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Product Description
High Pressure Double Air Valve
The exhaust valve is essential for independent heating systems, central heating, boilers, air conditioning, and solar heating. As temperature increases, air solubility in water decreases, leading to gas separation. Our valves effectively release these gases to maintain system efficiency.
| Valve Type |
Design Standard |
Face To Face |
Testing Standard |
| Cast Iron Gate Valve |
BS5163 A B |
DIN3202 |
API 598 |
| DIN3352-F4/F5 |
EN558-1 |
EN12266 |
| EN1171 |
ASME B16.10 |
ISO 05752 |
| AWWA C509/C515 |
ISO 05752 |
Standard Ends |
| Butterfly Valve |
AP1609 / EN593 |
ASME B16.1 |
ISO 2531 |
| Globe/Check Valve |
BS5152 / EN12334 |
EN545 / EN598 |
ISO 2531 |
| Air Valve/Strainer |
Standard Reference |
Thread/Flange |
ISO 228-1 |
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Medium and Application
Compatible Mediums: Freshwater, sewage, seawater, air, steam, food, medicine, oil, acids, etc.
Municipal Water Systems
Ballast and Bilge Systems
Chemical Processing
Desalination Plants
Drilling Rigs
Drinking Water
Food and Beverage
HAVC Systems
Mining & Paper Industry
Petrochemical Industry
Waste Water Treatment
Solar Heating Systems
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Our Product Series
Our comprehensive range includes over 1000 specifications: hydraulic control valves, balance valves, soft seal series, multi-function water pump control valves, butterfly valves, check valves, groove valves, fire-specific valves, and stainless steel corrugated compensators.
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About Our Manufacturing
As a leading professional manufacturer and exporter, we specialize in high-quality pipes, valves, and fittings (UPVC, CPVC, PPH, PVDF). We adhere to the principle of "Quality First, Service First" with a management objective of "Zero Defect, Zero Complaints." Our products comply with ANSI, DIN, BS, JIS, and TIS standards.
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Professional Packaging
We prioritize product integrity. Multi-layer packaging prevents impurities from adhering to the valve body, ensuring that no contaminants enter the medium during operation.
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Frequently Asked Questions
1. What is the Minimum Order Quantity (MOQ)?
Our standard MOQ is usually 5 CTNS, depending on the specific product specifications.
2. What is the typical delivery time?
Delivery usually takes between 30 to 45 days after order confirmation.
3. What payment methods are accepted?
We accept various payment terms including T/T, 100% L/C, and Western Union.
4. Are samples available for testing?
Yes, we provide free samples for quality evaluation; however, the customer is responsible for the freight costs.
5. How do you ensure product quality?
We perform 100% working pressure tests and conduct 5 separate inspections: after moulding, during O-ring addition, after handle installation, after pressure testing, and before final packing.
6. Why choose your valves over competitors?
We offer highly competitive pricing without compromising quality, backed by a rigorous multi-stage testing process and efficient after-sales service.
Maria Valve
