Pipe Joints, Couplings & Repair Clamps - ECO
Pipe Joints, Couplings & Repair Clamps - ECO
Pipe Joints, Couplings & Repair Clamps - ECO
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29<br />
MATERIAL SPECIFICATIONS OF STRAUB COUPLINGS<br />
w1 w2 w4 w5<br />
MATERIAL SPECIFICATIONS ANd CORROSION RESISTANCE<br />
Material sub<br />
group<br />
FE 1<br />
FE 2<br />
Parts<br />
1<br />
2<br />
3<br />
4<br />
Class of<br />
material<br />
W5<br />
W5<br />
W5<br />
W5<br />
W4<br />
W4<br />
W4<br />
W2<br />
W1<br />
Old<br />
Krupp<br />
Norm<br />
V4A<br />
V4A<br />
V4A<br />
V4A<br />
V2A<br />
V2A<br />
V2A<br />
APPLICABILITY OF STRAUB COUPLINGS ON dIFFERENT PIPE MATERIAL<br />
<strong>Pipe</strong> material<br />
METAL-GRIP /<br />
GRIP-L<br />
HDPE, PP, Noryl<br />
-<br />
PVC, ABS, CPVC<br />
X<br />
GFK (centrifugal and<br />
cross-wound pipes)<br />
-<br />
Asbestos cement (Eternit) -<br />
Concrete<br />
-<br />
Cast (ductile, grey)<br />
X<br />
Glass, Ceramic<br />
-<br />
Copper-Nickel<br />
X<br />
Aluminium<br />
X<br />
Stainless steel, c-steel X<br />
DIN AISI DIN AISI DIN AISI DIN<br />
AISI<br />
BS<br />
(SMO254)<br />
-<br />
318S13<br />
316S31<br />
316S11<br />
-<br />
320S31<br />
304S16<br />
301S21<br />
CLAMP/FLEX /<br />
OPEN-FLEX<br />
X<br />
X<br />
X<br />
X<br />
X<br />
X<br />
X<br />
X<br />
X<br />
X<br />
DIN<br />
1.4547<br />
1.4501 (Super Duplex)<br />
1.3964<br />
1.4462 (Duplex)<br />
1.4401<br />
1.4404<br />
1.4435<br />
1.4571<br />
1.4162 (Lean Duplex)<br />
1.4301<br />
1.4310<br />
1.0737<br />
1.0570<br />
COMBI-GRIP /<br />
PLAST-GRIP<br />
X<br />
X<br />
-<br />
-<br />
-<br />
X<br />
-<br />
X<br />
X<br />
-<br />
Materials<br />
Components w1 w2 w4 w5<br />
Casing<br />
1.0570,<br />
1024 1.4301/1.4571/ 304/316T/ 1.4301<br />
304 1.4571/1.4404<br />
galvanised<br />
1.4404 316 L<br />
Bolts<br />
1.7220<br />
4135 1.7220 4135 1.4404/1.4435 316 L 1.4404/1.4435<br />
Bars<br />
1.0737,<br />
12L14 1.0737, 12L14 1.4404/1.4435 316 L 1.4404/1.4435<br />
galvanised<br />
galvanised<br />
Anchoring ring 1.4310<br />
301 1.4310/1.4301 301 1.4310/1.4301 301 1.4310<br />
Strip insert 1.4435<br />
316 L 1.4435 316 L<br />
1.4435<br />
316 L 1.4435<br />
(optional)<br />
PVDF/ HDPE<br />
PVDF/ HDPE<br />
PVDF/ HDPE<br />
PVDF/ HDPE<br />
Steel notation<br />
Stiffening<br />
ring<br />
X<br />
X<br />
-<br />
-<br />
-<br />
-<br />
-<br />
(X)<br />
-<br />
-<br />
ASTM<br />
AISI<br />
S31254<br />
-<br />
S31803<br />
316<br />
316L<br />
316L<br />
316Ti<br />
304<br />
301<br />
Remarks<br />
PRE<br />
35<br />
35<br />
33<br />
33<br />
25<br />
26<br />
28<br />
27<br />
19<br />
19<br />
19<br />
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