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On that higher level (or higher price)

2016-11-08View Original

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The explosion-proof solenoid valves are rated at dⅡBT4 and dⅡCT3 – which rating is higher, and in other words, which one comes at a higher price?
Reply #22016-11-08
The dⅡCT3 grade is higher than dⅡBT4; generally, the higher the grade, the higher the price!
Reply #32016-11-08
The dⅡCT3 grade is higher than dⅡBT4 and comes at a higher price; the order is C>B>A. Maximum safe test gap, minimum ignition current ratio, highest surface temperature of the device: T3:200, T4:135
Reply #42016-11-08
The dⅡCT3 grade is higher than dⅡBT4
Reply #52016-11-08
The dⅡCT3 grade is higher than dⅡBT4
Reply #62016-11-09
Isn’t it the case that the higher the number after T, the stricter the requirements?
Reply #72016-11-09
The dⅡCT3 grade is higher than dⅡBT4
Reply #82018-02-23
IIC is higher than IIB, and T4 is higher than T3; hehe
Reply #92018-03-15
DIICT3 is high. Hydrogen environment

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