| After-sales Service: | Support |
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| Warranty: | 1 Year |
| Customized: | Customized |
| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
|
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier 
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Size
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560mm
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Installation
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manhole cover
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Pressure range
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0.2~0.4MPa
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Material
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carbon steel
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M 59 x 2
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Weight
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0.35kg
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Exhaled opening pressure (positive pressure)
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6-8kpa
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Suction opening pressure (negative pressure)
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2-3kpa
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Suppliers with verified business licenses
Audited Supplier 
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