ASTECH VALVE CO.,LTD.

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.

Flap Type / Ball Type / See Through Type, SG41 / SG42 / SG43 / SG51 / SG52 / SG53

ASTECH VALVE CO.,LTD. is a leading provider of Flap Type / Ball Type / See Through Type and performance products and is recognized throughout the machinery & industrial supplies industries for its complete selection, superior customer care, and fast delivery. We are a leader in the design, development, and delivery of innovative technologies that enable people, organizations, and applications to connect efficiently and effectively. In addition to Flap Type / Ball Type / See Through Type, we also specialize in providing SG41 / SG42 / SG43 / SG51 / SG52 / SG53, Flap Type / Ball Type / See Through Type, Sight Glass. If you need any help shopping with us, please give us a call on Phone Number or ask in-store and we'll do everything we can to make things easier.
Categories > Sight Glass > Flap Ball type > Flap Type / Ball Type / See Through Type
Flap Type / Ball Type / See Through Type

SG41 / SG42 / SG43 / SG51 / SG52 / SG53

Flap Type / Ball Type / See Through Type

We provide a variety of Sight Glass and Flap Type with competitive price.
Parts and Material List :



No. Part Name Material
1 Body A351 CF8 / CF8M
2 Cap A351 CF8 / CF8M
3 Packing PTFE
4 Glass Tempered Glass
5 Packing PTFE
6 Flap SS304 / SS316
7 Bolt SS304 / SS316
8 Screen SS304 / SS316
9 Ball PE


Test Pressure (Mpa)
Shell Test 16.2 (By Water)
Seat Test 7.0 (By Air)

Size 1/2" 3/4" 1" 1-1/4" 1-1/2" 2"
15A 20A 25A 32A 40A 50A
L 108 113 113 125 125 170
W 30 36 43 56 59 74
H 68 68 68 100 102 120
S PT 1/2" PT 3/4" PT 1" PT 1-1/4" PT 1-1/2" PT 2"


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Flap Type / Ball Type / See Through Type

SG51 / SG52 / SG53

Max. Working Pressure 0.35 to 7.0 kg/cm2
Max. Working Temp. 220oC
 
Parts and Material List
No. Part Name Material
1 Body WCB / CF8 / CF8M
2 Cap WCB / CF8 / CF8M
3 Packing PTFE
4 Glass Toughened Soda Lime Glass
5 Flap SS304 / SS316
6 Screen SS304 / SS316
7 Ball PE




Size L H ∮ D ∮ D2 ∮ D1 n-∮ d
inch mm 10K 150LB PN16 10K 150LB PN16 10K 150LB PN16 10K 150LB PN16 10K 150LB PN16
DN15 1/2" 130 130 100 79 40 95 89 95 70 60.5 65 4-15 4-16 4-14
DN20 3/4" 130 150 100 85 40 100 99 105 75 69.9 75 4-15 4-16 4-14
DN25 1" 170 160 100 85 40 125 108 115 90 79.2 85 4-19 4-16 4-14
DN32 1-1/4" 200 180 125 111 50 135 117 140 100 88.9 100 4-19 4-16 4-18
DN40 1-1/2" 200 200 125 119 50 140 127 150 105 98.6 110 4-19 4-16 4-18
DN50 2" 220 230 125 131 50 155 152 165 120 120.7 125 4-19 4-19 4-18
DN65 2-1/2" 270 290 167 157 85 175 178 185 140 139.7 145 4-19 4-19 8-18
DN80 3" 270 310 180 167 85 185 191 200 150 152.4 160 8-19 4-19 8-18
DN100 4" 320 350 210 195 110 210 229 220 175 190.5 180 8-19 8-19 8-18
DN125 5" 380 400 270 225 130 250 254 250 210 215.9 210 8-23 8-22 8-18
DN150 6" 420 480 280 247 160 280 279 285 240 241.3 240 8-23 8-22 8-22
DN200 8" 500 600 345 315 160 330 343 340 290 298.5 295 12-23 8-22 12-22



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ASTECH VALVE CO.,LTD. is a well-established and highly respected Taiwan Flap Type / Ball Type / See Through Type manufacturer with a global reputation for excellence in product design, quality, reliability and the highest levels of customer service. Our team members frequently communicate with the clients to know about their exact requirements and serve them accordingly. Please feel free to contact us if you are looking for a reliable Flap Type / Ball Type / See Through Type supplier.