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(從泵的軸端看)
(Viewed from shaft
end of pump)

R-順時(shí)針旋轉(zhuǎn)
right hand for
clockwise

L-逆時(shí)針旋轉(zhuǎn)
left hand for
counter-
clockwise

(從泵的軸端看)
(Viewed from shaft end of
pump)

00-進(jìn)油口對(duì)面
opposite inlet port

01-進(jìn)油口同側(cè)
lnline with inlet

02-從進(jìn)油口逆時(shí)針90°
90° ccw from inlet

03-從進(jìn)油口順時(shí)針9o°
90° cW from inlet

B20

B21

1-S1，
丁腈橡膠
NBR Nitrile
rubber

5-S5，氟橡膠
Fluororubber