Series 7021 NH3 Ammonia gauges
Standard gauge
specification
ENFM ammonia gauges are suitable for a medium, which does not clog connection port or corrode stainless steel. These gauges are suitable for NH3 service.
Sizes and weights Case:
Bezel:
Dial:
Pointer:
Window:
Bourdon tube:
Connection:
Movement:
Weather protection:
Accuracy:
Case size:
Connection:
Scale:
Stainless steel aisi 304
Crimped stainless steel aisi 304
White aluminum with blue and red lettering
Black aluminum
Acrylic
Stainless steel 316  'C' shaped
Stainless steel aisi 316 with field removable .012 threaded snubber
Stainless steel
IP 43
2-1-2% of span ASME B40.1 Grade A
2½" ( 63 mm )
1/4" NPT bottom connection
NH3/psi

Pressure range

-30"HG / 0 / 160 psi
-30"HG / 0 / 300 psi

Sizes and weights

Article number

RD232A3N211KZA2
RD232A3N214KZA2

Description

7021 2½" 1/4"NPT -30/160 PSI
7021 2½" 1/4"NPT -30/300 PSI