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Applications Operating Principle ZH4 sanitary check valve has two configurations. ZH4-1 sanitary check valve adopts clamp connection method. It is affordable and widely used in food industry. ZH4-2 sanitary check valve consists of a thickened valve body and two flanges, which is easy to install and remove. |
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Correct Installation Method

Pressure Drop/Capacity Comparison Diagram

Technical Data
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Metal material |
Product wetted |
304L/316L (DIN-1.4307/1.4404) forged |
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Non-product wetted |
304 (DIN-1.4301) |
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We can provide EN 10204 3.1B certificate. |
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Seal material |
Standard |
EPDM |
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Options |
NBR, FPM, Silicone |
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All seal materials comply with FDA 177.2600. |
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Temperature |
Continuous working temperature |
-20°C ~ +135°C (EPDM) |
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Sterilization temperature |
150°C (Max 20min) |
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Pressure |
Opening pressure |
0.08bar |
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Max working pressure |
10bar |
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Surface treatment |
Internal surface |
Ra≤0.8µm |
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External surface |
Ra≤1.6µm |
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Connection |
Connection standards |
Welding end: DIN 11850 series 2 |
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Welding end: Inch pipe diameter standard |
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Connection methods: welding, thread, clamp, flange |
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Hotline.
Ms. Vân Anh - 0904883101