Stainless Steel Concentric Reducer Welding Pipe Fittings

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Shanghai Wakamatsu Metal Products Co., Ltd.

Founded in 2003, Shanghai Wakamatsu is a Japan-funded manufacturer specializing in stainless steel screwed fittings, valves, and bite type tube fittings.

With over two decades of industry expertise, we combine Japanese precision manufacturing with advanced production facilities to deliver high-quality solutions for global clients.

Our products are widely used in construction, industrial equipment, and safety systems, and are trusted by customers across Japan, Europe, and Southeast Asia.

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13 Oct, 2025
Both large metal containers and hundreds of kilometers of fluid transmission pipelines are connected by welding. Through the welding method, the welded joint wi...
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Product function: it is mainly used to switch, cut off or connect the medium in the pipeline, and can also be used for fluid regulation and control. It can not ...
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Application of stainless steel ball valve Shanghai ruosung metal products Co., Ltd
13 Oct, 2025
Introduction to ball valve: Ball valve is mainly used to cut off, distribute and change the flow direction of medium in the pipeline. Ball valve is a new type o...
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Up knowledge, what is the soft and hard of stainless steel pipe fittings expressed by?
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Stainless steel is certainly familiar to everyone. It can be seen everywhere in life, such as stainless steel thermos cups, stainless steel bowls, etc. in fact,...
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Phone: +86-21-59261529
Email: sales@sh-wakamatsu.com
Email: panhy@sh-wakamatsu.com
Add: B3 Factory , Industrial Park, Jinze Town, Shanghai, China

DN		OD		Distance between two ends H
A	B	OD1	OD2	Distance between two ends H
20X15	3/4X1/2	27.2	21.7	38.1
25X20	1X3/4	34.0	27.2	50.8
25X15	1X1/2	34.0	21.7	50.8
32X25	1"1/4X1	42.7	34.0	50.8
32X20	1"1/4X3/4	42.7	27.2	50.8
40X32	1"1/2x1"1/4	48.6	42.7	63.5
40X25	1"1/2X1	48.6	34.0	63.5
40X20	1"1/2X3/4	48.6	27.2	63.5
40X15	"1/2K1/2	48.6	21.7	63.5
50X40	2X1"1/2	60.5	48.6	76.2
50X32	2X1"1/4	60.5	42.7	76.2
50X25	2X1	60.5	34.0	76.2
50X20	2X3/4	60.5	27.2	76.2
50X15	2X1/2	60.5	21.7	76.2
65X50	2"1/2X2	76.3	60.5	88.9
65X40	2"1/2X1"1/2	76.3	48.6	88.9
65X32	2"1/2X1"1/4	76.3	42.7	88.9
65X25	2"1/2X1	76.3	34.0	88.9
80X65	3X2*1/2	89.1	76.3	88.9
80X50	3X2	89.1	60.5	88.9
80X40	3X1*1/2	89.1	48.6	88.9
80X32	3X1*1/4	89.1	42.7	88.9
80X25	3X1	89.1	34.0	88.9
100X80	4X3	114.3	89.1	101.6
100X65	4X2*1/2	114.3	76.3	101.6
100X50	4X2	114.3	60.5	101.6
100X40	4X1"	114.3	48.6	101.6
125X100	5X4	139.8	114.3	127.0
125X80	5X3	139.8	89.1	127.0
125X65	5X2*1/2	139.8	76.3	127.0
125X50	5X2	139.8	60.5	127.0
150X125	6X5	165.2	139.8	139.7
150X100	6X4	165.2	114.3	139.7
150X80	6X3	165.2	89.1	139.7
150X65	6X21/2	165.2	76.3	139.7
150X50	6X2	165.2	60.5	139.7
200X150	8X6	216.3	165.2	152.4
200X125	8X5	216.3	139.8	152.4
200X100	8X4	216.3	114.3	152.4
250X200	10X8	267.4	216.3	177.8
250X150	10X6	267.4	165.2	177.8
250X125	10X5	267.4	139.8	177.8
300X250	12X10	318.5	267.4	203.2
300X200	12X8	318.5	216.3	203.2
300X150	12X6	318.5	165.2	203.2