Rubber steel NBR-KTW/gas

NBR rubber steel seals (gas admission/KTW-compliant) are applied in water, gas and refinery pipeline construction.
Vulcanized NBR rubbers are mainly used because of their good resistance to aliphatic hydrocarbons, mineral oils, mineral fats, and fuels.
A steel ring vulcanized in the flange seal absorbs pressure and stabilizes the rubber seal. This makes the rubber seal self-center its outside diameter to the inside diameter of the screw holes (with inserted screws).

Use

gas
drinking water
biogas

Product assets

Good pressure absorption due to vulcanized steel ring
Easy installation due to self-stabilizing construction
Easy installation due to self-centering function
NBR-admission
Good resistance to mineral oils, mineral fats, and fuels

Product overview

Rubber steel seal

In accordance with DIN EN 1514-1, form IBC (replacing DIN 2690)

Dimensions in mm

d2 for PN

10	3	18
15	3	22
20	3	27
25	3	34
32	3	43
40	3	49
50	3	61
60	3	72
65	3	77
80	3	89
100	3	115
125	3	141
150	3	169
200	3	220
250	4	273
300	4	324
350	5	356
400	5	407
450	5	458
500	5	508
600	5	610
700	6	712
800	6	813

39	46	46	46	46
44	51	51	51	51
54	61	61	61	61
64	71	71	71	71
76	82	82	82	82
86	92	92	92	92
96	107	107	107	107
106	117	117	117	117
116	127	127	127	127
132	142	142	142	142
152	162	162	168	168
182	192	192	194	194
207	218	218	224	224
262	273	273	284	290
317	328	329	340	352
373	378	384	400	417
423	438	444	457	474
473	489	495	514	546
528	539	555	564	571
578	594	617	624	628
679	695	734	731	747
784	810	804	833	–
890	917	911	942	–