 228-1) ensures easy installation, while the plexiglass window provides clear visibility of measurements. Suitable for ambient temperatures from -40°C to +65°C and medium temperatures up to +60°C, the FM 632 is the ideal choice for industries seeking a compact, efficient, and durable pressure monitoring solution that delivers consistent accuracy and reliability.