Worm gear type fixed ball valve
Worm gear type fixed ball valve
Nominal Diameter: NPS 1/2"～NPS 32" DN15～DN800
Nominal Pressure: CL150～CL600 PN10～PN100
Applicable Temperature: -29℃～+200℃
Main Material: Carbon steel, stainless steel, etc
Design specification:
Design standard: GB/T 12237, API 608, BS 5351
Structure length: GB/T 12221, ASME B16.10
Connection standard: ASME B16.5, GB/T 9113, JB/T 79, HG/T 20592, HG/T 20615
Pressure test: GB/T 13927, API 598, GB/T 26480
Pressure-temperature grade: ASME B16.34, GB/T 12224
Features:
1. Floating ball valve lip seal seat ensures good sealing performance, small friction coefficient and small operating torque.
2. Stem protection structure: the stem is mounted to prevent the pressure from flying out, and the metal contact with the valve body can be formed after the fire to ensure the stem seal.
3.Fire antistatic device (soft seal floating ball valve).
4. Lock device. To prevent valve switch from misoperation, lock holes in the full open and full position of the valve to ensure the valve is in the correct position.
5. Floating ball valve is suitable for frequent operation and rapid opening and closing; Relatively small size, light weight, easy to maintain; Not subject to installation direction; Small fluid resistance, no vibration, low noise.
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