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.

True Union Ball Valve Manufacturer

As a true union ball valve manufacturer, Sekisui Industrial Piping Co., Ltd. ensures all of our true union ball valve are affordable and priced competitively with other similar products on the market. We promise that our service is second to none! Every person who purchases a product from Sekisui Industrial Piping Co., Ltd. will have access to our service department when it is needed. In addition, we specialize in servicing the MEFCO manual valve needs of businesses locally and across the country. If you are looking for true union ball valve manufacturer, we hope that you will find our site both informative and useful, but if you want to know more, or have any comments or feedback, please do not hesitate to contact with us.
Categories > MEFCO Manual Valve > True Union Ball Valve (BD)
True Union Ball Valve (BD)

True Union Ball Valve (BD)

  • Size ½”-4”
  • Full port design
  • Actuator could be installed with inserted nut type. The standard product is without inserted nut.
  • Flange, socket or threaded end

Features :

MEFCO True Union Ball Valve (BD) possess double unions for repair / maintenance and actuator inserted nut (optional) for Electric / Pneumatic application. Two body (PVC & CPVC) and sealing (EPDM & FKM) material are available for different fluid application. Three conjunction way: socket (ASTM, DIN and JIS), thread (NPT, Rc and Rp) and flange (ANSI 150 PSI and DIN PN 10) are offered. (1/2 to 2 inches, 15-50mm)

Specification :

Working pressure:150psi@73.4°F(23°C)

NO PART NAME Q'ty MATERIAL
1 BODY 1 PVC / CPVC
2 STEM 1 PVC / CPVC
3 BALL 1 PVC / CPVC
4 UNION NUT 2 PVC / CPVC
5 UNION END 2 PVC / CPVC
6 SPACER 1 PVC / CPVC
7 SET RING 2 PVC / CPVC
8 HANDLE 1 ABS
9 SPACER SEAL 1 EPDM
10 END SEAL 2 EPDM
11 STEM ORING 2 EPDM
12 SEAT SEAL 2 EPDM
13 SAT 2 PTFE




TS Socket Type
Size L Ød ØDu ANSI DIN JIS l H1 H2 HL F M
A B Ød1 Ød2 Ød1 Ød2 Ød1 Ød2
15 1/2 104 15 53 21.54 21.23 20.3 20.1 22.4 21.52 22.5 53 25 84 31 M6
20 3/4 117 20 61 26.87 26.57 25.3 25.1 26.45 25.42 26 61 29 90 33 M6
25 1 132 25 71 33.67 33.27 32.3 32.1 32.55 31.37 30 71 36.5 106 40 M6
32 1 1/4 147 32 83 42.42 42.04 40.3 40.1 38.6 37.31 32 82.5 41 116 52 M8
40 1 1/2 167 40 96 48.56 48.11 50.3 50.1 48.7 47.21 36 91 48 128 52 M8
50 2 179 50 116 60.63 60.17 63.3 63.1 60.8 59.1 40 110 54.5 140 70 M8


Thread Type
Size L Ød ØDu NPT Rp Rc H1 H2 HL F M
A B thd./in l(min) thd./in l(min) thd./in l(min)
15 1/2 104 15 53 14 16.5 14 15 14 13 53 25 84 31 M6
20 3/4 117 20 61 14 17 14 16.5 14 15 61 29 90 33 M6
25 1 132 25 71 11.5 21 11 19 11 17 71 36.5 106 40 M6
32 1 1/4 147 32 83 11.5 22 11 22 11 19 82.5 41 116 52 M8
40 1 1/2 167 40 96 11.5 22 11 22 11 19 91 48 128 52 M8
50 2 179 50 116 11.5 23 11 26 11 23 110 54.5 140 70 M8


Flange Type
Size Ød 150 PSI PN 10 H1 HL F M
A B L ØD ØC n-Øh t L ØD ØC n-Øh t
15 1/2 15 143 90 60.3 4-16 11.5 130 95 65 4-14 11 53 84 31 M6
20 3/4 20 172 100 69.9 4-16 13.0 150 105 75 4-14 12 61 90 33 M6
25 1 25 187 110 79.4 4-16 14.5 160 115 85 4-14 14 71 106 40 M6
32 1 1/4 32 190 115 88.9 4-16 16.0 180 140 100 4-18 15 82.5 116 52 M8
40 1 1/2 40 212 125 98.4 4-16 17.5 200 150 110 4-18 16 91 128 52 M8
50 2 50 234 150 120.7 4-19 19.5 230 165 125 4-18 18 110 140 70 M8

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Our company is a reputed true union ball valve manufacturer in plastic & rubber products. We have a well-maintained quality management comprising a team of experienced professionals that keeps an eye on every true union ball valve to ensure durability. You'll benefit from our resources, our experience and our personalized customer service. So should you have any questions or need our any products of Sekisui Industrial Piping Co., Ltd., please don't hesitate to contact us. We are very welcome any further inquiries and comments from you.