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AIR VENT(PIPE) HEAD

JIS-KS91A-121 A-type
DN: 50A-80A

JIS-KS91A-121 B-type
DN: 100A-450A

Niikura 53-OS type
Niikura 53-ON type
Niikura BN type
Niikura NS type
Niikura 533HF type
DN: 50A-450A

DIN
DN: 50A-450A

GB/T3594 DS/ES
DN: 50A-450A

GB/T3594 D/E
DN: 50A-450A

CBM1105/1106
DN: 50A-450A

Double flanged type
DN: 50A-450A

The Air pipe head flange can be manufactured according to demand.