C-Gard™ & C-Sentry™ – Sacrificial Anodes Protecting Against Corrosion

Small Vessels

The Impalloy C-Sentry anode range for small vessels includes our standard hull anodes. bar type bolt on, pear shaped and disc Anodes.

The range of anodes is complemented by C-Sentry pencil anodes, C-Sentry zinc element and copper antifouling anodes, Zinc and Alumuminum C-Sentry shaft anodes. C-Sentry Anode Range.

Anode Type   Overall Dimensions mm Anode Body mm Weight (kg)  Drawing  Notes
Length Width Depth Length Width Depth Net Gross
15XH Aluminium 306 76 35          1.50          1.85 3007 Bar type 200 ctrs
38ZH Zinc 306 76 35          3.80          4.15 3007 Bar type 200 ctrs
60ZH Zinc 451 95 38          6.00          6.50 490 Bar type 200/ 230 ctrs
117ZH Zinc 454 102 56        11.70        12.20 3018 Bar type 229 bolt ctrs
48XH Aluminium 454 102 56          4.80          5.30 3019 Bar type 229 bolt ctrs
61ZH zinc 381 64 57          6.14          6.40 E1341 Bar type 229 bolt ctrs
96ZH/3 zinc 508 64 57          9.60          9.92 E1339 Bar type 3 mount holes 152ctrs
124ZH zinc 460 102 51 355 102 51        12.30        13.20 Bolt fixing 410crs
21ZC zinc 152 41 2.1 2.2 3004 Disc anode
8XC Aluminium 152 41 0.8 0.9 3004 Disc anode
14ZCC zinc 102 25          1.40          1.44 531 Disc anode
22ZCC zinc 127 25          2.20          2.24 531 Disc anode
32ZCC zinc 152 25          3.20          3.24 531 Disc anode
3XC Aluminium 103 28          0.33          0.39 3000 Disc anode
3ZCC Zinc 51 25          0.30          0.34 531 Disc anode
7ZCC Zinc 76 25          0.75          0.79 531 Disc anode
9ZC Zinc 103 28          0.86          0.92 3000 Disc anode
117zh Zinc 508 101 50 356 101 50        11.70        12.60 C3207 Hull type
137zh Zinc 565 102 61 445 102 61        13.70        14.50 C4991 Hull type
19ZH Zinc 230 85 45 157 85 45          1.90          2.03 3003 Hull type
31XH Aluminium 406 152 32 302 152 32          3.10          3.90 C5052 Hull type
36XH Aluminium 456 152 32 350 152 32          3.60          4.50 C5019 Hull Type
54XH Aluminium 565 102 61 445 102 61          5.40          6.20 C4992 Hull type
72ZH/S1 Zinc 508 127 32 318 127 32          7.20          8.10 3100 Hull type
74ZH Zinc 406 152 32 302 152 32          7.40          8.20 C5051 Hull type
92ZH Zinc 456 152 32 350 152 32          9.20        10.10 C5019 Hull type
10ZH Zinc 165 76 32 114 76 32          1.00          1.08 3001 Pear shaped 145mm bolt ctrs
5XH/S1 Aluminium 165 76 32 114 76 32          0.50          0.58 3001 Pear shaped 145mm bolt ctrs
8XH Aluminium 230 85 45 157 85 45          0.80          0.93 3003 Pear shaped 195mm bolt ctrs

C-Sentry Zinc  Elements

Code  Diameter Weight  Thread 
mm Inches
G625 16 10 /16″ 0.027 12-28NF
G825 21 10/12″ 0.04 12-28NF
G825M6 21 10/12″ 0.04 M6
G1050 26.7 1  1/20″ 0.074 12-28NF
G1050M2 26.7 1  1/20″ 0.073 M6 Female Female
G1500(,) 38 1   1/2″ 0.15 M6 Female Female

All parts 19mm 3/4″ long

Both male and female threads identical

C-Sentry Shaft Anodes

  Zinc Aluminium
3/4″ … 19mm 1 1/4″… 31.5mm 2″… 50mm 25mm 40mm
7/8″ .. 22mm 1 1/2″ .. 38mm 60mm 30mm 45mm
1″   …25mm 1 3/4″ …44mm 70mm 35mm 50 mm

C-Sentry Pencil Anodes

Ref Diameter Lengths
P 375 3/8″ 2″ 3″ 4″
P500 1/2″ 2″ 4″ 6″
P625 5/8″ 2″ 3″ 4″ 6″
P750 3/4″ 2″ 3″ 4″ 6″
P1050 1.05″ 2″ 3″ 4″ 6″

Please specify reference code, diameter and length when ordering