We usually think and practice corresponding for the change of circumstance, and grow up. We aim at the achievement of a richer mind and body as well as the living for Ordinary Discount China DN40-DN800 Cast Iron Ductile Iron Underground Extension Spindle Gate Valve with Stem Extension, We warmly welcome prospects, organization associations and mates from everywhere in the earth to get in touch with us and request cooperation for mutual benefits.
We usually think and practice corresponding for the change of circumstance, and grow up. We aim at the achievement of a richer mind and body as well as the living for China Gate Valve, Resilient Seat Gate Valve, Furthermore, all of our merchandise are manufactured with advanced equipment and strict QC procedures in order to ensure high quality. If you are interested in any of our merchandise, you should don’t hesitate to contact us. We will do our best to meet your needs.
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
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 |