2'' Double Eccentric Wafer Butterfly Valve PN 16 ANSI #150 Double Flanged Butterfly Valves
Brand Name:TOBO
Certification:DIN2501 （DIN2534＿ISO2084
Model Number:SS304
Minimum Order Quantity:10pcs
Delivery Time:7-10DAYS
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PN 16, ANSI #150 Double Flanged Centric Type Butterfly Valves
Article: 401
Flanges: UNI EN 1092-2 PN 10 - 16, ANSI #150
Design: BS5155
Face to face length: EN 558-1 serie 13, DIN 3202 F16
Test to EN 12266
Installation: horizontal / vertical
APPLICATIONS • Water supply • Waste water treatment plants • Fire
fighting systems • Power plants • Industry • Drinking water •
Irrigation • Heating – conditioning systems • * other versions
available for different applications (please contact us)
- Fig. 402: disc in AISI 304
- Fig. 403: disc in AISI 316
- Fig. 404: disc in Aluminium bronze
Epoxy paiting suitable for drinking water applications.
Short body flanged butterfly valves are the new “state of the art” butterfly valves available on the market, with a very compact design and various materials of constructions, they can be applied in several plants. Compatible with BS, DIN and ANSI flanges, the short body flanged butterfly valves have the rubber liner vulcanized on the body of the valve, allowing strong and reliable tightness, as well as the O ring cast on the body, that prevents any need of gaskets. Short body flanged butterfly valves are manufactured as centric type disc, they can stand both directions of fluid and are maintenance-free. The body, not in contact with the fluid, can be lined with EPDM, BUNA, PTFE, Neoprene or Viton: in this way we can apply these butterfly valves to any plant and for every medium, simply mounting the suitable disc in ductile iron, stainless steel 304 or 316, Al-Bronze C95400. Such valves can be installed in any position. Short body flanged butterfly valves come reducing gear and handwheel (standard execution), pneumatic operator with single or double effect, electric actuator on request.
A Butterfly valve is a quarter-turn rotary motion valve, that is used to stop, regulate, and start the flow. Butterfly valves are a quick open type. A 90° rotation of the handle can completely close or open the valve. Normally, they are used in systems where a positive shut-off is not required. In this article, you will learn about following types of Valve.
- Wafer Type
- Lug Style Type
- Flanged Type
- Butt Welded Ends Types
- Zero offset
- Double Offset
- Triple Offset
Large Butterfly valves are usually equipped with gearbox type actuator, where the handwheel is connected to the stem via a gearbox. This will reduce the force but at the same time reduce the speed of the operation. This type of valve should be installed in the open position. If the valve is closed during installation, the rubber seat will wedge against the valve disc and make it difficult to open.
Materials
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Types of Butterfly Valves Based on Body Construction
Based on the type of ends of the body butterfly valves are available in following types.
Both Flanged Ends
Wafer Type Ends
Lug Type Ends
Butt Welded Types Ends
Water Type
The wafer body is placed between pipe flanges, and the flange bolts surround the valve body. A wafer type butterfly valve is easy to installed but it cannot be used as an isolation valve.
2'' Double Eccentric Wafer Butterfly Valve PN 16 ANSI #150 Double Flanged Butterfly Valves
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