| Customization: | Available |
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| After-sales Service: | Provide Lifelong Technical Service Support |
| Warranty: | 1 Year |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Payment Methods: |
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| Support payments in USD |
| Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
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| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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product name
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manhole cover
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material
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aliuman alloy
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Standard size
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560mm580mm460mm
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Emergency opening pressure
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21KPa~32KPa
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Maximum emergency exhaust flow
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7000m2/h (at 34KPa)
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Installation method
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flange
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Operating temperature range
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-20~+70
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