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About the Manufacturer

Valves & Manifolds

Parker PGI Valves

PGI's Valves Systems feature the patented Teflon Pressure-Core Stem Seal with an unmatched 5-year warranty.

All valves and manifolds are available with a bonnet handle lock-out that prevents unauthorized cycling in either the open or closed position, or an anti-tamper bonnet that allows the bonnet stem to be placed in any position before removing the handle. OS & Y bonnets available.

Standard 316 stainless steel models conform to NACE MR0175/ISO 15156-3.

Parker PGI Manifolds

PGI offers a wide range of manifolds to fit any service, meet any requirement, all with the patented Teflon Pressure-Core Stem Seal with an unmatched 5-year warranty.

Offering 2,3 and 5 valve manifolds range from a simple by-pass manifold to the sophisticated purge adapter. All are available in a wide range of materials. All 316 stainless steel manifolds meet NACE MR0175/ISO 15156-3 as standard.

Lone Star Valves & Manifolds

PGI offers a complete line of instrument valve and manifold products with the traditional 1-year warranty. This value line of products is available in adjustable packed bonnet designs and Viton O-Ring seal bonnets for customers requiring a quality product at a lower cost.

Lone Star is also available in NACE for your critical services.

Power Valves & Manifolds

All of PGI's Power Valves and Manifolds conform to ANSI B31.1 and hydrostatic testing is performed in accordance with MSS-SP-61. A variety of end connections are available, including tube fittings and socket weld ends.

The packing is below the stem threads, and bonnet lock plates are standard on all models.

PGI Direct-Mount Systems

PGI is the recognized industry leader in the close coupling of manifold systems. Pioneered by PGI in 1988, Direct-Mount® Systems can minimize or eliminate Gauge Line Error (GLE), resulting in more accurate flow measurement.

Quality Systems

In addition to ISO 9001 certification, PGI's quality management system meets the requirements of API Q1, ASME, and holds product certifications for API, Underwriters Laboratory, Factory Mutual, CSA and D.O.T.