PSI Model AZ Casing Spacers
Model AZ non-metallic casing spacers are designed for use with water and sewer pipes 3.85″ to 13.75″ in diameter. They are an economical alternative to banded woods skids and stainless steel bands for inserting pipes into casings.
Description
PSI Model AZ Non-Metallic Casing Spacers – Isolators
Model AZ
AZ non-metallic casing spacers are designed for use with water and sewer pipes 3.85″ to 13.75″ in diameter. They are an economical alternative to banded woods skids and stainless steel bands for inserting pipes into casings. AZ spacers also eliminate the need for sand or grout filling of the annular space in the casing. All are adaptable to a wide variety of carrier pipe O.D.’s found on PVC Pressure/Sewer Pipe, DI-Ductile Iron, C-900, P.E., and IPS-Steel Pipes.
Benefits and Features
- Variable O.D.’s of casing spacer to fit multiple sized space
- Manufactured from UV resistant polypropylene
- Runner heights may be interchanged or field cut to adjust for grade
- Corrosion protection – only metal components are steel bolts/nuts
- One piece molded construction for maximum load bearing
- Allen Head Bolts for improved spacer tightening
Targeted Use
Water
- For carrier pipe diameters ranging from 3.85″ (9.78mm) to 13.75″ (34.9mm).
- For carrier pipe insertion lengths up to 300 feet.*
- Spacing Recommendation: All Model AZ Isolator/Spacers should not exceed 5-feet (1.5-meters) to 8-feet (2.4-meters) center-to-center. An isolator/spacer should be placed within 2-feet (0.6-meters) on each side of a coupling or joint and within 1-foot (0.3-meters) of each end of the casing.
- Recommended End Seals: Model C, S, W, and R
Typical Application for Model AZ Casing Spacers
Water
- For carrier pipe diameters ranging from 3.85″ (9.78mm) to 13.75″ (34.9mm).
- For carrier pipe insertion lengths up to 300 feet.*
- Spacing Recommendation: All Model AZ Isolator/Spacers should not exceed 5-feet (1.5-meters) to 8-feet (2.4-meters) center-to-center. An isolator/spacer should be placed within 2-feet (0.6-meters) on each side of a coupling or joint and within 1-foot (0.3-meters) of each end of the casing.
- Recommended End Seals: Model C, S, W, and R
Typical Application for Model AZ Casing Spacers
Material Specifications for
PSI Model AZ Casing Spacers and Isolators
| SPECIFICATION | ASTM TEST | VALUE |
|---|---|---|
| Material | Injection molded virgin polypropylene | |
| Tensile Strength |
D790 | 8,100 to 9,000 psi |
| Compressive Strength |
D695 | 3,000 psi (211 kg/cm2) |
| Water Absorption |
D570 | 0.1% |
| Temperature | -40°F to 180°F (-40°C to 82°C) | |
| Impact Strength |
D256 | 1.5 ft.lb./in. (0.8 joules/cm) |
| Dielectric Strength |
D149 | 800 V/mil. min. |
| Load Carrying Capacity* |
770 lbs. (340kg) | |
| Color | Black | |
| * The maximum load bearing capacity per spacer is based on 1 1/2″ (36mm) skid height in a cylindrical casing. | ||
- Liner – none
- Runners – Sizes and Configurations
4″ (101.6mm) through 12″ (305.0mm) = 3 to 5 segments/spacer. (See Chart below) - Hardware
Metallic – Allen Head Bolts and Square Nuts are plated steel
Warranty
Manufacturer’s warranty statement will be supplied upon request to Allied Corrosion Industries, Inc.
How to Order Model AZ Casing Spacers
To order Model AZ Non-Metallic Isolators please indicate the following:
- Quantity
- Model AZ
- Carrier Pipe O.D.
(Type and coating thickness if applicable) - Casing Pipe I.D.
(Type and coating thickness if applicable) - Bell or Joint O.D.
- Position Within Casing
- Contact your local distributor or Pipeline Seal & Insulator, Inc.
Model AZ Casing Spacer
Runner Height and Configurations
| Nominal Pipe Diameter |
O.D. Range | Segments per Spacer |
AZ1 Model Number |
Runner Height in. |
Position in Casing |
|---|---|---|---|---|---|
| 4.0″ | 3.86″ to 5.12″ (98-130mm) | 3 – AZ1 | AZ1-16 | 5/8″ (16mm) |  |
| AZ1-25 | 1.0″ (25mm) | ||||
| 6.0″ | 5.12″ to 6.77″ (130-172mm) | 4 – AZ1 | AZ1-36 | 1 1/2″ (36mm) | |
| AZ1-55 | 2 1/4″ (25mm) | ||||
| 6.0″ | 6.81″ to 7.95″ (173-202mm) | 5 – AZ1 | AZ1-75 | 3.0″ (75mm) | |
| AZ1-90 | 3 1/2″ (90mm) | ||||
| AZ1-110 | 4 1/2″ (110mm) |
| Nominal Pipe Diameter |
O.D. Range | Segments per Spacer |
AZ1 Model Number |
Runner Height in. |
Position in Casing |
|---|---|---|---|---|---|
| 8.0′ | 7.99″ to 9.05″ (203-230mm) | 3 – AZ2 | AZ2-16 | 5/8″ (16mm) | |
| AZ2-25 | 1.0″ (25mm) | ||||
| 8.0″ – 10.0″ | 9.21″ to 10.75″ (234-273mm) | 3 – AZ2 & 1-AZ1 | AZ2-36 | 1 1/2″ (36mm) | |
| AZ2-55 | 2 1/4″ (25mm) | ||||
| 10″ | 10.75″ to 11.85″ (273-301mm) | 4 – AZ2 | AZ2-75 | 3.0″ (75mm) | |
| AZ2-90 | 3 1/2″ (90mm) | ||||
| 12″ | 11.89″ to 13.78″ (302-350mm) | 4 – AZ2 & 1-AZ1 | AZ2-110 | 3.0″ (75mm) |
Typical Specifications for Model AZ Casing Spacers
Designed for 3.85″ through 13.75″ O.D. carrier pipes. Casing spacers shall be AZ segmented type molded in high density UV resistant polypropylene. Each spacer segment shall be a, “non-welded” molded piece designed for accommodating variable pipe O.D.’s by attachment of the required number of segments. Minimum spacer width shall be 5.2″ (132mm).
Runner height shall be sized correctly to provide adequate pipe support without the bell or joint contacting the casing during installation.
Approved ISO 9001:2000
Approved manufacturer: Pipeline Seal and Insulator, Inc.
End Seal Specification
After insertion of the carrier pipe in the casing, the ends of the casing shall be closed by installing a PSI Model “C”, Model “S” or Model “FW” casing end seal as manufactured by Pipeline Seal and Insulator, Inc., Houston, TX.
Link-Seal® End Seal Specification
(Carrier Pipe Must Centered Within Casing)
After insertion of the carrier pipe in the casing, the ends of the casing shall be closed by installing the Link-Seal® end seals and a 1/8″ thick synthetic rubber end seal equal to the PSI Model “C” end seal. Both as manufactured by Pipeline Seal and Insulator, Inc., Houston, TX.
Disclaimer
The foregoing performance data is intended as guideline material only and is based on assumptions of general and reasonable use. Performance suitability for any specific application should be determined by the user.
PDF Documents for Download
Casing Spacer and End SealsEngineering Manual and Buyers Guide
