| Brand: | Zurn Wilkins |
| Category: | Backflow Prevention, 350 Series |
| Size Range: | 65-300mm |
| Connection: | Grooved |
Product Description
The Zurn Wilkins 350A series is a high-performance backflow designed for installaion on potable water lines to protect against both backsiphonage and backpressure of polluted water into the potable water supply. The Model 350 shall provides protection where a potencial health hazard exists. (Medium Hazard)
Features and Benefits
- Short lay length for small space installation
- Reliable performance and improved flow characteristics from patented Compound check
- Available grooved end connections for installation versatility.
- Single access cover reduces maintenance down time.
Standards Compliance
- Australian Watermark and Standards Mark
(Horizontal and Vertical)
- ASSE® Listed 1015
- AWWA Compliant C510 (with gates only)
- CSA® Certified B64.5
- IAPMO® Listed
- UL® Classified
- C-UL® Classified
- FM® Approved (2 1/2” - 10”)
- NYC MEA 220-04-M Vol 2 (65-200mm)
- Approved by the Foundation for Cross Connection Control and Hydraulic Research at the University of Southern California
Technical Data
Operating Parameters
- Max. Working Water Pressure: 1203kPa
- Max. Working Temperature: 60°C
- Hydrostatic Test Pressure: 2413kPa
- End Connections: Grooved
Materials
- Main Valve Body: Ductile Iron ASTM A 536
- Access Cover: Ductile Iron ASTM A 536
- Coatings: NSF Approved fusion epoxy finish
- Internals: Stainless Steel, 300 Series
- Fasteners: Stainless Steel, 300 Series
- Seal Ring: EPDM (FDA Approved)
- O-Ring: Buna Nitrile (FDA Approved)
- Springs: Stainless Steel, 300 Series
Flow Characteristics
MODEL 350 65mm, 80mm & 100mm (STANDARD & METRIC)
Zurn Wilkins - 350L - 65mm, 80mm 100mm - Flow Rates
MODEL 350 250mm & 300mm (STANDARD & METRIC)
Zurn Wilkins - 350L - 250mm, 300mm - Flow Rates
Technical Specifications
Dimensional Drawing
Dimensions and Weights (Do not include pkg.)
Typical Installation
Local codes shall govern installation requirements. The installation shall be made so that no part of the unit can be submerged.
Zurn Wilkins - 350L/375L Series - 65-300mm - Repair Kits
| Product Code | Size | Description |
|---|---|---|
RK212-350 |
65-80mm |
Model 350/375L - Repair Kit - Check Rubbers only (Suits Ductile and Stainless) |
RK4-350 |
100mm |
Model 350/375L - Repair Kit - Check Rubbers only (Suits Ductile and Stainless) |
RK6-350 |
150mm |
Model 350/375L - Repair Kit - Check Rubbers only (Suits Ductile and Stainless) |
RK8-350 |
200-300mm |
Model 350/375L - Repair Kit - Check Rubbers only (Suits Ductile and Stainless) |
Model 350/375L Repair Kit - Check Rubbers only (Suits Ductile and Stainless)
| Pos. | Description | Qty |
|---|---|---|
1 |
Seal Ring for Check Assembly #1 |
1 |
2 |
Seal Ring for Check Assembly #2 |
1 |
3 |
O-Rings for Poppet Bolt |
2 |
4 |
O-Ring for #1 Check |
1 |
5 |
O-Ring for #2 Check |
1 |
Model 350/375L - Repair Kit - Check Rubbers only (Suits Ductile and Stainless)
| Pos. | Description | Qty | |
|---|---|---|---|
1 |
Seal Ring for Check Assembly #1 |
1 |
|
2 |
Seal Ring for Check Assembly #2 |
1 |
|
3 |
O-Rings for Poppet Belt |
8 |
|
4 |
O-Rings for Checks |
2 |
|
5 |
O-Rings for AST valves |
2 |
|
Model 350/375L - Repair Kit - Check Rubbers only (Suits Ductile and Stainless)
| Pos. | Description | Qty | |
|---|---|---|---|
1 |
O-Ring for #1 Check |
1 |
|
2 |
O-Ring for #2 Check |
1 |
|
3 |
O-Rings for Poppet Bolt |
8 |
|
4 |
Seal Ring for Check Assembly #1 |
1 |
|
5 |
Seal Ring for Check Assembly #2 |
1 |
|
6 |
Lubricant |
2 |
Model 350/375L - Repair Kit - Check Rubbers only (Suits Ductile and Stainless)
| Pos. | Description | Qty | |
|---|---|---|---|
1 |
O-Ring for #1 Check |
1 |
|
2 |
O-Ring for #2 Check |
1 |
|
3 |
O-Rings for Poppet Bolt |
8 |
|
4 |
Seal Ring for Check Assembly #1 |
1 |
|
5 |
Seal Ring for Check Assembly #2 |
1 |
|
Zurn Wilkins - 350L/375L Series - 65-300mm - Spare Parts
Check Assembly
| Pos. | Product Code | Size | Description |
|---|---|---|---|
1 |
3507-300 |
65-80mm |
Check Assembly #1 |
2 |
3507-300A |
65-80mm |
Check Assembly #2 |
3 |
3509-300A |
100mm |
Check Assembly #1 |
4 |
3509-300B |
100mm |
Check Assembly #2 |
5 |
3510-300A |
150mm |
Check Assembly #1 |
6 |
3510-300B |
150mm |
Check Assembly #2 |
7 |
3512-300A |
200-300mm |
Check Assembly #1 |
8 |
3512-300B |
200-300mm |
Check Assembly #2 |
Check Retainers
1. 3507-14F
2. 3507-14G
3. 3509-14B
4. 3509-140
5. 3510-14B
6. 3510-140
| Pos. | Product Code | Size | Description |
|---|---|---|---|
1 |
3507-14F |
65-80mm |
Seat Retainer #1 Check |
2 |
3507-14G |
65-80mm |
Seat Retainer #2 Check |
3 |
3509-14B |
100mm |
Seat Retainer #1 Check |
4 |
3509-140 |
100mm |
Seat Retainer #2 Check |
5 |
3510-14B |
150mm |
Seat Retainer #1 Check |
6 |
3510-140 |
150mm |
Seat Retainer #2 Check |
Zurn Wilkins - 350A Series, Ductile Iron - Backflow Preventer
Medium Hazard, High-Performance, Low Head Loss Backflow Preventer
Zurn Wilkins - 350A100
| Product Code | Size | Description |
|---|---|---|
350L065 |
65mm |
Medium Hazard, Double Check Backflow Preventer - Model 350 - Flanged to AS2129 Table D/E |
350L080 |
80mm |
Medium Hazard, Double Check Backflow Preventer - Model 350 - Flanged to AS2129 Table D/E |
350L100 |
100mm |
Medium Hazard, Double Check Backflow Preventer - Model 350 - Flanged to AS2129 Table D |
350L150 |
150mm |
Medium Hazard, Double Check Backflow Preventer - Model 350 - Flanged to AS2129 Table D/E |
350L200 |
200mm |
Medium Hazard, Double Check Backflow Preventer - Model 350 - Flanged to AS2129 Table D/E |
350L250 |
250mm |
Medium Hazard, Double Check Backflow Preventer - Model 350 - Flanged to AS2129 Table D |
Additional Accessories
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
| 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 |
To suit 350/375 ASTL Grooved backflow devices and grooved gate valves, butterfly valves or welding strainer.
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 |
