Smith-Blair · Meter Coupling
Style 926 Flexible Meter Coupling
Epoxy-Coated Ductile Iron, for 1-1/2 and 2 in Oval-Flanged Meters
150 PSI Max Working Pressure
-20°F to +180°F Temperature
Nitrile (Buna-N) Gasket and O-Ring
Epoxy-Coated Ductile Iron Body and Follower
Low-Alloy Steel Studs and Nuts
NSF/ANSI 61 and 372
AWWA C219
1.90-2.50 in Pipe OD
5-6 lb Weight
Description
The Smith-Blair Style 926 flexible meter coupling connects plain-end pipe straight to the oval flange of a 1-1/2 or 2 in water meter, with no pipe threading and no need for precise cutting or alignment of the pipe. A ductile iron flanged body bolts to the meter while the follower compresses a Nitrile gasket around the pipe, and a Nitrile O-ring seals the meter face.
It fits flanged valves, fittings, pumps and other oval-flanged service equipment the same way. Each build is sized to one pipe type — 1-1/2 in steel, 2 in copper tube, or 2 in steel or cast iron — because like sizes of different pipe have different ODs.
Application: joining plain-end service pipe to 1-1/2 and 2 in oval-flanged water meters, valves and fittings.
Key Features
- Working pressure up to 150 PSI
- Quick installation of 1-1/2 and 2 in flanged meters
- No pipe threading or precise cutting and alignment
- Angular deflection up to 1-1/2° per joint
- Certified to NSF/ANSI 61 and NSF/ANSI 372; meets applicable AWWA C219 standards
What Ships and What It Needs to Run
Included: the flanged body, follower, Nitrile gasket and O-ring, and two studs with nuts — everything to connect one end of the meter to plain-end pipe.
Other meter end: per Smith-Blair's instructions the upstream side bolts pipe flange to meter flange; the 926 makes the downstream plain-end connection.
Genuine Smith-Blair equipment, factory-new in original packaging — sold and supported by Watermain Supply, an independent industrial supplier.
12-Month Smith-Blair Warranty
Smith-Blair warrants its products to be free of defects in materials and workmanship for one year from the date of shipment by Smith-Blair. Dated proof of purchase, such as a bill of sale, is required to establish eligibility. Smith-Blair will repair or, at its option, replace a defective product; the product is returned to the factory or warehouse Smith-Blair designates.
Working Pressure
Up to 150 PSI on both sizes; for a particular installation the allowable pressure also depends on pipe size and type, pipe condition, service conditions and installation workmanship.
Materials Specifications
| Flanged body |
Ductile iron 65-45-12 per ASTM A536, Flexi-Coat fusion-bonded epoxy |
| Follower |
Ductile iron 65-45-12 per ASTM A536, Flexi-Coat fusion-bonded epoxy, marked with part number and pipe range |
| Gasket |
Nitrile (Buna-N) per ASTM D2000, NSF/ANSI 61 and 372 certified, marked with part number and pipe range |
| O-ring |
Nitrile (Buna-N) per ASTM D2000 |
| Studs |
High-strength low-alloy (HSLA) steel per AWWA C111/A21.11, 5/8-11 UNC, rolled threads |
| Nuts |
HSLA steel per AWWA C111/A21.11, 5/8-11 UNC heavy hex semi-finished |
| Finish |
Flexi-Coat fusion-bonded epoxy per AWWA C213 |
Materials subject to change by the manufacturer.
Pipe Applications
Steel, stainless steel, cast iron, copper and PVC. Thin-wall PVC takes pipe stiffeners, which Smith-Blair requires on that pipe.
Sizes
| Pipe size and OD |
|---|
| 1-1/2 in Steel - 1.90 in OD |
| 2 in Copper - 2.13 in OD |
| 2 in Steel or Cast Iron - 2.38-2.50 in OD |
Choose the size in the first option; the part number shows in the last option.
Dimensions
| Meter outlet |
Flange length |
Flange OD |
Body thickness |
Length |
Studs |
| 1-1/2 in |
3-1/2 in |
3-3/4 in |
7/16 in |
1-3/4 in |
2, 5/8 x 5 in |
| 2 in |
3-1/2 in |
4-1/4 in |
7/16 in |
1-3/4 in |
2, 5/8 x 5 in |
As printed in the Style 926 datasheet.
Installation Notes
- Pick the coupling for the pipe type: copper, steel and cast iron of the same nominal size have different ODs and need different couplings.
- Lay out the pipe so the meter space is 3/8 to 3/4 in longer than the meter's overall length, with the flanged pipe end upstream and the plain end downstream.
- Clean 6 in of the plain-end pipe, loosen the two nuts on the compression flange, and slip the coupling onto the pipe with the O-ring facing the meter space.
- Bolt and tighten the meter on the upstream side first, then slide the coupling against the meter flange and assemble the nuts. Use the furnished O-ring only, never a flat-face gasket with or in place of it.
- Tighten the two compression-flange nuts to the torque in the instructions.
- Anchor the pipe: the coupling seals around it, and Smith-Blair requires proper anchoring to restrain pipe movement and prevent pull-out.
From Smith-Blair Installation Instructions TI-074 (Rev 7/20/2020), in the Data Sheet tab.
Before You OrderAll Smith-Blair products are Made to Order and Non-Returnable.
Items typically shipped in 5 - 10 business days.
Stainless hardware, other gasket materials such as EPDM, and anode connectors are built to order — email sales@watermainsupply.com with the meter size and pipe type.
