北京華德方向閥

S型單向閥
S6P010B/
S6A110B/
S6K110B/
S6P110B/V
S6A110B/V
S6K210B/V
S…P…1B/型板式單向閥
S10P11B/
S30P31B/V
RVP型單向閥
RVP610B/
RVP1210B/V
SZ8A型單向阻尼閥
SZ8A010B/
SZ8A310B/V
SZ8A510B/V
M…SR…KE…10B/型插裝式單向閥
M-SR8KE00-10B/
M-SR25KE00-10B/
M-SR10KE00-10B/V
M-SR15KE00-10B/V
M-SR25KE05-10B/V
M-SR30KE05-10B/V

北京華德壓力繼電器

型號：HED4OP/HED4OA/HED4OH/HED1OA/

基本參數 
工作壓力：50 mPa
額定工作壓力：0-5 0-10 0-35 mPa

HED4OP15/350Z14

HED4OA15/350Z14

HED4OH15/350Z14

HED1OA40/ 350

HED1KA40/500