metric precision orifices and miniature check valves
TRANSCRIPT
MONROE, CT USA
METRICPRECISION ORIFICES
ANDMINIATURE
CHECK VALVES
ZMNVC
ZMNS US - INSERT
ZMC
CATALOG MD-1
IB - INSERT
Controls Co.O’Keefe
® ®
ZM
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Part Number SyStem tyPe Orifice thread Zm — SiZe NO. — SiZe — LeNgth NO. — materiaL
descriptionSet screw style threaded orifice inserts can be installed in fittings, manifolds or custom parts to establish flow rates of liquids or gases. Standard size orifices range from .10 mm to 1.60 mm.
thread Size m3 x .5 mm 4-35 hex Size 4 mm 4 1.5 mm
thread Size m4 x .7 mm 4-35 hex Size 5 mm 5 2.0 mm
thread Size m5 x .8 mm 4-63 hex Size 6 mm 6 2.5 mm
thread Size m6 x 1.0 mm 4-63 hex Size 8 mm 8 3.0 mm
thread Size m8 x 1.25 mm 4-63 hex Size 10 mm 10 4.0 mm
thread Size m10 x 1.50 mm 4-63 hex Size 12 mm 12 5.0 mm
ExamplES tyPe SiZe NO. thread SiZe LeNgth NO. materiaL1. Zm — 10 — m3 — 4 — SS (Type ZM) (.26 mm diameter) (4 mm length) (Stainless Steel)2. Zm — 31 — m6 — 8 — SS (Type ZM) (.79 mm diameter) (8 mm length) (Stainless Steel)
*Consult factory for larger orifice sizes.
type Zm
Bidirectional FlowThread Size
OrificeInternalHEX
Length
Metal Orifice AssembliesMETRIC THREADED INSERTS
SS18-8 SS
Standard Sizes Orifice StandardSize Length Size dia.* range thread Size mm No. No. mm.
4 .10 5 .13 6 .15 7 .18 8 .20 9 .23 10 .26 11 .28 12 .31 13 .33 14 .36 15 .38 16 .41 17 .43 18 .46 19 .48 20 .51 21 .53 22 .56 23 .58 24 .61 25 .63 26 .66 27 .69 28 .71 29 .74 31 .79 32 .81 33 .84 35 .89 37 .94 38 .97 39 .99 40 1.02 41 1.04 42 1.07 43 1.09 47 1.19 52 1.32 55 1.40 60 1.52 63 1.60
2
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type ZmNS
Part Numbers
construction
Metal Orifice Assemblies
threadm3.5 x 0.6
4-31
threadm5 x 0.8
4-52
threadm6 x 1
4-81
threadm8 x 1.25
4-94
hex
AB
C
th'dO-ring
installationSeal against flat smooth surface
O-Ring Type ZMNS
MaximumOpening Ø
th'd a b c hex M3.5 7.87 1.97 2.29 2
M5.0 10.8 2.57 3.10 2.5
M6.0 12.7 3.81 4.45 3
M8.0 16.3 4.83 5.59 4
METRIC THREADED INSERTS - NOSE SEALS
descriptionThis type precision orifice includes an o-ring for sealing against a flat surface. The set screw style can be installed in fittings, manifolds and custom parts for accurate flow rate control of liquids or gases.
Specificationsthread Sizes – M3.5 x 0.6, M5 x 0.8, M6 x 1, and M8 x 1.25. flow direction – Suitable for flow in either direction. flow – See flow chart for air flow on last page.
KV range – .00030 to .171 OrificeDiameterAccuracy – ± .013 mm
fluid media – Air, Water, Gases and Liquids compatible with materials of construction.
dimensions – See drawings this page.
materials of construction – Brass or 303 SS Body. Fluorocarbon or Nitrile O-ring maximum Operating Pressure – 1400 kPa maximum Operating temperature – Nitrile O-ring 70 oC. Fluorocarbon O-ring 166 oC.
The complete part number for an orifice assembly includes Type, Size Number, Thread Size, Body Material and O-Ring Material. BN - Nitrile V - FluorocarbonExamplES Size thread body Part type Number Size material O-ring Number ZMNS 10(.26 mm) M3.5 BR (Brass) BN ZMNS-10-M3.5-BR-BN ZMNS 20(.51 mm) M6 SS (303 SS) V ZMNS-20-M6- SS-V
Thread Maximum Opening Ø
M3.5 1.20 M5.0 1.57 M6.0 2.41 M8.0 3.18
Dimensions - mm
Dimensions - mm
Orifice Size Size dia. Number Number (mm) range 4 .10 5 .13 6 .15 7 .18 8 .20 9 .23 10 .26 11 .28 12 .31 13 .33 14 .36 15 .38 16 .41 17 .43 18 .46 19 .48 20 .51 21 .53 22 .56 23 .58 24 .61 25 .63 26 .66 27 .69 28 .71 29 .74 31 .79 32 .81 33 .84 35 .89 37 .94 38 .97 39 .99 40 1.02 41 1.04 42 1.07 43 1.09 47 1.19 52 1.32 55 1.40 60 1.52 63 1.60 67 1.70 70 1.78 73 1.85 76 1.93 79 2.01 81 2.06 86 2.18 89 2.26 94 2.39
3
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Orifice Size Size dia. Number Number mm range
4 .10 5 .13 6 .15 7 .18 8 .20 9 .23 10 .26 11 .28 12 .31 13 .33 14 .36 15 .38 16 .41 17 .43 18 .46 19 .48 20 .51 21 .53 22 .56 23 .58 24 .61 25 .63 26 .66 27 .69 28 .71 29 .74 31 .79 32 .81 33 .84 35 .89 37 .94 38 .97 39 .99 40 1.02 41 1.04 42 1.07 43 1.09 47 1.19 52 1.32 55 1.40 60 1.52 63 1.60 67 1.70 70 1.78 73 1.85 76 1.93 79 2.01 81 2.06 86 2.18 89 2.26 94 2.39 96 2.44 100 2.54 104 2.64 109 2.77 113 2.87 120 3.05 125 3.18
4
INSERTS
Metal Orifice AssembliesdescriptionThe inserts shown on this page are designed to press-fit into openings accurately machined in fittings, manifolds and custom parts. There is a choice of insert sizes and materials of construction.
applicationsThe inserts can be used with a wide variety of fittings by accurately machining the inside of the fitting. The orifice is then pressed into the fitting for control of the flow rate of liquids or gases.Manifolds or other custom assemblies that require flow rate control of fluids can be accurately machined to press fit the orifices shown on this page and on page 5.
GeneralSpecificationsmaximum Operating Pressure Insert Only (see exceptions) Brass – 13,790 kPag 303SS – 27,580 kPag 316SS – 27,580 kPag exceptions IAS, US Maximum Differential Pressure – 700 kPadflow – See flow chart for air flow on page 7.
OrificeDiameters – .10 mm to 3.18 mm. See chart at right. Consult factory for other sizes.
OrificeDiameterAccuracy – ±.013 mm
KV range – .0003 to .32 - See page 7.
fluid media – Air, Water, Gases and Liquids compatible with materials of construction.
dimensions – See drawings in right hand column of this page and on page 5.
Press fit – See drawings in right hand column of this page and on page 5.
materials Type IA, AM, IF – Brass or 303 SS Type IAS – Brass, 304 SS Screen Type I B, I E, I J – 303 SS I K, U Type IL – Brass Type IC, I D – 316 SS Type US – 303 SS, 304 SS Screen
custom insertsWhere quantity requirements exceed 1000 pieces, custom inserts can be manufactured in brass, stainless steel, or special materi-als to the dimensions required. Provide a dimension drawing, material specifica-tions, and quantities to our technical service department to obtain price and delivery quotations.
type am4-35
type ia4-63
type iaS4-35
type ib4-25
type ic4-63
type id4-125
type ie4-35
type if4-63
type i J4-125
type iK4-20
type iL4-35
type u4-63
type uS4-35
cONStructiON
6.35
3.18
2.40 / 2.41 Dia.2.21 / 2.26 Dia.
Press Fit Into Bore 2.36 / 2.39 Dia.
type ib
type iaS
cONStructiONPress Fit Into 6.50 / 6.53 Dia.
6.55 / 6.58 Dia.
3.96
Integral Screen
type ia
cONStructiONPress Fit Into 6.50 / 6.53 Dia.
6.55 / 6.58 Dia.
3.96
type am
cONStructiON
dimeNSiONSmm
Press Fit Into 3.20 / 3.22 Dia.
3.68 Dia. 3.25 / 3.28 Dia.
7.014.98
dimeNSiONSmm
dimeNSiONSmm
dimeNSiONSmm
dimeNSiONSmm
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5Metal Orifice AssembliesINSERTS
Part NumbersThe complete part number for an orifice assembly includes Type, Size Num-ber, Body Material and Options.
ExamplES Size body Part type Number material Options Number IB 6 (.15 mm) SS – IB-6-SS
AM 10 (.26 mm) SS – AM-10-SS
IA 20 (.51 mm) Brass – IA-20-BR
OrificeDiametersSee chart on page 4 for sizes available for each insert type. Consult factory for other sizes.
flow directionMetal orifice assemblies can be used for flow in either direction. The data on page 7 is for a flow direction as shown in the right column on page 4 and throughout this page.
type uPress Fit Into
7.10 / 7.12
cONStructiON
7.11
19°
7.147.15
Dia.
type iJPress Fit Into
9.61 / 9.64
cONStructiON
6.86
9.659.66 Dia.
10-32 Thread
type iePress Fit Into
3.12 / 3.14
cONStructiON
3.153.18 Dia.
type idPress Fit Into 10.48 / 10.50
cONStructiON
11.2
10.5110.52 Dia.
type ifPress Fit Into
6.29 / 6.31
cONStructiON
6.86
10-32 Thread
6.326.34 Dia.
type iKPress Fit Into
1.54 / 1.55
cONStructiON
1.57
.79 Spherical R.
1.561.58 Dia.
cONStructiON
type iLPress Fit Into
2.49 / 2.51
2.03
Dia.2.532.54
type uSPress Fit Into
7.10 / 7.12
cONStructiON
Dia.
Screen Both Ends
7.157.18
5.84
type ic
cONStructiON4.83
3.18
4.67 / 4.72 Dia.
Press Fit Into Bore 4.84 / 4.85 Dia.
4.80 / 4.91 Dia.
dimeNSiONSmm
dimeNSiONSmm
dimeNSiONSmm
dimeNSiONSmm dimeNSiONS
mm
dimeNSiONSmm
dimeNSiONSmm dimeNSiONS
mm
dimeNSiONSmm1.52
P.O.BOXQ•TRUMBULL,CTUSA06611•PHONE(203)261-6711•TOLLFREEPHONE(800)533-3285•FAX(203)261-8331©O'KEEFECONTROLSCO.•2008ALLRIGHTSRESERVED [email protected]•websitewww.okcc.com
descriptionThis miniature check valve line em-ploys a free floating stainless steel or elastomeric ball, which allows free flow in one direction; reverse flow is pre-vented. The valves are suitable for air, water, inert gases, light oil and liquids compatible with the materials of con-struction. The valves are fast acting and are suitable for long life applications.
features• All metal construction option• Long life operation• Low cost
Symbol-check Valve
FREE FLOW
GeneralSpecificationsmaterials of construction Body – Brass or 303 SS Ball Stop – Brass or 303 SS Ball – Nitrile (B), Fluorocarbon (V) or 440C Stainless Steel (SS) M3.5 - SS M5 - SS or B M6 - SS or V M8 - SS, B, or Vmaximum temperature Nitrile – 70°C Fluorocarbon - 166°Cmaximum Operating Pressure Type ZMC Brass – 3500 kPa (SS Ball) SS – 7000 kPa (SS Ball) Type ZMNBC, ZMNVC 1400 kPa Seat Leakage SS Ball 20 sccm (max) air flow at 175 kPa Nitrile or Fluorocarbon Ball 0 sccm @ 350 kPa (air flow) <5 sccm @ 175 kPa (air flow)FlowCapacity(airflow)
thread Sealant For type ZMC straight threads use Loctite 542 thread sealant or equal.
Check ValvesMETRIC ECONOMY LINE
Part NumbersThe complete part number for an orifice assembly includes Type, Fixed Numbers, Thread Size, Body/Ball Stop Material and Ball Material. (Fixed Numbers are the valve body orifice and differential pressure above which the valve will allow flow in the free flow direction.)ExamplES
typethread
Sizebody/
ball Stop ball materialPart Number
ZMC(no nose seal)
M3.5 BR (Brass)
SS (440C)
ZMNBC(nose seal-Nitrile)
M5 SS (303 SS)
B (Nitrile)
ZMNVC(nose seal -
Fluorocarbon)
M6 BR (Brass)
V (Fluorocarbon)
ZMC(no nose seal)
M8 SS (303SS)
SS (440C)
FREE FLOW
Type Size KV (SLPm)
@ 350 kPa*
ZMC M3.5 .009 12ZMC M5 .034 48ZMC M6 .064 80ZMC M8 .100 130
types ZmNbc, ZmNVc
type Zmc
construction
hex
AB
C
th'dO-ring
installationSeal against flat smooth surface
O-RingType: ZMNBC ZMNVC
MaximumOpening Ø
th'd a b c hex M3.5 7.87 1.97 2.29 2
M5.0 10.8 2.57 3.10 2.5
M6.0 12.7 3.81 4.45 3
M8.0 16.3 4.83 5.59 4
Thread Maximum Opening Ø
M3.5 x 0.6 mm 1.20 M5.0 x 0.8 mm 1.57 M6.0 x 1 mm 2.41 M8.0 x 1.25 mm 3.18
Dimensions - mm
Dimensions - mm
Ball Stop
* data from flow chart
type
ZMC
ZMNBC
ZMNVC
ZMC
Size |
M3.5
M5
M6
M8
b/bS |
- BR -
- SS -
- BR -
- SS -
ball
SS
B
V
SS
| fixed |
- 30 - 0 -
- 47 - 0 -
- 70 - 0 -
- 94 - 0 -
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20.
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0.01
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20.
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9.46
10
.3
11.8
13
.4
14.7
16
.6
18.0
21
.1
23.0
25
.1
27.
429
.4
30.8
33
.7
36.8
40
.9
44.6
47
.5
mm
Hg
in. H
g
127
50.
053
0.09
60.
129
0.19
10.
253
0.33
20.
406
0.45
00.
582
0.66
10
.773
0.8
990
.977
1.
14
1.28
1.
41
1.55
1.
70
1.90
2.
10
2.3
02.
48
2.74
2.
83
3.16
3.
41
3.78
4.
12
4.32
25
410
0.
069
0.12
40.
168
0.24
60.
324
0.42
10.
519
0.56
40.
730
0.83
40.
972
1.12
1
.24
1.41
1
.58
1.79
1.
96
2.18
2.
44
2.68
2.
89
3.13
3.
44
3.58
4.
00
4.30
4.
77
5.16
5.
43
38
115
0.
075
0.13
40
.185
0.2
680
.351
0.4
550
.566
0.6
140
.792
0.
902
1.07
1.
22
1.35
1
.55
1.75
1.
94
2.19
2
.32
2.6
12.
85
3.12
3
.34
3.65
3.
78
4.20
4.
51
5.05
5
.45
5.72
508
20
0.07
50.
134
0.1
850
.268
0.3
510
.455
0.5
660
.614
0.7
920
.902
1.
07
1.22
1.
35
1.55
1.
75
1.94
2.
19
2.32
2
.61
2.85
3.
12
3.34
3.
65
3.78
4.
20
4.51
5.
05
5.45
5.
72
762
30
0.07
50.
134
0.18
50.
268
0.35
10.
455
0.56
60.
614
0.79
20.
902
1.07
1.
22
1.35
1.
55
1.75
1.
94
2.19
2.
32
2.61
2
.85
3.12
3.
34
3.65
3.
78
4.20
4
.51
5.05
5.
45
5.72
Met
al O
rifice
Air
Flow
– S
LPM
Supply Pressure
Choked Flow
Vacuum LevelOrifice
diameter Vacuum Level
In
ches
0.
035
0.03
70.
038
0.03
90.
04
0.04
10.
042
0.04
30.
047
0.05
20.
055
0.06
0.
063
0.06
70.
07
0.07
30.
076
0.07
90.
081
0.08
60.
089
0.09
40.
096
0.1
0.10
40.
109
0.11
30.
12
0.12
5
mm
0.
89
0.94
0.
97
0.99
1.
02
1.04
1.
07
1.09
1.
19
1.32
1.
40
1.52
1.
60
1.70
1.
78
1.85
1.
93
2.01
2.
06
2.18
2.
26
2.39
2.
44
2.54
2.
64
2.77
2.
87
3.05
3.
18
Si
ze N
umbe
r 35
37
38
39
40
41
42
43
47
52
55
60
63
67
70
73
76
79
81
86
89
94
96
10
0 10
4 10
9 11
3 12
0 12
5
C V
0.02
80.
031
0.03
20.
033
0.03
60.
038
0.03
90.
041
0.04
80.
059
0.06
80.
081
0.08
80.
10.
11
0.12
0.
13
0.14
0.
15
0.17
0.
18
0.20
0.
21
0.23
0.
25
0.27
0.
31
0.34
0.
37
K V
0.02
40.
026
0.02
70.
028
0.03
10.
032
0.03
30.
035
0.04
10.
050
0.05
80.
069
0.07
50.
085
0.09
40.
10
0..1
10.
12
0.13
0.
145
0.15
0.
17
0.18
0.
20
0.21
0.
23
0.26
0.
29
0.32
kP
ag p
sig
6.
91
3.48
3.
83
4.13
4.
46
4.6
4.67
4.
99
5.36
6.
43
8.04
9.
411
.2
12.2
14
.2
15.9
16
.9
18.5
20
.3
21.7
23
.5
25.4
28
.4
30.1
32
.9
35.5
39
.6
43.1
47
.8
50.1
34
.5
57.
67
8.48
9.
09
9.7
10.2
10
.6
11.3
12
.1
14.2
17
.6
20.3
23
.9
26.1
30
.3
33.8
36
.1
39.4
43
.1
46
51.1
54
.9
61.9
65
70
.8
76.6
84
.8
92.1
10
210
8
69.0
10
10
.6
11.8
12
.5
13.6
14
.4
14.8
15
.6
16.8
19
.4
24.5
27
.1
32.2
35
.2
40.7
45
.6
48.5
52
.9
57.3
61
.6
67.9
72
.3
81
85.5
92
.3
102
112
118
135
148
10
3.4
15
13.1
14
.5
15.4
16
.7
17.7
18
.2
19.1
20
.4
23.6
29
.7
32.9
39
42
.6
49.3
55
.3
58.8
64
69
.4
74.5
82
.1
87.3
97
.8
103
111
123
135
143
163
178
13
7.9
20
15.3
17
18
.1
19.6
20
.9
21.4
22
.5
24
27.7
35
38
.7
45.9
50
.1
58
65
69
75.3
81
.4
87.3
95
.6
102
114
121
130
144
158
167
190
210
17
2.4
25
17.7
19
.6
20.8
22
.6
24
24.7
25
.9
27.6
31
.9
40.3
44
.6
52.8
57
.7
66.7
74
.7
79.3
86
.4
93.5
10
011
011
713
113
814
916
418
019
121
924
1
206.
930
20
22
.2
23.6
25
.6
27.2
28
29
.4
31.3
36
45
.6
50.4
59
.7
65.2
75
.4
84.3
89
.5
97.4
10
511
312
513
214
815
616
818
520
421
624
827
3
275.
840
24
.8
27.4
31
.7
31.6
33
.6
34.6
36
.3
38.7
44
.5
56.3
62
.2
73.6
80
.3
92.7
10
411
012
012
913
915
316
218
119
120
722
825
126
730
633
7
344.
850
29
.5
32.6
34
.8
37.6
40
.1
41.3
43
.3
46
52.9
66
.9
74
87.4
95
.4
110
123
131
142
153
164
181
192
215
227
247
272
299
317
364
401
41
3.7
60
34.3
38
40
.6
43.8
46
.7
48.1
50
.3
53.5
61
.5
77.7
85
.8
101
110
127
142
151
164
177
189
210
223
250
264
286
315
347
368
422
465
48
2.7
70
39.2
43
.3
46.3
50
53
.3
55
57.4
61
70
88
.4
97.6
11
512
614
516
217
118
620
221
624
025
428
530
132
736
039
642
148
253
1
551.
680
44
48
.7
52.1
56
.2
60
61.9
64
.5
68.5
78
.6
99.1
10
912
914
116
218
119
120
922
724
226
928
532
033
836
740
444
547
254
159
6
620.
690
50
54
.2
57.8
62
.4
66.7
68
.9
71.5
76
87
.2
109
121
143
156
179
200
211
231
251
268
298
316
354
374
406
447
492
522
598
660
68
9.5
100
53
.9
59.6
63
.7
68.7
73
.5
77.3
78
.6
83.5
95
.8
120
133
156
171
196
221
234
255
277
296
329
349
392
413
449
494
544
578
662
729
m
m H
g in
. Hg
12
75
4.
92
5.4
5.81
6.
29
6.76
6.
82
7.29
7.
67
9.08
11
.3
12.4
14
.8
17.1
20
22
.5
23.9
26
28
.3
30.2
33
.2
35.9
40
.1
41.8
45
.3
49
53.9
57
.9
65.3
70
.9
254
10
6.18
6.
78
7.29
7.
85
8.31
8.
59.
08
9.58
11
.1
13.9
15
.4
18.2
21
.2
24.4
27
.2
29.9
32
.5
35.3
37
.7
41.5
44
.8
50
52.1
56
.6
61.2
67
.2
72.2
81
.4
88.4
38
115
6.
57.
17
7.63
8.
22
8.66
8.
87
9.46
10
11
.6
14.4
15
.9
18.6
22
.1
25.5
28
.4
31.2
33
.9
36.8
39
.4
43.3
46
.7
52.1
54
.4
59
63.8
70
.1
75.3
84
.9
92.2
50
820
6.
57.
17
7.63
8.
22
8.66
8.
87
9.46
10
11
.6
14.4
15
.9
18.6
22
.1
25.5
28
.4
31.2
33
.9
36.8
39
.4
43.3
46
.7
52.1
54
.4
59
63.8
70
.1
75.3
84
.9
92.2
76
230
6.
57.
17
7.63
8.
22
8.66
8.
87
9.46
10
11
.6
14.4
15
.9
18.6
22
.1
25.5
28
.4
31.2
33
.9
36.8
39
.4
43.3
46
.7
52.1
54
.4
59
63.8
70
.1
75.3
84
.9
92.2
Orificediameter