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ABF-1LL ASSE 1022 Vented Dual Check Backflow Preventer | 3/8" MNPT x 3/8" Flare | Lead-Free Brass | for Soda Beer Coffee Ice Machine CO2 Systems | Kantleak Design, Leak-Proof, Brass Construction, ABF-1FLL Model in Saudi Arabia ABF-1LL ASSE 1022 Vented Dual Check Backflow Preventer | 3/8" MNPT x 3/8" Flare | Lead-Free Brass | for Soda Beer Coffee Ice Machine CO2 Systems | Kantleak Design, Leak-Proof, Brass Construction, ABF-1FLL Model in Saudi Arabia ABF-1LL ASSE 1022 Vented Dual Check Backflow Preventer | 3/8" MNPT x 3/8" Flare | Lead-Free Brass | for Soda Beer Coffee Ice Machine CO2 Systems | Kantleak Design, Leak-Proof, Brass Construction, ABF-1FLL Model in Saudi Arabia ABF-1LL ASSE 1022 Vented Dual Check Backflow Preventer | 3/8" MNPT x 3/8" Flare | Lead-Free Brass | for Soda Beer Coffee Ice Machine CO2 Systems | Kantleak Design, Leak-Proof, Brass Construction, ABF-1FLL Model in Saudi Arabia

ABF-1LL ASSE 1022 Vented Dual Check Backflow Preventer | 3/8" MNPT x 3/8" Flare | Lead-Free Brass | for Soda Beer Coffee Ice Machine CO2 Systems | Kantleak Design, Leak-Proof, Brass Construction, ABF-1FLL Model

SAR 224
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Special Features

  • ASSE 1022 VENTED DUAL CHECK BACKFLOW PREVENTER — Protects connected plumbing and drinking water from the corrosive effects of CO2 gas in carbonator and beverage dispensing systems. The primary check valve resists backpressure from the CO2/water mixture on every pumping cycle; if fouled, the mixture safely exhausts through the vent fitting rather than backing into the water supply.
  • DUAL-LAYER PROTECTION — SECONDARY CHECK VALVE: A secondary check valve ensures the CO2/water mixture can never reach the inlet or contact brass or copper plumbing components — preventing corrosion and potential system failure from chemical reaction with metal fittings.
  • 3/8" MNPT x 3/8" FLARE WITH 1/4" PLASTIC VENT BARB — Lead-free brass body with stainless steel discharge retainer for corrosion resistance and durability. Max Pressure: 200 PSI. Max Temperature: 130°F. Suitable Media: Water.
  • IDEAL FOR BEVERAGE & ICE EQUIPMENT — Designed for carbonated water, soda, beer, juice, coffee, espresso, and ice machine applications. Simple internal construction allows for easy cleaning and maintenance. NOTE: A small leak at the vent during normal service is expected as check valves become fouled over time — this is by design, not a defect.
  • GENUINE ANDERSON BRASS — KANTLEAK DESIGN: Anderson Brass Company has manufactured brass valves in Hartsville, SC since 1931. Anderson Brass is a recognized leader in backflow prevention technology for foodservice, beverage, and industrial applications.

Description

Anderson Brass ABF-1LL — ASSE 1022 Vented Dual Check Backflow Preventer | 3/8" MNPT x 3/8" Flare The Anderson Brass ABF-1LL is an ASSE 1022 vented dual check backflow preventer designed to protect connected plumbing and drinking water from the corrosive effects of CO2 gas in carbonator and beverage dispensing systems. The CO2 gas mixed with water in a carbonator tank exerts backpressure on the primary discharge check valve with every pumping cycle. If this check valve becomes fouled and leaks, the CO2/water mixture safely exhausts through the vent fitting rather than backing into the clean water supply. A secondary check valve ensures the mixture can never reach the inlet or contact any brass or copper plumbing components, preventing corrosion and system failure.

Construction
Lead-free brass body with stainless steel discharge retainer. Simple internal construction allows for easy cleaning. The CO2/water mixture is never exposed to the lead-free brass inlet or connected plumbing under normal operation.

Specifications
Connections: 3/8" MNPT inlet x 3/8" Flare outlet, 1/4" plastic hose barb vent | Max Pressure: 200 PSI | Max Temperature: 130°F | Suitable Media: Water | Body Material: Lead-Free Brass

Applications
Carbonated water, beverage, soda, beer, juice, coffee, espresso, and ice machine systems.

Maintenance Note
A small leak at the vent fitting during service is normal and expected — it occurs due to dirty or fouled check valves and indicates the device is functioning as designed to protect the plumbing system.

Cross Reference Numbers & Part Number Variations
Anderson Brass ABF-1LL | ABF-1 | 19-0897 | Related: ABF-1HLL, ABF-1SPLL, ABF-1SLL, ABF-1SS

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