詳情介紹:8516-187 API611汽輪機(jī)機(jī)械-液壓調(diào)速器
產(chǎn)品概述:
API611汽輪機(jī)機(jī)械-液壓調(diào)速器,螺桿轉(zhuǎn)速設(shè)定范圍為2400-4000 rpm,額定轉(zhuǎn)速在2時(shí)為4035 rpm,驅(qū)動(dòng)軸逆時(shí)針旋轉(zhuǎn),集成超速測試裝置(OTSD)適用于ATEX地區(qū)。調(diào)速器的23.7N·m(17.5 ft-lb)逆時(shí)針旋轉(zhuǎn)輸出端軸連接至汽輪機(jī)的調(diào)速閥,以控制汽輪機(jī)入口蒸汽流量。
特性和功能:
TG611-17壓鑄鋁機(jī)械-液壓降速調(diào)速器控制API611蒸汽渦輪機(jī)驅(qū)動(dòng)泵、壓縮機(jī)或發(fā)電機(jī),不需要同步(恒速)運(yùn)行。調(diào)速器通過輸入驅(qū)動(dòng)軸感應(yīng)渦輪轉(zhuǎn)子速度來控制渦輪速度,將該速度與內(nèi)部速度設(shè)定值進(jìn)行比較,然后使用連接至渦輪調(diào)速閥的旋轉(zhuǎn)輸出端軸控制渦輪入口蒸汽流量。
這種獨(dú)立的調(diào)速器利用一個(gè)集成的驅(qū)動(dòng)軸驅(qū)動(dòng)的球頭組件來檢測渦輪機(jī)速度,并利用一個(gè)集成的驅(qū)動(dòng)軸驅(qū)動(dòng)的油泵來產(chǎn)生必要的輸出力,以移動(dòng)/控制渦輪機(jī)的調(diào)速閥。TG611-17調(diào)速器包括一個(gè)特殊的超速測試裝置(OSTD),允許在安全的情況下從任何速度設(shè)置啟動(dòng)受控和安全的汽輪機(jī)超速跳閘測試。
與相同:8516-045 plus集成超速測試裝置
應(yīng)用:
在不需要同步(恒速)運(yùn)行的情況下,TG611-17驅(qū)動(dòng)汽輪機(jī):
- 泵
- 壓縮機(jī)/渦輪膨脹機(jī)
- 壓力和入口抽風(fēng)機(jī)
- 發(fā)電機(jī)
特點(diǎn):
- 符合API611標(biāo)準(zhǔn)
- 低成本
- 速度下降控制
- 逆時(shí)針驅(qū)動(dòng)軸
- 整體超速測試裝置(OTSD)
- 防風(fēng)雨結(jié)構(gòu)
- 獨(dú)立集水坑
- NEMA速度控制
- 23.7?!っ祝?7.5英尺-磅)輸出
- 專為惡劣環(huán)境設(shè)計(jì)
- 通過了哈茲洛克和ATEX地區(qū)的認(rèn)證
8516-187
An API611 steam turbine mechanical-hydraulic governor with screw speed set range of 2400-4000 rpm, rated speed-droop at 4035 rpm at 2°, with a counterclockwise drive shaft rotation, and integrated overspeed test device (OTSD) for ATEX locations. The governor’s 23.7 N m (17.5 ft-lb) counterclockwise rotary output terminal shaft connects to the turbine’s governor valve to control turbine inlet steam flow.
Features & Functions:
The TG611-17 die-cast aluminum mechanical-hydraulic speed droop governor controls API611 steam turbines driving pumps, compressors, or generators where isochronous (constant-speed) operations is not required. The governor controls turbine speed by sensing turbine rotor speed via the input drive shaft, comparing this speed to an internal speed set point, then using a rotary output terminal shaft connected to the turbine’s governor valve control turbine inlet steam flow.
This self-contained governor utilizes an integrated driveshaft-driven ball head assembly to sense turbine speed, and an integrated driveshaft-driven oil pump to create the necessary output force to move/control the turbine’s governor valve. The TG611-17 governor includes a special Overspeed Test Device (OSTD), allowing controlled and safe turbine overspeed trip testing initiated from any speed setting in a safe matter.
Same as: 8516-045 plus Integrated Overspeed Test Device
Applications:
Where isochronous (constant-speed) operation is not required, the TG611-17 drives steam turbines in:
- Pumps
- Compressors/Turboexpanders
- Force and Inlet Draft Fans
- Generators
Features:
- API611 compliant
- Low cost
- Speed droop control
- Counterclockwise drive shaft
- Integral overspeed test device (OTSD)
- Weatherproof construction
- Self-contained sump
- NEMA “A” speed control
- 23.7 N m (17.5 ft-lb) outputs
- Designed for harsh environments
- Certified for HAZLOC and ATEX locations
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