NO.

Part Name

Material

one

Transmission cap

Ductile iron, cast steel

two

handwheel

malleable cast iron

three

dust cover

Plastic

four

Seal ring

Nitrile rubber, EPDM

five

Thrust bearing

tin bronze

six

valve cover

Grey cast iron, ductile iron, cast steel

seven

bolt

Carbon steel, stainless steel

eight

valve body

Carbon steel, ductile iron, cast steel

nine

copper nut

tin bronze

ten

valve stem

stainless steel

eleven

valve disc

Ductile iron+EPDM or nitrile rubber

DN

fifty

sixty-five

eighty

one hundred

one hundred and twenty-five

one hundred and fifty

two hundred

two hundred and fifty

three hundred

three hundred and fifty

four hundred

four hundred and fifty

five hundred

six hundred

L

one hundred and seventy-eight

one hundred and ninety

two hundred and three

two hundred and twenty-nine

two hundred and fifty-four

two hundred and sixty-seven

two hundred and ninety-two

three hundred and thirty

three hundred and fifty-six

three hundred and eighty-one

four hundred and six

four hundred and thirty-two

four hundred and fifty-seven

five hundred and eight

H (fully open)

seven hundred and thirty-two

seven hundred and seventy-three

eight hundred and twenty

eight hundred and seventy

nine hundred and fifteen

one thousand and three

one thousand one hundred and ten

one thousand two hundred and sixty-three

one thousand three hundred and sixty

one thousand five hundred and fifty

one thousand six hundred and ten