Inner seal NR-SBR: not suitable for contact with food Temperature withstand -40 °C to + 70 °C.
U-shaped seal NBR:
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Inner seal NR-SBR: not suitable for contact with food Temperature withstand -40 °C to + 70 °C.
U-shaped seal NBR: Temperature withstand -20 °C to +100 °C.
FOOD GRADE: Non-return valves made of stainless steel with sealing material made of silicone or EPDM on request.
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