ASTECH VALVE CO., LTD.

AST was established in March 1999, focusing on valve design, manufacturing, and sales. AVC was founded in January 2010 and became part of the parent company, ASTIC. AVC specializes in the design and manufacture of Wafer Type Check Valves and Metal Seat Ball Valves. In June 2011, the company received ISO 9001 certification from Anglo Japanese American Registrars Taiwan Limited, with plans to achieve CE and API certifications in 2013. To meet the demand of the Japanese market, a branch office was established in November 2004, responsible for sales, quality assurance, warehousing, and delivery. The company is committed to stability and professional quality, which guide our strategic direction. We aim to establish independent AST and AVC brands while expanding into the East Asia, Southeast Asia, and Middle East markets. Additionally, we are seeking OEM and ODM partners and planning to enter the European and American markets.

Bronze Gate Valves

Welcome to ASTECH VALVE CO., LTD., a leading name among bronze valve manufacturers. We specialize in high-performance bronze gate valve, engineered for durability and efficiency. Our bronze gate valves feature a non-rising stem and a screwed-in bonnet, ensuring a space-saving design while maintaining reliable operation. Designed for maximum flow, our valves incorporate a full port configuration, making them ideal for a variety of applications. The connected ends comply with NPT (ANSI B1.20.1), BSPT (BS21.0), and BSPF standards, ensuring compatibility with various piping systems. When you choose ASTECH VALVE CO., LTD., you are investing in quality and reliability. Our bronze gate valves are crafted to meet the highest industry standards, providing you with a robust solution for your fluid control needs. Experience the difference with ASTECH VALVE CO., LTD.'s exceptional products today!
Bronze Gate Valve

BZ-101

Bronze Gate Valve

We provide a variety of Bronze Gate Valve, such as Bronze Y-Strainer and Flange Type Valve, all with competitive price.


:

Feature

● Non-Rising Stem.
● Screwed-in Bonnet.
● Connected ends, comply to NPT (ANSI B1.20.1), BSPT (BS21.0), BSPF
● Full Port


Parts and Material List
Dimensions
No Parts Name Material
1 Body Cast Bronze
2 Bonnet Cast Bronze
3 Disc Cast Bronze
4 Stem Brass
5 Lock Nut Brass
6 Hand Wheel Cast Iron
7 Gland Nut Brass
8 Packing PTFE
9 Gland Brass
Size H L
1/4" 85.0 42.0
3/8" 85.0 42.0
1/2" 85.0 42.0
3/4" 94.0 50.0
1" 105.0 54.0
1-1/4" 125.0 60.0
1-1/2" 140.0 65.0
2" 155.0 72.0
2-1/2"" 200.0 88.0
3" 220.0 96.0
4" 270.0 115.0

Working Pressure
Working Pressure (Non shock) - psi Test Pressure - psi
Saturated Steam Cold w ater, Oil, Gas Shell Seat
125 200 by w ater by air
- - 300 80


Bronze Gate Valve

BZ-102


Feature
● Non-Rising Stem.
● Screwed-in Bonnet.
● Connected ends, comply to NPT (ANSI B1.20.1), BSPT (BS21.0), BSPF
● Full Port

Parts and Material List
Dimensions
No Parts Name Material
1 Body Cast Bronze
2 Bonnet Cast Bronze
3 Disc Cast Bronze
4 Stem Brass
5 Lock Nut Brass
6 Hand Wheel Cast Iron
7 Gland Nut Brass
8 Packing PTFE
9 Gland Brass
Size H L
1/4" 85.0 46.0
3/8" 85.0 46.0
1/2" 85.0 47.0
3/4" 100.0 51.0
1" 110.0 61.0
1-1/4" 125.0 65.0
1-1/2" 140.0 68.0
2" 157.0 72.0
2-1/2"" 200.0 97.0
3" 230.0 100.0
4" 290.0 118.0

Working Pressure
Working Pressure (Non shock) - psi Test Pressure - psi
Saturated Steam Cold w ater, Oil, Gas Shell Seat
125 300 by w ater by air
- - 450 80


Bronze Gate Valve

BZ-103


Feature
● Non-Rising Stem.
● Screwed-in Bonnet.
● Flange ends drilled to JIS 5K
● Full Port

Parts and Material List
Dimensions
No Parts Name Material
1 Body Cast Bronze
2 Bonnet Cast Bronze
3 Disc Cast Bronze
4 Stem Brass
5 Lock Nut Brass
6 Hand Wheel Cast Iron
7 Gland Nut Brass
8 Packing PTFE
9 Gland Brass
Size L ∮D ∮C T n-∮d
3/4" 80.0 85.0 65.0 10.0 4-12.0
1" 80.0 95.0 75.0 10.0 4-12.0
1-1/4" 100.0 115.0 90.0 12.0 4-15.0
1-1/2" 100.0 120.0 95.0 12.0 4-15.0
2" 115.0 130.0 105.0 14.0 4-15.0
2-1/2"" 127.0 155.0 130.0 14.0 4-15.0
3" 142.0 180.0 145.0 14.0 4-19.0
4" 165.0 200.0 165.0 16.0 8-19.0

Working Pressure
Working Pressure Test Pressure (kg/cm2)
5 kg/cm2 Shell Seat
- by w ater by air
- 10 8

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ASTECH VALVE CO., LTD. stands as a leader among bronze valve manufacturers, dedicated to delivering top-quality bronze gate valves tailored for various industrial applications. Our bronze gate valve feature a non-rising stem and a screwed-in bonnet, ensuring a space-efficient design that provides reliable sealing and durability. Designed with a full port configuration, these valves allow for maximum flow efficiency, making them ideal for fluid control systems. Our valves are equipped with connected ends that comply with NPT (ANSI B1.20.1), BSPT (BS21.0), and BSPF standards, ensuring compatibility with a wide range of piping systems. At ASTECH VALVE CO., LTD., we prioritize quality and customer satisfaction. Our bronze gate valves are engineered to meet rigorous industry standards, providing long-lasting performance for all your operational needs. Experience the reliability and excellence of our products today!