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LSD系列鋁合金蝸輪箱結構特點 Structural Features of LSD Series Aluminum Alloy Worm Gear Box
外殼采用鋁合金材料，加厚殼體，防水防銹、美觀大方， 體積小，輸出扭矩大，省力輕便，有著操作方便簡單的特點，適用于球閥(DN25-DN150)、蝶閥(DN50-DN350)、最大扭矩可達1200Nm，蝸輪箱開關指示牌直接連在蝸輪上，指示準確直觀。
LSD系列鋁合金蝸輪箱均有圓孔帶鍵槽和八角方軸與閥體連接的形式供用戶選擇。
The shell is made of aluminum alloy material, thickened shell, waterproof and rust-proof, Beautiful appearance, small size, large output torque, labor-saving and portable, with the characteristics of convenient and simple operation, suitable for ball valves (DN25-DN150), butterfly valves (DN50-DN350), the maximum torque can reach 1200Nm, the worm gear box switch indicator is directly connected to the worm gear, the indication is accurate and intuitive.
LSD series aluminum alloy worm gear box has round hole with keyway and octagonal square shaft connecting with the valve body for users to choose.
與閥門連接Connect with valve
LSD系列閥門蝸輪箱與閥門的連接采用法蘭連接方式，連接法蘭尺寸符合EN ISO 5211或DIN 3210的規定，也可根據客戶要求定制。
LSD series valve worm gear box and valve connection using flange connection mode, connection flange size conforms to EN ISO 5211 or DIN 3210 requirements, can also be customized according to customer requirements.
注：
1.可選法蘭型號螺紋孔中心距及螺紋孔數目符合ISO5211標準。
2.可選軸孔Φd對應鍵寬bx轂槽深T如無特殊說明采用GB/T1095  2003加工
3.手輪直徑根據客戶對輸出力矩要求及操作人員實際輸入力矩情況選配，如無特殊說明一律按本表手輪直徑配置。
4.靜態安全系數為1.5。
*手輪直徑按下式確定：Ds=2*M/Q式中：Ds-手輪直徑(mm)M-輸入力矩(N.mm)Q-作用于手輪上的圓周力(N).AP16D標準規定標準值為360N。
Mote：
1. optional flange type thread hole center distance and number of threaded holes meet ISO 5211 standard.
2. optional shaft hole D, key width BX hub depth T if there is no special description GB/T 1095 - 2003 processing.
3. Handwheel diameters are se lected according to the customer 's requirements for output torque and the actual input torque of the operator.It there is no 
special specitication, the handwheel diameters are all arranged according to this table.
4. the static safety factoris 1.5.
*hand wheel diameter press type; Ds=2*M/Q
In formula: Ds - handwheel diameter (mm) M-input torque (N. mm) Q-circumlerential torce (N)acting on the handwheel,the standard value of API 6D is 360N.