Flange type fluorine lined gate valve

Short Description:

Flange type fluorine lined gate valve is suitable for aqua regia, sulfuric acid, hydrochloric acid, hydrofluoric acid and various organic acids, strong acids, strong oxidants of various concentrations from – 50 ℃ to 150 ℃. FEP is also suitable for pipelines of various concentrations of strong alkali organic solvents and other corrosive gases and liquid media.


Product Detail

Product Tags

Product features of flange type fluorine lined gate valve

 

1. The valve body has two shapes: round body for GB valves, flat body for ANSI class valves with DN ≤ 300 mm and round body for valves with DN ≥ 400 mm. The inner cavity of valve body and bonnet and the outer surface of gate and valve stem are all lined with FEP (F46) and other fluoroplastics;

2. The sealing pair is composed of FPF (F46) / FEP (F46) or other materials, with small friction and low opening and closing torque 

3. PTFE (F4) standard packing is used for packing, with good sealing performance and convenient maintenance and replacement; 

4. The elastic RAM can compensate the wedge angle deviation between the sealing surface of the ram and the sealing surface of the valve seat, with good coincidence and ideal sealing effect;

5. The medium can pass through the gate valve in any direction from both sides, which is suitable for the pipeline with possible change of medium direction.

 

Executive standard for flange type fluorine lined gate valve

Product specification design code Structural length Connecting flange Test and inspection
JB/T11488 GB/T12221 GB/T9113、JB/T 79、HG/T20592、EN1092-1 GB/T13927、GB/T26480

Material of main parts

Serial number Part name Grey cast iron cast steel Stainless acid resistant cast steel Ultra low carbon stainless acid resistant cast valve
Z C P R PL RL
1 Body / cover / gate HT250 WCB CF8 CF8M CF3 CF3M
2 Stem 20Cr13 1Cr18Ni9 0Cr18Ni9 0Cr17Ni2Mo2 00Cr19Ni10 00Cr17Ni14Mo2
3 Lining / seat PTFE(F4)、PCTFE(F3)、FEP(F46)、PFA(可溶性 soluble4)
4 Gland packing WCB CF8 CF8M CF3 CF3M
5 filler PTFE(F4) PTFE(F4) PTFE(F4)
6 Live bolt 35 1Cr17Ni2 1Cr17Ni2
7 Stem nut ZCuAl10Fe3 ZCuAl10Fe3 ZCuAl10Fe3
8 Fastening nut 45 1Cr17Ni2 1Cr18Ni9Ti
9 Nut 0Cr18Ni9 0Cr18Ni9
10 handwheel WCB WCB WCB

Drawing of flange type fluorine lined gate valve

法兰式衬氟闸阀图纸

Flange type fluorine lined gate valve z41f4 / 46-pn1.0mpa main connecting dimensions

DN L D D1 D2 f b Z-Φd D0 H WT(kg)
15 108 95 65 45 2 16 4-Φ14 120 175 6
20 117 105 75 58 2 18 4-Φ14 120 195 8
25 127 115 85 68 2 18 4-Φ14 160 230 10
32 140 140 100 78 2 18 4-Φ18 160 245 11
40 240 150 110 88 2 18 4-Φ18 180 285 13
50 250 165 125 102 2 18 4-Φ18 200 300 16
65 270 185 145 122 2 18 8-Φ18 250 340 20
80 280 200 160 138 2 20 8-Φ18 280 410 30
100 300 220 180 158 2 20 8-Φ18 300 465 40
125 325 250 210 188 2 22 8-Φ18 320 620 60
150 350 285 240 212 2 22 8-Φ22 350 710 85

 

Flange type fluorine lined gate valve z41f4 / 46-pn1.6mpa main connecting dimensions

DN L D D1 D2 f b Z-Φd D0 H WT(kg)
15 108 95 65 45 2 16 4-Φ14 120 175 6
20 117 105 75 58 2 18 4-Φ14 120 195 8
25 127 115 85 68 2 18 4-Φ14 160 230 10
32 140 140 100 78 2 18 4-Φ18 160 245 11
40 240 150 110 88 2 18 4-Φ18 180 285 13
50 250 165 125 102 2 18 4-Φ18 200 300 16
65 270 185 145 122 2 18 8-Φ18 250 340 20
80 280 200 160 138 2 20 8-Φ18 280 410 30
100 300 220 180 158 2 20 8-Φ18 300 465 40
125 325 250 210 188 2 22 8-Φ18 320 620 60
150 350 285 240 212 2 22 8-Φ22 350 710 85

 产品部分-PSD_02

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