Welwin Pipes & Fittings

ASME B16.9 BUTTWELD REDUCERS

Welwin Pipes & Fittings is a dynamic group, which was established over a decade ago to cater to growing demands of ASME B16.9 Buttweld Reducers standards in Elbow, Tee, Cross, Reducers, Nipple , Coupling etc in all materials like Stainless Steel , Carbon Steel & High Nickel Alloys. We Manufacture, Export and Supply Buttweld Fittings which meets with national and international quality standards and producing base which owns equipments conforming to international technical level and is well equipped with a whole set of advanced plasma refining equipments.
We manufacture all 3 groups of Fittings such as Buttweld (BW) fittings, Socket Weld (SW) fittings & Threaded (THD) fittings as per ASME B16.11 standards & other International standards. We export our high quality ASME B16.9 Buttweld Reducing Cross to Kuwait, Egypt and Qatar.

SPECIFICATIONS OF ASME B16.9 BUTTWELD REDUCERS

Sizes: 1/2” TO 36” (SEAMLESS UPTO 24”) (WELDED 8” TO 36” )

Types of ASME B16.9 Buttweld Reducers: Concentric Reducers and Eccentric Reducers

Standards: ASME / ANSI - B 16.9
ASTM A403 - ASME SA403 - 'Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings'
API 590-605
ASME B16.9 - 'Factory-Made Wrought Buttwelding Fittings'
ASME B16.25 - 'Buttwelding Ends'
ASME B16.28 - 'Wrought Steel Buttwelding Short Radius Elbows and Returns'
MSS SP-43 - 'Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications'

Schedule: Sch 5 TO Sch XXS.

Thickness: Schedule 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS and etc.

Type: Buttweld (BW)

Material and Grades:

Carbon Steel:
ASTM A234 Gr. WPB
ASTM A420 Gr. WPL6
ASTM A105
ASTM A350 Gr. LF2
Stainless Steel:
ASTM A403 WP316/316L
ASTM A403 WP304/304L
ASTM A182 F316L, 304L

DIMENSIONS OF ASME B16.9 BUTTWELD REDUCERS

REDUCERS
inches	mm	D	d	H
3/4 x 3/4	20 x 15	26,67	21,34	38,10
3/4 x 3/8	20 x 10	26,67	17,14	38,10
1 x 3/4	25 x 20	33,40	26,67	50,80
1 x 1/2	25 x 15	33,40	21,34	50,80
1 1/4 x 1	32 x 25	42,16	33,40	50,80
1 1/4 x 3/4	32 x 20	42,16	26,67	50,80
1 1/4 x 1/2	32 x 15	42,16	21,34	50,80
1 1/2 x 1 1/4	40 x 32	48,26	42,16	63,50
1 1/2 x 1	40 x 25	48,26	33,40	63,50
1 1/2 x 3/4	40 x 20	48,26	26,67	63,50
1 1/2 x 1/2	40 x 15	48,26	21,34	63,50
2 x 1 1/2	50 x 40	60,32	48,26	76,20
2 x 1 1/4	50 x 32	60,32	42,16	76,20
2 x 1	50 x 25	60,32	33,40	76,20
2 x 3/4	50 x 20	60,32	26,67	76,20
2 1/2 x 2	65 x 50	73,02	60,32	88,90
2 1/2 x 1 1/2	65 x 40	73,02	48,26	88,90
2 1/2 x 1 1/4	65 x 32	73,02	42,16	88,90
2 1/2 x1	65 x 25	73,02	33,40	88,90
3 x 2 1/2	80 x 65	88,90	73,02	88,90
3 x 2	80 x 50	88,90	60,32	88,90
3 x 1 1/2	80 x 40	88,90	48,26	88,90
3 x 1 1/4	80 x 32	88,90	42,16	88,90
3 1/2 x 3	90 x 80	101,60	88,90	101.60
3 1/2 x 2 1/2	90 x 65	101,60	73,02	101.60
3 1/2 x 2	90 x 50	101,60	60,32	101.60
3 1/2 x 1 1/2	90 x 40	101,60	48,26	101.60
3 1/2 x 1 1/4	90 x 32	101,60	42,16	101.60
4 x 3 1/2	100 x 90	114,30	73,02	101.60
4 x 3	100 x 80	114,30	88,90	101.60
4 x 2 1/2	100 x 65	114,30	73,02	101.60
4 x 2	100 x 50	114,30	60,32	101.60
4 x 1 1/2	100 x 40	114,30	48,26	101.60
5 x 4	125 x 100	141,30	114,30	127,00
5 x 3 1/2	125 x 90	141,30	101,60	127,00
5 x 3	125 x 80	141,30	88,90	127,00
5 x 2 1/2	125 x 65	141,30	73,02	127,00
5 x 2	125 x 50	141,30	60,32	127,00
6 x 5	150 x 125	168,27	141,30	139,7
6 x 4	150 x 100	168,27	114,30	139,7
6 x 1/2	150 x 90	168,27	101,60	139,7
6 x 3	150 x 80	168,27	88,90	139,7
6 x 1/2	150 x 65	168,27	73,02	139,7
8 x 6	200 x 150	219,07	168,27	152,4
8 x 5	200 x 125	219,07	141,30	152,4
8 x 4	200 x 100	219,07	114,30	152,4
8 x 3 1/2	200 x 90	219,07	101,60	152,4
10 x 8	250 x 200	273,05	219,07	177,8
10 x 6	250 x 150	273,05	168,27	177,8
10 x 5	250 x 125	273,05	141,30	177,8
10 x 4	250 x 100	273,05	114,30	177,8
12 x 10	300 x 250	323,85	273,05	203,2
12 x 8	300 x 200	323,85	219,07	203,2
12 x 6	300 x 150	323,85	168,27	203,2
12 x 5	300 x 125	323,85	141,30	203,2
14 x 12	350 x 300	355,60	323,85	330,2
14 x 10	350 x 250	355,60	273,05	330,2
14 x 8	350 x 200	355,60	219,07	330,2
14 x 6	350 x 150	355,60	168,27	330,2
16 x 14	400 x 350	406,40	355,60	355,6
16 x 12	400 x 300	406,40	323,85	355,6
16 x 10	400 x 250	406,40	273,05	355,6
16 x 8	400 x 200	406,40	219,07	355,6
18 x 16	450 x 400	457,20	406,40	381,0
18 x 14	450 x 350	457,20	355,60	381,0
18 x 12	450 x 300	457,20	323,85	381,0
18 x 10	450 x 250	457,20	273,05	381,0
20 x 18	500 x 450	508,00	457,20	508,0
20 x 16	500 x 400	508,00	406,40	508,0
20 x 14	500 x 350	508,00	355,60	508,0
20 x 12	500 x 300	508,00	323,85	508,0
22 x 20	550 x 500	558,80	508,00	508,0
22 x 18	550 x 450	558,80	457,20	508,0
22 x 16	550 x 400	558,80	406,40	508,0
22 x 14	550 x 350	558,80	355,60	508,0
24 x 22	600 x 550	609,6	558,80	508,0
24 x 20	600 x 500	609,6	508,00	508,0
24 x 18	600 x 450	609,6	457,20	508,0
24 x 16	600 x 400	609,6	406,40	508,0
Dimension in mm.

PACKAGING OF ASME B16.9 BUTTWELD REDUCERS

Packaging: ASME B16.9 Buttweld Reducers Flanges is sleeved into plastic bag individually, ten pieces wrapped with water-proof material, bundled with nylon rope. Clear labels are tagged on the outside of the package for easy identification of the quantity and product I.D. Great care is taken during operation and transportation.

Prevent any damage.
During transportation items are tagged, packed in plastic bags and closed in carton boxes or seaworthy wooden cases.

plywood case,pallet and according to customer's requirment

Marking: ASME B16.9 Buttweld Reducers Flanges are marked with alloy name, outside diameter, wall thickness and heat number. Additional information like standard and alloy numbers can be added on request.