zma-b type air drive thin film heat insulation jacket regulating valve     time: 11/04/10 10:02


features and application:
zma-b type air thin film heat insulation jacket single-seat or double-seat regulating valve adopts heat insulation on the single-seat or double-seat valve and up-bonnet when the crystallization temperature of the medium is higher than the ordinary temperature or the valve acts inflexible due to the high fluid viscosity. the valve uses the steam keep warm. this kind of valve is mainly used to keep the medium warm and prevent the medium cry staling or freezing.