Lugged Butterfly Valve Tapped To Suit AS Table E Resilient Seated Butterfly Valve
Brand Name:TOBO
Certification:DIN2501 （DIN2534＿ISO2084）
Model Number:Lugged Butterfly Valves
Minimum Order Quantity:10pcs
Delivery Time:7-10DAYS
Payment Terms:D/A, D/P, T/T, Western Union, MoneyGram
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Lugged Design, Tapped To Suit AS Table E Resilient Seated Butterfly Valve
General purpose, resilient seated Butterfly Valve, Lugged design, tapped to suit AS Table E,
ductile iron body, 316SS disc, 316SS stem, EPT or NBR seat, 10-position notch plate & lever. Rated 16 bar
Sizes- 1½” (DN40)→ 12″ (DN300)
* Options: Various seats including viton, neoprene, EPDM, silicon, hypalon. 304SS or 410SS stem,
Gear Operator, Nylon 11 coating, Lugged Ansi 150# or AS4087 Class 16
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
Dimensions
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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.
Seat Types
Butterfly valves can be metal-to-metal seated, soft seated, or with a fully lined body and disc.
The first image is of a soft seated fully lined body and disc valve. Second, is a soft seat with metal disk
and the third is metal to metal seat type valve.
Lugged Butterfly Valve Tapped To Suit AS Table E Resilient Seated Butterfly Valve
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