Harwood
Engineering Company, Inc.
Check
Valves
For Pressures to 200,000 psi
Features
-
Service for gases or liquids
-
Two types of construction
-
Ball type for liquids
-
Optional flat type for gases
-
Time-proven designs... in use for 25 years
Options
-
Stainless steel valves for water service
-
Custom design valves for special service
|
|
|
|
Dimensions, inches
|
Valve Number
|
|
Pressure Rating, psi*
|
Outlet Port**
|
Inlet Port**
|
A
|
B
|
C (dia.)
|
for Gas
|
for Liquid
|
|
150,000
|
2M
|
2M
|
3 5/8
|
1 3/8
|
2 3/8
|
B-6941
|
B-6943
|
|
150,000
|
2M
|
¼ NPT
|
3 5/8
|
1 3/8
|
2 3/8
|
B-6942
|
B-6944
|
|
200,000
|
3M
|
3M
|
4
|
1 ¾
|
3
|
B-6946
|
B-6947
|
|
200,000
|
3M
|
4L
|
4
|
1 9/16
|
3
|
B-7138
|
B-7183
|
|
200,000
|
3M
|
¼ NPT
|
4
|
1 ¾
|
3
|
B-7182
|
B-7181
|
|
125,000
|
5M
|
5M
|
3 15/16
|
2
|
3 7/8
|
B-6953
|
B-6955
|
|
125,000
|
5M
|
¼ NPT
|
3 15/16
|
1 1/8
|
2 7/8
|
B-6954
|
B-6956
|
|
150,000
|
6M
|
6M
|
4 ¼
|
5/8
|
2 3/8
|
B-6935
|
B-6937
|
|
150,000
|
6M
|
¼ NPT
|
4 ¼
|
1 ¾
|
2 3/8
|
B-6936
|
B-6938
|
|
100,000
|
4L
|
4L
|
2 7/8
|
¾
|
1 7/8
|
B-6197
|
B-6199
|
|
100,000
|
4L
|
¼ NPT
|
2 7/8
|
1
|
1 7/8
|
B-6198
|
B-6200
|
|
60,000
|
6L
|
6L
|
4 1/16
|
1 1/8
|
2 3/8
|
B-6203
|
B-6205
|
|
60,000
|
6L
|
3/8 NPT
|
4 1/16
|
1
|
2 3/8
|
B-6204
|
B-6206
|
|
100,000
|
8L
|
8L
|
3 15/16
|
1 ½
|
2 7/8
|
B-6959
|
B-6961
|
|
100,000
|
8L
|
3/8 NPT
|
3 15/16
|
1 1/8
|
2 7/8
|
B-6960
|
B-6962
|
|
60,000
|
9L-3
|
9L-3
|
4 1/16
|
1 3/8
|
2 3/8
|
B-6209
|
B-6211
|
|
60,000
|
9L-3
|
3/8 NPT
|
4 1/16
|
1
|
2 3/8
|
B-6210
|
B-6212
|
|
20,000
|
9L-5
|
9L-5
|
4 1/16
|
1 3/8
|
2 3/8
|
B-6215
|
B-6217
|
|
20,000
|
9L-5
|
¾ NPT
|
4 1/16
|
1 3/8
|
2 3/8
|
B-6216
|
B-6218
|
|
200,000
|
12H-1
|
12H-1
|
5 ¼
|
4 5/16
|
3
|
B-6908
|
B-6913
|
|
200,000
|
12H-1
|
4L
|
5 ¼
|
1 9/16
|
3
|
B-6909
|
B-6914
|
|
200,000
|
12H-1
|
6L
|
5 ¼
|
1 13/16
|
3
|
B-6910
|
B-6915
|
|
200,000
|
12H-1
|
9L-3
|
5 ¼
|
2 1/16
|
3
|
B-6911
|
B-6916
|
|
200,000
|
12H-1
|
¼ NPT
|
5 ¼
|
1 ¾
|
3
|
B-6912
|
B-6917
|
|
200,000
|
12H-2
|
12H-2
|
5 ¼
|
4 5/16
|
3
|
B-6923
|
B-6928
|
|
200,000
|
12H-2
|
4L
|
5 ¼
|
1 9/16
|
3
|
B-6924
|
B-6929
|
|
200,000
|
12H-2
|
6L
|
5 ¼
|
1 13/16
|
3
|
B-6925
|
B-6930
|
|
200,000
|
12H-2
|
9L-3
|
5 ¼
|
2 1/16
|
3
|
B-6926
|
B-6931
|
|
200,000
|
12H-2
|
¼ NPT
|
5 ¼
|
1 ¾
|
3
|
B-6927
|
B-6932
|
|
50,000
|
15F
|
15F
|
6 1/16
|
2 7/8
|
2 ½
|
C-4104
|
C-4106
|
|
50,000
|
15F
|
¾ NPT
|
6 1/16
|
1 7/16
|
2 ½
|
B-6964
|
B-6965
|
|
100,000
|
16F
|
16F
|
6
|
3
|
3 ½
|
C-4110
|
C-4112
|
|
100,000
|
16F
|
½ NPT
|
6
|
1 7/16
|
3 ½
|
B-6967
|
B-6968
|
|
50,000
|
24F
|
24F
|
7 ½
|
3 3/16
|
3 ½
|
C-4116
|
C-4118
|
|
50,000
|
24F
|
1" NPT
|
7 ½
|
1 15/16
|
3 ½
|
C-4117
|
C-4119
|
*Pressure rating applies to the outlet port
**High pressure ports per Harwood Engineering standard
Harwood Engineering Company, Incorporated – © May, 1999
455 South Street, Walpole, Massachusetts 02081
phone: 508-668-3600
fax: 508-660-2276
http://www.ultranet.com/~harwood/
email: harwood@ma.ultranet.com