Graco 103347 Safety Relief Valve
$69.25
In Stock
Graco 103347 Safety Relief Valve — pop-off safety valve set to ~100 psi (7 bar) with 1/4-18 NPT male thread. Protects Graco pressure tanks and air systems from over-pressure.
- Fits: Stainless Steel Pressure Tanks — 5 Gal (236087), 10 Gal (236088), 15 Gal (236089)
- Also used on select Graco Ram Package assemblies
- Verify spec: ~100 psi & 1/4-18 NPT before ordering
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Genuine OEM Part
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Overview & Key Details
Compatible Machines
- Graco Stainless Steel Pressure Tanks — 5 Gallon (236087), 10 Gallon (236088), 15 Gallon (236089) (uses this safety relief valve)
- Select Graco Ram Package assemblies (per factory parts lists that include this valve)
- Other Graco pressure-pot / air-pressure systems that specify a 1/4-18 NPT, ~100 psi (7 bar) safety relief valve
What It Is
The Graco 103347 Safety Relief Valve (also called a “pop-off” valve) protects pressurized systems by automatically venting air when pressure exceeds the set limit, helping prevent unsafe over-pressure conditions.
Key Specifications
| Part Number | 103347 |
|---|---|
| Type | Safety Relief Valve (air, “pop-off”) |
| Relief Setting | ~100 psi (≈ 7 bar, 0.7 MPa) |
| Thread / Port | 1/4-18 NPT (male) |
| Typical Use | Pressure tanks / pots, ram packages, and other Graco air-pressure systems requiring a 100 psi safety valve |
Why Choose This Valve
- Helps maintain safe operation by relieving excess pressure automatically
- Matches Graco assemblies that specify ~100 psi and 1/4-18 NPT
- Direct fit for multiple Graco Stainless Steel Pressure Tank models (5/10/15 gal)
Installation & Maintenance Notes
- Install in the designated port; confirm 1/4-18 NPT thread compatibility.
- Do not exceed the system’s rated working pressure—this valve is a safety backup, not a regulator.
- Function-check periodically (per your equipment manual). Replace if the valve fails to relieve at the specified range.
Frequently Asked Questions
The Graco 103347 is set to relieve at approximately 100 psi (7 bar).
It uses a 1/4-18 NPT (male) thread connection.
It is used on Graco Stainless Steel Pressure Tanks — 5 Gallon (236087), 10 Gallon (236088), 15 Gallon (236089) — and appears in parts lists for select Graco Ram Package assemblies. For any other unit, confirm the required valve spec (~100 psi, 1/4-18 NPT) against your machine’s manual.
No. Do not attempt to repair or modify the relief setting. Replace the valve if it does not operate within the specified pressure range.
Follow your equipment manual’s schedule. Many setups recommend periodic checks to confirm the valve relieves near 100 psi.
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