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Instrumentation Valves

Isolation & Manifold Valves

Double Block & Bleed Valves and Valve Manifolds — SS316 construction, ANSI 150 to 2500 Class, with full NACE MR-0175 sour gas certification.

Double Block & Bleed Valves

2-Valve · 3-Valve · 5-Valve Manifolds

Stainless Steel 316 construction

ANSI 150 – 2500 Class · PN6 – PN250

NACE MR-0175 Sour Gas Certified

RF · RTJ · BS Flange Faces

Integral & Three Piece construction

Fire Safe · Gear Operated · Lock Handle options

Double Block & Bleed Valves

2-Valve · 3-Valve · 5-Valve Manifolds

Stainless Steel 316 construction

ANSI 150 – 2500 Class · PN6 – PN250

NACE MR-0175 Sour Gas Certified

RF · RTJ · BS Flange Faces

Integral & Three Piece construction

Fire Safe · Gear Operated · Lock Handle options

Primary Instrument IsolationDouble Block & Bleed Valves

Three connection families — Flange-to-Pipe, Flange-to-Flange, and Pipe-to-Pipe — covering every instrument isolation application. Available in Integral and Three Piece configurations across ANSI 150 to 2500 Class with RF, RTJ, and BS flange faces.

Flange-to-Pipe · Flange-to-Flange · Pipe-to-Pipe

ANSI 150 – 2500 Class · PN6 – PN250

RF · RTJ · BS Flange Faces

Ball-Needle-Ball · Ball-Ball-Ball · Needle · Ball-Needle

NACE MR-0175 · Fire Safe · Gear Operated

Browse DBB Valves
Double Block and Bleed Valves

Valve Manifolds
Instrument Isolation & EqualisingValve Manifolds

2-Valve, 3-Valve, and 5-Valve configurations for differential pressure transmitter mounting, process isolation, and equalising applications. Available in Integral and Three Piece configurations across ANSI 150 to 2500 Class with RF, RTJ, and BS flange faces.

2-Valve · 3-Valve · 5-Valve configurations

ANSI 150 – 2500 · PN6 – PN250

RF · RTJ · BS Flange Faces

Direct Mount · Remote Mount

NACE MR-0175 · Fire Safe · Gear Operated

Browse Valve Manifolds

Specify your instrumentation valve

Need a specific pressure class, connection type, or special service certification? Our technical team responds to instrumentation enquiries within 24 hours.

Contact Technical Team