TD41W手柄法兰通风蝶阀的外形尺寸信息如下：

DN (公称直径): 150mm

D (阀体外径): 240mm

D1 (阀体内径): 210mm

L (阀体长度): 100mm

L1 (法兰长度): 377mm

n-Фd (连接方式): 8-12mm (法兰规格)

b (蝶板厚度): 8mm

H1 (阀体高度): 250mm

另外，还有其他规格的阀门参数：

DN: 200mm, D: 250mm, D1: 290mm, L: 260mm, L1: 426mm

DN: 350mm, D: 300mm, D1: 345mm, L: 310mm, L1: 485mm

DN: 450mm, D: 350mm, D1: 405mm, L: 370mm, L1: 539mm (8-14mm法兰规格)

DN: 450mm, D: 400mm, D1: 455mm, L: 420mm, L1: 652mm (12-18mm法兰规格)

DN: 550mm, D: 450mm, D1: 505mm, L: 470mm, L1: 781mm (16-18mm法兰规格)

DN: 550mm, D: 500mm, D1: 570mm, L: 530mm, L1: 835mm

DN: 550mm, D: 600mm, D1: 720mm, L: 680mm, L1: 946mm

DN: 550mm, D: 700mm, D1: 820mm, L: 780mm, L1: 1044mm (12-18mm法兰规格)

DN: 550mm, D: 800mm, D1: 920mm, L: 880mm, L1: 1159mm

DN: 550mm, D: 800mm, D1: 1020mm, L: 980mm, L1: 1159mm (16-18mm法兰规格)