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Valves & Fittings
Swing Check Valves
300–350 PSI flanged, grooved and grooved × flanged check valves
One-way flow swing check valves for fire pipelines to prevent water from back flow, installed vertically or horizontally.
Performance
300 / 350 PSI
Max. Testing Pressure
600 / 700 PSI
Approvals
UL, FM
Temperature
0–80°C / 32–176°F
Performance Range
300 / 350 PSI
Model Range
| Model | Rating | End Connection |
|---|---|---|
| MH-XQH-300 | 300 PSI | Flanged |
| MH-XQH-350G | 350 PSI | Grooved |
| MH-XQH-350F | 350 PSI | Flanged |
| MH-XQH-350FG-A | 350 PSI | Grooved × Flanged |
Model numbers, performance data and approvals are reproduced from the manufacturer reference catalog. Availability, country-specific approvals and exact configuration must be confirmed against OEM documentation before quotation. Manufacturer certifications are not certifications issued to AMKRON.
Technical Specifications
Sizes
2", 2½", 3", 4", 5", 6", 8", 10", 12"
Max. Testing Pressure
600 / 700 PSI
Standards
UL 312 / FM Class 1210 · AWWA C508
Approvals
UL, FM
Body
Ductile iron; stainless steel 304 hardware
Temperature
0–80°C / 32–176°F
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