High Pressure Check Valves

Harwood Engineering high pressure check valves come in a variety of dimensions, depending on the application. See the images and table below for details on all of our check valves.

Features:

  • Service for liquids and gases at pressures up to 200,000 psi
  • Two types of construction – ball type for liquids and optical flat type for gases
  • Time-proven designs – in use for over 60 years

Options:

  • Stainless steel valves for water service
  • Custom design valves for special service

check valves LandMHigh Pressure Check Valves H

 High Pressure Check Valves F

 

 

PRESSURE RATING, PSI* OUTLET PORT INLET PORT DIMENSIONS, IN. VALVE NUMBER
A B  C (DIA.) FOR LIQUID FOR GAS
150,000 2M 2M 3 5/8 1 3/8 2 3/8 B-6943 B-6941
150,000 2M 1/4 NPT 3 5/8 1 3/8 2 3/8 B-6944 B-6942
200,000 3M 3M 4 1 3/4 3 B-6947 B-6946
200,000 3M 4L 4 1  9/16 3 B-7183 B-7138
200,000 3M 1/4 NPT 4 1 3/4 3 B-7181 B-7182
125,000 5M 5M 3 15/16 2 3 7/8 B-6955 B-6953
125,000 5M 1/4 NPT 3 15/16 1 1/8 2 7/8 B-6956 B-6954
150,000 6M 6M 4 1/4  5/8 2 3/8 B-6937 B-6935
150,000 6M 1/4 NPT 4 1/4 1 3/4 2 3/8 B-6938 B-6936
100,000 4L 4L 2 7/8  3/4 1 7/8 B-6199 B-6197
100,000 4L 1/4 NPT 2 7/8 1 1 7/8 B-6200 B-6198
60,000 6L 6L 4  1/16 1 1/8 2 3/8 B-6205 B-6203
60,000 6L 3/8 NPT 4  1/16 1 2 3/8 B-6206 B-6204
100,000 8L 8L 3 15/16 1 1/2 2 7/8 B-6961 B-6959
100,000 8L 3/8 NPT 3 15/16 1 1/8 2 7/8 B-6962 B-6960
60,000 9L-3 9L-3 4  1/16 1 3/8 2 3/8 B-6211 B-6209
60,000 9L-3 3/8 NPT 4  1/16 1 2 3/8 B-6212 B-6210
20,000 9L-5 9L-5 4  1/16 1 3/8 2 3/8 B-6217 B-6215
20,000 9L-5 3/4 NPT 4  1/16 1 3/8 2 3/8 B-6218 B-6216
200,000 12H-1 12H-1 5 1/4 4  5/16 3 B-6913 B-6908
200,000 12H-1 4L 5 1/4 1  9/16 3 B-6914 B-6909
200,000 12H-1 6L 5 1/4 1 13/16 3 B-6915 B-6910
200,000 12H-1 9L-3 5 1/4 2  1/16 3 B-6916 B-6911
200,000 12H-1 1/4 NPT 5 1/4 1 3/4 3 B-6917 B-6912
200,000 12H-2 12H-2 5 1/4 4  5/16 3 B-6928 B-6923
200,000 12H-2 4L 5 1/4 1  9/16 3 B-6929 B-6924
200,000 12H-2 6L 5 1/4 1 13/16 3 B-6930 B-6935
200,000 12H-2 9L-3 5 1/4 2  1/16 3 B-6931 B-6926
200,000 12H-2 1/4 NPT 5 1/4 1 3/4 3 B-6932 B-6927
50,000 15F 15F 6  1/16 2 7/8 2 1/2 C-4106 C-4104
50,000 15F 3/4 NPT 6  1/16 1  7/16 2 1/2 B-6965 B-6964
100,000 16F 16F 6 3 3 1/2 C-4112 C-4110
100,000 16F 1/2 NPT 6 1  7/16 3 1/2 B-6968 B-6967
50,000 24F 24F 7 1/2 3  3/16 3 1/2 C-4118 C-4116
50,000 24F 1″ NPT 7 1/2 1 15/16 3 1/2 C-4119 C-4117
* PRESSURE RATING APPLIES TO THE OUTLET PORT

Contact Harwood Engineering today to request more information from a high pressure equipment expert at 508-668-3600.