Harwood Engineering Company Datasheets for Industrial Valves

Valves are mechanical devices that control the flow and pressure of liquids, gases, and slurries within a system. They are also known as regulators and are used in a wide variety of applications. Valves vary greatly in size, design, function, and operation.
Industrial Valves: Learn more

Product Name Notes
Air Operated Toggle Valve -- E-3793-A
Air Operated Toggle Valve -- E-3793-B
Air Operated Toggle Valve -- E-3793-C
Air Operated Toggle Valve -- E-3793-D
Air Operated Toggle Valve -- E-3793-E
Air Operated Toggle Valve -- E-3793-F
Air Operated Toggle Valve -- E-3793-G
Air Operated Toggle Valve -- E-3793-H
Air Operated Toggle Valve -- E-3793-J
Air Operated Toggle Valve -- E-3793-K
Air Operated Toggle Valve -- E-3793-L
Air Operated Toggle Valve -- E-3793-M
Air Operated Toggle Valve -- E-3793-N
Air Operated Toggle Valve -- E-3793-O
Air Operated Toggle Valve -- E-3793-P
Air Operated Toggle Valve -- E-3879-A
Air Operated Toggle Valve -- E-3879-B
Air Operated Toggle Valve -- E-3879-C
Air Operated Toggle Valve -- E-3879-D
Air Operated Toggle Valve -- E-3879-E
Air Operated Toggle Valve -- E-3879-F
Air Operated Toggle Valve -- E-3879-G
Air Operated Toggle Valve -- E-3879-H
Air Operated Toggle Valve -- E-3879-J
Air Operated Toggle Valve -- E-3879-K
Air Operated Toggle Valve -- E-3879-L
Air Operated Toggle Valve -- E-3879-M
Air Operated Toggle Valve -- E-3879-N
Air Operated Toggle Valve -- E-3879-O
Air Operated Toggle Valve -- E-3879-P
Air Operated Toggle Valve -- E-3881-A
Air Operated Toggle Valve -- E-3881-B
Air Operated Toggle Valve -- E-3881-C
Air Operated Toggle Valve -- E-3881-D
Air Operated Toggle Valve -- E-3881-E
Air Operated Toggle Valve -- E-3881-F
Air Operated Toggle Valve -- E-3881-G
Air Operated Toggle Valve -- E-3881-H
Air Operated Toggle Valve -- E-3881-J
Air Operated Toggle Valve -- E-3881-K
Air Operated Toggle Valve -- E-3881-L
Air Operated Toggle Valve -- E-3881-M
Air Operated Toggle Valve -- E-3882-A
Air Operated Toggle Valve -- E-3882-B
Air Operated Toggle Valve -- E-3882-C
Air Operated Toggle Valve -- E-3882-D
Air Operated Toggle Valve -- E-3882-E
Air Operated Toggle Valve -- E-3882-F
Air Operated Toggle Valve -- E-3882-G
Air Operated Toggle Valve -- E-3882-H
Air Operated Toggle Valve -- E-3882-J
Air Operated Toggle Valve -- E-3882-K
Air Operated Toggle Valve -- E-3882-L
Air Operated Toggle Valve -- E-3882-M
Air Operated Toggle Valve -- E-3892-A
Air Operated Toggle Valve -- E-3892-B
Air Operated Toggle Valve -- E-3893-A
Air Operated Toggle Valve -- E-3893-B
Air Operated Toggle Valve -- E-3894-A
Air Operated Toggle Valve -- E-3894-B
Air Operated Toggle Valve -- E-3895-A
Air Operated Toggle Valve -- E-3895-B
Features Dual-position valves: normally open or normally closed Service for gases or for liquids Air actuator operating pressure of 3-60 PSI Replaceable seats, needles, and packings Options Stainless steel valves...
Needle Valve -- C-4132
Needle Valve -- C-4133
Needle Valve -- C-4134
Needle Valve -- C-4134
Needle Valve -- C-4135
Needle Valve -- C-4135
Needle Valve -- C-4136
Needle Valve -- C-4137
Needle Valve -- C-4138
Needle Valve -- C-4139
Needle Valve -- C-4140
Needle Valve -- C-4141
Needle Valve -- C-4142
Needle Valve -- C-4143
Needle Valve -- D-3156
Needle Valve -- D-3157
Needle Valve -- D-3158
Needle Valve -- D-3159
Needle Valve -- D-3160
Needle Valve -- D-3161
Needle Valve -- D-3162
Needle Valve -- D-3163
Needle Valve -- D-3164
Needle Valve -- D-3165
Needle Valve -- D-3165
Needle Valve -- D-3166
Needle Valve -- D-3166
Features Service for liquids and gases for pressures up to 150,000 psi. Manually-operated. Low torque; easily closed against pressure. Replaceable seat and packings. Throttling capacity; sensitive feel. Non-rotating needle; no...
Release Valve -- D-2454-12H
Release Valve -- D-2454-4L
Release Valve -- D-2454-5M
Release Valve -- D-2454-6L
Release Valve -- D-2454-8L
Features Service for liquids and gases for pressures up to 200,000 psi. Hydraulically-operated. Replaceable seat and packings. Hydraulic control pressure of 1,000-1,500 psi. Hydraulic control ports are ¼NPT. Options Stainless...
High Pressure Check Valve -- B-6197
High Pressure Check Valve -- B-6198
High Pressure Check Valve -- B-6199
High Pressure Check Valve -- B-6200
High Pressure Check Valve -- B-6203
High Pressure Check Valve -- B-6204
High Pressure Check Valve -- B-6205
High Pressure Check Valve -- B-6206
High Pressure Check Valve -- B-6209
High Pressure Check Valve -- B-6210
High Pressure Check Valve -- B-6211
High Pressure Check Valve -- B-6212
High Pressure Check Valve -- B-6215
High Pressure Check Valve -- B-6216
High Pressure Check Valve -- B-6217
High Pressure Check Valve -- B-6218
High Pressure Check Valve -- B-6908
High Pressure Check Valve -- B-6909
High Pressure Check Valve -- B-6910
High Pressure Check Valve -- B-6911
High Pressure Check Valve -- B-6912
High Pressure Check Valve -- B-6913
High Pressure Check Valve -- B-6914
High Pressure Check Valve -- B-6915
High Pressure Check Valve -- B-6916
High Pressure Check Valve -- B-6917
High Pressure Check Valve -- B-6923
High Pressure Check Valve -- B-6924
High Pressure Check Valve -- B-6925
High Pressure Check Valve -- B-6926
High Pressure Check Valve -- B-6927
High Pressure Check Valve -- B-6928
High Pressure Check Valve -- B-6929
High Pressure Check Valve -- B-6930
High Pressure Check Valve -- B-6931
High Pressure Check Valve -- B-6932
High Pressure Check Valve -- B-6935
High Pressure Check Valve -- B-6936
High Pressure Check Valve -- B-6937
High Pressure Check Valve -- B-6938
High Pressure Check Valve -- B-6941
High Pressure Check Valve -- B-6942
High Pressure Check Valve -- B-6943
High Pressure Check Valve -- B-6944
High Pressure Check Valve -- B-6946
High Pressure Check Valve -- B-6947
High Pressure Check Valve -- B-6953
High Pressure Check Valve -- B-6954
High Pressure Check Valve -- B-6955
High Pressure Check Valve -- B-6956
High Pressure Check Valve -- B-6959
High Pressure Check Valve -- B-6960
High Pressure Check Valve -- B-6961
High Pressure Check Valve -- B-6962
High Pressure Check Valve -- B-6964
High Pressure Check Valve -- B-6965
High Pressure Check Valve -- B-6967
High Pressure Check Valve -- B-6968
High Pressure Check Valve -- B-7138
High Pressure Check Valve -- B-7181
High Pressure Check Valve -- B-7182
High Pressure Check Valve -- B-7183
High Pressure Check Valve -- C-4104
High Pressure Check Valve -- C-4106
High Pressure Check Valve -- C-4110
High Pressure Check Valve -- C-4112
High Pressure Check Valve -- C-4116
High Pressure Check Valve -- C-4117
High Pressure Check Valve -- C-4118
High Pressure Check Valve -- C-4119
Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter and the other for fluid to leave. These valves allow fluids to...