Soft seal seat in accordance with en 1074 (DIN 3352-4b)

Distance between flange faces in accordance with en 558-1, basic series 15 (DIN 3202, F5)

Flanges at both ends meet en 1092-2 standard

Flanges at both ends meet en 1092-2 standard

Both sides of the wedge are equipped with plastic guide sliders, and the operation torque is small

The sealing ring of valve shaft is maintenance free and corrosion-resistant

With O-ring

Using lengthened shaft sleeve and wedge slide guide bar, the friction resistance is small

It is suitable for working condition with vacuum degree less than 90%

Valve body: ductile iron en-js 1030 (ggg-40)

End cover: ductile iron en-js 1030 (ggg-40)

Wedge: nodular cast iron en-js 1030 (ggg-40) EPDM vulcanized rubber package

Valve shaft: stainless steel 1.4021

Shaft nut: Brass