Applications

Clover resilient seat gate valves are suitable for use in pressure and non-pressure water supply and sewerage applications. Gate valves are used to isolate flow within pipeline sections, pipeline equipment and offtakes.

Typical applications include;

• Potable and recycled water supply
• Irrigation and raw water
• Gravity and sewer rising mains
• Fire systems
• Stormwater and drainage
• Buried and above ground

Gate valves should not be used for the purposes of throttling or adjusting flow.

Compliance

• AS/NZS2638.2 “Gate valves for waterworks purposes – Resilient seated”
• 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”
• AS2129 “Flanges for pipes, valves and fittings”
• AS/NZS4020 “Testing of products for use in contact with drinking water”
• ISO5211 “Industrial Valves – Part-turn actuator attachments”

Product & Watermark Certification

Clover resilient seat gate valves are manufactured and independently third party certified to AS/NZS2638.2 “Gate valves for waterworks purposes – Resilient seated”.

Accreditation body: Australian Certification Services – 25731

WSAA Product Appraisal

Clover resilient seat gate valves are independently appraised and recommended by the Water Services Association of Australia (WSAA);

• Product Appraisal 11/21

Suitability for Use with Potable Water (AS/NZS4020 Compliance)

Clover resilient seat gate valves are suitable for potable water applications and comply with the requirements of AS/NZS4020 “Testing of products for use in contact with drinking water”.

WSAA Purchase Specification

Clover resilient seat gate valves comply with the requirements of the following WSAA Purchase Specification:

• WSA PS260 – Gate Valves, Resilient Seated for Pressure Applications – Water Supply and Sewerage

Diameter Range

Clover resilient seat double flange PN16 gate valves are manufactured with nominal diameters ranging from DN50 to DN600.

For gate valves with larger diameters please contact Clover for additional technical and pricing information.

Pressure

Clover resilient seat double flange PN16 gate valves are manufactured with a standard nominal pressure range of PN16 (1,600kPa).

Coating

Clover resilient seat gate valves are manufactured with a thermally bonded polymeric coating using a fluidised bed process in accordance with the requirements of AS/NZS4158.

End Connections

Clover resilient seat double flange PN16 gate valves are manufactured with flanged connections in accordance with;

• DN80 to DN600 – AS/NZS4087 Fig. B5
• DN50 to DN65 – AS2129 Table E

Maximum Operating Temperature

40°

Options & Accessories

Clover resilient seat gate valves have a range of options and accessories available including:

• Anti-clockwise and clockwise closing models available
• Handwheel
• Gearbox Operator (Spur & Bevel)
• ISO5211 Top Mounting Flange
• Anchor Legs and Valve Restraint Straps
• Lilac coloured key-cap available for recycled water applications
• Alternate flange drillings available upon request

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

Flange Assembly Installation Guide

PDF, 216.5K

Download

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

• Gate valves shall be Clover Pipelines resilient seated non-rising spindle type conforming to AS/NZS2638.2
• Gate valves shall close in an anti-clockwise / clockwise direction
• Gate valves shall be fitted with a keycap / handwheel
• Gate valve allowable operating pressure shall be 1,600kPa
• Protective coatings of gate valves shall be thermally applied polymeric type in accordance with AS/NZS4158
• Flanges shall be raised face type in accordance with AS/NZS4087 Fig. B5 (DN80-DN600) / AS2129 Table E (DN50-DN65)

Technical Documents