12″ Butterfly Valve
Categories: Butterfly Valve, Butterfly Valve By Inch
Description
Butterflly valve 12 inch means the valve size is 12 inch, and in DN it is DN300.
What is a 12″ Butterfly Valve?
Butterfly valves are a family of quarter-turn rotational motion valves that are used in pipelines to shut-off flow. It is often said that butterfly valves can be used to regulate the flow.
Most of ZECO 12 inch butterflyvalves operated by hand-wheel, wrench and handles, pay attention to the operation speed, neither too fast nor too slow, and exert force at proper position. End position is vital important to valve performance. In Close position, ball shall be at right position to seat. The closure parts of the valve seat so close to the campaign and leave the valve seat, the valve sealing performance depends in part on the relative pieces of stem-driven closure of the valve seat to remain sealed and the resulting mechanical force. If the role of a particular incident in the direction of the closure of the closure of the pressure to close the case up from the seat, and that this power is essential. Most of the internal closure of the sliding piece in the valve seat does not rely on force stem seals, but this type of valve position to close the right thing or not is very important. In some cases, when the closure parts close to the final closed position, the driving force needed to close the case may be greatly increased, to reach the required position has been shut down parts of an auxiliary compression. Close cases are not accessible or not stopped in the customs location will have a seal leak and damage. Butterfly Valves requires right position to guarantee sealing. When the indicator shows Close position, movement shall be stopped.
How does a 12″ Butterfly Valve work?
A butterfly valve consists of metal disc that rotates about the stem and initiates a tight shut-off on the circumference of its resilient seat. The stem may be mounted in the middle or attached offset. There is also a packing component which provides an extra seal for protection in the event that the rubber seat is damaged by fire.
Dimensions & Weight of 12 Inch Butterfly Valve
|
Pressure Rating |
Face to Face Dimension(in mm) |
Weight |
|||
|
RF Long Pattern |
RF Short Pattern |
WAFER |
LUG |
kg |
|
|
CLASS 150 |
356 |
178 |
81 |
81 |
160 |
|
CLASS 300 |
502 |
270 |
92 |
92 |
230 |
|
CLASS 600 |
838 |
270 |
140 |
140 |
310 |
Features of 12 Inch Butterfly Valve:
ZECO 12 inch butterfly valve has no dead zone design;
ZECO 12 inch butterfly valve has live loaded packing system design;
ZECO 12 inch butterfly valve has fire protection structure design;
ZECO 12 inch butterfly valve has double safety sealing design.
Material of 12″ Butterfly Valve:
|
No |
Part |
Material |
|
1 |
Body |
ASTM A216 WCB + 13Cr |
|
2 |
Seal Ring |
Graphite + SS304 |
|
3 |
Retainer Flange |
ASTM A105 |
|
4 |
Pin |
ASTM A276 410 |
|
5 |
Disc |
ASTM A216 WCB |
|
6 |
Stem |
ASTM A276 410 |
|
7 |
Stem Packing |
Graphite |
|
8 |
Stem Beating |
SS304 + PTFE |
|
9 |
Bolt |
ASTM A193 B7 |
|
10 |
Nut |
ASTM A194 2H |
|
11 |
Yoke |
ASTM A216 WCB |
If you want to know more about 12 butterfly valve price, please contact us.
As one of gate valve manufacturers china, we can offer different types of international standard valvefor sale, if you have needs, please contact us.
Отправить запрос, связаться с поставщиком
Другие товары поставщика
| New Type Wafer Concentric Butterfly Valve | Basic information New Type Wafer Concentric Butterfly Valve ofwafer butterfly valve manufacturers can be used as adjusting and intercepting equipme... | |
| Single Orifice Air Release Valve | Features of single orifice air release valve Can be a large amount of exhaust, improve water efficiency pump Can be a small amount of exhaust, ... | |
| Backflow Preventers | Basic Informationof the no slam check valveThis non slam valveprevents backflow of media and reduces water hammer to achieve the safe and quiet eff... | |
| Resilient Gate Valve for Underground | Basic informationThis underground gate valveis used as a two-way closed circuit device.Features1. No need for sluice Wells, which reduces the amoun... | |
| Motorized Butterfly Valve | As one of the leadingchina ball valve suppliers, ZECO Valve Group developed our own laboratory for research &development for international stan... |
Похожие товары
| Fischer Tropsch wax used for the processing of leather care products | Продавец: Syntop chemical Co.,Ltd. | Fischer Tropsch wax plays a significant role in the formulation of leather care products, primari... | |
| Alloy Steel Precision Cast Construction Machinery Parts | Продавец: NingBo YinZhou ChengEn Machinery CO.,Ltd. | Application ScenariosEarthmoving Machinery: Bucket teeth, boom connectors Mining Equipment: Crus... | |
| Fischer Tropsch Wax with high melting point for adhesive | Продавец: Syntop chemical Co.,Ltd. | Fischer Tropsch wax is an ideal additive in adhesive processing, particularly in the field of EVA... | |
| Professional Screen Opening Tool – iFixes iT23 | Продавец: ШЭНЬЧЖЭНЬСКАЯ ТЕХНОЛОГИЯ PHONEFIX, LTD (КИТАЙСКИЙ PHONEFIX) | iFixes iT23 LCD屏幕开启器。安全便捷地维修iPhone X-17系列手机及平板电脑的屏幕。 | |
| High medium low melting point Fischer Tropsch wax for candle | Продавец: Syntop chemical Co.,Ltd. | Main Applications of Fischer-Tropsch Wax in Candle Manufacturing Enhancing Gloss and Aesth... |















