Straub Flex 2 172 – 2032 mm

The Straub Flex coupling is designed to join just about any plain end pipe. The coupling has been designed with expansion and contraction movement in mind, as well as angular deflection. The coupling is designed as an alternative to metal and rubber expansion joints.

Pipe OD (mm)	Clamping Range (mm)	PS Bar \| LS	PS Bar \| LU	Torque Rate (Nm) \| LS	Torque Rate (Nm) \| LU
180	178 – 182	16.5	25	15	30
200	198 – 202	15	25	15	30
204	202 – 206	13.5	25	15	30
219.1	217 – 222	13.5	25	15	30
232	230 – 235	12	24	15	30
250	248 – 253	12	24	15	30
254	252 – 255	11	22.5	15	30
267	264 – 270	11	22.5	15	30
273	270 – 276	11	22	15	30
285	282 – 288	10	19.5	15	30
304	301 – 307	10	19.5	20	30
315	312 – 318	9.5	18.5	20	30
323.9	321 – 327	9.5	18.5	20	30
335	332 – 338	9	18	20	30
336	333 – 339	8.5	17	20	30
345	342 – 348	8.5	17	20	30
355.6	353 – 358	8.5	17	20	30
368	365 – 371	7.5	15	20	30
376	373 – 379	7.5	15	20	30
386	383 – 389	7.5	15	20	30
406.4	404 – 409	7.5	15	20	30
418	415 – 421	6.5	13	20	30
424	421 – 427	6.5	13	20	30
457.2	454 – 460	6.5	13	20	40
469	466 – 472	6	12	25	40
470	467 – 473	6	12	25	40
481	478 – 484	6	12	25	40
508	505 – 511	6	12	25	40
521	518 – 524	5.5	10.5	25	40
534	531 – 537	5.5	10.5	25	40
558.8	556 – 562	5.5	10.5	25	40
560	557 – 563	5	10	25	40
571	568 – 571	5	10	25	40
587	584 – 590	5	10	25	40
609.6	606 – 613	5	10	25	40
622	619 – 625	4	8.5	30	40
635	632 – 638	4	8.5	30	40
648	645 – 651	4	8.5	30	40
667	664 – 670	4	8.5	30	40
672	669 – 675	4	8.5	30	40
711.2	708 – 715	4	8.5	30	50
762	758 – 766	4	8	30	50
785	781 – 789	3.5	7.5	30	50
812.8	809 – 817	3.5	7.5	30	50
826	822 – 830	3.5	7	35	50
914.4	910 – 918	3.5	6.5	35	60
924	920 – 928	3	6	35	60
960	956 – 964	3	6	35	60
1016	1012 – 1020	3	6	35	60
1026	1022 – 1030	2.5	5.5	40	60
1219.2	1215 – 1224	2.5	5	40	60
1229	1225 – 1233	2.5	5	40	60

Hydromet

Flex couplings

Straub Flex 2 172 – 2032 mm