產品(pin)名稱： SZ品(pin)牌液(ye)氨緊(jin)急切(qie)斷(duan)閥

制(zhi)造(zao)商： 上(shang)海上兆(zhao)閥門(men)制(zhi)造有(you)限(xian)公司

產品(pin)編(bian)號： 0QDQ421F-25C

應用(yong)領域(yu)： 化(hua)工、石(shi)油、制冷(leng)、食(shi)品(pin)加工等行(xing)業(ye)中(zhong)液氨管(guan)線的緊(jin)急安(an)全(quan)控制。

產品(pin)簡介(jie)

SZ品(pin)牌液(ye)氨緊(jin)急切(qie)斷(duan)閥是(shi)專(zhuan)為液(ye)氨等腐蝕(shi)性(xing)介質(zhi)設(she)計的自(zi)動化(hua)安全(quan)裝置(zhi)，能(neng)夠(gou)在緊(jin)急情(qing)況下(xia)迅速切(qie)斷(duan)流(liu)體(ti)通(tong)道，防(fang)止事(shi)故(gu)擴(kuo)大(da)，確(que)保生產安(an)全(quan)。本產品(pin)采用(yong)高(gao)品(pin)質不銹(xiu)鋼(gang)材料制(zhi)成，具(ju)有良(liang)好的耐(nai)腐蝕(shi)性(xing)和密(mi)封性(xing)能，適用(yong)於(yu)高壓、低溫及(ji)含(han)腐蝕(shi)性(xing)氣(qi)體(ti)的環(huan)境(jing)。

技(ji)術特(te)點

• 高可靠性(xing)： 采用(yong)精(jing)密(mi)的電(dian)氣(qi)控制系(xi)統(tong)，確(que)保切(qie)斷(duan)動(dong)作迅速準(zhun)確(que)，無泄(xie)漏風險。

• 耐(nai)腐蝕(shi)材料： 閥體(ti)、閥座(zuo)及(ji)密(mi)封件均(jun)選用(yong)耐(nai)腐蝕(shi)合(he)金(jin)材料，適應(ying)液(ye)氨等介(jie)質的嚴(yan)苛(ke)環(huan)境(jing)。

• 多(duo)重(zhong)保(bao)護： 配備手(shou)動復(fu)位(wei)裝置(zhi)及(ji)故(gu)障報(bao)警系(xi)統(tong)，便(bian)於(yu)日常(chang)維護與緊(jin)急處(chu)理(li)。

• 智(zhi)能(neng)化控制： 可(ke)與DCS、PLC等自(zi)動化(hua)系(xi)統(tong)集成(cheng)，實(shi)現(xian)遠程監(jian)控與自(zi)動控制。

• 緊(jin)急切(qie)斷(duan)功(gong)能(neng)： 壹(yi)旦(dan)接收到緊(jin)急信(xin)號或(huo)觸(chu)發(fa)預設(she)條件，立即切(qie)斷(duan)液(ye)氨流(liu)動，防(fang)止事(shi)故(gu)蔓(man)延(yan)。

安裝與操(cao)作

1. 安裝前準備(bei)： 檢查閥門(men)型(xing)號、規格(ge)是(shi)否(fou)符(fu)合(he)設(she)計要(yao)求，清(qing)理(li)管(guan)道內的雜物。

2. 安(an)裝位(wei)置(zhi)： 應(ying)安裝在液(ye)氨管(guan)線的關(guan)鍵位(wei)置(zhi)，便(bian)於(yu)快速切(qie)斷(duan)流(liu)體(ti)。

3. 電(dian)氣(qi)連接： 按(an)照(zhao)電(dian)氣(qi)圖紙(zhi)連(lian)接控制器(qi)與(yu)電源、信(xin)號線(xian)，確(que)保連(lian)接可靠。

4. 測試(shi)與(yu)調(tiao)試(shi)： 安(an)裝(zhuang)完(wan)成(cheng)後(hou)進(jin)行功(gong)能測試(shi)，確(que)保切(qie)斷(duan)閥在(zai)接收到信號後(hou)能(neng)迅速響應(ying)並切(qie)斷(duan)流(liu)體(ti)。

5. 日(ri)常(chang)維護： 定(ding)期檢查閥門(men)密(mi)封性(xing)、電氣(qi)控制系(xi)統(tong)及(ji)報(bao)警系(xi)統(tong)是(shi)否(fou)正常(chang)工(gong)作。

註意事項(xiang)

• 嚴(yan)禁在閥門(men)未(wei)完全(quan)關(guan)閉(bi)的情(qing)況下(xia)進(jin)行拆(chai)卸(xie)或(huo)維修。

• 定(ding)期檢查電(dian)氣(qi)控制線(xian)路，避(bi)免(mian)老(lao)化、破(po)損導(dao)致故(gu)障。

• 嚴(yan)禁使用(yong)非原裝配件替換(huan)閥門(men)關(guan)鍵部件。

• 在(zai)操(cao)作過程中(zhong)，應(ying)佩(pei)戴(dai)防護裝備，避(bi)免(mian)液(ye)氨直(zhi)接接觸(chu)皮(pi)膚或(huo)眼(yan)睛。

Product Introduction

Product Name: SZ Brand Liquid Ammonia Emergency Shutdown Valve

Manufacturer: Shanghai Shangzhao Valve Co., Ltd.

Product Number: 0QDQ421F-25C

Application Fields: Emergency safety control of liquid ammonia pipelines in chemical, petroleum, refrigeration, food processing, and other industries.

Technical Features

• High Reliability: Equipped with a precise electrical control system, ensuring rapid and accurate shut-off action with no leakage risks.

• Corrosion-Resistant Materials: The valve body, seat, and seals are all made of corrosion-resistant alloys, suitable for harsh environments with high pressure, low temperatures, and corrosive gases.

• Multiple Protection Mechanisms: Comes with manual reset devices and fault alarm systems for ease of maintenance and emergency response.

• Intelligent Control: Can be integrated with DCS, PLC, and other automation systems for remote monitoring and automatic control.

• Emergency Shutdown Function: Immediately shuts off the flow of liquid ammonia upon receiving an emergency signal or triggering preset conditions, preventing accident escalation.

Installation & Operation

1. Pre-Installation Preparation: Verify that the valve model and specifications meet design requirements, and clean the pipeline of debris.

2. Installation Location: Install at a strategic point on the liquid ammonia pipeline for quick fluid cutoff.

3. Electrical Connection: Connect the controller to power sources and signal lines according to the electrical schematics, ensuring reliable connections.

4. Testing & Commissioning: Perform functional tests after installation to ensure the valve responds promptly and cuts off the fluid upon receiving a signal.

5. Routine Maintenance: Regularly check the valve's sealing performance, electrical control system, and alarm system for proper functioning.

Precautions

• Do not dismantle or repair the valve while it is not fully closed.

• Regularly inspect electrical control wiring to avoid faults caused by aging or damage.

• Never use non-original spare parts to replace critical components of the valve.

• Wear protective gear during operation to prevent direct contact of liquid ammonia with skin or eyes.