








|
Alvin Key Clamps are distributed countrywide from our extensive stocks. Alvin Key Clamps
are manufactured to the highest quality using the finest materials and the most modern plant and machinery.
|
THE RANGE
| A2 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
44 |
36 |
- |
- |
- |
- |
| 6 |
48 |
44 |
- |
- |
- |
- |
| 7 |
60 |
54 |
- |
- |
- |
- |
| 8 |
68 |
54 |
- |
- |
- |
- |
| 9 |
85 |
75 |
- |
- |
- |
- |
|
|
Provides 90° 'T' connection between two tubes. Used for the
joint between end post and lower rail(s) when handrail is straight and level. Also for a
top 'T' joint on a guardrail. Cannot join tube in top of 'T', use the A4 when this is required.
|
| A3 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
- |
- |
- |
- |
- |
- |
| 6 |
54 |
73 |
- |
- |
- |
- |
| 7 |
63 |
89 |
- |
- |
- |
- |
| 8 |
68 |
102 |
- |
- |
- |
- |
| 9 |
- |
- |
- |
- |
- |
- |
|
|
Variable angle clamp, tubes can be connected between angles of 30° to 60°. Use for an angled
top rail joint to vertical post on stairs. Used in conjunction with A23 for the lower rail(s). Can be used for diagonal
braces for racking etc.
|
| A4 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
88 |
44 |
- |
- |
- |
- |
| 6 |
96 |
48 |
- |
- |
- |
- |
| 7 |
120 |
60 |
- |
- |
- |
- |
| 8 |
136 |
68 |
- |
- |
- |
- |
| 9 |
170 |
85 |
- |
- |
- |
- |
|
|
Provides a 90° 'T' connection between two tubes. Used for the joint between a top rail
and a vertical post. Allows tubes to be joined in the top part of the 'T'. When used in guardrailing the A22 will
compliment this for lower rail(s).
|
| A6 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
44 |
- |
- |
- |
- |
- |
| 6 |
48 |
- |
- |
- |
- |
- |
| 7 |
60 |
- |
- |
- |
- |
- |
| 8 |
68 |
- |
- |
- |
- |
- |
| 9 |
86 |
- |
- |
- |
- |
- |
|
|
This is a 90° elbow joint. Used frequently for the termination of the top rail to the
last post of a handrail. Also used for turning the rails around a 90° corner.
|
| A7 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
- |
- |
- |
- |
- |
- |
| 6 |
90 |
- |
- |
- |
- |
- |
| 7 |
106 |
- |
- |
- |
- |
- |
| 8 |
120 |
- |
- |
- |
- |
- |
| 9 |
- |
- |
- |
- |
- |
- |
|
|
Two tubes can be joined with an angle range of between 105° - 165°. Joins the angled rail from a ramp or
steps to level rails on a landing. Starts an angled rail from top of a first post. Can be used for obtuse angle change in a handrail.
|
| A8 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
64 |
- |
- |
- |
- |
- |
| 6 |
90 |
- |
- |
- |
- |
- |
| 7 |
96 |
- |
- |
- |
- |
- |
| 8 |
96 |
- |
- |
- |
- |
- |
| 9 |
125 |
- |
- |
- |
- |
- |
|
|
Provides a rigid joint for two tubes of the same diameter. Joints to be 150mm to the nearest support.
Do not use for joining two tubes subject to extreme loads, i.e. a vertical post member supporting a guardrail.
Use A9 for a streamline joint.
|
| A9 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
- |
- |
- |
- |
- |
- |
| 6 |
78 |
20 |
- |
- |
- |
- |
| 7 |
78 |
20 |
- |
- |
- |
- |
| 8 |
80 |
22 |
- |
- |
- |
- |
| 9 |
- |
- |
- |
- |
- |
- |
|
|
Provides a streamline flush joint in two tubes of the same dia. with a max. wall thickness 3.2 mm.
Joints to be 150mm to the nearest support. Not for joining tubes that are subject to extreme loads, or where a direct tensile load is applied.
|
| A10 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
63 |
48 |
81 |
7 |
4 |
- |
| 6 |
65 |
48 |
84 |
7 |
4 |
- |
| 7 |
75 |
51 |
98 |
9 |
6 |
- |
| 8 |
85 |
54 |
112 |
11 |
6 |
- |
| 9 |
96 |
60 |
130 |
11 |
6 |
- |
|
|
A four holed plate providing a rigid fixing for handrails that terminate on walls. Ideal for securing
garment railing structures to ceilings etc. Not to be used as structural fixings for supporting a vertical post on guardrails.
Use A12 for this.
|
| A12 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
112 |
76 |
64 |
76 |
11 |
8 |
| 6 |
128 |
88 |
80 |
88 |
14 |
10 |
| 7 |
144 |
102 |
80 |
88 |
14 |
10 |
| 8 |
156 |
114 |
92 |
88 |
14 |
10 |
| 9 |
165 |
126 |
98 |
130 |
14 |
10 |
|
|
Provides a structural base plate for the support of a vertical post typically for a guardrail.
Two socket set screws give a rigid structural fixing. Recommended that the fixing down bolts be in line with the applied
load.(i.e 90° to the rails)
|
| A14 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
- |
- |
- |
- |
- |
- |
| 6 |
104 |
64 |
68 |
44 |
98 |
14 |
| 7 |
114 |
64 |
74 |
50 |
112 |
14 |
| 8 |
120 |
64 |
90 |
60 |
124 |
14 |
| 9 |
- |
- |
- |
- |
- |
- |
|
|
Base for vertical posts for side mounting. Posts stand off from structure. Tube cannot
pass through this clamp. Access to top fixing hole restricted, a threaded stud type bolt projecting a max.
25mm from structure needs to be fixed first.
|
| A15 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
- |
- |
- |
- |
- |
- |
| 6 |
63 |
25 |
71 |
11 |
24 |
6 |
| 7 |
72 |
23 |
82 |
11 |
28 |
6 |
| 8 |
78 |
23 |
86 |
11 |
31 |
6 |
| 9 |
- |
- |
- |
- |
- |
- |
|
|
Provides a structural base plate to a vertical post that is required to be side mounted.
This clamp is virtually flush to structure it is being fixed to. The tube does not pass through the clamp.
|
| A16 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
- |
- |
- |
- |
- |
- |
| 6 |
114 |
64 |
24 |
66 |
98 |
14 |
| 7 |
114 |
64 |
27 |
76 |
104 |
14 |
| 8 |
120 |
64 |
30 |
86 |
114 |
14 |
| 9 |
- |
- |
- |
- |
- |
- |
|
|
Provides a structural base plate as the A14, should not be used for heavy duty applications.
|
| A17 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
- |
- |
- |
- |
- |
- |
| 6 |
126 |
125 |
- |
- |
- |
- |
| 7 |
140 |
135 |
- |
- |
- |
- |
| 8 |
140 |
138 |
- |
- |
- |
- |
| 9 |
- |
- |
- |
- |
- |
- |
|
|
A ground socket that is cast into concrete and is flush with the finished ground level.
Allows posts to be inserted and retained with a locking set screw. Posts can be easily removed at any time.
|
| A18 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
44 |
- |
- |
- |
- |
- |
| 6 |
48 |
- |
- |
- |
- |
- |
| 7 |
60 |
- |
- |
- |
- |
- |
| 8 |
68 |
- |
- |
- |
- |
- |
| 9 |
- |
- |
- |
- |
- |
- |
|
|
Provides a three way 90° corner joint. Used frequently for a top rail 90° turn where a post is present.
Compliment this with A20 for a lower rail. Also used for corner joints on structures such as work benches, tables etc.
|
| A20 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
44 |
- |
- |
- |
- |
- |
| 6 |
48 |
- |
- |
- |
- |
- |
| 7 |
60 |
- |
- |
- |
- |
- |
| 8 |
68 |
- |
- |
- |
- |
- |
| 9 |
85 |
- |
- |
- |
- |
- |
|
|
A 90° corner joint, tube passes through the central hole. Used frequently for a lower rail(s).
Often used in conjunction with the A18.
|
| A21 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
- |
- |
- |
- |
- |
- |
| 6 |
58 |
- |
- |
- |
- |
- |
| 7 |
73 |
- |
- |
- |
- |
- |
| 8 |
81 |
- |
- |
- |
- |
- |
| 9 |
- |
- |
- |
- |
- |
- |
|
|
Generally used in pairs (as shown). Allows angles between 90° - 180°. Used to change direction of
rails in the same plane. Requires a central tube at the point of angle change. Consider the A7 as an alternative for the angle change.
|
| A22 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
88 |
- |
- |
- |
- |
- |
| 6 |
96 |
- |
- |
- |
- |
- |
| 7 |
120 |
- |
- |
- |
- |
- |
| 8 |
136 |
- |
- |
- |
- |
- |
| 9 |
175 |
- |
- |
- |
- |
- |
|
|
Used for a 90° connection of a lower rail(s) to an intermediate vertical post, the vertical
post must remain continuous while the rail is joined in each side of the clamp. Usually complimented with the A4 when used for guardrailing.
|
| A23 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
- |
- |
- |
- |
- |
- |
| 6 |
146 |
- |
- |
- |
- |
- |
| 7 |
178 |
- |
- |
- |
- |
- |
| 8 |
216 |
- |
- |
- |
- |
- |
| 9 |
- |
- |
- |
- |
- |
- |
|
|
Variable angle clamp enables tubes to be connected between angles 30° - 45°. Used for angled lower rail(s)
joint to a vertical post on stairs. A3 can be used in association for top rail connection. A46 swivel clamp is an alternative.
|
| A24 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
88 |
44 |
- |
- |
- |
- |
| 6 |
96 |
48 |
- |
- |
- |
- |
| 7 |
120 |
60 |
- |
- |
- |
- |
| 8 |
136 |
68 |
- |
- |
- |
- |
| 9 |
176 |
88 |
- |
- |
- |
- |
|
|
Frequently used to tie uprights with horizontal tubes in three directions all at 90° to the upright.
|
| A26 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
32 |
82 |
82 |
- |
- |
- |
| 6 |
43 |
96 |
96 |
- |
- |
- |
| 7 |
48 |
120 |
120 |
- |
- |
- |
| 8 |
50 |
136 |
136 |
- |
- |
- |
| 9 |
54 |
175 |
175 |
- |
- |
- |
|
|
Frequently used in structures that have many uprights, such as racking. This clamp ties a
centre upright, which passes through the central hole, with four horizontal tubes. All connections are at 90° to each other.
|
| A28 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
36 |
32 |
- |
- |
- |
- |
| 6 |
42 |
40 |
- |
- |
- |
- |
| 7x6 |
54 |
40 |
- |
- |
- |
- |
| 7 |
54 |
49 |
- |
- |
- |
- |
| 8x6 |
60 |
40 |
- |
- |
- |
- |
| 8 |
60 |
54 |
- |
- |
- |
- |
| 9 |
62 |
68 |
- |
- |
- |
- |
|
|
Gives 90° crossover joint. Used in guardrail installations. Rails are passed through in long
lengths and joined using the A8 or A9. Can be used for connection of a horizontal racking member to a vertical support, garment rails etc.
|
| A30 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
31 |
35 |
41 |
- |
- |
- |
| 6 |
42 |
40 |
48 |
- |
- |
- |
| 7 |
54 |
49 |
60 |
- |
- |
- |
| 8 |
60 |
54 |
68 |
- |
- |
- |
| 9 |
62 |
68 |
86 |
- |
- |
- |
|
|
This clamp is used on racking for the 90° connection of a vertical support to a horizontal
load carrying rail. The rear outlet is available for a horizontal tie across the section.
|
| A31 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
- |
- |
- |
- |
- |
- |
| 6 |
56 |
33 |
33 |
- |
- |
- |
| 7 |
62 |
42 |
36 |
- |
- |
- |
| 8 |
72 |
48 |
41 |
- |
- |
- |
| 9 |
- |
- |
- |
- |
- |
- |
|
|
Offset handrail spigot clamp accepts tube through top of the 'T', the spigot inserts directly
into another clamp. Used for off setting rail from a post, can be rotated through 360°. Used with A6 and A2. Also use with
A10 for wall mounted rail.
|
| A32 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
50 |
- |
- |
- |
- |
- |
| 6 |
54 |
- |
- |
- |
- |
- |
| 7 |
64 |
- |
- |
- |
- |
- |
| 8 |
74 |
- |
- |
- |
- |
- |
| 9 |
90 |
- |
- |
- |
- |
- |
|
|
Used for adding to and modifying an existing structure. Similar to the A2.
|
| A34 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
76 |
57 |
55 |
45 |
8 |
5 |
| 6 |
92 |
62 |
58 |
48 |
10 |
10 |
| 7 |
64 |
84 |
60 |
48 |
10 |
10 |
| 8 |
74 |
84 |
68 |
54 |
10 |
10 |
| 9 |
- |
- |
- |
- |
- |
- |
|
|
Used to carry handrails along walls or fix structures back to walls. Tube passes through in long lengths,
can be joined using the A8 or A9. Can be slid down a post and used for connecting a kick plate. Also for fixing hoardings, signs etc.
|
| A36 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
56 |
39 |
10 |
- |
- |
- |
| 6 |
66 |
39 |
10 |
- |
- |
- |
| 7 |
75 |
45 |
10 |
- |
- |
- |
| 8 |
75 |
45 |
10 |
- |
- |
- |
| 9 |
100 |
50 |
10 |
- |
- |
- |
|
|
This is a part component of the A44. It can be used on it's own for the insertion of signs and
hoardings within a tubular frame, the connection of chain and 'D' shackles and tensioning of yachting wire balustrades etc.
|
| A38 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
112 |
38 |
10 |
- |
- |
- |
| 6 |
123 |
43 |
10 |
- |
- |
- |
| 7 |
134 |
47 |
10 |
- |
- |
- |
| 8 |
142 |
51 |
10 |
- |
- |
- |
| 9 |
160 |
56 |
10 |
- |
- |
- |
|
|
Similar to the A36 but with two eyelets. This is a part component of the A46.
|
| A40 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
38 |
10 |
- |
- |
- |
- |
| 6 |
46 |
10 |
- |
- |
- |
- |
| 7 |
48 |
10 |
- |
- |
- |
- |
| 8 |
54 |
10 |
- |
- |
- |
- |
| 9 |
- |
- |
- |
- |
- |
- |
|
|
Similar to the A38 but the two eyelets are at 90°. This is a part component of the A48.
|
| A42 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
61 |
25 |
10 |
12 |
- |
- |
| 6 |
61 |
25 |
10 |
12 |
- |
- |
| 7 |
70 |
25 |
10 |
12 |
- |
- |
| 8 |
77 |
25 |
10 |
12 |
- |
- |
| 9 |
94 |
36 |
10 |
12 |
- |
- |
|
|
Not generally used on their own. They are a part component of the A44, A46, A48 & A52.
|
| A44 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
34 |
25 |
56 |
- |
- |
- |
| 6 |
36 |
25 |
66 |
- |
- |
- |
| 7 |
45 |
25 |
75 |
- |
- |
- |
| 8 |
53 |
25 |
75 |
- |
- |
- |
| 9 |
58 |
36 |
100 |
- |
- |
- |
|
|
A flexible variable angle connector. Used for an angled top rail connection to a post. Use if the
angle required is not known. Also used as bracing struts for racking etc. Reducing combinations are available throughout the size range.
|
| A46 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
38 |
25 |
36 |
- |
- |
- |
| 6 |
43 |
25 |
36 |
- |
- |
- |
| 7 |
47 |
25 |
45 |
- |
- |
- |
| 8 |
51 |
25 |
53 |
- |
- |
- |
| 9 |
56 |
36 |
58 |
- |
- |
- |
|
|
A flexile variable connection used for an angled lower rail(s) joint to a post. Changes horizontal
rails to angled rails at top of ramp/stairs. Also as bracing struts for racking. Reducing combinations available throughout the size range.
|
| A48 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
25 |
61 |
99 |
- |
- |
- |
| 6 |
25 |
61 |
107 |
- |
- |
- |
| 7 |
25 |
70 |
118 |
- |
- |
- |
| 8 |
25 |
78 |
132 |
- |
- |
- |
| 9 |
- |
- |
- |
- |
- |
- |
|
|
A 90° flexible variable angled connector for posts on a corner. Changes horizontal rails to
angled rails, at the top of a ramp/stairs. Use as bracing struts for racking etc. Reducing combinations available throughout the size range.
|
| A50 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
40 |
84 |
116 |
54 |
12 |
48 |
| 6 |
40 |
84 |
116 |
54 |
12 |
48 |
| 7 |
40 |
84 |
116 |
54 |
12 |
48 |
| 8 |
40 |
84 |
116 |
54 |
12 |
48 |
| 9 |
40 |
84 |
116 |
54 |
12 |
48 |
|
|
A part component of the A52. Used on it's own it is ideal for a wall fixing for a chain attachment with a 'D'
shackle. Can be used to take steel straining wires etc. Can be fixed to floor to provide fixing point for mesh panels/kick plates.
|
| A52 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
40 |
34 |
25 |
10 |
- |
- |
| 6 |
40 |
36 |
25 |
10 |
- |
- |
| 7 |
40 |
45 |
25 |
10 |
- |
- |
| 8 |
40 |
53 |
25 |
101 |
- |
- |
| 9 |
40 |
58 |
36 |
10 |
- |
- |
|
|
Used for an angled wall fixing plate or a strut for added strengthening of a post.
Not to be used as an angled base plate. Consider the G12. Alternatively use A12 and bend the vertical tube to the upright position.
|
| A58 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
22 |
- |
- |
- |
- |
- |
| 6 |
25 |
- |
- |
- |
- |
- |
| 7 |
25 |
- |
- |
- |
- |
- |
| 8 |
25 |
- |
- |
- |
- |
- |
| 9 |
- |
- |
- |
- |
- |
- |
|
|
Used for the added support of a clamp that may be subject to severe loading, in excess of the maximum
permitted slip load of it's socket set screws, on racking etc. Can support another clamp, which doesn't have it's socket screw tightened.
|
| A60 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
30 |
12 |
25 |
- |
- |
- |
| 6 |
33 |
12 |
27 |
- |
- |
- |
| 7 |
37 |
13 |
27 |
- |
- |
- |
| 8 |
40 |
13 |
27 |
- |
- |
- |
| 9 |
- |
- |
- |
- |
- |
- |
|
|
Used in conjunction with the A62 for a gate hinge assembly.
|
| A62 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
25 |
34 |
11 |
30 |
- |
- |
| 6 |
27 |
34 |
11 |
33 |
- |
- |
| 7 |
27 |
38 |
12 |
37 |
- |
- |
| 8 |
27 |
38 |
12 |
40 |
- |
- |
| 9 |
- |
- |
- |
- |
- |
- |
|
|
Used in conjunction with the A60 for a gate hinge assembly.
|
| A64 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
25 |
32 |
99 |
- |
- |
- |
| 6 |
25 |
34 |
107 |
- |
- |
- |
| 7 |
25 |
39 |
118 |
- |
- |
- |
| 8 |
25 |
41 |
132 |
- |
- |
- |
| 9 |
- |
- |
- |
- |
- |
- |
|
|
This clamp is generally used on a vertical post where chain is connected for an access opening in a guardrail.
The chain is easily removed from the A64, use an A36 and a 'D' shackle for the opposite end connection.
|
| A66 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5x5 |
35 |
27 |
27 |
27 |
- |
- |
| 6x6 |
42 |
34 |
34 |
34 |
- |
- |
| 7x6 |
50 |
38 |
42 |
34 |
- |
- |
| 7x7 |
50 |
42 |
42 |
42 |
- |
- |
| 8x6 |
56 |
41 |
48 |
34 |
- |
- |
| 8x7 |
56 |
45 |
48 |
42 |
- |
- |
| 8x8 |
56 |
48 |
48 |
48 |
- |
- |
|
|
This clamp can be added to an existing structure. It provides a 90° crossover connection and
is an alternative to the A28 but is available in more reducing size variations. It is of mild steel manufacture.
|
| A67 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
- |
- |
- |
- |
- |
- |
| 6 |
143 |
83 |
24 |
28 |
- |
- |
| 7 |
153 |
105 |
22 |
26 |
- |
- |
| 8 |
168 |
112 |
22 |
26 |
- |
- |
| 9 |
- |
- |
- |
- |
- |
- |
|
|
Used on asphalt roofs to provide a rain shield. Slides down the post over the A12 base flange.
Once installed a silicone seal should be made between the tube circumference and the top of the cowling. Made from spun steel.
|
| A70 & A72 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
68 |
58 |
68 |
58 |
- |
- |
| 6 |
71 |
61 |
71 |
61 |
- |
- |
| 7 |
75 |
65 |
75 |
65 |
- |
- |
| 8 |
78 |
68 |
78 |
68 |
- |
- |
| 9 |
76 |
66 |
76 |
66 |
- |
- |
|
|
Used to retain mesh panels within a guardrail. Used without the 'horseshoe' end they can secure other
types of infill with a max. thickness of 10mm, such as perspex/plywood. Can be added to an existing structure. Space 450mm apart.
|
| G2 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
- |
- |
- |
- |
- |
- |
| 6 |
- |
- |
- |
- |
- |
- |
| 7 |
- |
- |
- |
- |
- |
- |
| 8 |
68 |
64 |
- |
- |
- |
- |
| 9 |
- |
- |
- |
- |
- |
- |
|
|
Used for the joint between the end post and the lower rail(s). Also can be used for the top 'T' joint.
Tube cannot be joined in the top part of the 'T' use the G4 when this is required.
|
| G4 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
- |
- |
- |
- |
- |
- |
| 6 |
- |
- |
- |
- |
- |
- |
| 7 |
- |
- |
- |
- |
- |
- |
| 8 |
114 |
76 |
- |
- |
- |
- |
| 9 |
- |
- |
- |
- |
- |
- |
|
|
Used for the joint between the top rail and vertical post. Allows tubes to be joined in the top part
of the 'T'. Use the G22 to compliment this for the lower rail(s).
|
| G6 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
- |
- |
- |
- |
- |
- |
| 6 |
- |
- |
- |
- |
- |
- |
| 7 |
- |
- |
- |
- |
- |
- |
| 8 |
68 |
- |
- |
- |
- |
- |
| 9 |
- |
- |
- |
- |
- |
- |
|
|
Used for the termination of the top rail to the vertical post at the starting point of the incline.
|
| G12 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
- |
- |
- |
- |
- |
- |
| 6 |
- |
- |
- |
- |
- |
- |
| 7 |
- |
- |
- |
- |
- |
- |
| 8 |
152 |
112 |
92 |
88 |
14 |
10 |
| 9 |
- |
- |
- |
- |
- |
- |
|
|
Provides a structural base plate for the vertical post. Due to the design this base plate
can only be fixed down with the fixing holes in line with the applied load (i.e.90° to the rails.)
|
| G22 |
|
 |
 |
| Tube Ø |
A |
B |
C |
D |
E |
F |
| 5 |
- |
- |
- |
- |
- |
- |
| 6 |
- |
- |
- |
- |
- |
- |
| 7 |
- |
- |
- |
- |
- |
- |
| 8 |
144 |
- |
- |
- |
- |
- |
| 9 |
- |
- |
- |
- |
- |
- |
|
|
Used for the connection of lower rail(s) to an intermediate vertical post, the vertical
post must remain continuous while the rails are joined in each side of the clamp. Complimented with the G4 for the top
rail connection.
|
Tube Sizes |
Tube Diameter
(mm) |
Tube Diameter
(inches) |
Nominal Bore
(mm) |
Nominal Bore
(inches) |
Tube Ø 5 Tube Ø 6 Tube Ø 7 Tube Ø 8 Tube Ø 9 |
26.9 33.7 42.4 48.3 60.3 |
1 1/16 1 11/32 1 11/16 1 29/32 2 3/8 |
20 25 32 40 50 |
3/4 1 1 1/4 1 1/2 2 |
Alvin Key Clamps are suitable for pedestrian guardrails, security gates, car park and trolley
barriers, storage racking and climbing frames.
Alvin Key Clamps offer a wide variety of rigid, modular structures using standard fittings
from the range.
They are easily and quickly assembled without the need of special skills or tools. Alvin Key
Clamps eliminate the need for welding, bending or threading of tube.
|
|
Alvin Key Clamps are malleable iron castings manufactured in excess of BS 6681 (ISO 5922)
and BS 2789 (ISO 1083), all Alvin Clamps are supplied complete with Deltatone coated case hardened screws and
are galvanised to BS 729 (ISO 1461).
When tightened to 4.1kg (29ft/lb) a slip load of 900kg can be obtained on each screw.
|
|