上海尼兹阀门有限公司
SHANGHAI NITZ VALVE CO.,LTD TEL:86-21-59180665
产品名称：船用中心型蝶阀 Marine Center Butterfly Valve
船用蝶阀的适用介质及范围：Applicable medium
适用介质：淡水，海水，空气以及t≤70℃的原油、成品油
Applicable medium：Fresh water,sea water,air,raw oil and product oil in the temprature under70℃
适用范围：用于船舶，石油，化工，冶金，食品等行业
Applicable Scope:Used in trade such as marine,petroleum,metallurgy and food.
船用蝶阀的驱动型式：Operating Type of Butterfly Valve
|
代号Code |
驱动方式 Operating Type |
代号Code |
驱动方式Operating Type |
|
A |
手柄式手动蝶阀 Handle Manual Valve |
D |
液动蝶阀 Hydraulic Valve |
|
B |
手柄传动延长轴蝶阀 Handle Actuator and Spindle Extension Valve |
E |
气动蝶阀 Air-operated Valve |
|
C |
蜗杆传动蝶阀 Worm Actuator Valve |
X |
螺旋式手动蝶阀 Helix Manual Valve |
|
M |
电动式蝶阀 Electric Controlled Valve |
|
|
蝶阀的主要材料及相应代号：Material of the butterfly
|
零件名称 Parts Name |
材料Material |
代号 Code |
|
阀体 Body |
碳素钢 Carbon steel |
G |
|
球墨铸铁Globe cast iron |
M |
|
灰铸铁 Greay cast iron |
T |
|
青铜Bronze |
Q |
|
不锈钢 Stainless steel |
B |
|
蝶板 Disc |
青铜Bronze
不锈钢Stainless steel |
|
|
阀座 Seat |
丁晴橡胶Nitrile butadiene rubber |
N |
|
氟橡胶Fluorine rubber |
F |
|
乙丙橡胶 Ethylene propylene rubber |
E |
说明：Instruction
1. 一般管路通常是用对夹式蝶阀，故标注中未加以表示；若用户选用法兰式蝶阀，订货时在相应型式代号前加“F”表示
Wafer butterfly valve are generally used in pipeline ,so there is no mark on the lable.If flange butterfly valves are chosen, “F”should be added before the code name of relevant driven type to show in order.
2. 若蝶阀的驱动轴需加长，订货时在相应驱动型式代号后加“C”表示，并注明需加长的长度。
If the live axle of the valve needs to be lengthen, “C”should be added before the code name of relevant driven type to show in order,and the necessary length should be marked.
3. 汽油或70℃-170℃的其它介质，应选用FPM材质的密封圈。
The petrol or other medium in the temperature of 70℃-170℃,the sealing ring of FPM material should be chosen.
4. 氟橡胶及丁晴橡胶不适用于液化石油气介质。
Fluorine rubber or Nitrile butadiene rubber is not suitable to the medium of Liquefied petroleum Gas.
