Precision Metal Orifices - Circular Disk On O'Keefe Controls Co.

Precision orifice assemblies that adapt to common fittings used in process instruments and hydraulic systems are shown. Types K4, R4 and RG4 are used with nominal 1/4" tube fittings. Type BFS is for 45° flare fittings and Type CFJ is for 37° flare fittings. Type OD is a pipe adapter.

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Orifice Diameter (in)

Nominal Orifice Size

C_V

Gasket Retainer

Part Number	Orifice Diameter	Material	C_V	Add To Cart/Request Quote

R4-29-SS	N/A 0.029 in	N/A 316 SS	N/A 0.019	Add To Cart Request Quote
R4-31-SS	N/A 0.031 in	N/A 316 SS	N/A 0.022	Add To Cart Request Quote
R4-32-SS	N/A 0.032 in	N/A 316 SS	N/A 0.024	Add To Cart Request Quote
R4-33-SS	N/A 0.033 in	N/A 316 SS	N/A 0.025	Add To Cart Request Quote
R4-35-SS	N/A 0.035 in	N/A 316 SS	N/A 0.028	Add To Cart Request Quote
R4-37-SS	N/A 0.037 in	N/A 316 SS	N/A 0.031	Add To Cart Request Quote
R4-38-SS	N/A 0.038 in	N/A 316 SS	N/A 0.032	Add To Cart Request Quote
R4-39-SS	N/A 0.039 in	N/A 316 SS	N/A 0.033	Add To Cart Request Quote
R4-40-SS	N/A 0.04 in	N/A 316 SS	N/A 0.036	Add To Cart Request Quote
R4-41-SS	N/A 0.041 in	N/A 316 SS	N/A 0.038	Add To Cart Request Quote
R4-42-SS	N/A 0.042 in	N/A 316 SS	N/A 0.039	Add To Cart Request Quote
R4-43-SS	N/A 0.043 in	N/A 316 SS	N/A 0.041	Add To Cart Request Quote
R4-47-SS	N/A 0.047 in	N/A 316 SS	N/A 0.048	Add To Cart Request Quote
R4-52-SS	N/A 0.052 in	N/A 316 SS	N/A 0.059	Add To Cart Request Quote
R4-55-SS	N/A 0.055 in	N/A 316 SS	N/A 0.068	Add To Cart Request Quote
R4-60-SS	N/A 0.06 in	N/A 316 SS	N/A 0.081	Add To Cart Request Quote
R4-63-SS	N/A 0.063 in	N/A 316 SS	N/A 0.088	Add To Cart Request Quote
R4-67-SS	N/A 0.0670 in	N/A 316 SS	N/A 0.100	Add To Cart Request Quote
R4-70-SS	N/A 0.0700 in	N/A 316 SS	N/A 0.110	Add To Cart Request Quote
R4-73-SS	N/A 0.0730 in	N/A 316 SS	N/A 0.120	Add To Cart Request Quote
R4-76-SS	N/A 0.0760 in	N/A 316 SS	N/A 0.130	Add To Cart Request Quote
R4-79-SS	N/A 0.0790 in	N/A 316 SS	N/A 0.140	Add To Cart Request Quote
R4-81-SS	N/A 0.0810 in	N/A 316 SS	N/A 0.150	Add To Cart Request Quote
R4-86-SS	N/A 0.0860 in	N/A 316 SS	N/A 0.170	Add To Cart Request Quote
R4-89-SS	N/A 0.0890 in	N/A 316 SS	N/A 0.180	Add To Cart Request Quote

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First Name ^*
Last Name ^*
Company ^*
Country ^*
Zip/Postal Code ^*

Email ^*
First Name ^*
Last Name ^*
Company ^*
Country ^*
Zip/Postal Code ^*
Phone Number

No Preference
0.0039
0.0051
0.0059
0.0071
0.0079
0.0091
0.0102
0.011
0.0122
0.013
0.0142
0.015
0.016
0.017
0.018
0.019
0.02
0.021
0.022
0.023
0.024
0.025
0.026
0.027
0.028
0.029
0.031
0.032
0.033
0.035
0.037
0.038
0.039
0.04
0.041
0.042
0.043
0.047
0.052
0.055
0.06
0.063
0.0670
0.0700
0.0730
0.0760
0.0790
0.0810
0.0860
0.0890
0.0940
0.0960
0.1000
0.1040
0.1090
0.1130
0.1200
0.1250

No Preference
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
31
32
33
35
37
38
39
40
41
42
43
47
52
55
60
63
67
70
73
76
79
81
86
89
94
96
100
104
109
113
120
125

No Preference
0.00035
0.00061
0.00086
0.0012
0.0015
0.0019
0.0025
0.0028
0.0034
0.0038
0.0043
0.005
0.0055
0.0067
0.0073
0.008
0.0088
0.0096
0.011
0.012
0.013
0.014
0.016
0.017
0.018
0.019
0.022
0.024
0.025
0.028
0.031
0.032
0.033
0.036
0.038
0.039
0.041
0.048
0.059
0.068
0.081
0.088
0.100
0.110
0.120
0.130
0.140
0.150
0.170
0.180
0.200
0.210
0.230
0.250
0.270
0.310
0.340
0.370

Orifice Diameter (in)

Nominal Orifice Size

CV

Gasket Retainer

Part Number

Orifice Diameter

Material

CV

C_V

C_V