北京华德HUADE调速阀2FRM5
2FRM5-31B/0.2Q 2FRM5-31B/0.6Q 2FRM5-31B/1.2Q 2FRM5-31B/3Q
2FRM5-31B/6Q 2FRM5-31B/10Q 2FRM5-31B/15Q 2FRM5-31B/15QB
2FRM5-31B/0.2QB 2FRM5-31B/0.6QB 2FRM5-31B/1.2QB 2FRM5-31B/3QB
2FRM5-31B/6QB 2FRM5-31B/10QB
2FRM6A76-20B/10QR 2FRM6A76-20B/16QR 2FRM6A76-20B/25QR
2FRM6A76-20B/1.5QRM 2FRM6A76-20B/3QRM 2FRM6A76-20B/10QRM
2FRM6A76-20B/10QRM 2FRM6A76-20B/16QRM 2FRM6A76-20B/25QRM