AST was established in Mar.1999, the company's leading operation include valve design, manufacture and sales. AVC was established in Jan. 2010, and fell together with ASTIC for the parent company, the company's leading operation include design & manufacture of Wafer Type Check Valve Series & Metal Seat Ball Valve Series. Our company by ANGLO JAPANESE AMERICAN REGISTRARS TAIWAN LIMITED ISO - 9001 in June 2011, and plan by CE & API in 2013. For expansion of the Japanese market demand, and Japan branch was established in Nov. 2004, It's mainly responsible for sales, and a quality assurance section warehousing and delivery. The Company towards stability and professional quality is the main direction and strategy. To establish an independent AST & AVC brand and marketing East Asia, Southeast Asia and the Middle East market. Find OEM and ODM partners, and plan to market to Europe and America.

Bronze Swing Check Valve

Founded in 1999, ASTECH VALVE CO.,LTD. started with the development and manufacture of bronze swing check valve. With the continuous effort over the years, our company has accumulated industry’s best R&D capabilities and became one of the biggest and highest quality manufacturers. ASTECH VALVE CO.,LTD. achieved a market leader position in the bronze swing check valve. Apart from this, the offered products are highly demanded in the market for their optimum performance, reliability and durability.
Bronze Swing Check Valve


Bronze Swing Check Valve

We are professional manufacturer of Bronze Gate Valve, providing Bronze Y-Strainer, Wafer Check Valve and Sight Glass with superior quality.

● Horizontal swing type
● Bronze metal disc.
● Connected ends, comply to NPT (ANSI B1.20.1), BSPT (BS21.0), BSPF
● Full Port

Parts and Material List
No Parts Name Material
1 Body Cast Bronze
2 Bonnet 1/4"~3/4" Brass
1"~4" " Cast Bronze
3 Disc 1/4"~1" Brass
1-1/2"~4" Cast Bronze
3M Seat Ring Metal
3N Seat Ring (Option) NBR
3P Seat Ring (Option) PTFE
4 Stem Brass
5 Gland Nut Brass
6 Hand Wheel Cast Iron
7 Packing PTFE
8 Gland Brass
Size H L
1/4" 39.0 55.0
3/8" 39.0 55.0
1/2" 39.0 55.0
3/4" 43.0 63.0
1" 48.0 73.0
1-1/4" 58.0 81.0
1-1/2" 61.0 92.0
2" 68.0 108.0
2-1/2" 86.0 137.0
3" 97.0 148.0
4" 113.0 180.0

Working Pressure
Working Pressure (Non shock) - psi Test Pressure - psi
Saturated Steam Cold w ater, Oil, Gas Shell Seat
150 300 by w ater by air
- - 450 80

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As a leading manufacturer of bronze swing check valve, we provide bronze swing check valve with high quality and reasonable price. Our company is a professional manufacturer of bronze swing check valve, providing bronze valve with top quality. As a client-centric company, we constantly endeavour to offer quality assortment and we know that it is essential for us to serve the demands of our valued clients that are eminent in the domestic as well as international markets.