109264-G | Relay Valve (R-12P Style)

12 PORT RELAY VALVE – 109264-G

PART NUMBER(S):

Fleet Products: 109264-G | OE: OTR065476, 109264, 065476, 109264X,  109264RX, KN28300, KN28300X, RL3518SA,  | Automann: 170.065476

DESCRIPTION:

Model: R-12P Relay Valve
Vehicles: Universal application for trailers and converter dollies
• Valve Type: Pilot-actuated relay valve (R-12P type)
• Ports: 12 total (includes multiple delivery ports)
• Port Sizes: All ports 3/8" NPT
 – Supply/Reservoir Port: 3/8" NPT
 – Delivery Ports (typical): 4 x 3/8" NPT
 – Control Port: 3/8" NPT
• Crack Pressure: 0 PSI
• Actuation: Pneumatic, pilot-operated
• Mounting: Universal bracket included; compatible with vertical or horizontal positioning
• Series: 8501
• Material: OEM-grade composite/metal body
• Unique Features:
 – Designed for double and triple trailer combinations
 – Provides balanced brake application and release across multiple trailers
 – No-crack-pressure configuration ensures quick signal transmission
 – High-performance pilot relay to ensure consistent braking response
• Function: Balances brake timing between tractor and trailer units in complex braking configurations
• Weight: Approx. 1.5–2.0 lb

Applications:
The 109264-G R-12P pilot relay valve is engineered for trailer and converter dolly applications, particularly in multi-trailer (A-train/B-train) configurations. It ensures brake signal uniformity across all connected units, enhancing safety, stability, and brake response under variable load conditions. Commonly installed in heavy-duty logistics, long-haul, and intermodal trailer systems.

CROSS-REFERENCE(S):

109264, 109264-G, 065476, 109264X, 109001, 109002, 109424, 109446, 65476, R-12P, BXOR109264, BENOR109264X, BW065476, 170.065476, N16710, 65476, 04 60318 000 00, 065476BXW, 065476RT, 109264, 109264X, 745-065476, 85105492, BAN065476, BEN065476, BND065476, BW 065476, BW 065476, BX-065476, BX065476, E122817, F4HS2A449AA, HALKN28300, N16710, RKN28300, S-C564, TV065476, TV065476TEC, TWDBEN065476, ZAC065476, H109264X, 170065476, BOR109264X, 011-OR109264X, 011OR109264X, 065476, 065476X, 109264, 109264X, BEN109264X, OR065476X, OR109264X, POR109264, R12P, 108953, 109343, 109001, 109002, K065476, K047915, N16710, SC564, 5015708

A cross-reference listing means this part may be a compatible replacement for these part numbers based on OEM or distributor data.

IMPORTANT INSTALLATION NOTES:

✔ All ports are 3/8" NPT—ensure thread compatibility and proper sealing
✔ Install using included universal bracket; may be mounted vertically or horizontally
✔ Designed for use in systems requiring no-crack-pressure (0 PSI) for pilot relay function
✔ Ensure balanced line routing to all delivery ports for synchronized brake actuation
✔ Use standard pneumatic installation torque values for fittings
✔ For use only in air brake systems; do not substitute in hydraulic configurations

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