Industry insight: Close to 5% of commercial beverage setups face service complications regarding backflow dangers every year, which impacts safety protocols and uptime across American establishments.
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Buy SD-3 series products at Installation Parts Supply for fast availability and professional advice. Our experts guide installers and specifiers to the right parts, ensuring quick nationwide shipment.
The compact valve features a durable stainless steel body and lead-free construction for code-friendly installs. Included straining capabilities and resilient body materials promote extended service life in active beverage and water setups.
With its dual check layout and atmospheric vent, this unit delivers clear visual indication of how the checks are performing. It withstands regular commercial pressures and heat while simplifying installation with 3/8 inch connections.
Trust Installation Parts Supply for original parts, supportive service, and the technical literature necessary to streamline jobs and ensure dispensing line reliability.
Overview Of The SD-3 Dual Check With Atmospheric Vent
Below is a brief summary of the SD-3’s performance and design to help installers confirm suitability quickly.
Construction highlights: This unit utilizes a stainless steel housing and a space-saving steel body. The lead-free build promotes compliance with codes and safe potable connections.
Performance And Protection
Its dual check design combined with an atmospheric vent delivers visible feedback on check operation. The included strainer lowers sediment levels, helping checks work efficiently and extending their life.

Specifications For Ratings And Connections
- Max operating pressure: 150 psi, rated for standard beverage line pressure requirements.
- Maximum temperature: 130°F for normal dispensing environments.
- Common 3/8 in female NPT input and 3/8 in flare output for easy installation.
| Feature | Details | Plus |
|---|---|---|
| Body material | Stainless steel | Corrosion resistance |
| Filter | Included | Less debris, longer life |
| Type | Dual check with atmospheric vent | Simple visual safeguard |
Features And Technical Specifications
Design and utility: This compact unit is designed for beverage and water setups where space efficiency and dependability count.
The stainless steel body and finish resist corrosion and stand up to busy service environments. Lead-free manufacturing ensures code compliance and safe potable water links.
- Pressure and Temp: Continuous operation under pressure with a maximum rating of 150 psi and a high-temp limit of 130°F.
- Connections: Common 3/8 in female NPT intake and 3/8 in flare discharge simplify retrofits and installs.
- Safeguards: A dual check architecture with an atmospheric vent offers backpressure defense and a visual indication of check status.
- Gasket Materials: Santoprene discs coupled with a Noryl seat ensure reliable sealing for the valve parts.
- Debris Control: Built-in wye pattern straining traps debris and reduces maintenance needs.
| Spec Category | Technical Data | User Advantage |
|---|---|---|
| Construction material | SS | Long-lasting, rust resistant |
| Max Pressure | 150 PSI | Manages standard dispensing pressure |
| Strainer | Wye-pattern strainer | Protects checks, reduces servicing |
| Series | SD-3 | Designed for drink line integration |
Installation Parts Supply provides spec sheets and installation instructions to help engineers and installers specify the correct series components fast.
Watts Asse 1022 Backflow Preventer Use Cases And Buying Info
Purchase with confidence: Installation Parts Supply holds stock of the SD-3 model for dispensing setups and offers rapid US shipping plus expert support.
Great For Coffee Shops, Bars, And Vending Gear
The SD-3 works with typical dispensing equipment and supports beverage machines and carbonators in high-volume areas.
Its space-saving size ensures simple installs and tidy lines while protecting equipment and product from check valve backflow issues.
Atmospheric Vent For Visible Service Indicators
The atmospheric port provides visible indication so staff can spot issues early. This vent provides visual indication of second check health.
In the event of a second check failure, the port gives visual signals for speedy maintenance and decreased downtime.
Model And Ordering Details
Model: SD-3 (Lead Free). EAN: 098268848953. Part No.: 0061657.
| Attribute | Data | Benefit |
|---|---|---|
| Connections | 3/8 in NPT inlet / 3/8 in flare outlet | Simple link to drink lines |
| Strainer | Yes – port strainer carbonated design | Guards checks, lowers clogs |
| Support Docs | Spec sheet and install guide | Precise ordering using EAN/UPC |
We inventory the SD-3 for beverage maintenance pros. Order at Installation Parts Supply to maintain beverage machines and get rapid support specifying the proper equipment.
Final Thoughts
In need of a compact dual check valve featuring an atmospheric port? Installation Parts Supply renders ordering fast and simple.
The SD-3 matches a stainless steel housing with an integrated strainer and clear atmospheric port signals. This device handles common dispensing pressure and makes service easier with visible vent indicators.
Order securely: use the EAN 098268848953 or Part Number 0061657 to purchase the exact valve configuration again. Reach out to Installation Parts Supply for helpful assistance matching connections and docs so water and beverage lines stay running.
