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Zeston
®
Selection Charts
For Tees, Valves, 45° Elbows,
Short and Long Radius 90° Elbows,
Mechanical Groove Fittings,
Cut & Curled Jacketing
2000 PVC Insulated
Fitting Covers
Quick, Simple, Neat and Economical. A Complete Factory-Supplied System.
Iron pipe fitting covers for tees, valves,
45° elbows and short radius 90° elbows.
Iron pipe fitting covers for long
radius 90° elbows only.
Copper tubing fitting covers for tees, valves,
45° elbows and short radius 90° elbows.
Copper tubing fitting covers for long
radius 90° elbows only.
Iron
Pipe
Size
in. mm
24 3/8 610
24 1/2 613
24 3/4 619
21 625
21 1/4 632
21 1/2 638
22 651
22 1/2 664
23 676
23 1/2 689
24 102
25 127
26 152
28 203
10 254
12 305
14 356
16 406
18 457
20 508
22 559
24 610
Iron
Pipe
Size
in. mm
24 3/8 610
24 1/2 613
24 3/4 619
21 625
21 1/4 632
21 1/2 638
22 651
22 1/2 664
23 676
Copper
Pipe Insulation Thickness – in. (mm)
Tubing
Size (O.D.)
in. mm 1/2 (13) 1 (25) 11/2 (38) 2 (51) 21/2 (64) 3 (76)
–
5
9
11
13
15
4 1/2 613
2
7
9
11
13
15
4 5/8 616
7
3
7
10
12
15
17
4 /8 622
4
7
10
12
15
17
1 1/8 629
5
9
11
13
15
17
1 3/8 635
6
9
11**
13
15
17
1 5/8 641
8
10
12
15
17
18
2 1/8 654
9*
11
13
15
17
18
2 5/8 667
10
12
15
17
18
19
3 1/8 679
11*
13
15
17
18
19
3 5/8 692
1
12
15
17
18
19
20
4 /8 105
14
17*
18
19
20
21
5 1/8 130
1
16
18
19
20
21
22
6 /8 156
Copper
Pipe Insulation Thickness – in. (mm)
Tubing
Size (O.D.)
in. mm 1/2 (13) 1 (25) 11/2 (38) 2 (51) 21/2 (64) 3 (76)
–
5
9
11
13
15
4 1/2 613
2
7
9
11
13
15
4 5/8 616
7
3
7
10
12
15
17
4 /8 622
–
7
10
12
15
17
1 1/8 629
–
9
11
13
15
17
1 3/8 635
–
9A
11
13
15
17
1 5/8 641
–
2x1
12
15
17
18
2 1/8 654
–
11A
25/8 x11/2 15
17
18
2 5/8 667
3x1/2 3x1
15A
17A
18
19
3 1/8 679
–
4x1/2
15A
17A
18
19
3 5/8 692
1
1
4x /2 4x1
17A
18
19
20
4 /8 105
Pipe Insulation Thickness – in. (mm)
1
/2 (13) 1 (25)
2
7
3
7
4
7
5
9
6
9
7
10
9
11
10
12
11
13
12
15
13
15
15
17
17
18
19
20
21
22
23
24
24
25
26
27
28
29
30†
31**
32†
33**
–
35**
11/2 (38) 2 (51) 21/2 (64) 3 (76)
9
–
–
–
10
12
15
17
10
12
15
17
11
13
15
17
12
13
15
17
12
15
17
18
13
15
17
18
15
17
18
19
15
17
18
19
17
18
19
20
17
18
19
20
18
19
20
21
19
20
21
22
21
22
23
24
23
24
25
26
25
26
27
28
26
27
28
29
28
29
30†
31**
30†
31**
32†
33**
32†
33**
–
35**
–
35**
–
–
–
–
–
–
†No tees or valves available.
**No short radius 90° ells, tees or valves available.
Zeston 2000 PVC insulated fitting covers are sized to fit Micro-Lok® fiber
glass pipe insulation and all other types of pipe insulation manufactured in
accordance with ASTM C 585. Note that thicknesses for rubber and other
products vary from fiber glass. Please measure to verify sizing.
23 1/2 689
24 102
25
127
26
152
28
10
12
14
16
18
20
24
203
254
305
356
406
457
508
610
Pipe Insulation Thickness – in. (mm)
1
/2 (13) 1 (25) 11/2 (38) 2 (51) 21/2 (64) 3 (76)
2
7
9
–
–
–
3
7
10
12
15
17
4
7
10
12
15
17
5
9
11
13
15
17
6
9
12
13
15
17
7
10
12
15
17
18
9
2x1
13
15
17
18
10
12
15
17
18
19
3x1/2 3x1
15 or 17 or
18
19
3x11/2 3x2
1
4x /2 15
17
18
19
20
4x1/2 4x1
17 or 18 or
19
20
1
4x1 /2 4x2
5x1/2 5x1
18 or 19 or
20
21
5x11/2 5x2
6x1/2 6x1
6x11/2 20 or
21
22
6x2
8x1/2 8x1
8x11/2 8x2
23
24
10x1 10x1
10x11/2 10x2
25
26
12x1 12x1
12x11/2 12x2
12x3
12x3
14x1 14x1
14x11/2 14x2
14x3
14x3
1
16x1 16x1
16x1 /2 16x2
16x3
16x3
18x1 18x1
18x11/2 18x2
18x3
18x3
1
20x1 20x1
20x1 /2 20x2
20x3
20x3
24x1 24x1
24x2 24x2
24x3
24x3
Zeston 2000 PVC insulated fitting covers are sized to fit Micro-Lok® fiber
glass pipe insulation and all other types of pipe insulation manufactured in
accordance with ASTM C 585. Note that thicknesses for rubber and other
products vary from fiber glass. Please measure to verify sizing.
Product Selection
Johns Manville Insulations
Commercial/Industrial Division
P.O. Box 5108
Denver, CO 80217-5108
Product Information: 1-800-654-3103
www.jm.com
CI-116 B&W 6-01 (Replaces 9-92)
Zeston 2000 Series PVC Insulated Fitting Covers
and System 2000 Jacketing
Zeston 300 Series PVC Insulated Fitting Covers
and System 2000 Jacketing
Zeston PVC Installation Accessories
Zeston PVC/Perma-Weld Jacketing System
90° (1.6 Rad.) Short Radius Elbow Covers
90° (1.6 Rad.) Long Radius Elbow Covers
45° (0.8 Rad.) Elbow Covers
Tee and Valve Covers
Screwed Fitting Covers
End Caps
Cone Reducers
P-Traps
Supply Valve Covers
Y-Branches
Mechanical Line Couplings, Line Flange Couplings,
and Soil Pipe Hub Covers
Mechanical Groove Type (MGT) Fitting Covers
• White, Gloss
• UV Resistant
• 25/50 Rated
• Meets USDA
Requirements
*Add suffix “A” when short radius 90° ell is required, e.g. 9A.
**Use #12 for Micro-Lok® fiber glass pipe insulation.
Zeston 2000 PVC insulated fitting covers are sized to fit Micro-Lok® fiber
glass pipe insulation and all other types of pipe insulation manufactured in
accordance with ASTM C 585. Note that thicknesses for rubber and other
products vary from fiber glass. Please measure to verify sizing.
Zeston 2000 PVC Cut & Curled Jacketing
Sizing Table By Cover Size.
Use for sizing and ordering factory trimmed MGT fitting covers.
Victaulic†, Gruvlok‡ Mechanical Groove Type Fitting Covers (MGT)
Iron
Pipe Insulation Thickness – in. (mm)
Pipe
Size
in. mm 1/2 (13)
1 (25)
11/2 (38)
✔
✔
✔
22* 651*
✔
✔
✔
22 1/2 664
✔
✔
✔
23* 676*
✔
✔
✔
23 1/2 689
✔
✔
✔
24* 102*
✔
✔
✔
25 127
✔
✔
✔
26* 152*
✔
✔
✔
28* 203*
✔
✔
✔
10* 254*
✔
✔
✔
12* 305*
✔
✔
✔
14* 356*
✔
✔
✔
16* 406*
✔
✔
✔
18* 457*
✔ = Indicates availability.
*Available in long or short radius.
†Victaulic is a registered trademark of Victaulic Comany of America.
‡Gruvlok is a registered trademark of Grinell Corporation.
All MGT fitting covers have step-down reducer ends to accommodate
multiple insulation thicknesses. The above table indicates the insulation
thickness available for each of the step-down sizes listed. Covers can be
easily field trimmed to permit the required insulation thickness.
Zeston 2000 PVC insulated fitting covers are sized to fit Micro-Lok® fiber
glass pipe insulation and all other types of pipe insulation manufactured in
accordance with ASTM C 585. Note that thicknesses for rubber and other
products vary from fiber glass. Please measure to verify sizing.
2 (51)
–
–
✔
✔
✔
✔
✔
✔
✔
✔
Zeston
Fitting
Size
2-3
4-5
6-7
8-9
10
11
12
13
14
15
16
17
18
17
19
19
20
O.D. Size
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0
Zeston
Fitting
Size
20
21
21
22
22
23
23
24
25
26
27
28
29
–
–
–
–
O.D. Size
10.5
11.0
11.5
12.0
12.5
13.0
14.0
15.0
16.0
17.0
18.0
19.0
20.0
–
–
–
–
✔
✔
✔
Copyright © 2001 Johns Manville
Printed in USA