Series 8851 Process gauges
Standard gauge
specification
ENFM safety pattern process gauges are suitable for a medium, which does not clog connection port or corrode monel. These gauges are commonly used on heavy-duty service in industrial environments. The gauges have a solid front blow out back safety case.
Sizes and weights Case:

Bezel:
Dial:
Pointer:
Window:
Bourdon tube:

Connection:
Movement:
Weather protection:
Accuracy:
Case size:
Connection:
Scale:
Fiberglass reinforced thermoplastic with solid front between dial plate and 
measuring unit element complete with blow out back plate.
Fiberglass reinforced thermoplastic ring
White aluminum with black lettering
Black aluminum, adjustable micrometer pointer
Laminated safety glass
Monel:
£ 600 psi 'C' shaped
          > 600 psi helical
Monel
Stainless steel with mechanical underload/overload stop
IP 54
0.5 % of span ASME B40.1 Grade 2A
4½"
1/2" NPT bottom connection
psi

Pressure range

-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 / 150 psi
-30"HG / 0 / 200 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

0 - 1000 psi
0 - 1500 psi
0 - 2000 psi
0 - 3000 psi
0 - 4000 psi
0 - 5000 psi
0 - 6000 psi

0 - 10000 psi
0 - 15000 psi
0 - 20000 psi

Sizes and weights

Article number

SW687B8H000VB
SW687B8H201VB
SW687B8H203VB
SW687B8H205VB
SW687B8H208VB
SW687B8H210VB
SW687B8H212VB

SW687B8H301VB
SW687B8H303VB
SW687B8H306VB
SW687B8H309VB
SW687B8H312VB
SW687B8H314VB
SW687B8H317VB
SW687B8H319VB
SW687B8H321VB

SW687B8H323VB
SW687B8H324VB
SW687B8H325VB
SW687B8H327VB
SW687B8H329VB
SW687B8H331VB
SW687B8H332VB

SW687B8H334VB
SW687B8H335VB
SW687B8H336VB

Description

8851 4½" 1/2"NPT -30/0"HG
8851 4½" 1/2"NPT -30/15 PSI
8851 4½" 1/2"NPT -30/30 PSI
8851 4½" 1/2"NPT -30/60 PSI
8851 4½" 1/2"NPT -30/100 PSI
8851 4½" 1/2"NPT -30/150 PSI
8851 4½" 1/2"NPT -30/200 PSI

8851 4½" 1/2"NPT 0/15 PSI
8851 4½" 1/2"NPT 0/30 PSI
8851 4½" 1/2"NPT 0/60 PSI
8851 4½" 1/2"NPT 0/100 PSI
8851 4½" 1/2"NPT 0/160 PSI
8851 4½" 1/2"NPT 0/200 PSI
8851 4½" 1/2"NPT 0/300 PSI
8851 4½" 1/2"NPT 0/400 PSI
8851 4½" 1/2"NPT 0/600 PSI

8851 4½" 1/2"NPT 0/1000 PSI
8851 4½" 1/2"NPT 0/1500 PSI
8851 4½" 1/2"NPT 0/2000 PSI
8851 4½" 1/2"NPT 0/3000 PSI
8851 4½" 1/2"NPT 0/4000 PSI
8851 4½" 1/2"NPT 0/5000 PSI
8851 4½" 1/2"NPT 0/6000 PSI

8851 4½" 1/2"NPT 0/10000 PSI
8851 4½" 1/2"NPT 0/15000 PSI
8851 4½" 1/2"NPT 0/20000 PSI