2SKU

Nominal diameter (DN, mm):	50, 65, 80, 100, 125, 150, 200, 250, 300, 350, 400, 500, 600, 700, 800, 900, 1000, 1200.
Nominal pressure (Pwork, PN):	25 bar
Working environment temperature:	up to +150°C

Overview Model overview Those. information Download Colors DOP, CAD

Overview

Two-piece bellows expansion device.

The two-piece bellows expansion device is equipped with multilayer stainless steel bellows, weld ends and protective covers, guides to prevent torsional rotation and washers for additional installation of the pre-stretching mechanism. The product is equipped with lifting and pre-stretching eyelets.

Specifications are shown in Table 1.

Model overview

Those. information

2SKU - detailed description

2СКУ

Table 1

Callout	Nominal diameter	Nominal pressure	Dimensions					Axial compensating ability		Estimated weight	Calculated stiffness	Estimated effective area
	DN	РN	dr	s	D	h	L	Δ	±λ	Estimated weight	С_λ	S_эф
	мм mm	Бар bar	мм mm	мм mm	мм mm	мм mm	мм mm	мм mm	мм mm	кг kg	Н/мм N/mm	см² cm²
2СКУ 50-25-140	50	25	57	3,5	159	122,5	1152	140	70	27	180,43	60,67
2СКУ 65-25-140	65	25	76	4,0	159	122,5	982	140	70	24	180,43	60,67
2СКУ 80-25-140	80	25	89	4,0	159	125	974	140	70	27	151,47	83,47
2СКУ 100-25-200	100	25	108	4,0	185	135	1128	200	100	34	134,31	118,05
2СКУ 125-25-200	125	25	133	5,0	219	150	1152	200	100	50	186,54	155,04
2СКУ 150-25-200	150	25	159	5,0	245	217,5	1166	200	100	73	184,03	238,06
2СКУ 200-25-320	200	25	219	8,0	325	260	1454	320	160	138	229,48	459,16
2СКУ 250-25-320	250	25	273	8,0	377	285	1388	320	160	158	223,92	686,23
2СКУ 300-25-360	300	25	325	8,0	426	310	1556	360	180	209	268,06	963,16
2СКУ 400-25-380	400	25	426	9,0	550	375	1674	380	190	312	423,28	1630,98
2СКУ 500-25-400	500	25	530	8,0	630	422,5	1712	400	200	366	516,18	2468,29
2СКУ 600-25-400	600	25	630	10,0	765	475	1644	400	200	543	633,13	3425,34
2СКУ 700-25-420	700	25	720	10,0	855	520	1632	420	210	587	747,27	4488,83
2СКУ 800-25-420	800	25	820	12,0	960	572,5	1772	420	210	779	719,98	5780,47
2СКУ 900-25-420	900	25	920	14,0	1065	627,5	1682	420	210	894	863,71	7241,25
2СКУ 1000-25-440	1000	25	1020	14,0	1160	680	1680	440	220	985	1041,85	8841,39
2СКУ 1200-25-440	1200	25	1220	16,0	1370	785	1706	440	220	1319	1450,23	12522,48

Note:
1. Variants with other technical parameters are possible.
2. The product can be completed with a pre-stretching mechanism in the amount of 2 pcs.
3. The estimated weight of the expansion joint may differ from the actual weight.
4. The appearance of the structure may vary.