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| A N C I L L I A R Y P R O D U C T S |
MJ FIELD LOK MJ Field Lok Gasket Series PV
MJ FIELD LOK Testing VIdeo
MJ FIELD LOK GASKET Series DI • Can be used on any Pressure Class or Special Thickness Class Ductile Iron Pipe up to 350 psi • Stainless steel locking segments provide proven joint restraint tecnology. |
MJ FIELD LOK GASKET Series PV • Can be used on any thickness class of AWWA C900 PVC pipe. • Pressure rated at a 2:1 safety factor, based on the pressure rating of the pipe on which it is installed. • Ductile iron locking ring provides proven joint restraint technology. |
MJ FIELD LOK Gland • Highly engineered to provide the strength and rigidity necessary for restrained joint applications. • Installs just like a standard mechanical joint gland. • All ductile iron components are manufactured to ASTM A536 Grade 70-50-05. |
APPLICATION NOTES: |
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MJ Field Lok Gaskets are designed to seal and restrain a centrifugally cast ductile iron or PVC pipe spigot in either a ductile iron pipe or a ductile iron fitting bell. MJ Field Lok Gaskets are available to fit mechanical joints conforming to AWWA C110 or AWWA C153 in 4" - 24" sizes. If ductile iron pipe with a lower pressure rating is used, then the lower pressure rating will apply to the MJ Field Lok Gasket also. |
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MJ Field Lok Gaskets require 90 ft-lb of bolt torque for 4" - 8" gaskets, and 120 ft-lb of bolt torque for 10" - 12" inch gaskets. Most common 1/2" drive air powered impact wrenches are capable of applying these torques. MJ Field Lok Gaskets are suitable for either potable water or wastewater applications. MJ Field Lok Gaskets are NSF approved, UL Listed and FM Approved. |
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MJ Field Lok Gasket Series DI products are no recommended for use with cast iron pipe, plasticpipe, oversize pipe, metric pipe, or for use as a 'transition' gasket. MJ Field Lok Gasket Series PV products are not recommended for use with cast iron pipe, ductile iron pipe, oversize pipe, metric pipe, or for use as a 'transition' gasket. MJ Field Lok Gaskets are warranted only when used with MJ Field Lok Gland. |
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MJ FIELD LOK Gasket Series DI |
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|---|---|---|---|---|---|
SIZE (Inches) |
PIPE OD |
ORDER NUMBER |
NO. OF SEGMENTS |
PRESSURE RATING |
APPROX. KIT WEIGHT |
| 4 | 4.80 |
DI04 |
3 |
350 |
7.3 |
| 6 | 6.90 |
DI06 |
4 |
350 |
10.9 |
| 8 | 9.05 |
DI08 |
6 |
350 |
13.5 |
| 10 | 11.10 |
DI10 |
9 |
350 |
18.5 |
| 12 | 13.20 |
DI12 |
13 |
350 |
19.7 |
| 14 | 15.30 |
DI14 |
18 |
350 |
26.9 |
| 16 | 17.40 |
DI16 |
24 |
350 |
31.8 |
| 18 | 19.50 |
DI18 |
30 |
250 |
49.8 |
| 20 | 21.60 |
DI20 |
36 |
250 |
59.7 |
| 24 | 25.80 |
DI24 |
52 |
250 |
81.3 |
MJ FIELD LOK Gasket Series PV |
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|---|---|---|---|---|---|
SIZE (Inches) |
PIPE OD |
PRESSURE ORDER NUMBER (psi) |
PRESSURE RATING DR-18 (psi) |
RATING DR-14 |
APPROX. KIT WEIGHT |
| 4 | 4.80 |
PV04 |
150 |
200 |
7.8 |
| 6 | 6.90 |
PV06 |
150 |
200 |
11.8 |
| 8 | 9.05 |
PV08 |
150 |
200 |
14.8 |
| 10 | 11.10 |
PV10 |
150 |
200 |
20.1 |
| 12 | 13.20 |
PV12 |
150 |
200 |
21.6 |
MJ FIELD LOK Gland (See illustration at right) |
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SIZE (Inches) |
WEIGHT (pounds) |
DIMENSION |
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A (Outside Dim) |
B (Bolt Hole) |
C (Inside Dia.) |
D (OD Lip) |
E (Gland Height) |
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| 4 | 3.3 |
8.88 |
7.50 |
4.90 |
5.92 |
1.75 |
| 6 | 5.0 |
10.87 |
9.50 |
7.00 |
8.02 |
2.00 |
| 8 | 7.2 |
13.13 |
11.75 |
9.15 |
10.17 |
2.25 |
| 10 | 10.2 |
15.38 |
14.00 |
11.20 |
12.22 |
2.25 |
| 12 | 11.0 |
17.63 |
16.25 |
13.30 |
14.32 |
2.25 |
| 14 | 17.2 |
20.13 |
18.75 |
15.44 |
16.40 |
2.51 |
| 16 | 25.0 |
22.38 |
21.00 |
17.54 |
18.50 |
2.75 |
| 18 | 38.2 |
24.75 |
23.25 |
19.64 |
20.60 |
3.14 |
| 20 | 46.0 |
27.00 |
25.50 |
21.74 |
22.70 |
3.20 |
| 24 | 64.0 |
31.50 |
30.00 |
25.94 |
26.90 |
3.57 |
Suggested Specifications:
Joint restraint for mechanical joint pipe and fittings shall be the MJ FIELD LOK Gasket. The restraint system shall be completely integral to the gasket, requiring only standard mechanical joint assembly techniques. The restraining system for ductile iron shall be pressure rated to 350 psi in sizes up to and including 16", 18", 20" and 24" are rated for 250 psi. The restraining system for PVC shall be rated at a 2:1 safety factor for the pipe on which it is installed. The restraining system shall be rated in accordance w/ the performance requirements of ANSI/AWWA C111/A21.11 Rubber Gasket Joints for Ductile-Iron Pressure Pipe and Fittings.
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