Dwyer Omega – Series OP, PE & TE Orifice Plate Flowmeters

Dwyer Omega – Series OP, PE & TE Orifice Plate Flowmeters

The Series OP Orifice Plate Flowmeters are a complete flow metering package. They incorporate a stainless steel orifice plate with a unique holder or carrier ring containing metering taps and integral gaskets. The Series OP is available in line sizes from 1/2˝ to 24˝ and can be used with compatible liquids and gases.

Service

OP & TE: Compatible liquids and gases; PE: Clean air and compatible gases.

Wetted Material

OP: 304 SS, Buna-N gaskets; PE: Gray PVC, Buna-N gaskets; TE: PTFE, Buna-N gaskets.

Accuracy

0.6% FS. (Beta = .2-.6) ±0.7% for Beta greater than .6.

Temperature Limits

OP: -50 to 200°F (-45 to 93°C); PE: 140°F (60°C) max; TE: -40 to 200°F (-40 to 93.3°C)

Pressure Limits

OP: Limited only by pipe and flange rating restrictions.

Head Loss

1-Beta ratio2 eg: 1-0.72 = 1-0.49 = 51% of the d.p

Line Sizes

1/2˝ to 24˝

Process Connection

1/4˝ female NPT

Installation

Standard flange. OP: Any rating (orifice flanges not required); PE & TE: 125#/150# rating

Pipe Requirements

General requirements 10 diameter upstream and 5 diameter downstream of orifice plate

Weight

Varies with line size