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A relay-valve replacement can be wrong for the circuit if the delivery count does not match, so the Bendix Air Brake Relay Valve uses one supply and eight delivery ports. Six horizontal and two vertical deliveries provide flexibility for grouped chamber connections around the valve. The Bendix 803118 uses that 1 SUP / 8 DEL arrangement to relay control pressure to several brake lines from one component. When replacing the valve, port count and orientation provide far better guidance than relying on the external casting shape alone.
| Balance / Primary Service Port | Not applicable to this part |
| Body Configuration | 1 SUP / 8 DEL (6H + 2V) |
| Cautionary Note(s) | Not applicable to this part |
| Control / Secondary Service Port | 1/4-18 NPT |
| Control Port Orientation (CW from Front Face) | Not applicable to this part |
| Crack Pressure | 4.0 PSI |
| Delivery Port 1 | 1/2-14 NPT |
| Delivery Port 2 | 1/2-14 NPT |
| Delivery Port 3 | 1/2-14 NPT |
| Delivery Port 4 | 1/2-14 NPT |
| Delivery Port 5 | Cored Closed |
| Delivery Port 6 | Cored Closed |
| Delivery Port 7 | 3/8-18 NPT |
| Delivery Port 8 | 3/8-18 NPT |
| Exhaust Port | Dust Shield |
| Internal Supply Passage to Cover | Not applicable to this part |
| Market Indicator | Aftermarket New |
| Maximum Operating Temperature | 200 AdegF (93 AdegC) |
| Minimum Operating Temperature | -40 AdegF (-40 AdegC) |
| Mounting | .96 IN x .40 IN Slot (4x) |
| Mounting Bracket Direction | Not applicable to this part |
| Mounting Bracket Location | Loose in Box |
| Mounting Orientation (CW from Front Face) | Not applicable to this part |
| Supply Port 1 | 1/2-14 NPT |
| Supply Port 2 | Not applicable to this part |
| TMC Washer | RV040 |
| Country of Origin (Primary) | MX |
| UPC | 04068078299203 |
| VMRS Code | 013010009 |
| Brand | Part Number |
|---|---|
| N/A | 296010N |
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