如果V级不足以满足您的要求,我们可以根据您提供的泄漏要求使用VI级选项,并修改阀门材料或设计,以满足您的应用需求。
Leakage Class
Maximum Seat Leakage
Water
Air
I
10cc (10ml) per min. per 25 mm (1 inch) of orifice diameter.
2000cc (ml) per min. per 25 mm (1 inch) of orifice diameter.
II
Less than 4 drops (0.4cc) per minute per 25 mm (1 inch) of orifice diameter.
20cc (ml) per min. per 25 mm (1 inch) of orifice diameter. Alternate: for production testing no movement of soap bubble over outlet port in 10 seconds.
III
Test procedure and leakage per ANSI/UL 429 Standard Paragraphs 29.1 through 29.9
Test prodcedure and leakage per ANSI/UL 429 Standard Paragraphs 29.1 through 29.9
IV
Less than one drop (0.1cc) per minute.
2cc (ml) per min. per 25 mm (1 inch) of orifice diameter.
V
Less than one drop (0.1cc) per 10 minutes.
0.2cc (ml) per min. per 25 mm (1 inch) of orifice diameter.
VI
Test procedure and leakage as specified by customer.
Test procedure and leakage as specified by customer.