) ทดสอบแรงดัน และฟื้นฟูวาล์ว เพื่อเพิ่มประสิทธิภาพ ลดการรั่วไหล และยืดอายุการใช้งาน gate valve repair ซ่อมเกทวาล์ว knife gate valve repair ซ่อมไนฟ์เกทวาล์ว  butterfly valve repair ซ่อมบัตเตอร์ฟลายวาล์ว globe valve repair ซ่อมโกลบวาล์ว  piston globe valve repair

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tis certified products cast iron gate valve: metal-seated gate valve for waterworks (tis 256-2540) cast iron gate valve: resilient-seated gate valve for waterworks (tis 1413-2540) cast iron butterfly valve: (tis 382-2531) cast iron swing check valve: (tis 383-2529)

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