Products pledge ordering process 
 Product Description 
 Z41H, Z41Y type 150 (Lb) 600 (Lb) steel wedge gate valve: manual, flange connection, the next shot wedge rigidity of a single gate, the valve seat sealing surface material of cemented carbide, pressure class 150 (Lb , stainless steel () 600 (Lb), body material is carbon steel (Z41Y-150 (Lb) ~ 600 (Lb)), chrome-molybdenum steel (Z41Y-300 (Lb) Z41Y-400 (Lb) I) Z41Y 150 (Lb) P ~ 600 (Lb) P Z41Y-150 (Lb) R ~ 600 (Lb) R Z41H - 600 (Lb) P Z41H - 600 (Lb) R), American Standard valve. 

 Product performance parameters 
 Z41H, Z41Y type 150 (Lb) 600 (Lb) steel wedge gate valve main performance parameters of the model pressure level (Lb) for temperature / ° C Suitable medium 
 Z41Y-150 (Lb) 150 ≤ 425 water, steam, oil 
 Z41Y-150 (Lb) P 150 ≤ 200 corrosive media 
 Z41Y-150 (Lb) R 
 Z41Y-300 (Lb) 300 ≤ 425 water, steam, oil 
 Z41Y-300 (Lb) P 300 ≤ 200 corrosive media 
 Z41Y-300 (Lb) R 
 Z41Y-400 (Lb) 400 ≤ 425 water, steam, oil 
 Z41Y-600 (Lb) 600 
 Z41H - 150 (Lb) 150 ≤ 425 water, steam, oil 
 Z41H - 300 (Lb) 300 
 Z41H - 400 (Lb) 400 
 Z41Y-300 (Lb) 300 ≤ 550 water, steam, oil 
 Z41Y-400 (Lb) I 400 ≤ 450 non-corrosive media 
 Z4Y-400 (Lb) P 400 ≤ 150 weak corrosive media 
 Z41Y-400 (Lb) R ≤ 200 corrosive media 
 Z41H - 600 (Lb) 600 ≤ 200 non-corrosive media 
 Z41H - 600 (Lb) I ≤ 350 
 Z41H - 600 (Lb) P ≤ 200 corrosive media 
 Z41Y-600 (Lb) R 600 ≤ 150 corrosive mediated