DI PowrTwin sprayers have two bleed valve diagrams. The standard valve uses a stem (944-011), ball (9841502), seat (0294516) and seal (0294499). The heavy-materials valve, 945-600A, uses a tungsten seat (945-906), carbide ball (138-226), stem (945-023) and PTFE O-rings (891-183, 891-073). Match the parts to the valve you have.
What the bleed valve does
The bleed valve is the last step of the pressure relief procedure in Titan's PowrTwin manuals: with the gun relieved into a grounded metal container, you put the bleed hose in the container and open the bleed valve. It is also the valve the manual points to when the pump runs slowly with the gun off. Its listed causes there are a loose connection, a bleed valve that is open or worn, a worn lower packing and balls that are not seating, so the valve is one of several things to check, not the only one.
Titan's DI owner's manual treats the heavy-duty bleed valve as an option. It lists a Heavy Duty Bleed Valve Assembly (manual part number 945-600) for DI models, so the standard valve is not a lesser or faulty version, and you should not assume your sprayer has either one. Look at what is on it, then use the matching diagram.
The standard bleed valve
The standard assembly is on the 12000 Plus DI bleed valve assembly page and the 6900 Plus DI bleed valve assembly page. The main assembly diagram lists the complete assembly as 944-030A. The two bleed valve pages list the same parts, including:
Standard bleed valve parts
The page also lists the valve seat retainer (944-013), the handle (0295730), a spacer, washers, a retaining ring and a hex screw. In the standard valve, the parts that touch the paint are the stem, ball, seat, seal and O-ring, and they are the ones to inspect first when the valve is suspected.
The heavy-materials bleed valve
The heavy-materials version has its own pages: 12000 Plus DI heavy materials and 6900 Plus DI heavy materials. The assembly is 945-600A, and the parts are different from the standard valve:
- 945-906 tungsten valve seat and 138-226 carbide bearing ball, in place of the standard seat and ball.
- 891-183 and 891-073 PTFE O-rings.
- 945-023 valve stem, 945-026 stem stop, 945-022 housing, 970-011 locknut and 945-005 knob.
- The bleed hose (538-031) and the fittings and tube that connect it.
Do not mix numbers between the two valves. The standard stem and the heavy-materials stem (945-023) are listed as different parts, and the tungsten seat and carbide ball appear only on the heavy-materials pages. The diagram does not describe performance, so we make no claim about the difference beyond what Titan's manual says: the heavy-duty valve is an option for DI models.
Service kit
The accessories list includes a 944-050 bleed valve service kit. We do not list its contents, so confirm with our parts team that the kit matches your valve before you order. If you know only one part has failed, ordering that part by its number from the diagram is the direct route.
Symptoms and what to check first
Bleed valve related symptom, from Titan's troubleshooting table
| What you see | Titan's listed causes | Check first |
|---|---|---|
| Pump is slow with the gun off | Loose connection, bleed valve open or worn, worn lower packing, balls not seating | That the bleed valve is fully closed, then its seat and ball |
The causes are the manual's. Work through them in your manual's order and replace only the part that the check points to.
The cheap checks come first. Make sure the valve is fully closed and the hose connection is tight, then look at the seat and ball for damage. If paint passes the valve while it is closed, the valve is not sealing, and the seat, ball and seal are the parts that close it. Confirm the diagnosis in your manual before you take it apart.
Bleed valve parts for DI models:
−8%
The Short Version
Look at your valve, decide whether it is the standard or heavy-materials version, and order from the matching diagram. Standard parts: stem 944-011, ball 9841502, seat 0294516. Heavy-materials parts: tungsten seat 945-906, carbide ball 138-226.
Not sure which bleed valve you have?
Call (713) 931-0006 with your model and serial number and our parts team will help match the valve and parts before you order.
(713) 931-0006Order by Parts Diagram