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LESSO · ARMENIA

PE gas pipes & fittings

LESSO Industrial Pipes and Fittings

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Product range

LESSO industrial systems: individual product photos, dimensions and technical specifications are presented directly on this page. Select the material, size, pressure class and connection method for the project.

PE80 and PE100 gas pipelines use butt-fusion, electrofusion and PE/steel transition connections. PE80 is black with yellow stripes; PE100 is black with orange stripes or orange. Pipe supply forms include50/100m coils for20–50mm,50m coils for63mm and8/9/10/12m straight lengths. The general fittings listed are SDR11; other grades, including SDR17.6, require availability confirmation. Dash cells reproduce missing or ambiguous source values;110×63 electrofusion reducing-tee length is omitted because the source prints226238 without a separator.

Technical specifications

PE80 and PE100 gas pipes · SDR11 / SDR17

Outside diameter (mm)	SDR11 wall (mm)	SDR17 wall (mm)
20	3	3
25	3	3
32	3	3
40	3.7	3
50	4.6	3
63	5.8	3.8
75	6.8	4.5
90	8.2	5.4
110	10	6.6
125	11.4	7.4
160	14.6	9.5
180	16.4	10.7
200	18.2	11.9
225	20.5	13.4
250	22.7	14.8
280	25.4	16.6
315	28.6	18.7
355	32.2	21.1
400	36.4	23.7
450	40.9	26.7

Butt-fusion reducer

Size (mm)	L (mm)	L1 (mm)	L2 (mm)
75×63	156	70	72
90×63	165	65	81
90×75	175	72	81
110×50	165	56	84
110×63	169	64	84
110×75	173	71	84
110×90	178	80	84
125×63	182	64	89
125×90	187	80	89
125×110	196	83	89
160×90	212	80	100
160×110	223	83	100
160×125	214	88	100
180×63	204	64	107
180×110	223	83	107
180×160	249	100	107
200×110	224	82	113
200×160	243	99	113
200×180	257	107	113
225×110	238	84	122
225×160	256	98	121
225×200	278	112	127
250×110	253	82	131
250×160	254	98	131
250×200	286	112	134
250×225	290	122	131
280×160	281	100	141
315×110	294	84	150
315×160	300	98	150
315×180	290	105	150
315×200	297	112	150
315×225	315	120	150
315×250	310	129	150
315×280	331	139	160
355×315	372	152	166
400×225	348	120	180
400×315	368	152	181
400×355	415	166	181

Butt-fusion flange stub

Size (mm)	D (mm)	L (mm)	L1 (mm)
63	102	98	67
75	122	120	84
90	138	135	98
110	158	140	100
125	158	140	100
160	212	175	122
180	212	180	135
200	268	200	140
225	268	200	149
250	324	200	143
280	320	210	142
315	374	227	159
355	438	236	165
400	485	258	182

Butt-fusion elbow90°

Size (mm)	L1 (mm)	L (mm)
75	75	132
90	85	150
110	87	163
125	87	170
160	100	200
180	107	222
200	114	239
225	120	265
250	130	292
280	140	316
315	150	348
355	165	400
400	180	407

Butt-fusion elbow45°

Size (mm)	L1 (mm)	L (mm)
75	72	116
90	82	136
110	84	142
125	88	150
160	100	175
180	107	185
200	114	199
225	122	211
250	130	228
280	140	235
315	150	270

Butt-fusion cap

Size (mm)	L1 (mm)	L (mm)
20	41	47
25	41	47
32	44	52
40	49	60
50	56	69
63	65	80
75	70	91
90	79	104
110	82	115
125	87	124
160	98	144
180	105	159
200	112	173
225	121	189
250	129	207
280	139	227
315	151	252
355	165	280
400	179	312

Butt-fusion tee

Size (mm)	Z1 (mm)	Z (mm)	L (mm)	L1 (mm)
75	75	132	75	264
90	85	150	85	300
110	90	163	90	325
125	89	166	89	332
160	100	195	100	390
180	107	212	107	425
200	114	232	114	465
225	122	267	122	534
250	131	300	131	600
280	140	309	140	618
315	152	344	152	689
355	166	400	166	800
400	180	410	180	820

Butt-fusion reducing tee

Size (mm)	Z1 (mm)	Z (mm)	L1 (mm)	L (mm)
90×50	57	117	81	242
90×63	66	125	82	257
110×50	57	127	84	248
110×63	65	134	84	288
110×75	72	141	84	288
110×90	82	151	84	288
160×50	57	153	100	285
160×63	65	159	100	295
160×75	72	166	100	320
160×90	81	175	100	317
160×110	84	178	100	337
200×50	56	170	114	378
200×63	65	179	114	378
200×75	72	186	114	378
200×90	82	196	114	378
200×110	84	202	114	373
200×160	100	218	114	425
225×110	84	222	122	400
225×160	98	240	120	454
250×50	56	200	130	410
250×63	65	209	130	410
250×75	72	216	130	410
250×90	82	226	130	410
250×110	84	228	130	410
250×160	100	244	130	448
315×110	82	281	150	492
315×160	98	298	150	542
315×180	105	308	150	568
315×200	112	315	150	590
315×225	120	323	150	615
315×250	129	331	150	632
315×280	139	342	150	660
400×225	120	357	180	655
400×315	150	390	180	780

Backing flange

Size (mm)	D (mm)	D1 (mm)	L (mm)
63	125	18	12
75	145	18	18
90	160	18	20
110	180	18	22
125	180	18	22
160	240	22	24
180	240	22	24
200	295	22	26
225	295	22	26
250	355	26	29
280	355	26	29
315	410	26	32
355	470	26	35
400	525	30	32

Gasket

Size (mm)	D (mm)	D1 (mm)	L (mm)	H (mm)
63	105	54	132	4
75	127	62	153	3.5
90	142	74	168	3.5
110	158	90	184	3.5
125	162	102	188	3.5
160	212	131	238	3.5
180	212	148	238	3.5
200	268	164	294	3.5
225	273	184	299	3.5
250	320	204	346	3.5
280	320	229	346	3.5
315	370	258	396	4
355	438	302	464	4.5
400	482	327	508	5

Electrofusion coupling

Size (mm)	L1 (mm)	L (mm)
20	41	84
25	41	84
32	44	90
40	49	100
50	55	113
63	63	129
75	70	143
90	79	161
110	82	167
125	87	177
160	98	199
180	105	213
200	112	227
225	120	243
250	129	261
280	135	273
315	155	304
355	164	332
400	179	362

Electrofusion elbow45°

Size (mm)	L1 (mm)	L (mm)
32	44	56
40	49	64
50	55	73
63	63	85
75	70	95
90	79	107
110	82	116
125	87	127
160	98	150
180	105	157
200	112	170
225	—	—
250	129	202
315	150	238
400	190	280

Electrofusion elbow90°

Size (mm)	L1 (mm)	L (mm)
20	41	54
25	41	56.2
32	44	65
40	49	74
50	55	86
63	63	100
75	70	114
90	79	131
110	82	145
125	87	159
160	98	192
180	105	206
200	112	225
225	120	245
250	129	265
315	150	320
400	179	395

Electrofusion tee

Size (mm)	L1 (mm)	L (mm)
20	41	98
25	41	102
32	44	118
40	49	136
50	55	157
63	63	190
75	70	215
90	79	242
110	82	266
125	87	290
160	98	338
180	105	368
200	112	398
225	120	460
250	129	472
315	150	567
400	179	690

Electrofusion reducing tee

Size (mm)	L1 (mm)	L (mm)
32×20	44	107
32×25	44	111.5
40×20	49	118.5
40×25	49	123
40×32	49	129
50×25	55	135.8
50×32	55	142.2
50×40	55	149
63×20	63	153
63×25	63	158
63×32	63	165.5
63×40	63	172.5
63×50	63	180.5
75×40	70	186.3
75×50	70	194.2
75×63	70	204
90×40	79	197
90×50	79	209.5
90×63	79	219
90×75	79	230
110×50	82	218
110×63	82	—
110×75	82	250
110×90	82	239
125×63	87	249.6
125×75	87	261.6
125×90	87	278.6
125×110	87	249
160×50	98	259
160×63	98	270
160×75	98	282
160×90	98	298
160×110	98	352
180×160	105	308
200×50	112	308
200×63	112	308
200×75	112	308
200×90	112	308
200×110	112	365
200×160	112	365
225×110	120	360
225×160	120	400
250×50	129	330
250×63	129	330
250×75	129	330
250×90	129	358
250×110	129	358
250×160	129	430
250×200	129	430
315×90	150	440
315×110	150	440
315×160	150	440
315×200	150	514
315×250	150	514

Electrofusion reducer

Size (mm)	L (mm)	L1 (mm)	L2 (mm)
32×25	89	41	44
40×32	105	44	49
50×32	115	44	55
50×40	115	49	55
63×32	130	44	63
63×40	130	49	63
63×50	130	55	63
75×63	145	63	70
90×63	175	63	79
90×75	175	70	79
110×50	160	55	82
110×63	180	63	82
110×75	180	70	82
110×90	180	79	82
125×90	195	79	87
160×90	224	79	98
160×110	224	82	98
200×110	250	82	112
200×160	250	98	112
250×110	280	82	129
250×160	280	98	129
250×200	280	112	129
315×160	320	98	150
315×200	320	112	150
315×250	320	129	150
400×315	370	150	179

Electrofusion straight saddle

Size (mm)
75×63
90×63
110×63
125×63
160×63
180×63
200×63
200×90
250×90
315×110

Electrofusion tapping saddle

Size (mm)
63×25
63×32
75×32
90×32
90×63
110×32
110×40
110×63
125×32
125×63
160×32
160×63
180×32
180×63
200×32
200×63
200×90
250×90

Male adapter

Size (mm)	Product code
32×1"	330128
40×1"	330159
40×1-1/4"	330160
40×1-1/2"	330161
50×1"	330190
50×1-1/4"	330191
50×1-1/2"	330192
50×2"	330193
63×1"	330221
63×1-1/4"	330222
63×1-1/2"	330223
63×2"	330224

PE100 steel straight transition

Size (mm)	L (mm)	L2 (mm)	L1 (mm)
32×34	416	92	250
40×34	421	104	250
40×42	438	138	250
50×42	450	150	250
50×45	450	150	250
50×48	434	116	250
63×48	451	130	250
63×57	451	130	250
63×60	451	130	250
90×76	442	80	250
90×89	442	80	250
110×89	529	204	250
110×108	529	204	250
110×114	529	204	250
160×159	579	246	250
160×168	579	246	250
200×219	759	274	350
225×219	775	290	350
250×273	803	318	350
315×325	855	360	350

PE100 threaded straight transition

Size (mm)	L (mm)	L2 (mm)	L1 (mm)
32×R1"	416	92	250
40×R1"	421	104	250
40×R1-1/4"	438	138	250
50×R1-1/4"	450	150	250
50×R1-1/2"	434	116	250
63×R1-1/2"	451	130	250
63×R2"	451	130	250

PE100 bend transition

Size (mm)	L (mm)	H (mm)
32×34	92	800
40×34	104	800
40×42	138	800
50×42	150	800
50×48	116	800
50×51	150	800
63×48	130	800
63×57	130	800
63×60	130	800

PE100 threaded bend transition

Size (mm)	L (mm)	H (mm)
32×R1"	92	800
40×R1"	104	800
40×R1-1/4"	138	800
50×R1-1/4"	150	800
50×R1-1/2"	116	800
63×R1-1/2"	130	800
63×R2"	130	800

General ball valve

Size (mm)	Product code	A (mm)	B (mm)
50	470006	612	796
63	470007	612	796
75	470008	700	840
90	470009	700	840
110	470010	752	882
125	470011	752	882
160	470013	772	958
180	170014	772	958
200	170015	880	1195
225	170016	880	1195
250	170017	900	1325
315	470019	900	1325

Double-discharge ball valve

Size (mm)	Product code	A (mm)	B (mm)
50	490006	612	819
63	490007	612	819
75	490008	700	861
90	490009	700	861
110	490010	752	897
125	490011	752	897
160	490013	772	960
180	190014	772	960
200	490015	880	1195
225	490016	880	1195
250	190017	900	1325
315	490019	900	1325

Single-discharge ball valve

Size (mm)	Product code	A (mm)	B (mm)
50	480006	612	819
63	480007	612	819
75	480008	700	861
90	480009	700	861
110	480010	752	897
125	480011	752	897
160	480013	772	960
180	480014	772	960
200	480015	880	1195
225	480016	880	1195
250	480017	900	1325
315	480019	900	1325

Alternative general ball valve

Size (mm)	Product code	A (mm)	B (mm)
50	500006	612	234
63	500007	612	234
75	500008	700	278
90	500009	700	278
110	500010	752	320
125	500011	752	320
160	500013	772	396
180	500014	772	396

Butt-fusion welding machines

Product code	Model	Pipe range (mm)
550001	160	75–160
550002	250	110–250
550003	315	160–315
550004	450	280–450
550005	630	400–630
550006	800	630–800
550030	1200	—

Rotary scrapers

Model	Product code	Pipe range (mm)
RTC160	540001	50–160
RTC315	540002	75–315

Electrofusion welding machines

Model	Product code	Pipe range (mm)
DRJ-CA-9C	560001	20–355
DRJ-CA-15C	560002	≥400

T-type wrench

Size (mm)	Product code	A (mm)	B (mm)
50×50×800	590001	800	50
50×50×1300	590002	1300	50
75×75×800	590003	800	75
75×75×1300	—	1300	75

Warning belt

Model	Product code
#15	340001
#20	340002
#20 wire	340003

Pipe cutters

Model	Product code	Pipe range (mm)
TU140	510001	50–140
T3	510002	110–160
T4	510003	180–315

Blade scrapers

Model	Product code	Width
Small	530001	1.5"
Large	530002	2.0"

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Size (mm)	D (mm)	L (mm)	L1 (mm)
63	102	98	67
75	122	120	84
90	138	135	98
110	158	140	100
125	158	140	100
160	212	175	122
180	212	180	135
200	268	200	140
225	268	200	149
250	324	200	143
280	320	210	142
315	374	227	159
355	438	236	165
400	485	258	182

Size (mm)	L1 (mm)	L (mm)
75	75	132
90	85	150
110	87	163
125	87	170
160	100	200
180	107	222
200	114	239
225	120	265
250	130	292
280	140	316
315	150	348
355	165	400
400	180	407

Size (mm)	L1 (mm)	L (mm)
75	72	116
90	82	136
110	84	142
125	88	150
160	100	175
180	107	185
200	114	199
225	122	211
250	130	228
280	140	235
315	150	270

Size (mm)	L1 (mm)	L (mm)
20	41	47
25	41	47
32	44	52
40	49	60
50	56	69
63	65	80
75	70	91
90	79	104
110	82	115
125	87	124
160	98	144
180	105	159
200	112	173
225	121	189
250	129	207
280	139	227
315	151	252
355	165	280
400	179	312

Size (mm)	Z1 (mm)	Z (mm)	L (mm)	L1 (mm)
75	75	132	75	264
90	85	150	85	300
110	90	163	90	325
125	89	166	89	332
160	100	195	100	390
180	107	212	107	425
200	114	232	114	465
225	122	267	122	534
250	131	300	131	600
280	140	309	140	618
315	152	344	152	689
355	166	400	166	800
400	180	410	180	820

Size (mm)	D (mm)	D1 (mm)	L (mm)
63	125	18	12
75	145	18	18
90	160	18	20
110	180	18	22
125	180	18	22
160	240	22	24
180	240	22	24
200	295	22	26
225	295	22	26
250	355	26	29
280	355	26	29
315	410	26	32
355	470	26	35
400	525	30	32

Size (mm)	D (mm)	D1 (mm)	L (mm)	H (mm)
63	105	54	132	4
75	127	62	153	3.5
90	142	74	168	3.5
110	158	90	184	3.5
125	162	102	188	3.5
160	212	131	238	3.5
180	212	148	238	3.5
200	268	164	294	3.5
225	273	184	299	3.5
250	320	204	346	3.5
280	320	229	346	3.5
315	370	258	396	4
355	438	302	464	4.5
400	482	327	508	5

Size (mm)	L1 (mm)	L (mm)
20	41	84
25	41	84
32	44	90
40	49	100
50	55	113
63	63	129
75	70	143
90	79	161
110	82	167
125	87	177
160	98	199
180	105	213
200	112	227
225	120	243
250	129	261
280	135	273
315	155	304
355	164	332
400	179	362

Size (mm)	L1 (mm)	L (mm)
32	44	56
40	49	64
50	55	73
63	63	85
75	70	95
90	79	107
110	82	116
125	87	127
160	98	150
180	105	157
200	112	170
225	—	—
250	129	202
315	150	238
400	190	280

Size (mm)	L1 (mm)	L (mm)
20	41	98
25	41	102
32	44	118
40	49	136
50	55	157
63	63	190
75	70	215
90	79	242
110	82	266
125	87	290
160	98	338
180	105	368
200	112	398
225	120	460
250	129	472
315	150	567
400	179	690

Size (mm)	D (mm)	L (mm)	L1 (mm)
63	102	98	67
75	122	120	84
90	138	135	98
110	158	140	100
125	158	140	100
160	212	175	122
180	212	180	135
200	268	200	140
225	268	200	149
250	324	200	143
280	320	210	142
315	374	227	159
355	438	236	165
400	485	258	182

Size (mm)	L1 (mm)	L (mm)
75	75	132
90	85	150
110	87	163
125	87	170
160	100	200
180	107	222
200	114	239
225	120	265
250	130	292
280	140	316
315	150	348
355	165	400
400	180	407

Size (mm)	L1 (mm)	L (mm)
75	72	116
90	82	136
110	84	142
125	88	150
160	100	175
180	107	185
200	114	199
225	122	211
250	130	228
280	140	235
315	150	270

Size (mm)	L1 (mm)	L (mm)
20	41	47
25	41	47
32	44	52
40	49	60
50	56	69
63	65	80
75	70	91
90	79	104
110	82	115
125	87	124
160	98	144
180	105	159
200	112	173
225	121	189
250	129	207
280	139	227
315	151	252
355	165	280
400	179	312

Size (mm)	Z1 (mm)	Z (mm)	L (mm)	L1 (mm)
75	75	132	75	264
90	85	150	85	300
110	90	163	90	325
125	89	166	89	332
160	100	195	100	390
180	107	212	107	425
200	114	232	114	465
225	122	267	122	534
250	131	300	131	600
280	140	309	140	618
315	152	344	152	689
355	166	400	166	800
400	180	410	180	820

Size (mm)	D (mm)	D1 (mm)	L (mm)
63	125	18	12
75	145	18	18
90	160	18	20
110	180	18	22
125	180	18	22
160	240	22	24
180	240	22	24
200	295	22	26
225	295	22	26
250	355	26	29
280	355	26	29
315	410	26	32
355	470	26	35
400	525	30	32

Size (mm)	D (mm)	D1 (mm)	L (mm)	H (mm)
63	105	54	132	4
75	127	62	153	3.5
90	142	74	168	3.5
110	158	90	184	3.5
125	162	102	188	3.5
160	212	131	238	3.5
180	212	148	238	3.5
200	268	164	294	3.5
225	273	184	299	3.5
250	320	204	346	3.5
280	320	229	346	3.5
315	370	258	396	4
355	438	302	464	4.5
400	482	327	508	5

Size (mm)	L1 (mm)	L (mm)
20	41	84
25	41	84
32	44	90
40	49	100
50	55	113
63	63	129
75	70	143
90	79	161
110	82	167
125	87	177
160	98	199
180	105	213
200	112	227
225	120	243
250	129	261
280	135	273
315	155	304
355	164	332
400	179	362

Size (mm)	L1 (mm)	L (mm)
32	44	56
40	49	64
50	55	73
63	63	85
75	70	95
90	79	107
110	82	116
125	87	127
160	98	150
180	105	157
200	112	170
225	—	—
250	129	202
315	150	238
400	190	280

Size (mm)	L1 (mm)	L (mm)
20	41	98
25	41	102
32	44	118
40	49	136
50	55	157
63	63	190
75	70	215
90	79	242
110	82	266
125	87	290
160	98	338
180	105	368
200	112	398
225	120	460
250	129	472
315	150	567
400	179	690

Size (mm)	D (mm)	L (mm)	L1 (mm)
63	102	98	67
75	122	120	84
90	138	135	98
110	158	140	100
125	158	140	100
160	212	175	122
180	212	180	135
200	268	200	140
225	268	200	149
250	324	200	143
280	320	210	142
315	374	227	159
355	438	236	165
400	485	258	182

Size (mm)	L1 (mm)	L (mm)
75	75	132
90	85	150
110	87	163
125	87	170
160	100	200
180	107	222
200	114	239
225	120	265
250	130	292
280	140	316
315	150	348
355	165	400
400	180	407

Size (mm)	L1 (mm)	L (mm)
75	72	116
90	82	136
110	84	142
125	88	150
160	100	175
180	107	185
200	114	199
225	122	211
250	130	228
280	140	235
315	150	270

Size (mm)	L1 (mm)	L (mm)
20	41	47
25	41	47
32	44	52
40	49	60
50	56	69
63	65	80
75	70	91
90	79	104
110	82	115
125	87	124
160	98	144
180	105	159
200	112	173
225	121	189
250	129	207
280	139	227
315	151	252
355	165	280
400	179	312

Size (mm)	Z1 (mm)	Z (mm)	L (mm)	L1 (mm)
75	75	132	75	264
90	85	150	85	300
110	90	163	90	325
125	89	166	89	332
160	100	195	100	390
180	107	212	107	425
200	114	232	114	465
225	122	267	122	534
250	131	300	131	600
280	140	309	140	618
315	152	344	152	689
355	166	400	166	800
400	180	410	180	820

Size (mm)	D (mm)	D1 (mm)	L (mm)
63	125	18	12
75	145	18	18
90	160	18	20
110	180	18	22
125	180	18	22
160	240	22	24
180	240	22	24
200	295	22	26
225	295	22	26
250	355	26	29
280	355	26	29
315	410	26	32
355	470	26	35
400	525	30	32

Size (mm)	D (mm)	D1 (mm)	L (mm)	H (mm)
63	105	54	132	4
75	127	62	153	3.5
90	142	74	168	3.5
110	158	90	184	3.5
125	162	102	188	3.5
160	212	131	238	3.5
180	212	148	238	3.5
200	268	164	294	3.5
225	273	184	299	3.5
250	320	204	346	3.5
280	320	229	346	3.5
315	370	258	396	4
355	438	302	464	4.5
400	482	327	508	5

Size (mm)	L1 (mm)	L (mm)
20	41	84
25	41	84
32	44	90
40	49	100
50	55	113
63	63	129
75	70	143
90	79	161
110	82	167
125	87	177
160	98	199
180	105	213
200	112	227
225	120	243
250	129	261
280	135	273
315	155	304
355	164	332
400	179	362

Size (mm)	L1 (mm)	L (mm)
32	44	56
40	49	64
50	55	73
63	63	85
75	70	95
90	79	107
110	82	116
125	87	127
160	98	150
180	105	157
200	112	170
225	—	—
250	129	202
315	150	238
400	190	280

Size (mm)	L1 (mm)	L (mm)
20	41	98
25	41	102
32	44	118
40	49	136
50	55	157
63	63	190
75	70	215
90	79	242
110	82	266
125	87	290
160	98	338
180	105	368
200	112	398
225	120	460
250	129	472
315	150	567
400	179	690