3G Edition 3 Catalogue July 2026

Straining Screws, Quick Links, D Shackles, Roof Vent

Straining Screws

C

A

D

B

Recommended Load Limit Hook / Eye Eye / Eye

Thread A

Body Length B

Hook Opening C

EyeDiameter D

Hook / Eye Eye / Eye

MT0460 MT0464 MT0461 MT0465 MT0462 MT0466

M10 M12 M16

125 140 190

12 15 16

13 15 25

200Kg 300Kg 540Kg

700Kg 1400Kg 2000Kg

Quicklink

D Shackle

D

L

3G Part No MD0950 MD0951 MD0952 MD0953 MD1024 MD1025 MD1026

S

W D (Pin)

d

26 34 37 43

13 16 19 22 1”

6 8

6 8

W

X

10 11 3 / 4 ” 7 / 8 ”

10 11 5 / 8 ” 3 / 4 ” 7 / 8 ”

3G Part No MD1023 MD1022 MD1021

L

W D

X

2 1 / 4 ” 2 3 / 4 ” 3 1 / 4 ”

53 83 70

12 17 15

7

9

1 1 / 4 ” 1 3 / 8 ”

12 10

15 12

1”

Roof Vent

5 - General Chassis

Wind Speed

Air Extraction Rate

Cubic M per min

mph kmh Cubic Ft per min

10 20 30 40 50 60 70

16 32 48 64 80 96

8

0.23 0.54 0.84 1.16 1.48 1.79 2.13

19 30 41 52 63 75

112

MT0550

Flettner 2000 the definitive wind powered roof ventilator

Part numbers and product codes of suppliers other than ‘3G’ are quoted for the cross reference purposes only and do not imply or constitute a binding agreement as to the manufacturing origin of the goods supplied.

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