It is designed according to API-600 and ASME B16.34 standards.
Closure member is wedge-shaped, assuring the seal tightness against high and low pressures. The wedge is made of cast material, with flexible or solid design depending on size and customer requirements.
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It is designed according to BS-1873 and ASME B16.34 standards.
The flow direction is from below the disc upwards.
Closure member is conical-shaped, assuring the seal tightness by mean of a uniform seating stress all around the seating circumference
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It is designed according to BS-1868, API-6D and ASME B16.34 standards.
This valve is unidirectional and the closure member is disc-shaped, assuring the seal tightness by mean of a uniform seating stress all around the seating circumference, ... |
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