Surprising fact: nearly 1 in 20 commercial beverage lines report service issues from backflow risks each year, impacting safety and uptime across venues in the United States.
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Purchase the SD-3 series solutions from Installation Parts Supply to gain immediate access and expert recommendations. Our experts guide installers and specifiers to the right parts, ensuring quick nationwide shipment.
The space-saving valve highlights a sturdy stainless steel frame and lead-free composition for installations that meet codes. An integrated strainer and strong materials ensure a long lifespan in high-traffic water and beverage systems.
The dual check configuration featuring an atmospheric vent provides distinct, visual feedback on valve performance. It copes with common commercial pressure and temperature levels while streamlining connection via 3/8″ ports.
Depend on Installation Parts Supply for real parts, expert support, and the installation specs needed to smooth out projects and keep beverage lines running reliably.
Overview Of The SD-3 Dual Check With Atmospheric Vent
This is a quick guide to the SD-3 performance and design, allowing installers to verify compatibility fast.
Materials and build: The device features a stainless steel shell alongside a compact steel body. Lead-free manufacturing aids code compliance and secures safe potable water links.
Protection And Performance
The dual-check arrangement with an atmospheric vent provides a visual sign of check valve function. An internal strainer minimizes sediment, allowing the checks to function smoothly and last longer.

Connections And Ratings
- Max operating pressure: 150 psi, rated for standard beverage line pressure requirements.
- Top temperature: 130°F for typical dispensing environments.
- Standard 3/8″ female NPT intake and 3/8″ flare exhaust for simple connections.
| Spec | Details | Benefit |
|---|---|---|
| Body material | Stainless steel | Resists rust |
| Filter | Yes | Reduces debris, extends life |
| Configuration | Dual check w/ atmospheric vent | Simple visual safeguard |
Technical Specifications And Features
Main construction: This space-saving unit is made for beverage and water applications where space and reliability are important.
The stainless steel body and finish resist corrosion and stand up to busy service environments. Lead-free construction supports code compliance and safe potable connections.
- Pressure & temperature: Continuous pressure function with a max working rating of 150 psi and a peak temp of 130°F.
- Fittings: Standard 3/8 inch female NPT inlet and 3/8 inch flare outlet streamline installs and replacements.
- Safety: A dual check design featuring an atmospheric vent provides backpressure protection and visual status indication.
- Gasket Materials: Noryl seats and Santoprene discs provide dependable sealing for the check valve elements.
- Filtration: Integrated wye pattern straining captures debris and lowers maintenance frequency.
| Feature | Specification | User Advantage |
|---|---|---|
| Construction material | SS | Durable, corrosion resistant |
| Maximum working pressure | 150 psi | Manages standard dispensing pressure |
| Strainer | Wye-pattern strainer | Guards checks, cuts maintenance |
| Series | Series SD-3 | Designed for drink line integration |
Installation Parts Supply delivers specification sheets and installation directions to aid installers and engineers in specifying the proper series components rapidly.
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Purchase with confidence: Installation Parts Supply holds stock of the SD-3 model for dispensing setups and offers rapid US shipping plus expert support.
Ideal For Cafés, Bars, And Vending Equipment
The SD-3 works with typical dispensing equipment and supports beverage machines and carbonators in high-volume areas.
Its small size simplifies installations and keeps lines neat while shielding equipment and product from check valve backflow dangers.
Atmospheric Vent For Visible Service Indicators
The atmospheric vent provides a visual cue so personnel can detect issues early on. This vent provides visual indication of second check health.
If the second check fails, the vent provides visual cues for rapid service and minimized downtime.
Product Model And Order Specs
Unit: SD-3 (Lead Free). EAN: 098268848953. Part No.: 0061657.
| Item | Data | Advantage |
|---|---|---|
| Connections | 3/8″ NPT in / 3/8″ flare out | Simple link to drink lines |
| Strainer | Yes – carbonated design port strainer | Protects checks, reduces clogging |
| Documentation | Spec sheet & installation instructions | Accurate ordering with upc/EAN |
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 combines a stainless steel body with a built-in strainer and clear atmospheric vent feedback. This valve manages standard dispensing pressure and eases service with visible vent signals.
Purchase with assurance: utilize EAN 098268848953 or Part No. 0061657 to reorder the correct valve configuration. Call Installation Parts Supply for friendly support matching connections and documentation to keep beverage and water lines flowing.