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Location:PRODUCTS >> Oil field valve >> Flange high-pressure flat gate valve
Flange high-pressure flat gate valve
Model: ZF43Y
Nominal diameter: DN20-200mm
Nominal pressure: PN1.6-4.0MPa
Connection: Flange
Body Material: WCB, LCB, A105, CF8 , CF3, CF8M, CF3M, C5, WC6
Transmission: manual , worm gear, electric, pneumatic, hydraulic, electro-hydraulic, etc.
Use of media: water, oil, natural gas, etc.

First, Z43Y high-pressure flat gate valve product introduction

This series of products adopt the new balanced floating seal structure, which is suitable for the opening and closing and adjusting device of control medium, such as water, oil, natural gas and so on, whose pressure is not more than 40MPa and whose temperature is not higher than 120 ℃. The structure of the product is novel in design It is an ideal new type of equipment for petroleum industry with proper material selection, rigorous testing, light operation and strong anti-corrosion, wear-resistant and erosion-resistant properties.
 

Second, Z43Y high-pressure plate valve structure characteristics and working principle    
 1, the use of floating seat, two-way opening and closing, sealing and reliable, opening and closing flexible.    
 2, the lower part of the gate opened a diversion hole, and to give precision-oriented, while the seal is spray-welded cemented carbide, erosion-resistant.    
 3, the valve body carrying capacity is high, the channel is straight-through, fully open, and the gate diversion hole through and straight pipe similar to the flow resistance is small. Stem composite filler, multiple seals, making the seal reliable, small friction.    
 4, close the valve, turn the hand wheel clockwise, the gate moved down to the bottom, due to the role of media pressure, the inlet seal seat to the gate direction. A larger seal than the pressure, thus forming the first seal. At the same time, the gate pressure to the outlet seal seat, a double seal.    
 5, due to the use of double seal, it can not affect the pipeline work more vulnerable parts. This is our factory product priority over similar products at home and abroad an important feature.    
 6, open the gate, turn the hand wheel counterclockwise, the gate up, diversion hole and channel hole through. With the rise of the gate, the through hole gradually increases to the limit position, the guide hole coincides with the passage hole, then fully open.
 

Third, Z43Y high-pressure flat gate valve performance specifications 

Pressure level (Mpa) 16 20 25 32 35 40
Working pressure (Mpa) ≤16 ≤20 ≤25 ≤32 ≤35 ≤40
Strength test (Mpa) 24 30 37.5 48 52.5 60
Seal test (Mpa) 17.6 22 27.5 35.2 38.5 44


 Fourth, Z43Y high-pressure plate valve shape and connection dimensions 

Nominal pressure 
       (MPa)
Nominal diameter 
       (mm)
Size (mm)
D G C L E H W L0
16 ~ 20 40 36 43 64 210 82 356 240 430
50 46 52 70 242 100 379 260 488
65 58 63 89 260 125 402 280 573
80 72 78 108 310 157 475 320 618
100 90 95 130 450 183 548 350 693
125 110 115 145 490 230 580 400 805
150 135 150 195 550 262 660 450 901
25 40 36 43 64 210 82 356 240 430
50 46 56 76 310 120 379 260 488
65 53 67 89 340 132 402 280 573
80 65 86 114 380 157 475 320 618
100 80 101 133 450 183 548 350 693
125 110 115 145 490 230 580 400 805
150 130 167 219 620 272 793 450 901
35 40 36 43 64 210 82 356 240 430
50 46 56 76 300 123 379 260 488
65 53 67 89 340 136 402 280 573
80 65 86 114 380 162 475 320 618
100 80 101 133 450 188 548 350 693
125 110 115 145 490 230 580 400 805
150 130 167 219 620 278 793 450 901
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