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Hy-Lok Instrument Manifold & Gauge Root Valves

Providing the latest innovative solutions for fluid system control, SWPC Fluid Solutions offers the largest inventory of instrument manifolds and gauge root valves to customers all over Texas.

To ensure they receive the best quality possible, we’ve partnered with Hy-Lok for a complete line of manifolds made from 316 stainless steel, carbon steel, alloy 400, and other materials. These feature locking plates, mounting holes, and upstream or downstream ports.

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hy-lok instrument manifold & gauge root valves


Hy-Lok instrument manifolds are available in direct or remote mounting with 2, 3, or 5-way multi-valve connections.

  • We also sell the M Series instrument manifold with a built-in locking plate that prevents accidental removal during service. This unit handles pressures up to 6,000 psi with maximum operating temperatures to 1200°F.
  • Our GV/GRV Series includes a non-rotating stem design, standard bonnet lock plate, and optional lagging extension body. These units accommodate 1/2" and 3/4" male NPT as well as standard 1/2" female end connections.

We also sell an entire inventory of M Series manifold accessories such as seal kits, pipe nipples, calibration fittings, gauge adapters, purge valves, and vent plugs. Designed to operate in the most demanding environments, our manifolds and gauge root valves are installed in oil and gas, refineries, petrochemical, food, and pharmaceutical plants worldwide.

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