Sekisui Industrial Piping Co., Ltd.

Sekisui Industrial Piping Co., Ltd. located in the Chungkang Export Processing Zone of Taichung City in Taiwan. From March of 2006, Sekisui Industrial Piping Co., Ltd. was established as a wholly-owned subsidiary of Sekisui Chemical Co., Ltd. with full technical supports and had a whole new start.

Union(US)

Union(US) is made from premium material for optimum application to achieve the best fit and specifications for reliability. Sekisui Industrial Piping Co., Ltd. is a well-reputed organization dealing with the manufacturing and supplying of Union(US) and other relative products. We have established strong customer relationships by providing innovative, user-friendly and high-quality products that are manufactured in our sound infrastructure. As being a reputed manufacturer and exporter in the industry, Sekisui Industrial Piping Co., Ltd. will more focus on the quality and innovation of the Union(US), and provide impeccable service and reasonable price for the customers.
Categories > MEFCO NSF Approval Valve > Union(US)
Union(US)

Union(US)

  • Size ½”-4”
  • Suitable for all piping systems
  • Easy to be installed
  • Socket or threaded end
  • Color: Gray

Features :

MEFCO Union (US) with NSF certification is easy to be installed when customer need the function or repair. Available dimension begins from 1/2 to 4 inches (15 – 100mm). We offer ASTM Socket or NPT Thread standard option with color Gray body.

Specification :

Working pressure:150psi@73.4°F(23°C)
NO PART NAME Q'ty MATERAL
1 BODY 1 PVC
2 UNION NUT 1 PVC
3 UNION END 1 PVC
4 O-RING 1 EPDM




Socket Type
Size L Ød ØDu ANSI l
A B Ød1 Ød2
15  1/2 55 15 53 21.54 21.23 22.5
20  3/4 64 20 61 26.87 26.57 26
25 1 72 25 71 33.67 33.27 30
32 1 1/4 77 32 83 42.42 42.04 32
40 1 1/2 86 40 96 48.56 48.11 36
50 2 95 50 116 60.63 60.17 40
65 2 1/2 111 65 150 73.38 72.85 45
80 3 122 76 166 89.31 88.7 48
100 4 148 100 210 114.76 114.07 58


Thread Type
Size L Ød ØDu NPT
A B thd./in l(min)
15  1/2 55 15 53 14 16.5
20  3/4 64 20 61 14 17
25 1 72 25 71 11.5 21
32 1 1/4 77 32 83 11.5 22
40 1 1/2 86 40 96 11.5 22
50 2 95 50 116 11.5 23
65 2 1/2 111 65 150 8 31
80 3 122 76 166 8 33
100 4 148 100 210 8 35

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Sekisui Industrial Piping Co., Ltd. is a well-known manufacturer and supplier of Union(US) in Taiwan. We promise to provide quality products to our customers in a timely manner and at a competitive price. Sekisui Industrial Piping Co., Ltd.'s products have always been known for quality and reliability, making our Union(US) becomes the most specified brand in the plastic & rubber products business. We welcome the feedback of all our customers regarding service, selection, pricing or anything that can help us serve you better.