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Product Specifications:
| Item | Air Release Valve |
| Application | Clean Water |
| Connection Type | FNPT |
| Float Material | Stainless Steel |
| Grade | Grade 316 |
| Inlet Connection Size | 3/4" |
| Max. Fluid Temp. | 250°F |
| Max. Fluid Temperature | 200°F |
| Max. Operating Pressure | 175 psi |
| Max. Pressure | 175 psi |
| Min. Operating Pressure | 5 psi |
| Min. Pressure | 5 psi |
| Outlet Connection Type | FNPT |
| Outlet Size | 1/2" |
| Vacuum Pressure | 29" Hg |
Shipping Info:
| Ship weight (kg) | 2.4 |
| Ship height (cm) | 14.48 |
| Ship length (cm) | 12.7 |
| Ship width (cm) | 12.19 |
| HS code | 8481809050 |
| Country of Origin | US |
Product Details:
- Air vacuum valve designed for releasing the accumulated air in fire pumps, hydropneumatic tools and pressure filters
- Features cast-iron construction and a stainless-steel internal trim and floats for withstanding pressures up to 175 PSI
- Resilient seal ensures a drip-tight positive shutoff operation
- UL-listed and NSF 61, 372 and ISO certified
- Max. Vent Capacity (6 scfm at 150 psi)
Product Variants
| Product | Model | Max. Pressure | Inlet Size | Outlet Size | Connection Type | Body Material | Vacuum Pressure | Min. Pressure | Grade | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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15A | 175 psi | 1/2" | 1/2" | FNPT | Cast Iron | 29 in. hg | 5 psi | Grade 316 | €248.50 | |
![]() |
15A.3 | 175 psi | 1" | 1/2" | FNPT | Cast Iron | 29 in. hg | 5 psi | Grade 316 | €276.37 | |
![]() |
38 | 150 psi | 1" | 1/2" | FNPT | Cast Iron | 29 in. hg | 5 psi | Grade 316 | €727.74 | |
![]() |
38.2 | 150 psi | 2" | 1/2" | FNPT | Cast Iron | 29 in. hg | 5 psi | Grade 316 | €824.23 | |
![]() |
48A | 150 psi | 2" | 1/2" | FNPT | Cast Iron | 29 in. hg | 5 psi | Grade 316 | €1,486.70 | |
![]() |
48A.2 | 150 psi | 3" | 1/2" | FNPT | Cast Iron | 29 in. hg | 5 psi | Grade 316 | €1,644.41 | |
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48A.3 | 150 psi | 4" | 1/2" | FNPT | Cast Iron | 29 in. hg | 5 psi | Grade 316 | €1,997.11 |
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VAL-MATIC 15A.2 Air Release Valve FNPT 3/4 x 1/2 Cast iron
€262.11 /unit


