Apollo Valves 4ALF208A2F is a 2 in. RP4A Series reduced pressure backflow preventer rated to 175 psi for potable water protection. The bronze assembly uses FPT x MNPT threaded connections and top-access modular check valve cartridges with glass-filled PPO check modules and reversible chloramine-resistant silicone seat discs. The unit includes a modular captured spring relief valve, top-mounted SAE test cocks with threaded protectors, and integrated ball valve shut-offs for isolation and serviceability.
Modular check valve cartridges with glass-filled PPO check modules and easily replaceable parts
Reversible/removable chloramine-resistant silicone seat discs, modular captured spring relief valve, and top-mounted test cocks with threaded protectors
Lead-free bronze body with integrated ball valve shut-offs, stainless steel valve handles, low head pressure loss
Product Highlights
2 in. lead-free bronze RPZ backflow preventer, 175 psi rating, modular checks and integrated ball valve isolation
Product Information
Standard Information
Brand: APOLLO VALVES
Manufacturer Part Number: 4ALF208A2F
Country of Origin: United States
Technical Specifications
Brand
Apollo Valves
Manufacturer Part Number
4ALF208A2F
Model / Series
RP4A / RPLF 4A Series
Product Type
Reduced Pressure Backflow Preventer (RPZ)
Size
2 in.
Connections
FPT x MNPT (threaded)
Number of Connections
2
Max Operating Pressure
175 psi
Body Material
Lead-free bronze
Ball Valve Shut-Offs
Lead-free bronze integrated ball valve shut-offs with stainless steel handles
Top-mounted SAE threaded test cocks with threaded protectors
Head Loss
Low head pressure loss
Standards / Certifications
ASSE 1013; ASSE 1003; CSA B.64.4; NSF/ANSI 61; NSF/ANSI 372; NSF 61/8/G/372; Federal Public Law 111-380; AWWA C-511; UL Classified (less shut-offs); IAPMO/ANSI/CAN Z1117; Build America Buy America (BABA); Buy American Act (BAA)
Country of Origin
Made in the United States
Unit Weight
37.4 lbs (16.96 kg)
Unit Length
12.75 in.
Unit Width
5.88 in.
Unit Height
11.00 in.
Applications
Potable water protection; commercial building; residential; fire protection; datacenters; industrial