The NKHTS electrically operated single-seat regulating valve The valve core uses on guides the structure, the valve structure is compact,the form of channel is assumes the S streamline, its lost to be small of the pressure, the current capacity is big, the adjustable range is broad, the discharge characteristic precision is high, the standard conforms to IEC534-1-1976 . Regulating valve's spillage conforms to standard of ANSI B16.104 the product to standard conform to the GB/11922-94.VDS4006-92 . nominal size: 40--200mm fixed CV value: 12--6300 nominal pressure: ANSI 150 300 600 valve chest material : The carbon steel, the stainless steel, Corrosion-resistant alloy and so on the valve contents material : The stainless steel, stainless steel +ST, Corrosion-resistant alloy and so on the divulging rank: ANSI III adjustable ratio: 50:1 temperature range: - 5~+566 oC implementing agency: DKZ, RS,PSL and so on