.

12 Inch Butterfly Valve

Description of 12 Inch Butterfly Valve:

Most of ZECO 12 butterfly valveoperated 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.And now the 12 inch butterfly valve priceis very reasonable.

Features of 12 Inch Butterfly Valve:

Material of 12 Inch 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

ZECO Valve Group is one of professional gate valve manufacturers China. We provide Electric Ball Valve, Pneumatic Ball Valve, trunnion mounted ball valve Chinaand so on. Want to know about difference between gate and ball valve? Please contact us.



在线联系供应商

至: ZhengFeng Valve Group
Your E-mail:
消息正文:


Send to other suppliers

Other supplier products

Gate Valve
Gate Valve ZECO is one of the professional gate valve manufacturers, specializing in the production of wedge gate valve and through conduit gate valve product...
Backflow Preventers
Backflow Preventers Basic informationThis sustainingvalveis opened to prevent the pipeline and equipment from being damaged due to overpressure when the pressure in th...
Control Valve
Control Valve ZhengFengbalanced trim control valves are widely used in water supply and drainage control systems in the global building market. As one of the ...
Big Size Resilient Gate Valve
Big Size Resilient Gate Valve ZECO is one of the leading check valve manufacturers china, China. ZECO check valveprovides non-slam closure, have a low head loss and close drip-t...
Flanged Concentric Butterfly Valve
Flanged Concentric Butterfly Valve Basic informationThis Flanged is used in various service and drain lines as truncation and regulating equipment.Features1. Bidirectional sealing, n...
供应产品

Same products

Wall Mounted Ventilator
Wall Mounted Ventilator 卖方: Shanghai Thenow Purification Technology Co.,Ltd Home ventilator is Uni-Flow wall mounted ventilator. It can only bring in fresh outside air, and...
Ventilation
Ventilation 卖方: Shanghai Thenow Purification Technology Co.,Ltd Our Ventilation series products include wall mounted heat recovery unit, heat recovery ventilato...
 Ventilating Dehumidifier
Ventilating Dehumidifier 卖方: Shanghai Thenow Purification Technology Co.,Ltd Thenowwhole house ventilating dehumidifier can not only allow you to precisely control the indo...
Uni-Flow Wall Mounted Ventilator-BG Series
Uni-Flow Wall Mounted Ventilator-BG Series 卖方: Shanghai Thenow Purification Technology Co.,Ltd ThenowUni-Flow wall mounted ventilator-BG Series is very smart and its installation is very eas...
Residential ERV/HRV
Residential ERV/HRV 卖方: Shanghai Thenow Purification Technology Co.,Ltd Residential HRV/ERVis whole house ventilation with heat recovery. You can also call it whole ho...