NYD220-450 Contact type low-speed backstopDetailed product description：

Basic dimensions and parameters of NYD220~NYD450 type backstop:
(Dual panel type)

Model (NYD)

Rated reverse torque Te N.m

Aperture range d mm

Maximum speed of inner circle r/min

Idle resistance torque N.m

structural dimensions

Maximum weight Kg

A

B

D

H

h

L

L1

NJ(NYD)220

fifty thousand

160-220

eighty

seventy-five

two hundred and thirty-eight

two hundred and fifty-nine

five hundred

eight hundred and twenty

eighty

two hundred and thirty

three hundred and three

three hundred and fifty-one

NJNJ(NYD)250

ninety thousand

180-250

fifty

ninety-five

two hundred and eighty-eight

three hundred and twenty-three

six thousand

one thousand

one hundred

two hundred and ninety

three hundred and sixty-seven

six hundred and seventy-five

NJ(NYD)270

one hundred and twenty-five thousand

200-270

one hundred

two hundred and ninety-eight

three hundred and twenty-three

six hundred and fifty

one thousand and one hundred

one hundred and ten

two hundred and ninety

three hundred and sixty-seven

seven hundred and thirty-seven

NJ(NYD)300

one hundred and eighty thousand

230-300

one hundred and ten

three hundred and fifty-six

three hundred and thirty-five

seven hundred and eighty

one thousand and three hundred

one hundred and thirty-five

two hundred and ninety

three hundred and ninety-two

one thousand one hundred and twenty-three

NJ(NYD)320

two hundred and seventy thousand

250-320

one hundred and forty

three hundred and eighty-six

three hundred and forty-five

eight hundred and fifty

one thousand and five hundred

one hundred and thirty-five

three hundred and twenty

four hundred and twelve

one thousand four hundred and twenty-five

NJ(NYD)350

three hundred and twenty thousand

250-350

one hundred and sixty

four hundred and fourteen

three hundred and sixty

nine hundred and thirty

one thousand and six hundred

one hundred and thirty-five

three hundred and sixty

four hundred and twenty-six

one thousand nine hundred and fifty-five

NJ(NYD)420

five hundred and twenty thousand

320-420

two hundred and twenty

four hundred and seventy-four

four hundred and eighty-four

one thousand and thirty

one thousand and eight hundred

one hundred and sixty-five

four hundred and fifty

five hundred and fifty

two thousand nine hundred and thirty

NJ(NYD)450

seven hundred thousand

350-450

two hundred and fifty

five hundred and twenty-six

four hundred and ninety-four

one thousand and ninety

two thousand

one hundred and sixty-five

four hundred and eighty

five hundred and seventy-four

three thousand three hundred and eighty

Note: 1. Hole tolerance H7 (GB1800~1804-79), recommended shaft tolerance is h6, fit tolerance is H7/h6, keyway is made according to the Js9 standard of GB1095-79 and the 7-9 level standard of GB1184-75;
2. Please indicate the aperture and dimensional tolerances on the purchase order, otherwise process according to the standard fit tolerance H7;
3. Please choose priority aperture: 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100, 110, 120, 130

NYD220-450 contact type low-speed backstop