Concentric reducers are a critical part of pipe fittings that serve to join pipes with disparate diameters. Concentric reducers function to transition between pipes with a uniform, axis-centered arrangement. Concentric reducers at Pratik Pipe & Fittings have expertise in providing high-performance concentric reducers for a variety of industries. As manufacturers, suppliers, stockists, exporters, and importers, we make sure that each one of them adheres to high standards of quality, offering dependable solutions for a variety of sectors in piping systems.

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As reliable buyers, we source the finest materials and goods to maintain the integrity and purity of our concentric reducers. We source high-quality pipe fittings through reliable producers all over the world and pass them on to our customers. With our alliances, we can source a variety of reducers for use in numerous industries and processes and become a one-stop-shop for all pipe requirements.

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As manufacturers, we take care to have our Concentric Reducerss pass through stringent tests and inspections at every stage of production. Right from raw material selection to dispatch, our experienced professionals go out of their way to have each and every one of them meet industry standards for durability, corrosion resistance, and accuracy in dimensions. With a state-of-the-art manufacturing unit with cutting-edge machines and technology, we have the capacity to produce high-performance Concentric Reducerss for use in extreme environments.

Pratik Pipe & Fittings is your one-stop-shop for high-performance concentric reducers. As a manufacturer, a supplier, a stockist, an exporter, and an importer, we have a one-stop-shop for your overall requirements, offering assured performance for your pipe system. With a strong commitment to quality and customer satisfaction, we're at the top when it comes to providing reliable and durable pipe parts that meet your high standards.

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Concentric Reducers Specification

Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175
Specifications	Concentric Reducers
Concentric Reducers Fitting Pipe Fittings size	Seamless Butt Weld Fittings: 1/2" - 10" Welded Butt Weld Fittings: 1/2" - 48"
Pipe Cross Fittings Dimensions	ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10
Cross Pipe Fittings Thickness	SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75
Buttweld Concentric Reducers Fittings Types	Seamless / ERW / Welded / Fabricated Pipe Fittings
BSP Concentric Reducers Type	DN15-DN1200
Connection	Welding
Bending Radius	R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom Pipe Fittings
Size Range	½" NB to 24" NB in Sch 10s, 40s, 80s, 160s, XXS. (DN6~DN100)
Pipe Cross Fittings Fittings	Angle : 22.5 deg, 30deg, 45 deg, 90 deg, 180 deg, 1.0D, 1.5D, 2.0D, 2.5D, 3D, 4D, 5D, 6D, 7D-40D. Standard: ASME B16.9, ASME B16.28, ASME B16.25, MSS SP-75 DIN2605 JISB2311 JISB2312 JISB2313, BS, GB, ISO
Manufacturing process	Push, Press, Forge, Cast, etc.
Buttweld Concentric Reducers Fittings Fittings Test Certificates	EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc
Key markets and industries for Concentric Reducers	Bitumen upgraders. Heavy oil refineries. Nuclear power (mostly seamless). Petrochemicals and acids.
Application	Fittings To Connect Pipe & Tubes in Petroleum, Power, Chemical, Construction, Gas, Metallurgy, Shipbuilding etc ASME B16.9 Schedule 10 Concentric Reducers are an economical alternative for lower-pressure applications. ANSI B16.9 Schedule 40 Concentric Reducers have a thicker wall for higher-pressure applications.

Material of Concentric Reducers

Carbon Steel Concentric Reducers	ASTM A234 WPB ASTM A420 WPL6 DIN 1.0402 DIN 1.0460 DIN 1.0619 ASTM A234 WPB ASTM A420 WPL6 WPHY 42 WPHY 52 WPHY 60
Stainless Steel Cross	ASTM A403 WP304 ASTM A403 WP304L ASTM A403 WP316 ASTM A403 WP316L ASTM A403 WP317 ASTM A403 WP317L ASTM A403 WP321 ASTM A403 WP321H ASTM A403 WP347 ASTM A403 WP347H
Alloy Steel Concentric Reducers	ASTM A234 WP5 ASTM A234 WP9 ASTM A234 WP11 ASTM A234 WP22 ASTM A234 WP91
Inconel Concentric Reducers Fitting	Inconel 600 Pipe Cross Fittings Inconel 601 Concentric Reducers Inconel 625 BSP Concentric Reducers Inconel 718 Cross Pipe Fittings Inconel x750 Cross
Copper Pipe Cross Fittings	T1, T2, C10100, C10200, C10300, C10400, C10500, C10700, C10800, C10910,C10920, TP1, TP2, C10930, C11000, C11300, C11400, C11500, C11600, C12000,C12200, C12300, TU1, TU2, C12500, C14200, C14420, C14500, C14510, C14520, C14530, C17200, C19200, C21000, C23000, C26000, C27000, C27400, C28000, C33000, C33200, C37000, C44300, C44400, C44500, C60800, C63020, C68700, C70400, C70600, C70620, C71000, C71500, C71520, C71640, etc
Copper Nickel Cross Pipe Fittings	Copper Nickel 90/10 (C70600 ) Concentric Reducers, Cupro Nickel 70/30 (C71500) Cross, UNS C71640 Pipe Cross Fittings
Brass BSP Concentric Reducers	3602 / 2604 / H59 / H62 / etc.
Hastelloy Buttweld Concentric Reducers Fittings	Hastelloy C276 (UNS N10276) Cross, C22 (UNS N06022) Concentric Reducers, C4 Concentric Reducers, C2000 Concentric Reducers Fitting, B2 Pipe Cross Fittings, B3 Cross, X BSP Concentric Reducers
Monel Buttweld Concentric Reducers Fittings	Monel 400 (UNS No. N04400) Cross, Monel 500 (UNS No. N05500) Concentric Reducers Fitting
Alloy 20 Pipe Cross Fittings	Carpenter® 20 Alloy Buttweld Concentric Reducers Fittings, Alloy 20Cb-3 Cross Pipe Fittings
Aluminium Concentric Reducers Fitting	5052 /6061/ 6063 / 2017 / 7075 / etc.
Nickel Cross Pipe Fittings	Nickel 200 Cross, Nickel 201 BSP Concentric Reducers
Duplex Buttweld Concentric Reducers Fittings	S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Super Duplex Cross	S32750 / S32760 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Incoloy Pipe Cross Fittings	Incoloy 800 BSP Concentric Reducers, Incoloy 800H Cross, Incoloy 800HT (UNS N08800) Concentric Reducers Fitting, Incoloy 825 (UNS N08825) Cross Pipe Fittings
254 Smo Concentric Reducers	SMO 254/6Mo Pipe Cross Fittings, UNS S31254 Cross, DIN 1.4547 Concentric Reducers Fitting
Nimonic Buttweld Concentric Reducers Fittings	Nimonic 75 Cross, Nimonic 80A Cross, Nimonic 90 Cross Pipe Fittings
Other BSP Concentric Reducers material	Tin bronze Concentric Reducers Fitting, Alumunum bronze Buttweld Concentric Reducers Fittings, Lead bronze Buttweld Concentric Reducers Fittings
Titanium Cross Pipe Fittings	ASTM B381 Titanium Gr. 1 Concentric Reducers ASTM B381 Titanium Gr. 2 Buttweld Concentric Reducers Fittings ASTM B381 Titanium Gr. 4 Concentric Reducers Fitting ASTM B381 Titanium Gr. 5 Cross ASTM B381 Titanium Gr. 7 Cross Pipe Fittings

Dimensions of Concentric Reducers

Nominal Diameter		Outside Diameter				Center to End
Nominal Diameter		D1		D2		Center to End
DN	NPS	Series A	Series B	Series A	Series B	C	M
15*15	1/2*1/2	21.3	18	21.3	18	25	25
15*10	1/2*3/8	21.3	18	17.3	14	25	25
15*8	1/2*1/4	21.3	18	13.7	10	25	25
20*20	3/4*3/4	26.9	25	26.9	25	29	29
20*15	3/4*1/2	26.9	25	21.3	18	29	29
20*10	3/4*3/8	26.9	25	17.3	14	29	29
25*25	1*1	33.7	32	33.7	32	38	38
25*20	1*3/4	33.7	32	26.9	25	38	38
25*15	1*1/2	33.7	32	21.3	18	38	38
32*32	1.1/4*1.1/4	42.4	38	42.4	38	48	48
32*25	1.1/4*1	42.4	38	33.7	32	48	48
32*20	1.1/4*3/4	42.4	38	26.9	25	48	48
32*15	1.1/4*1/2	42.4	38	21.3	18	48	48
40*40	1.1/2*1.1/2	48.3	45	48.3	45	57	57
40*32	1.1/2*1.1/4	48.3	45	42.4	38	57	57
40*25	1.1/2*1	48.3	45	33.7	32	57	57
40*20	1.1/2*3/4	48.3	45	26.9	25	57	57
40*15	1.1/2*1/2	48.3	45	21.3	18	57	57
50*50	2*2	60.3	57	60.3	57	64	64
50*40	2*1.1/2	60.3	57	48.3	45	64	60
50*32	2*1.1/4	60.3	57	42.4	38	64	57
50*25	2*1	60.3	57	33.7	32	64	51
50*20	2*3/4	60.3	57	26.9	25	64	44
65*65	2/1/2*2.1/2	73.0	76	73.0	76	76	76
65*50	2/1/2*2	73.0	76	60.3	57	76	70
65*40	2/1/2*1.1/2	73.0	76	48.3	45	76	67
65*32	2/1/2*1.1/4	73.0	76	42.4	38	76	64
65*25	2/1/2*1	73.0	76	33.7	32	76	57
80*80	3*3	88.9	89	88.9	89	86	86
80*65	3*2.1/2	88.9	89	73.0	76	86	83
80*50	3*2	88.9	89	60.3	57	86	76
80*40	3*1.1/2	88.9	89	48.3	45	86	73
80*32	3*1.1/4	88.9	89	42.4	38	86	70
90*90	3.1/2*3.1/2	101.6	–	101.6	–	95	95
90*80	3.1/2*3	101.6	–	88.9	89	95	92
90*65	3.1/2*2.1/2	101.6	–	73.0	76	95	89
90*50	3.1/2*2	101.6	–	60.3	57	95	83
90*40	3.1/2*1.1/2	101.6	–	48.3	45	95	79
100*100	4*4	114.3	108	114.3	108	105	105
100*90	4*3.1/2	114.3	108	101.6	–	105	102
100*80	4*3	114.3	108	88.9	89	105	98
100*65	4*2.1/2	114.3	108	73.0	76	105	95
100*50	4*2	114.3	108	60.3	57	105	89
100*40	4*1.1/2	114.3	108	48.3	45	105	86
125*125	5*5	141.3	133	141.3	133	124	124
125*100	5*4	141.3	133	114.3	108	124	117
125*90	5*3.1/2	141.3	–	101.6	–	124	114
125*80	5*3	141.3	133	88.9	89	124	111
125*65	5*2.1.2	141.3	133	73.0	76	124	108
125*50	5*2	141.3	133	60.3	57	124	105
150*150	6*6	168.3	159	168.3	159	143	143
150*125	6*5	168.3	159	141.3	133	143	137
150*100	6*4	168.3	159	114.3	108	143	130
150*90	6*3.1/2	168.3	–	101.6	–	143	127
150*80	6*3	168.3	159	88.9	89	143	124
150*65	6*2.1/2	168.3	159	73.0	76	143	121
200*200	8*8	219.1	219	219.1	219	178	178
200*150	8*6	219.1	219	168.3	159	178	168
200*125	8*5	219.1	219	141.4	133	178	162
200*100	8*4	219.1	219	114.3	108	178	156
200*90	8*3.1/2	219.1	–	101.6	–	178	152
250*250	10*10	273.0	273	273.0	273	216	216
250*200	10*8	273.0	273	219.1	219	216	203
250*150	10*6	273.0	273	168.3	159	216	194
250*125	10*5	273.0	273	141.3	133	216	191
250*100	10*4	273.0	273	114.3	108	216	184
300*300	12*12	323.9	325	323.9	325	254	254
300*250	12*10	323.9	325	273.0	273	254	241
300*200	12*8	323.9	325	219.1	219	254	229
300*150	12*6	323.9	325	168.3	159	254	219
300*125	12*5	323.9	325	141.3	133	254	216
350*350	14*14	355.6	377	355.6	377	279	279
350*300	14*12	355.6	377	323.9	325	279	270
350*250	14*10	355.6	377	273.0	273	279	257
350*200	14*8	355.6	377	219.1	219	279	248
350*150	14*6	355.6	377	168.3	159	279	238
400*400	16*16	406.4	426	406.4	426	305	305
400*350	16*14	406.4	426	355.6	377	305	305
400*300	16*12	406.4	426	323.9	325	305	295
400*250	16*10	406.4	426	273.0	273	305	283
400*200	16*8	406.4	426	219.1	219	305	273
400*150	16*6	406.4	426	168.3	159	305	264
450*450	18*18	457	480	457	480	343	343
450*400	18*16	457	480	406.4	426	343	330
450*350	18*14	457	480	355.6	377	343	330
450*300	18*12	457	480	323.9	325	343	321
450*250	18*10	457	480	273.0	273	343	308
450*200	18*8	457	480	219.1	219	343	298
500*500	20*20	508	530	508	530	381	381
500*450	20*20	508	530	457	480	381	368
500*400	20*20	508	530	406.4	426	381	356
500*350	20*20	508	530	355.6	377	381	356
500*300	20*20	508	530	323.9	325	381	346
500*250	20*20	508	530	273.0	273	381	333
500*200	20*20	508	530	219.1	219	381	324