日本YUKEN變量葉片泵PV2R4-237-FRAA-41

插座焊接凸緣被使用。  （前綴“F-”的管法蘭
In case of using socket welding flanges,
Therefore, please pay cautious
attention to the operating pressure when
如果PV2R4-237被用在轉(zhuǎn)速高于1700轉(zhuǎn)/分，
Standard pumps can be used
Special seals (Viton seals) are
required when phosphate ester type
調(diào)整壓差→或更換相稱的電磁閥正常的，
If PV2R3-116 is used at speed above
1700 r/min, the suction pressure is limited to 0 kPa (0 in. Hg.).
 

日本YUKEN變量葉片泵PV2R4-237-FRAA-41

吸入壓力被限制為-13千帕（英寸汞柱真空3.94）。
normal because of strength of the flanges
fluids are used. (Prefix
"F-" to the pipe flange
kit number when ordering.the
socket welding flanges are used.
在使用插座焊接法蘭，存在這樣的情況，
操作壓力應(yīng)設(shè)定為比低的情況下
徑的電動球閥小很多。工作壓差是否不合適→
there is a case where the operatin
g pressure should be set lower than
如果PV2R3-116被用在轉(zhuǎn)速高于1700轉(zhuǎn)/分，