serial number

фA

B

C

фD

E

фF

фG

H

K

M
Retaining ring t

N
O-ring

20VQ

eighty-two point five

eighty-one point five

seventy point one

forty-seven

sixty-one point five

four point eight

seventy-six point two

seven

seventy-three point six

82.76×76.26×3.5

40×3.5

25VQ

ninety-six point eight

ninety-eight point eight

eighty-seven

fifty-two point two

seventy-one point two

four point eight

ninety point five

seven

eighty-eight point one nine

97×91×3.5

44×3.53

35VQ

one hundred and fourteen point three

one hundred and seventeen point seven

one hundred and five

seventy-two point two

ninety point three

six point four

one hundred and eight

seven

one hundred and three point nine four

114.5×108.5×3.5

63.09×3.53

45VQ

one hundred and thirty-three point three five

one hundred and forty-one point one

one hundred and twenty-nine point six

eighty point two

one hundred and five point five

six point four

one hundred and twenty-seven

five

one hundred and twenty-three point eight

133.6×127.6×3.5

71×3.55

serial number

Internal spline profile parameters of rotor

modulus

number of teeth

pressure angle

major diameter

path

20VQ

48/96

thirty

45°

sixteen point six seven

fifteen point five six

25VQ

48/96

forty

45°

twenty-one point nine

twenty point eight six

35VQ

40/80

thirty-seven

45°

twenty-four point three eight

twenty-three point one

45VQ

12/24

fourteen

30°

thirty-two point five nine

twenty-seven point six zero

XC-

25V

-5

-R

Preface

Pump core marking

serial number

Geometric displacement

Turn

F3- Use fluorine rubber seals
Omission - No need to use

Single pump core, double pump shaft end pump core

Double pump cover end pump core

20VQ

2. 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14

From the shaft end of the pump
R-Clockwise rotation
L-Rotate counterclockwise

25VQ

10. 12, 14, 17, 19, 201

35VQ

21, 25, 30, 35, 38

45VQ

42, 45, 50, 57, 60, 66, 75