GKV295Y Y-Type Tank Bottom Valve, also called Y-Type Bottom Discharge Valve, Drain Valve, or Flush Tank Valve, is designed for draining, sampling, and discharge at the bottom of tanks, reactors, and vessels. Its Y-shaped body reduces dead space, ensures full drainage, and prevents material buildup. Ideal for pharmaceutical, food & beverage, chemical, biotech, and cosmetics industries, it allows unobstructed flow and easy cleaning.
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Y-Type Tank Bottom Valve | Hygienic Drain & Outlet Valves for Tanks & Reactors
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Size Range DN25–DN200 (NPS 1"–8") |
Body Material SS304, SS316, SS316L, SS904L, Duplex Stainless Steel, Hastelloy, Titanium, Carbon Steel with Coating，F51, F22 |
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Temperature Range Soft Seat: -20°C to +200°C (-4°F to +392°F) Metal Seat: up to +400°C (+752°F) |
Stem Material SS316, SS316L, Duplex SS, Nitronic 50
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Maximum Allowable Working Pressure Class 150–1500
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Seat Material Standard: RPTFE; Optional: TFM1600, Tek-Fil®, UHMWPE, cavity filler
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Ball Material SS316L, Hastelloy, PTFE-coated Stainless Steel, Ceramic |
Body Style Y Style |
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Design Standards ASME B16.34, ISO 15761, DIN EN 12516, MSS SP-134
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Termination ASME B16.5, DIN EN 1092-1, JIS B2220
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Description：
The Tank Bottom Valve, also known as Y-Type Bottom Outlet Valve, Drain Valve,
or Flush Tank Valve, is designed for installation at the lowest point of tanks,
vessels, or reactors to ensure complete drainage with minimal dead space.
The Y-shaped body design allows the disc to open inside the tank, providing
unobstructed flow, easy cleaning, and effective CIP/SIP sterilization.
This valve is widely used in pharmaceutical, food & beverage, chemical,biotechnology,
and cosmetics industries, where hygiene, safety, and operational efficiency are critical.
Main Features：
Full Drainage Design – Minimizes dead space and prevents material buildup.
Multiple Operation Types – Available in manual, pneumatic, or electric actuation.
Flexible End Connections – Flanged, butt weld, socket weld, tri-clamp, threaded,
or direct-weld tank nozzle.
Wide Material Options – Stainless steel, duplex steel, Hastelloy, titanium, and more.
Hygienic & Industrial Grades – Meets FDA, USP Class VI, and 3-A sanitary standards (optional).
High-Temperature & High-Pressure Capability – Up to +400°C and Class 300.
Y-type body ensures zero dead space for complete tank discharge.
Smooth internal finish meets FDA and 3-A sanitary requirements.
Available in stainless steel, duplex, Hastelloy, titanium, and PTFE.
Temperature from -20°C to +600°C, pressure up to Class 300 / PN40.
Flanged, weld, clamp, threaded, or direct-weld tank nozzle options.
Manual handwheel, pneumatic actuator, or electric actuator available.
Soft or metal seat design ensures tight shut-off even for viscous media.
Designed for pharmaceutical, food, chemical, biotech, and cosmetics.
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GKV295Y Y-Type Tank Bottom Valve, also called Y-Type Bottom Discharge Valve, Drain Valve, or Flush Tank Valve, is designed for draining, sampling, and discharge at the bottom of tanks, reactors, and vessels. Its Y-shaped body reduces dead space, ensures full drainage, and prevents material buildup. Ideal for pharmaceutical, food & beverage, chemical, biotech, and cosmetics industries, it allows unobstructed flow and easy cleaning.
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