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Instrumentation Process Control - AR Thomson Group

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Valves<br />

Pressure Regulators<br />

Metering Valves<br />

Valve <strong>Group</strong>s<br />

Metering<br />

Valves<br />

Model<br />

Series<br />

NS<br />

NM<br />

NL<br />

HR<br />

Maximum<br />

Operating<br />

Pressure<br />

2000 psi<br />

138 bar<br />

1000 psi<br />

69 bar<br />

1000 psi<br />

69 bar<br />

250 psi<br />

17 bar<br />

N Series (Catalog 4170-N)<br />

Panel or in-line mounting<br />

Angle or in-line patterns<br />

HR Series (Catalog 4170-HR)<br />

Bubble tight shut-off capability<br />

High resolution metering valve with<br />

limited hysteresis<br />

Temperature Cv Body Material Seat Material End Connections<br />

Stainless Steel<br />

Buna-N Rubber<br />

Ethylene Propylene<br />

Rubber<br />

Highly Fluorinated<br />

Fluorocarbon<br />

Brass<br />

Min Max Max<br />

-50 F<br />

-46 C<br />

400 F<br />

204 C<br />

0.040 x x x x x x x<br />

-50 F<br />

-46 C<br />

400 F<br />

204 C<br />

0.100 x x x x x x x<br />

-50 F<br />

-46 C<br />

400 F<br />

204 C<br />

0.200 x x x x x x x<br />

-50 F<br />

-46 C<br />

400 F<br />

204 C<br />

0.100 x x x x x x x<br />

Fluorocarbon Rubber<br />

Neoprene Rubber<br />

Quick Couplings<br />

Valve stem threads not in contact<br />

with process fl uid<br />

Seven optional valve stem tapers<br />

Min Max<br />

1/16 in 1/4 in<br />

3mm 6mm<br />

1/8 in 1/4 in<br />

3mm 6mm<br />

1/8 in<br />

6mm<br />

3/8 in<br />

1/16 in 1/4 in<br />

3mm 6mm<br />

Pipe Fittings<br />

Catalog<br />

4170-N<br />

4170-N<br />

4170-N<br />

4170-HR<br />

13

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