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NEEDLE VALVES

Made in accordance with MSS - SP - 99

Sizes: 1/4" to 1"

Materials: SS 316, SS 316 L, Carbon steel, Duplex Steel, Super Duplex Steel, Monel, Inconel, Hastelloy. Materials in accordance with NACE MR 0175 are also available on request.

End connections: NTP, BSP, BSPT, Metric, SW, BW, Compression fittings ends.

Maximum working pressure: Up to 690 bar/ 10000 PSI at 100°C.
Ask for pressure temperature chart for high temperature applications.

Gland packing: PTFE / Graphite

Straight and angle configurations are available as per requirements.

Standard construction is integral metal seat, soft seat valves are available on request.

Needle Valves

GAUGE VALVES

Made in accordance with MSS - SP - 99.
Bleed screw, vent plug or multiport options are there to choose according to the application.

Sizes: 1/4" to 1/2"

Materials: SS 316, SS 316 L, Carbon steel, Duplex Steel, Super Duplex Steel, Monel, Inconel, Hastelloy. Materials in accordance with NACE MR 0175 are also available on request.

End connections: NTP, BSP, BSPT, Metric, SW, BW, Compression fittings ends.

Maximum working pressure: Up to 690 bar/ 10000 PSI at 100°C.
Ask for pressure temperature chart for high temperature applications.

Gland packing: PTFE / Graphite

Standard construction is integral metal seat, soft seat valves are available on request.

Gauge Valves

2 VALVE MANIFOLDS

Made in accordance with MSS - SP - 99. These valves are used for isolation and drain of instruments. Drain port can also be used for calibration.

Materials: SS 316, SS 316 L, Carbon steel, Duplex Steel, Super Duplex Steel, Monel, Inconel, Hastelloy. Materials in accordance with NACE MR 0175 are also available on request.

Standard process connection: 1/2" NPT

Standard instrument connections: 1/2" NPT or flanged

Maximum working pressure: Up to 690 bar/ 10000 PSI at 100°C.
Ask for pressure temperature chart for high temperature applications.

Gland packing: PTFE / Graphite

Remote mounting & Direct mounting options are there with various models and types.

Standard construction is integral metal seat, soft seat valves are available on request.

2 Valve Manifolds

2 VALVE MANIFOLDS

Made in accordance with MSS - SP - 99. These valves are used for isolation and drain of instruments. Drain port can also be used for calibration.

Materials: SS 316, SS 316 L, Carbon steel, Duplex Steel, Super Duplex Steel, Monel, Inconel, Hastelloy. Materials in accordance with NACE MR 0175 are also available on request.

Standard process connection: 1/2" NPT

Standard instrument connections: 1/2" NPT or flanged

Maximum working pressure: Up to 690 bar/ 10000 PSI at 100°C.
Ask for pressure temperature chart for high temperature applications.

Gland packing: PTFE / Graphite

Remote mounting & Direct mounting options are there with various models and types.

Standard construction is integral metal seat, soft seat valves are available on request.

2 Valve Manifolds

3 VALVE MANIFOLDS

Made in accordance with MSS - SP - 99. These valves are used with differential pressure measuring instruments.

Materials: SS 316, SS 316 L, Carbon steel, Duplex Steel, Super Duplex Steel, Monel, Inconel, Hastelloy. Materials in accordance with NACE MR 0175 are also available on request.

Standard process connection: 1/2" NPT, G1/2

Standard instrument connections: 1/2" NPT, G1/2 or flanged

Maximum working pressure: Up to 690 bar/ 10000 PSI at 100°C.
Ask for pressure temperature chart for high temperature applications.

Gland packing: PTFE / Graphite

Remote mounting & Direct mounting options are there with various models and types.

Standard construction is integral metal seat, soft seat valves are available on request.

3 Valve Manifolds

5 VALVE MANIFOLDS

Made in accordance with MSS - SP - 99. These valves are used with differential pressure measuring instruments.

Materials: SS 316, SS 316 L, Carbon steel, Duplex Steel, Super Duplex Steel, Monel, Inconel, Hastelloy. Materials in accordance with NACE MR 0175 are also available on request.

Standard process connection: 1/2" NPT, G1/2

Standard instrument connections: 1/2" NPT, G1/2 or flanged

Maximum working pressure: Up to 690 bar/ 10000 PSI at 100°C.
Ask for pressure temperature chart for high temperature applications.

Gland packing: PTFE / Graphite

Remote mounting & Direct mounting options are there with various models and types.

Standard construction is integral metal seat, soft seat valves are available on request.

5 Valve Manifolds

INSTRUMENT MONOFLANGES

These valves offer a flanged inlet and threaded outlet to connect to the pressure measuring instrument. Isolation, block and bleed and double block and bleed options available to suit different needs.

Materials: SS 316, SS 316 L, Carbon steel, Duplex Steel, Super Duplex Steel, Monel, Inconel, Hastelloy. Materials in accordance with NACE MR 0175 are also available on request.

Process connections: 1/2" to 4" 150 to 2500 # flanged. RF or RTJ

Standard instrument connections: 1/2" NPT F

Maximum working pressure: Up to 413 bar/ 6000 PSI at 100°C.
Ask for pressure temperature chart for high temperature applications.

Instrument Monoflanges

INSTRUMENT DOUBLE BLOCK & BLEED VALVES

Available in all needle and ball needle ball combinations.

Materials: SS 316, SS 316 L, Carbon steel, Duplex Steel, Super Duplex Steel, Monel, Inconel, Hastelloy. Materials in accordance with NACE MR 0175 are also available on request.

Process connections: 1/2" NPT or flanged

Standard instrument connections: 1/2" NPT

Maximum working pressure: Up to 10000 bar/ 690 PSI Bar at 100°C.
Ask for pressure temperature chart for high temperature applications.

Gland packing: PTFE / Graphite

Flanged configuration is also available.

Instrument Double Block and Bleed

DISTRIBUTION HEADERS

Ball Valve Header

Ball Valve Header

Needle Valve Header

Needle Valve Header

BALL VALVES

Available in low pressure and high pressure models.

ABV 1 series - Maximum working pressure 2000 PSI
ABV 2 series - Maximum working pressure 6000 & 10000 PSI

Sizes: 1/4" to 1"

Materials: SS 316, SS 316 L, Carbon steel, Duplex Steel, Super Duplex Steel, Monel, Inconel, Hastelloy. Materials in accordance with NACE MR 0175 are also available on request.

End connections: NPT, BSP, BSPT, SW, BW, compression tube ends

Seat and seal: PEEK, PTFE and Delrin

Ball Valves

PRESSURE GAUGE ACCESSORIES

Dartex offers a range of accessories for different instrumentation applications.

Pressure Gauge Accessories

INSTRUMENTATION TUBE AND PIPE FITTINGS

Sizes: Suitable for 1/8" to 1" and 3 mm to 25 mm tubes, NPT, BSPT, BSP and metric threads are available.
Materials: SS 316, SS 316 L, Carbon steel, Brass. Special materials are available on request.
Pressure rating: Up to 10000 PSI
Testing standard: ASTM F 1387

Instrumentation Tube and Pipe Fittings