![Zurn Wilkins - 350AST - Product Image](https://deeco-production.s3.amazonaws.com/images/Zurn_Wilkins_-_350AST_-_Product_Im.2e16d0ba.fill-500x500.jpg)
Brand: | Zurn Wilkins |
Category: | Backflow Prevention, 350 Series |
Size Range: | 100-250mm |
Connection: | Grooved |
Product Description
The Zurn Wilkins 350 ASTL series is a medium-hazard, high-performance, low-head loss, Corrosion-resistant double-check backflow preventer, designed for installation on potable water lines to protect against both back siphonage and backpressure of polluted water into the potable water supply
Features and Benefits
- Short lay-length for small space installation
- Reliable performance and improved flow characteristics from patented Compound Check, allowing for installation in lower-pressure systems
- Ideal for any backflow replacement
- Lower maintenance costs from corrosion resistance of the stainless body
Typical Application
Designed for installation on potable water lines to protect against both back siphonage and backpressure of polluted water into the potable water supply. The Model 350AST shall provide protection where a potential health hazard does not exist. Ideal for use where Lead-Free* valves are required.
Standard Compliance (Horizontal and Vertical)
- ASSE® Listed 1015
- AWWA Compliant C510 (with gates only), and C550
- UL® Classified
- C-UL® Classified
- FM® Approved
- CSA® Certified
- IAPMO® Listed
- Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California
- NSF® Listed-Standard 61, Annex G*
- Certified to NSF/ANSI 372* by IAPMO R&T
- Watermark
*(0.25% max. weighted average lead content)
![Standard Compliance](https://deeco-production.s3.amazonaws.com/images/Standard_Compliance.width-1350.png)
Technical Data
- Sizes: 100, 150, 200, 250mm
- Maximum Working Water Pressure: 12 Bar
- Maximum Working Water Temperature: 60°C
- Hydrostatic Test Pressure: 24 Bar
- End Connections: Grooved for Clamp System AWWA C606
Materials
- Main Valve Body: 304L Stainless Steel
- Access Covers: 304L Stainless Steel
- Internals: Stainless Steel, 300 Series NORYL™, NSF listed
- Fasteners and Springs: Stainless Steel, 300 Series
- Seal Ring: EPDM (FDA Approved)
- O-Ring: Buns Nitrile (FDA Approved)
Flow Characteristics
Model 350 AST 4" (Standard & Metric)
Flow Rates(l/s)
![Model 350 AST - Flow 1](https://deeco-production.s3.amazonaws.com/images/Model_350_AST_-_Flow_1.width-1350.png)
Model 350 AST 6", 8" (Standard & Metric)
Flow Rates (l/s)
![Model 350 AST - Flow 2](https://deeco-production.s3.amazonaws.com/images/Model_350_AST_-_Flow_2.width-1350.png)
Dimensions and Weights
![350 ASTL - Dimensions and Weights](https://deeco-production.s3.amazonaws.com/images/350_ASTL_-_Dimensions_and_Weights.width-1000.png)
![350 ASTL - Dimensions and Weights 2](https://deeco-production.s3.amazonaws.com/images/350_ASTL_-_Dimensions_and_Weights_2.width-1350.png)
Technical Specifications
The Double Check Backflow Prevention Assembly shall be certified to NSF/ANSI 372, ASSE® Listed 1015, and installed with full port gate valves. The main body and access cover shall be 304L Stainless Steel, the seat ring and check valve shall be NORYL™, the stem shall be stainless steel (ASTM A 276) and the seat disc elastomers shall be EPDM. The checks shall be accessible for maintenance without removing the device from the line. The Double Check Backflow Prevention Assembly shall be a ZURN WILKINS Model 350AST
Typical Installation
Local codes shall govern installation requirements. Unless otherwise specified, the assembly shall be mounted at a minimum of 12" (305mm) and a maximum of 30" (762mm) above adequate drains with sufficient side clearance for testing and maintenance.
![350 ASTL - Typical Installation](https://deeco-production.s3.amazonaws.com/images/350_ASTL_-_Typical_Installation_Gt3OThw.width-1350.png)
Zurn Wilkins - 350ASTL Series, Stainless Steel - Backflow Preventer - Device Only
Medium Hazard, High-Performance, Low Head Loss, Corrosion Resistant Backflow Preventer
![350ASTL100-1 (1)](https://deeco-production.s3.amazonaws.com/images/350ASTL100-1_1.2e16d0ba.fill-1000x1000.jpg)
Zurn Wilkins - 350ASTL100
Product Code | Size | Description |
---|---|---|
350ASTL100 | 100mm | Medium Hazard, Stainless Steel, Double Check Backflow Preventer - Model 350ASTL - Grooved |
350ASTL150 | 150mm | Medium Hazard, Stainless Steel, Double Check Backflow Preventer - Model 350ASTL - Grooved |
350ASTL200 | 200mm | Medium Hazard, Stainless Steel, Double Check Backflow Preventer - Model 350ASTL - Grooved |
Available in AS4087-2011 PN16 Flange/Flanges or Grooved Connections.
Zurn Wilkins - 350ASTDAL Series, Stainless Steel - Double Check Detector Assembly
Testable double-check assembly with 20mm Sensus water meter and testable double-check assembly bypass with lockable ball valves.
AON approved for Firelines.
![350DAL](https://deeco-production.s3.amazonaws.com/images/350DAL.2e16d0ba.fill-1000x1000.jpg)
Zurn Wilkins - 350ASTDAL200
Product Code | Size | Description |
---|---|---|
350ASTDAL100 | 100mm | Backflow Preventer Assembly and Detector Check - Stainless Steel, Grooved |
350ASTDAL150 | 150mm | Backflow Preventer Assembly and Detector Check - Stainless Steel, Grooved |
350ASTDAL200 | 200mm | Backflow Preventer Assembly and Detector Check - Stainless Steel, Grooved |
Additional Accessories
Epoxy Coated with Stainless Steel Screen. Flange/Flange - AS2129 Table D
![YS100](https://deeco-production.s3.amazonaws.com/images/YS100.2e16d0ba.fill-1000x1000.jpg)
Zurn Wilkins - YS100
Prooduct Code | Size | Description |
---|---|---|
YS065 | 65mm | Flanged Y Strainer, FBE Coated, Flange/Flange - AS2129 Table D/E |
YS080 | 80mm | Flanged Y Strainer, FBE Coated, Flange/Flange - AS2129 Table D/E |
YS100 | 100mm | Flanged Y Strainer, FBE Coated, Flange/Flange - AS2129 Table D |
YS150 | 150mm | Flanged Y Strainer, FBE Coated, Flange/Flange - AS2129 Table D/E |
YS200 | 200mm | Flanged Y Strainer, FBE Coated, Flange/Flange - AS2129 Table D/E |
YS250 | 250mm | Flanged Y Strainer, FBE Coated, Flange/Flange - AS2129 Table D/E |
![nrs080](https://deeco-production.s3.amazonaws.com/images/nrs080.2e16d0ba.fill-1000x1000.jpg)
NRS080
Prooduct Code | Size | Description |
---|---|---|
NRS065 | 65mm | Isolating Gate Valve c/w Handle Wheel and Non-Rising Stem. Full Bore AS4087 PN16. Flange / Flange |
NRS080 | 80mm | Isolating Gate Valve c/w Handle Wheel and Non-Rising Stem. Full Bore AS4087 PN16. Flange / Flange |
NRS100 | 100mm | Isolating Gate Valve c/w Handle Wheel and Non-Rising Stem. Full Bore AS4087 PN16. Flange / Flange |
NRS150 | 150mm | Isolating Gate Valve c/w Handle Wheel and Non-Rising Stem. Full Bore AS4087 PN16. Flange / Flange |
NRS200 | 200mm | Isolating Gate Valve c/w Handle Wheel and Non-Rising Stem. Full Bore AS4087 PN16. Flange / Flange |
NRS250 | 250mm | Isolating Gate Valve c/w Handle Wheel and Non-Rising Stem. Full Bore AS4087 PN16. Flange / Flange |
![Butterfly valve](https://deeco-production.s3.amazonaws.com/images/Butterfly_valve.2e16d0ba.fill-1000x1000.jpg)
BV100
Prooduct Code | Size | Description |
---|---|---|
BV050 | 50mm | Wafer (Universal) Epoxy Coated CI Body, SS316 Disc, EPDM Seat, c/w Notched Lever Handle |
BV065 | 65mm | Wafer (Universal) Epoxy Coated CI Body, SS316 Disc, EPDM Seat, c/w Notched Lever Handle |
BV080 | 80mm | Wafer (Universal) Epoxy Coated CI Body, SS316 Disc, EPDM Seat, c/w Notched Lever Handle |
BV100 | 100mm | Wafer (Universal) Epoxy Coated CI Body, SS316 Disc, EPDM Seat, c/w Notched Lever Handle |
BV150 | 150mm | Wafer (Universal) Epoxy Coated CI Body, SS316 Disc, EPDM Seat, c/w Notched Lever Handle |
BV200 | 200mm | Wafer (Universal) Epoxy Coated CI Body, SS316 Disc, EPDM Seat, c/w Notched Lever Handle |
BV250 | 250mm | Wafer (Universal) Epoxy Coated CI Body, SS316 Disc, EPDM Seat, c/w Notched Lever Handle |
![rsm100](https://deeco-production.s3.amazonaws.com/images/rsm100.2e16d0ba.fill-1000x1000.jpg)
RSM100
Prooduct Code | Size | Description |
---|---|---|
RSM100 | 100mm | Gate Valve - Table D/E Flange Type or Grooved - with Tamper Switch |
RSM150 | 150mm | Gate Valve - Table D/E Flange Type or Grooved - with Tamper Switch |
RSM200 | 200mm | Gate Valve - Table D/E Flange Type or Grooved - with Tamper Switch |
SBOV100 | 100mm | Grooved Butterfly Valve with Tamper Switch |
SBOV150 | 150mm | Grooved Butterfly Valve with Tamper Switch |
SBOV200 | 200mm | Grooved Butterfly Valve with Tamper Switch |
Grooved Connection, High Performance Welding Strainer.
![100ws2000](https://deeco-production.s3.amazonaws.com/images/100ws2000.2e16d0ba.fill-1000x1000.jpg)
100WS2000
Prooduct Code | Size | Description |
---|---|---|
100WS2000 | 100mm | Welding Strainer 500-2,000 l/m |
150WS4000 | 150mm | Welding Strainer ~4,000 l/m |
150WS4500 | 150mm | Welding Strainer ~4,500 l/m |
150WS5000 | 150mm | Welding Strainer 5,000 l/m |
200WS6000 | 200mm | Welding Strainer ~6,000 l/m |
200WS6500 | 200mm | Welding Strainer 6,500 l/m |
200WS7000 | 200mm | Welding Strainer 7,000 l/m |
200WS7500 | 200mm | Welding Strainer 7,500 l/m |
![rggf100](https://deeco-production.s3.amazonaws.com/images/rggf100.2e16d0ba.fill-1000x1000.jpg)
RGGF100
Prooduct Code | Size | Description |
---|---|---|
GC100 | 100mm | Roll Groove / Roll Groove Rigid Coupler - Galvanised |
GC150 | 150mm | Roll Groove / Roll Groove Rigid Coupler - Galvanised |
GC200 | 200mm | Roll Groove / Roll Groove Rigid Coupler - Galvanised |
RGFA100 | 100mm | Roll Groove Fixed Flange Adaptor - Table E - Galvanised |
RGFA150 | 150mm | Roll Groove Fixed Flange Adaptor - Table E - Galvanised |
RGFA200 | 200mm | Roll Groove Fixed Flange Adaptor - Table E - Galvanised |
RGGF100 | 100mm | Roll Groove Hinged Flange Adaptor - Table E - Galvanised |
RGGF150 | 150mm | Roll Groove Hinged Flange Adaptor - Table E - Galvanised |
RGGF200 | 200mm | Roll Groove Hinged Flange Adaptor - Table E - Galvanised |