Series 1521 Mechanical diaphragm pressure gauges
Standard gauge
specifications

ENFM's stainless steel diaphragm pressure gauges are suitable for applications involving viscous or crystallizing media in harsh environments such as chemical, petrochemical, water and sewage treatment plants and pulp and paper industry.
Sizes & weights Case:
Bezel:
Dial:
Pointer:
Window:
Diaphragm:
Connection:
Movement:
Accuracy:
Overrange protection:

Weather protection:
Size:
Connection:
Stainless steel AISI 304
Stainless steel AISI 304 polished bayonet ring
White aluminum with black or black and blue scales
Black aluminum adjustable
Laminated safety glass
Stainless steel AISI 316
Stainless steel AISI 316
Stainless steel
1.6 % of span
≤ 100 psi: 5x of span
> 100 psi: maximum of 600 psi
IP54
4"      (100 mm)
1/2" NPT bottom connection
Pressure ranges
Flange size
-30"HG / 0
-30"HG / 0 /   15 psi
-30"HG / 0 /   30 psi
-30"HG / 0 /   60 psi
-30"HG / 0 / 100 psi
-30"HG / 0 / 160 psi
-30"HG / 0 / 200 psi

0 -   10 psi
0 -   15 psi
0 -   30 psi
0 -   60 psi
0 - 100 psi
0 - 160 psi
0 - 200 psi
0 - 300 psi
0 - 400 psi
0 - 600 psi

Flange size
0 -     5 "H2O
0 -   10 "H2O
0 -   15 "H2O
0 -   30 "H2O
0 -   60 "H2O
0 - 100 "H2O
0 - 200 "H2O
Article number
4"      (100 mm)
M18116572000VB
M18116572201VB
M18116572203VB
M18116572205VB
M18116572208VB
M18116572211VB
M18116572212VB

M18116572300VB
M18116572301VB
M18116572303VB
M18116572306VB
M18116572309VB
M18116572312VB

M18116572314VB
M18116572317VB
M18116572319VB
M18116572321VB

5.6"      (140 mm)
M18116572150VM
M18116572151VM
M18116572152VM
M18116572155VM
M18116572158VM
M18116572160VM
M18116572163VM
Description

1521 4" 1/2"NPT -30"HG
1521 4" 1/2"NPT -30"/15PSI
1521 4" 1/2"NPT -30"/30PSI
1521 4" 1/2"NPT -30"/60PSI
1521 4" 1/2"NPT -30"/100PSI
1521 4" 1/2"NPT -30"/160PSI
1521 4" 1/2"NPT -30"/200PSI

1521 4" 1/2"NPT 10 PSI
1521 4" 1/2"NPT 15 PSI
1521 4" 1/2"NPT 30 PSI
1521 4" 1/2"NPT 60 PSI
1521 4" 1/2"NPT 100 PSI
1521 4" 1/2"NPT 160 PSI
1521 4" 1/2"NPT 200 PSI
1521 4" 1/2"NPT 300 PSI
1521 4" 1/2"NPT 400 PSI
1521 4" 1/2"NPT 600 PSI


1521 4" 1/2"NPT 5"H2O
1521 4" 1/2"NPT 10"H2O
1521 4" 1/2"NPT 15"H2O
1521 4" 1/2"NPT 30"H2O
1521 4" 1/2"NPT 60"H2O
1521 4" 1/2"NPT 100"H2O
1521 4" 1/2"NPT 200"H2O
Sizes & weights