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Parts

Butterfly valve 316L-PTFE-RDN with gearbox

Wafer, AISI 316/AISI 316L, PTFE seal

Model 316L-PTFE-RDN SKU D050-31971
Regular price $28.31 USD
Regular price Sale price $28.31 USD
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How it works

Manual quarter-turn gearbox

Manual quarter-turn gearbox: Closed
ClosedThe handwheel turns the shaft through the gearbox.
Manual quarter-turn gearbox: Open
OpenTurn the handwheel to the other end position.

Butterfly disc

Butterfly disc: Closed
ClosedThe disc stands across the bore.
Butterfly disc: Open
OpenThe disc turns into line with the flow.

The number that matters

Nominal pressure

16bar

The pressure class of the valve body at 20 °C. Working limits depend on the medium and its temperature.

A water butterfly valve is a type of valve used to control the flow of water or other fluids through a pipeline. It gets its name from the butterfly-shaped disc inside the valve that rotates to open or close the flow. When the valve is fully open, the disc is positioned parallel to the flow direction, allowing unobstructed passage of water. When the valve is closed, the disc is turned perpendicular to the flow, effectively blocking the flow of water. Water butterfly valves are commonly used in various industries and applications, including water treatment plants, sewage systems, irrigation systems, and industrial processes. They are known for their compact design, lightweight construction, and ease of installation. These valves are often preferred for their quick operation, as the disc can be opened or closed with a simple quarter-turn motion. Butterfly valves can be operated manually with a handle or lever, or they can be automated using electric, pneumatic, or hydraulic actuators to control the valve remotely. They are known for their low-pressure drop and relatively low cost compared to other types of valves. It's worth noting that water butterfly valves are specifically designed for use with water and compatible fluids. Different materials and designs may be required for valves intended for use with corrosive or high-pressure fluids. It's important to select the appropriate type of butterfly valve based on the specific application and fluid requirements.

Sketch of butterfly valve DNOVA WBV3232P-2W-Fb RDN Ru16

Затворы дисковые поворотные DN.ru WBV3232P-2W-Fb Ду40-300 Ру16, корпус - нержавеющая сталь 316L, диск - нержавеющая сталь 316L, уплотнение - PTFE, с редуктором RDN RQN

Dimensions of butterfly valve DNOVA WBV3232P-2W-Fb RDN Ru16

DN H1, mm H2, mm Dm, mm Dk, mm L, mm ØC, mm
DN40/50 62 126 73 90 43 125
DN50 62 126 73 90 43 125
DN65 72 133 85 103 46 145
DN80 91 142 100 116 46 160
DN100 107 165 131 151 52 180
DN125 121 183 155 174 56 210
DN150 134 195 184 205 56 240
DN200 171 236 234 255 60 295
DN250 197 276 288 315 68 355
DN300 240 315 340 375 78 410

Materials of parts of butterfly valve DNOVA WBV3232P-2W-Fb RDN Ru16

№ Name Material
1 Housing WCB steel or AISI 316L stainless steel
2 Cuff EPDM, PTFE, NBR
3 Disc AISI 316L stainless steel
4 Rod SS 416/2Cr13 stainless steel
5 Pin AISI 316L stainless steel
6 Bushing EPDM
7 Sealing ring EPDM
8 Fixing plate carbon steel

Эскиз Затворы дисковые поворотные DN.ru WBV3432E-2W-Fb Ду40-300 Ру16, корпус - сталь WCB, диск - сталь 316L, уплотнение - EPDM, с пневмоприводом двойного действия DN.ru DA-083 и пневмораспределителем 4M310-08 220V и блоком концевых выключателей APL-210N

Sketch of specification water Butterfly Valve DNOVA

Body material
Stainless steel AISI 316
Maximum allowable temperature
180 °C
Connection type
Compact flanged
Control type
Gear
Nominal pressure
16 bar
Type of seal
PTFE
Disc material
Stainless steel AISI 316L/1.4404
Explosion-proof
No
Thermal protection
No
Torque
600 Nm
Electropneumatic positioner
No
Pneumatic actuator
No
Manual override
Yes
Limit switches
No
Country of origin
China

Production. Usually 7–14 business days after you approve the quotation and pay. Made-to-specification items are confirmed in the quotation.

Freight. Not charged at checkout. A manager quotes air and sea freight to your port or airport, and nothing ships until you approve the price and the freight.

To North America. From approval and payment to the destination port or airport: air 14–24 days, sea 32–60 days. Estimates, not guarantees.

Terms. EXW Ningbo or FOB Ningbo Port; CIF on request. The agreed term is written on the Proforma Invoice.

Full shipping policy

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Variant Variant total Quantity Price Variant total
DN40D050-31971
DN40D050-31971
$28.31/ea
$0.00
$28.31/ea $0.00
DN50D050-31972
DN50D050-31972
$28.38/ea
$0.00
$28.38/ea $0.00
DN65D050-31973
DN65D050-31973
$30.29/ea
$0.00
$30.29/ea $0.00
DN80D050-31974
DN80D050-31974
$34.73/ea
$0.00
$34.73/ea $0.00
DN100D050-31975
DN100D050-31975
$54.36/ea
$0.00
$54.36/ea $0.00
DN125D050-10228
DN125D050-10228
$70.68/ea
$0.00
Sold out
$70.68/ea $0.00
DN150D050-07962
DN150D050-07962
$87.59/ea
$0.00
Sold out
$87.59/ea $0.00
DN200D050-31978
DN200D050-31978
$122.88/ea
$0.00
$122.88/ea $0.00
DN250D050-31979
DN250D050-31979
$158.61/ea
$0.00
$158.61/ea $0.00
DN300D050-07779
DN300D050-07779
$195.39/ea
$0.00
Sold out
$195.39/ea $0.00

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Taxes included. Discounts calculated at checkout. Freight is quoted by our manager after you order.
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