Special Offers
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PGL-LM25-MP4-00100-SS Tompkins Pressure Gauge, 0–100 PSI, 2-1/2 in, Lower Mount
Regular price $23.37 -
80463 Midland Liquid-Filled Pressure Gauge, 0–100 PSI, 4 in, Lower Mount
Regular price $148.41 -
80205 Midland Liquid-Filled Pressure Gauge, 0–100 PSI, 2-1/2 in, Center Back Mount
Regular price $65.45 -
80064 Midland Liquid-Filled Pressure Gauge, 0–100 PSI, 2-1/2 in, Lower Mount
Regular price $57.92
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GP6400-12-12-04FB Tompkins JIC-to-O-Ring Gauge Port, -04 SAE O-Ring Port
GP6400-12-12-04FB is the 12/12 nominal-size member of Tompkins' GP6400 family, combining a JIC-to-O-ring fitting layout with a dedicated -04 SAE O-ring port for pressure-gauge access.The GP6400 family is the JIC-to-O-ring branch of the range, pairing a...Regular price $41.12Regular price $41.12 -
GP6400-10-10-04FP Tompkins JIC-to-O-Ring Gauge Port, -04 Female Pipe Port
The connection geometry on GP6400-10-10-04FP is the key: a JIC connection paired with an O-ring connection, plus a dedicated gauge port specified separately from the main fitting path. The gauge connection is 1/4-18 female pipe. If...Regular price $28.12Regular price $28.12 -
GP6400-10-10-04FB Tompkins JIC-to-O-Ring Gauge Port, -04 SAE O-Ring Port
GP6400-10-10-04FB combines two job-critical selection points—10/10 nominal primary sizes and a -04 SAE O-ring port—within the GP6400 family.The main GP6400 connection pattern is JIC-to-O-ring; the pressure-gauge port is the separate third connection.Primary fit is determined by...Regular price $28.12Regular price $28.12 -
GP6400-08-08-04FP Tompkins JIC-to-O-Ring Gauge Port, -04 Female Pipe Port
Tompkins configures GP6400-08-08-04FP for a JIC-to-O-ring primary connection path, then adds pressure-gauge access through a dedicated third port. GP6400 is selected when the primary fitting must transition between JIC and O-ring styles while still providing gauge...Regular price $22.93Regular price $22.93 -
GP6400-08-08-04FB Tompkins JIC-to-O-Ring Gauge Port, -04 SAE O-Ring Port
Use GP6400-08-08-04FB where the main connection must remain JIC-to-O-ring and the gauge connection needs to be the FB version of the GP6400 family.The two main connection sizes do not tell the whole story. This model's gauge...Regular price $22.93Regular price $22.93 -
GP6400-06-06-04FP Tompkins JIC-to-O-Ring Gauge Port, -04 Female Pipe Port
GP6400-06-06-04FP is sized for nominal 06/06 primary connections and uses Tompkins' GP6400 JIC-to-O-ring layout with an integrated gauge port. The 06 nominal size places this model among the smaller connection options in the family.The pressure-gauge port...Regular price $14.89Regular price $14.89
Gauge ports provide a convenient connection point for installing pressure gauges or accessing a hydraulic system for pressure monitoring and testing. This collection includes multiple gauge-port configurations designed to integrate a pressure connection into common hydraulic fitting arrangements.
Available styles include JIC-to-JIC, JIC-to-O-ring, and JIC swivel gauge ports in a range of nominal thread sizes. Depending on the series, the gauge connection is available with either a -04 SAE O-ring port or a -04 female pipe port.
When selecting a gauge port, confirm the fitting configuration first, then verify the nominal thread sizes on both ends and the type of gauge connection required. Fixed JIC configurations and swivel designs serve different installation needs, while JIC-to-O-ring versions provide an option for systems using SAE O-ring connections.
Gauge ports are part of the pressure-monitoring connection between the hydraulic system and the measuring equipment. If you also need the instrument itself, browse our complete pressure gauges collection.
Use the products below to compare gauge ports by fitting family, port type, nominal thread size, and connection configuration.