High-Quality Brass Construction – Precision-engineered from durable brass for superior corrosion resistance and long-lasting performance in harsh environments.
Dual Flange Design – Features two reinforced flanges ensuring secure, leak-proof connections between gas burner pipelines with enhanced stability.
4-Hole Gas Flow Optimization – Strategically placed holes maximize gas distribution efficiency while preventing dangerous backfire incidents.
Industrial-Grade Safety – Certified anti-backfire technology protects against sudden flame reversals, ideal for commercial kitchens, industrial heating systems, and outdoor gas appliances.
Universal Compatibility – Compatible with standard gas burner pipelines, suitable for restaurants, factories, workshops, and HVAC installations.
Bulk Purchase Advantage – Direct factory pricing with volume discounts, offering unbeatable wholesale rates for global distributors and large-scale projects.


















Recent Purchase
evo***
Size:DN15-600;Material:stainless steel;Pressure:Low Pressure;
$737.45
7 days ago
gqa***
Size:DN15-600;Material:stainless steel;Pressure:High Pressure;
$381.5
27 days ago
fyd***
Size:DN15-600;Material:stainless steel;Pressure:Medium Pressure;
$783.68
20 days ago
xjt***
Size:DN15-600;Material:Forged;Pressure:Low Pressure;
$880.48
31 days ago
mpi***
Size:DN15-600;Material:Forged;Pressure:High Pressure;
$954.70
2 days ago
owd***
Size:DN15-600;Material:Forged;Pressure:Medium Pressure;
$760.13
38 days ago
fdx***
Size:DN15-600;Material:Casting;Pressure:Low Pressure;
$1015.92
47 days ago
nlm***
Size:DN15-600;Material:Casting;Pressure:High Pressure;
$618.48
24 days ago
aaa***
Size:DN15-600;Material:Casting;Pressure:Medium Pressure;
$846.08
30 days ago
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Customer Reviews

Two Flange Natural Gas Anti-backfire Device With 4 Holes For Gas Burner Pipe Line
$60$76.3-21.36%
Size:
DN15-600
Material:
Forged
Casting
stainless steel
Pressure:
Low Pressure
Medium Pressure
High Pressure
Quantity:
Add to Cart
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