John C. Ernst Co, Inc.
John C. Ernst Co, Inc.
21 Gail Court
Sparta, NJ 07871-3438
USA

Toll Free: 888.943.5000
Phone: 973.940.1600
Fax: 973.940.1620
Email: sales@johnernst.com
Website: www.johnernst.com
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  • Full Protective Shield Around Inner Glass Tube
S21 Series Full View Plastic Sight Flow Indicators
Unit of Measure
1 

Model #

Size

Material

Pressure Rating

Length

S21T-HX-07A-C N/A 3/4 in N/A PTFE/Fluorocarbon (FKM) N/A 110 PSIG @ 140 ºF 140 PSIG @ 75 ºF N/A 4.75 in
S21T-KX-07A-C N/A 3/4 in N/A PTFE/Fluorocarbon (FKM) N/A 120 PSIG @ 75 ºF 60 PSIG @ 225 ºF N/A 4.75 in
S21T-GX-07A-C N/A 3/4 in N/A Polypropylene/Fluorocarbon (FKM) N/A 50 PSIG @ 185 ºF N/A 4.75 in
S21T-KX-05A-C N/A 1/2 in N/A PTFE/Fluorocarbon (FKM) N/A 120 PSIG @ 75 ºF 60 PSIG @ 225 ºF N/A 4.75 in
S21T-GX-05A-C N/A 1/2 in N/A Polypropylene/Fluorocarbon (FKM) N/A 50 PSIG @ 185 ºF N/A 4.75 in
S21T-HX-05A-C N/A 1/2 in N/A PTFE/Fluorocarbon (FKM) N/A 110 PSIG @ 140 ºF 140 PSIG @ 75 ºF N/A 4.75 in
S21T-GX-10A-C N/A 1 in N/A Polypropylene/Fluorocarbon (FKM) N/A 50 PSIG @ 185 ºF N/A 5.25 in
S21T-HX-10A-C N/A 1 in N/A PTFE/Fluorocarbon (FKM) N/A 110 PSIG @ 140 ºF 140 PSIG @ 75 ºF N/A 5.25 in
S21T-KX-10A-C N/A 1 in N/A PTFE/Fluorocarbon (FKM) N/A 120 PSIG @ 75 ºF 60 PSIG @ 225 ºF N/A 5.25 in
S21T-HX-12A-C N/A 1-1/4 in N/A PTFE/Fluorocarbon (FKM) N/A 110 PSIG @ 140 ºF 140 PSIG @ 75 ºF N/A 5.88 in
S21T-GX-12A-C N/A 1-1/4 in N/A Polypropylene/Fluorocarbon (FKM) N/A 50 PSIG @ 185 ºF N/A 5.88 in
S21T-HX-15A-C N/A 1-1/2 in N/A PTFE/Fluorocarbon (FKM) N/A 110 PSIG @ 140 ºF 140 PSIG @ 75 ºF N/A 5.88 in
S21T-GX-15A-C N/A 1-1/2 in N/A Polypropylene/Fluorocarbon (FKM) N/A 50 PSIG @ 185 ºF N/A 5.88 in
S21T-GX-20A-C N/A 2 in N/A Polypropylene/Fluorocarbon (FKM) N/A 50 PSIG @ 185 ºF N/A 7.38 in
S21T-HX-20A-C N/A 2 in N/A PTFE/Fluorocarbon (FKM) N/A 110 PSIG @ 140 ºF 140 PSIG @ 75 ºF N/A 7.38 in
S21T-HX-30A-C N/A 3 in N/A PTFE/Fluorocarbon (FKM) N/A 90 PSIG @ 140 ºF 100 PSIG @ 75 ºF N/A 8.38 in
S21T-GX-30A-C N/A 3 in N/A Polypropylene/Fluorocarbon (FKM) N/A 50 PSIG @ 185 ºF N/A 8.38 in
Unit of Measure
1