LD343H chain butterfly valve is suitable for high altitude location of the installation and use.

With a standard

LD343H chain butterfly valve flange size: GB9115-88

GB91113-88; GB4216-84.

Structure length: GB12221-89

Pressure test: GB/T13927-92: ZBJ16006-90

LD343H chain as the main technical parameters of the butterfly valve

DN nominal diameter (mm) 50 ~ 2000

Nominal pressure PN (Mpa) 1.0 1.6 2.5

Test pressure Ps (Mpa) strength test of 1.5 2.4 3.75

1.1 1.76 2.75 sealing test

Applicable medium water, steam, oil, water and acids

Suitable temperature - 29 ℃ ~ 425 ℃

The main parts material LD343H chain butterfly valve

The name of the material

The body of carbon steel, stainless steel, nickel chromium molybdenum titanium molybdenum steel, chrome vanadium steel

Valve plate of carbon steel, stainless steel, nickel chromium molybdenum titanium molybdenum steel, chrome vanadium steel

Stem 2 cr13, not repair steel, nickel chromium molybdenum titanium steel

Sealing ring Stainless steel, fluorine plastic, acrylic polyester

Packing fluorine plastic, flexible graphite