Performance specification
Valve material: cast iron, carbon steel, stainless steel
Sealing ring material: natural rubber (NR) -20~+85 ℃
Ethylene propylene rubber (EPDM) -40~+125 ℃
Nitrile rubber (NBR) -20~+82 ℃
Silicone rubber (SI) -70~+150 ℃
Fluorine rubber (FPM) -23~+150 ℃
Fluoroprene (CR) 0~+80 ℃
Butyl rubber (IIR) -40~+100 ℃
Polytetrafluoroethylene plastic (PTFE) +10~+150 ℃
Adopts standard
Flange connection size: GB/T17241.6-98, GB9115-88
Structure length: GB12221-89
Pressure test: GB/T13927-92
Applicable medium: fresh water, sewage, sea water, air, steam , food, medicine, various oils, acids, alkalis, salts, etc.
Dimensions
Dimensions of Electric Flanged Soft Seal Butterfly Valve (LQ Type) | |||||||||||
Specification | configure | D1 | D2 | H | H1 | L | n-medium | ||||
mm | in | 1.0MPa | 1.6MPa | 1.0MPa | 1.6MPa | 1.0MPa| | 1.6MPa | ||||
50 | 2° | LQ1-6 | 125 | 160 | 454 | 84 | 108 | 4-18 | |||
65 | 2.5° | 145 | 180 | 459 | 75 | 112 | 4-18 | ||||
80 | 3° | 160 | 195 | 499 | 102 | 114 | 4-18 | 8-18 | |||
100 | 4′ | LQ1-10 | 180 | 215 | 521 | 113 | 127 | 8-18 | |||
125 | 5° | 210 | 245 | 553 | 129 | 140 | 8-18 | ||||
150 | 6° | LQ2-20 | 240 | 280 | 629 | 143 | 140 | 8-23 | 12-23 | ||
200 | 8° | LQ3-35 | 295 | 335 | 741 | 170 | 152 | 12-23 | 12-25 | ||
250 | 10° | LQ3-50 | 350 | 355 | 390 | 405 | 818 | 201 | 165 | 12-23 | 12-25 |
300 | 12° | LQ4-80 | 400 | 410 | 440 | 460 | 929.5 | 221 | 178 | 12-23 | 12-25 |
350 | 14 | LQ4-110 | 460 | 470 | 500 | 520 | 1002.5 | 253 | 190 | 16-23 | 16-25 |
400 | 16° | LQ4JS-200 | 515 | 525 | 565 | 580 | 1173.5 | 284 | 216 | 16-25 | 16-30 |
450 | 18° | 565 | 585 | 618 | 640 | 1248.5 | 319 | 222 | 20-25 | 20-30 | |
500 | 20° | 620 | 650 | 670 | 705 | 1331.5 | 359 | 229 | 20-25 | 20-30 |