SPAN Compound Gauge with Internal Seal: 0 psi to 300 psi, LFS-210, 2 1/2 in Dial
The SPAN Compound Gauge with Internal Seal (SKU 5NMX5) is a dial pressure gauge featuring a freeze- and clog-resistant internal seal. It has a 2 1/2 in dial, an accuracy of ±1.00%, and wetted parts made of…
SKU 3G-OTH-174737
Need installation or engineering help?
Ask a question
Product Description
The SPAN Compound Gauge with Internal Seal (SKU 5NMX5) is a dial pressure gauge featuring a freeze- and clog-resistant internal seal. It has a 2 1/2 in dial, an accuracy of ±1.00%, and wetted parts made of brass/copper. The gauge case is filled with glycerin, the seal is filled with instrument oil, and the seal lower housing is constructed of brass.
Frequently Asked Questions
What is a SPAN compound gauge with internal seal used for?
A SPAN compound gauge with internal seal measures both vacuum and positive pressure in industrial systems. It is used in applications like pumps, compressors, and hydraulic circuits where freeze- and clog-resistant performance is critical. The glycerin-filled case dampens vibration, while the instrument oil seal protects the gauge from process media.
What are the specifications of the SPAN LFS-210 compound gauge?
The SPAN LFS-210 compound gauge has a 2 1/2 in dial, ±1.00% accuracy, and a range of 0 psi to 300 psi. Wetted parts are brass/copper, the case is glycerin-filled, and the seal is filled with instrument oil. The seal lower housing is brass, and the seal material is Buna-N. The MPN is LFS-210-30Hg/300PSI-G-KEMX.
Where to buy a SPAN compound gauge with internal seal worldwide?
3G Electric supplies the SPAN compound gauge with internal seal to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this LFS-210 model. We source genuine SPAN gauges for industrial applications.
How to install a SPAN compound gauge with internal seal?
Install the SPAN compound gauge with internal seal using a compatible brass or steel fitting. Apply thread sealant to the male connection and tighten to the recommended torque. Avoid over-tightening to prevent damage to the seal. Ensure the gauge is mounted vertically for accurate readings. Refer to the manufacturer's manual for specific torque values.
Used in
Common applications for SPANSPAN Products
3G Electric supplies SPAN dial pressure gauges with freeze- & clog-resistant internal seal. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















