JCM Industries · Collar Leak Clamp
JCM 105 Collar Leak Clamp
Step gasket · Stainless band, ductile iron lugs · PVC solvent weld and threaded joints
-40°F to +150°F Temperature
SBR Step Gasket
304 Stainless Band
Ductile Iron Lugs
Low-Alloy Steel Bolts
NSF/ANSI 61 and 372
AWWA C230
2.38-15.30 in Pipe OD
7.3-18 lb Weight
Description
The JCM 105 collar leak clamp is a quick, permanent repair for leaking PVC solvent weld joints and threaded coupling joints, made without cutting out fittings or modifying the system.
It installs with half the clamp over the collar and half on the pipe spigot. An extra 1/4 in layer of gasket under half the clamp width steps down to the smaller pipe OD where it butts against the collar, so one clamp seals across the joint. The step accommodates coupling walls thicker than 5/32 in and thinner than 5/16 in.
Typical application: Repair, temporary or permanent: leaking threaded and solvent weld joints.
Key Features
- Step gasket seals the collar and the spigot in one clamp
- Repairs leaking joints in place, with no cutting out of fittings
- Certified to ANSI/NSF 61 Annex G and ANSI/NSF 372; meets applicable portions of ANSI/AWWA C230
- 6 in width for Class 160 and 200 bell ends; 7 in width for Schedule 40 couplings and bell ends
- Sizes for plastic irrigation pipe (PIP) as well as IPS PVC
What Ships and What It Needs to Run
Included: the clamp with its SBR step gasket, ductile iron lugs and low-alloy bolts and heavy hex nuts, ready to install over the joint.
Pipe anchorage, provided at install. The clamp seals the joint but does not restrain the pipe.
Genuine JCM Industries equipment, factory-new in original packaging — sold and supported by Watermain Supply, an independent industrial supplier.
12-Month Warranty
Covered for 12 months from the date of purchase against defects in materials and workmanship. Keep the dated invoice as proof of purchase.
Working Pressure
Rated by application. JCM rates the pressure capability of this clamp for each installation: it depends on pipe size and type, the type and extent of the damage or joint condition, line content, temperature and installation. Send us the pipe OD and type and the working and test pressures, and we will obtain JCM's rating and a submittal for your application.
Materials Specifications
| Band |
18-8 Type 304 stainless steel |
| Lugs |
Ductile iron, ASTM A536 60-40-18 |
| Bolts and nuts |
Corrosion-resistant low-alloy steel per ASTM A242, ANSI A21.11, AWWA C111, heavy hex nuts; stainless or epoxy-coated optional |
| Gasket |
Virgin SBR per ASTM D2000, step gasket: an additional 1/4 in layer under half the clamp width |
| Temperature |
-40°F to +150°F constant; 180°F maximum intermittent |
| Collar wall |
Fits coupling walls thicker than 5/32 in and thinner than 5/16 in |
| Coating |
Corrosion-resistant shop-coat primer |
From the JCM collar leak clamp typical specification.
Pipe Applications
PVC solvent weld pipe (Class 160, Class 200, Schedule 40 couplings and bell ends), plastic irrigation pipe and threaded coupling joints on steel pipe.
Sizes
20 sizes. Open the table for every size and width.
All 20 sizes
| Nominal |
Pipe OD |
Width and joint |
| 2 in |
2.38 in |
6 in - Class 160 and 200 Bell |
| 2 in |
2.38 in |
7 in - Sch 40 Coupling or Bell |
| 2-1/2 in |
2.88 in |
6 in - Class 160 and 200 Bell |
| 2-1/2 in |
2.88 in |
7 in - Sch 40 Coupling or Bell |
| 3 in |
3.50 in |
6 in - Class 160 and 200 Bell |
| 3 in |
3.50 in |
7 in - Sch 40 Coupling or Bell |
| 4 in PIP |
4.13 in |
6 in - Irrigation Pipe |
| 4 in |
4.50 in |
6 in - Class 160 and 200 Bell |
| 4 in |
4.50 in |
7 in - Sch 40 Coupling or Bell |
| 5 in |
5.56 in |
6 in - Class 160 and 200 Bell |
| 5 in |
5.56 in |
7 in - Sch 40 Coupling or Bell |
| 6 in PIP |
6.14 in |
6 in - Irrigation Pipe |
| 6 in |
6.63 in |
6 in - Class 160 and 200 Bell |
| 6 in |
6.63 in |
7 in - Sch 40 Coupling or Bell |
| 8 in PIP |
8.16 in |
6 in - Irrigation Pipe |
| 8 in |
8.63 in |
6 in - Class 160 and 200 Bell |
| 8 in |
8.63 in |
7 in - Sch 40 Coupling or Bell |
| 10 in PIP |
10.20 in |
6 in - Irrigation Pipe |
| 12 in PIP |
12.24 in |
6 in - Irrigation Pipe |
| 15 in PIP |
15.30 in |
6 in - Irrigation Pipe |
Choose the width by joint: 6 in for Class 160 and 200 bell ends, 7 in for Schedule 40 couplings and bell ends. PIP = plastic irrigation pipe. Other widths available on request.
Before You OrderConfirm the pipe OD and the joint type (bell end class or Schedule 40 coupling) before ordering.
Anchor the pipe: the clamp seals the full circumference but does not hold the pipe against lateral movement, so JCM calls for proper anchorage wherever the pipe could move out of the clamp.
For a submittal or an odd OD, email sales@watermainsupply.com with the pipe OD, pipe type and line content.
