If the Angle Seat Valve belongs to sanitary valve
The strict requirements of sanitary valve generally need through the national CCC certification, the state administration of quality supervision bureau certification, the national drinking water management committee.
Sanitary valve in China there are many varieties on the market, such as: stainless steel sanitary three piece type butterfly valve, butterfly valve, clamped type butterfly valve, screw butterfly valve, pneumatic butterfly valve, stainless steel sanitary diaphragm valve, pneumatic diaphragm valve, stainless steel sanitary sanitary U tube diaphragm valve, ball valve stainless steel sanitary ball valves and milk products health level ball valve 3 p, 2 p level health ball valve, no dead Angle, take leave clamp ball valve ball valve, health level.Stainless steel sanitary level check valve, check valve welding, the 3-way plug valve, manual stop valve, T stop valve, sampling valve, health level control valve, such as floor drain series products.
Angle valve because of the particularity of its structure, it is difficult to meet the health requirements, strictly speaking, the general production process can not be used in health level.
But for a special process, such as adding the valve of liquid ammonia in the process of fermentation, often appear cavitation phenomenon, the general single-seat valve is difficult to use for a long time, the valve manufacturers often suggested that selection of Angle valves, this can also try.After all, it is generally believed in the liquid ammonia is not contain bacteria.
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