Spring Hydrant Valve – WSAA Approval
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Technical Information
Applications
Spring hydrant valves – swab type are used to provide access to pipelines via standpipe attachment for firefighting, flushing and scouring purposes and allows direct full-bore access for insertion/removal or swabs.
Typical applications include;
- Potable and non-potable water supply
- Irrigation and raw water
- Fire systems
- Buried and above ground
Features and Benefits
| Features | Benefits |
| Removable support insert | Allows direct full-bore access to the pipeline for the insertion and/or removal of swabs. |
| 10-year manufacturers’ warranty | Confidence of the highest quality valves, backed by a 10-year manufacturer’s warranty. |
| Factory tested | Each spring hydrant valve undergoes hydrostatic pressure testing |
| Reduced weight design | Safer and easier installation |
| Ductile iron body and yoke | Superior strength and impact resistance |
| Local inventory available | Fast and flexible supply to meet project demands |
| Manufactured & certified to AS3952 | Guaranteed quality products |
| Thermally bonded polymeric coating | Long-term corrosion resistance and performance |
Compliance
- AS3952 “Water supply – Spring hydrant valve for waterworks purposes”
- AS/NZS4158 “Thermal-bonded polymeric coatings on valves and fittings for water industry purposes”
- AS1646 “Elastomeric seals for waterworks purposes”
- AS1831 “Ductile cast iron”
- AS/NZS4087 “Metallic flanges for waterworks purposes”
- AS/NZS4020 “Testing of products for use in contact with drinking water”
Product Certification
Clover spring hydrant valves – swab type are manufactured and independently third party certified to AS3952 “Water supply – Spring hydrant valve for waterworks purposes”
Accreditation body: Australian Certification Services – 22026
WSAA Appraisal
Clover spring hydrant valves – swab type are independently appraised and recommended by the Water Services Association of Australia (WSAA);
- Product Appraisal 11/28
WSAA Purchase Specification
Clover spring hydrant valves – swab type comply with the requirements of the following Water Services Association of Australia (WSAA) purchase specification(s);
- WSA PS267 – Hydrants (Spring) for Pressure Applications – Water Supply
Suitability for Use with Potable Water (AS/NZS4020 Compliance)
Clover spring hydrant valves – swab type are suitable for potable water applications and comply with the requirements of AS/NZS4020 “Testing of products for use in contact with drinking water”.
Diameter Range
Clover spring hydrant valves – swab type are manufactured with nominal diameters ranging from DN80 to DN100.
Pressure
Clover spring hydrant valves are manufactured with a standard nominal pressure range of PN16 (1,600kPa).
| Nominal Pressure (PN) | Allowable Operating Pressure (AOP) | Maximum Allowable Operating Pressure (MAOP) | Allowable Site Test Pressure (ASTP) | Production Test – Body | Production Test – Seat |
| 16 | 1,600 kPa | 1,920 kPa | 2,000 kPa | 2,400 kPa | 1,760 kPa |
Coating
Clover spring hydrant valves – swab type are manufactured with a thermally bonded polymeric coating using a fluidised bed process in accordance with the requirements of AS/NZS4158 “Thermal-bonded polymeric coatings on valves and fittings for water industry purposes”.
Dimensions
| Specifications | SYM | UNITS | DN80 | DN100 |
| Height | H | mm | 264 | 264 |
| Width (Flange Face) | W | mm | 143 | 166 |
| Width (Bolt Lugs) | W1 | mm | 216 | 216 |
| Flange Bolt Holes | N | mm | 4Ø18 | 4Ø18 |
| Pitch Circle Diameter | PCD | mm | 146 | 178 |
| Weight of Unit | kg | 11 | 13 | |
| Product Code – Potable | VH080S | VH100S | ||
| Product Code – Non-Potable (Lilac Yoke) | VH080LS | VH100LS |
Components
| Item | Part Name | Material | Standard/Grade |
| 1 | Body | Ductile Iron/Polymeric Coating | AS1831 500-7/AS4158 |
| 2 | Dome | Aluminium Bronze | C48600 |
| 3 | Spring | 304 Stainless Steel | ASTM 276/304 |
| 4 | Seat Gasket | EPDM Elastomer | AS1646/EPDM |
| 5 | Yoke | Ductile Iron/Polymeric Coating | AS1831 500-7/AS4158 |
| 6 | Washer | 316 Stainless Steel | ASTM 276/316 |
| 7 | Hex Nut | 316 Stainless Steel | ASTM 276/316 |
| 8 | Bolt | 316 Stainless Steel | ASTM 276/316 |
| 9 | Dust Cover | PVC | |
| 10 | Removable Support | Ductile Iron/Polymeric Coating | AS1831 500-7/AS4158 |
End Connections:
Clover spring hydrant valves – swab type are manufactured with flanged connections in accordance with AS/NZS4087 Fig. B5.
Maximum Operating Temperature
40°
Options & Accessories
Clover spring hydrant valves – swab type have a range of options and accessories available including:
- Lilac coloured yoke for non-potable water applications
- Hydrant/Air isolation valve
- Hydrant covers
- Hydrant marker posts
- Flange gasket kits
Contact Clover for further information.
Mechanical Properties – Ductile Iron
| Property | Value & Unit |
| Ultimate tensile strength (Minimum) | 500MPa |
| Elongation (Minimum) | 7% |
| Density (Specific Gravity) | 7.1 |
Mechanical Properties - Coating
| Property | Value & Unit |
| Internal Surface (in contact with drinking water) | 350 Microns |
| External Surface | 300 Microns |
Installation, Operation & Maintenance
Installation Training
Clover’s in-house engineering team provides a range of training, accreditation and technical support services.
The Clover Academy installation training course provides installers with important information relating to the correct handling, installation, testing, maintenance and repair of Clover pipe systems and products.
Contact the Clover engineering team to discuss scheduling a training program.
Technical Support
Clover’s in-house engineering team combines specialist technical knowledge, creative thinking and on-the-job experience, to offer our clients a range of project planning and consultation services.
From recommendations on product innovations, to crafting complex end-to-end solutions, our collaborative approach bridges the gap between contractors, authorities and suppliers. The only Australian provider able to offer clients the full product suite, Clover offers unbiased, strategic insights that always consider the bigger picture.
From initial planning, to onsite training and technical assistance, we offer input across every stage of your project’s timeline. Our contribution continues beyond the project design, and we remain accessible for ongoing changes and developments over the course of each project.
We work with contractors, asset managers, local councils and government, developers and other pipeline professionals to specify bespoke product solutions. By engaging our team of engineers, you gain access to unparalleled product knowledge and expertise.
Recommended Specifications
- Spring hydrant valves – swab type shall be Clover type conforming to AS3952
- Spring hydrant valves – swab type shall be DN80 / DN100
- Spring hydrant valve – swab type allowable operating pressure shall be 1,600kPa
- Spring hydrant valve – swab type shall have removable insert to allow placement to allow full bore access for placement/removal or swabs
- Protective coatings of spring hydrant valves shall be thermally applied polymeric type in accordance with AS/NZS4158
Technical Documents
Spring Hydrant Valve Swab Type – Technical Data Sheet
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