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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

Electric Flanged Soft Seal Butterfly Valve-drawing

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 LQ1-6 125 160 454 84 108 4-18
65 2.5° 145 180 459 75 112 4-18
80 160 195 499 102 114 4-18 8-18
100 4′ LQ1-10 180 215 521 113 127 8-18
125 210 245 553 129 140 8-18
150 LQ2-20 240 280 629 143 140 8-23 12-23
200 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