Description
RELAY VALVE – R-12 STYLE, VERTICAL MOUNT, 12 PORT
PART NUMBER(S):
Fleet Products: 102626-G | OE: 102626, 102626N, 102626BXW, E-BN102626, 800636N
DESCRIPTION:
Model: R-12 Relay Valve
Vehicles: Compatible with heavy-duty trucks and trailers, especially rear axle applications
• Valve Type: R-12 style relay valve
• Function: Rapid application and release of service brakes; distributes air from foot valve to multiple chambers
• Actuation: Air operated, graduating relay
• Mounting Style: Vertical, with 4 delivery ports located on bottom
• Supply Port: 1 x 1/2" NPT
• Delivery Ports: 4 x 1/2" NPT
• Control Port: 1 x 1/4" NPT
• Crack Pressure: 4.0 PSI DURADRAIN
• Material: Aluminum body
• Performance/Technology: High-capacity output, fast response; replaceable inlet/exhaust cartridge
• System Integrity: Includes pre-installed safety caps for thread protection; coreless design in some versions
• System Fitment: Universal integration for rear axle service brake actuation on long wheelbase commercial vehicles
Applications:
Designed for heavy-duty truck and trailer air brake systems requiring rapid brake actuation, especially on rear axle configurations. Common in long wheelbase tractors and trailers, where fast brake response and consistent pressure distribution are critical for safety and performance.
CROSS-REFERENCE(S):
102626, 102626N, 102626X, 102626BXW, 102626NBXW, OR102626, OR102626X, BX102626, BX102626N, 0R102626, 0R102626BXR, BW102626, BW102626N, HVG102626N, E-BN102626, R955102626, ZZ102626, WA102626, A86477X, 53102626, BEN102626N, A103600, 223053, 227357, 102166, 102165, 102165X, 102277, 102277X, 107443, 107443X, RA86477, N9065, 1J6983, 5X0264, 8X6703, 1660683, 515125, 913766, E2335215, E9180334, 119196201, 25005800001, 59A0620, 10130131, 10130377, 207916, X14476, 2097615, 2335215, 2335216, 2335218, 9180334, 12342, 12343, 12344, 12345, 31A974, 20QE222BP1, 20QE222BP2, 20QE445, 223637, 296694R91, 301146R91, 45193L66, 501330H100, 86824R93, 107442, 1321079, 21079, 724083, 36Z106, 110139, 110412, 110416, 110415, 25D4630A, 504603, 722015001, 8068990, A78882, 722013601
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 threaded NPT – Supply & Delivery: 1/2", Control: 1/4"
✔ Install valve vertically with delivery ports facing downward
✔ Mount close to the brake chambers it serves for best performance
✔ Inlet/exhaust cartridge can be replaced without disconnecting lines
✔ Confirm orientation, thread size, and circuit compatibility before installation
✔ Use standard torque practices for NPT; no torque spec published
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Warranty Information
