A bicycle bell is a percussive signaling instrument mounted on a bicycle for warning pedestrians and other cyclists. The bell is a required piece of EQUIPMENT in some jurisdictions. They are usually mounted on the handlebars and thumb activated. The bicycle bell was invented by John Richard Dedicoat,[citation needed] and patents for bicycle bells appear as early as 1877.[5] The most common bells are actuated by a thumb-operated lever that is geared to rapidly rotate two loosely slung metal discs inside the bell housing. Said discs repeatedly rattle and strike the bell to produce a sound not unlike that of an electric bell. Simpler types also exist, with a spring-mounted external clapper that produces a "ding-ding" sound when the clapper is pulled with a finger and released. Bike Bell, Bicycle Air Horn, Road Bike Bell, Mountain Bike Bell HangZhou OEM Bicycle Industrial Co., Ltd , http://www.oembicycle.com
In practical use, the long time opening and closing easily causes the wear of the valve components, especially the valve of the sealing parts. Secondly, the coupling between the valve and the valve head is easy to loose or even fall off under the slurry scour for a long time, which affects the sealing effect, thus leading to the use of the door.
An anti-washing and anticorrosion protection plate is set in the cavity of valve body. At the moment of valve opens, the plate can protect valve from washing our or erosion, and is characterized as high abrasion-resisting and erosion-proof .
The advantages
1, ceramic ring as a head and body contact seal components, can effectively resist wear, increase valve life and ensure valve sealing effect.
2, the valve head and  valve stem are connected by continuous ring and cap, which can guarantee the stability of the two and prevent the seal from loosening and falling out of the connection between the head and the stem.
Product Range
-Valve size:Â
DN50-DN350
-Temperature:Â
≤-28~400ºC
-Body Materials:Â
Carbon Steel, Stainless Steel, Alloy Steel, Industrial ceramics
-Trim (Disc/Stem):Â
2Cr13,Carbon Steel, Stainless Steel,Flexible graphite
More details
Nominal pressure PN
1.6Mpa
2.0Mpa
Shell test pressure(Mpa)
2.4
3.0
Sealing test (Mpa)
1.76
2.2
Working temperatureºC
-28ºC~400ºC
Suitable medium
Alumina particles, protective colloid ,Oils
Test medium
            water
Production workshop
   The company has no box modeling automated production lines, Product appearance, size precisio highdensity, good sealing performance, the produc won the majority of user spraise.
Finished product workshop
Sales service
  Cumently, Our products have already exported to America, France, Australla, Italy and 20 other countries and regions. Our company insists on the concept of " Top Quality and Credit First" Which are carried out throughout the R&D, production, marketing, service and the like. 
The use of our company valves in large factories
    Our products are superior in quality and moderate in price and are sure to be saleable in Major factories at home and abroad ,and our company has set up a number of tough emergency service team, on-site experienced engineers and senior echnicians, arrived on the scene in the fastest time for any problems,maintenance and replacement. besides, We are in a position to accept orders against customers samples specifying design, specifications and packaging requirements. 
Contact Us
FAQ:
1. What is your main products?
Our main products are Ball valve, Butterfly valve, Gate valve, Globe valve,Wear-resistant elbow,Ceramic pipe , other valve, and made by casting or forged material.
2. Is samples available?
Yes, sample order is available for quality check and market test. But it is not free.
3. Do you have any products in stock?
Depends on your request, we have standard models in stock. Some special products and big order will be newly casting according to your order.
4. How do you guarantee the quality of products?
Quality is priority, we always attach the importance to quality control from the beginning to the end of the production.Every product will be fully assembled and carefully tested before painting, packing and shipping.
5.Competitive Price:
 We are the manufacturing company which not only has our own manufacturing workshop, but the casting company as well. We provide the straight factory price and service to our customer.
6.Regional Sale:
We provide specialized sales service refers to different kind of region all over the world. Each sales team member is good at the local language and well experienced to the responsible market.
Thanks so much for you taking time to browse our products. Any further questions, please feel free to contact us and we are ready to so service for you   Â
Â
  The series valves are improved for Y type valves, mainly installed on the wall.
In practical use, the long time opening and closing easily causes the wear of the valve components, especially the valve of the sealing parts. Secondly, the coupling between the valve and the valve head is easy to loose or even fall off under the slurry scour for a long time, which affects the sealing effect, thus leading to the use of the door.
An anti-washing and anticorrosion protection plate is set in the cavity of valve body. At the moment of valve opens, the plate can protect valve from washing our or erosion, and is characterized as high abrasion-resisting and erosion-proof .
The advantages
1, ceramic ring as a head and body contact seal components, can effectively resist wear, increase valve life and ensure valve sealing effect.
2, the valve head and  valve stem are connected by continuous ring and cap, which can guarantee the stability of the two and prevent the seal from loosening and falling out of the connection between the head and the stem.
Product Range
-Valve size:Â
DN50-DN350
-Temperature:Â
≤-28~400ºC
-Body Materials:Â
Carbon Steel, Stainless Steel, Alloy Steel, Industrial ceramics
-Trim (Disc/Stem):Â
2Cr13,Carbon Steel, Stainless Steel,Flexible graphite
More details
Nominal pressure PN
1.6Mpa
2.0Mpa
Shell test pressure(Mpa)
2.4
3.0
Sealing test (Mpa)
1.76
2.2
Working temperatureºC
-28ºC~400ºC
Suitable medium
Alumina particles, protective colloid ,Oils
Test medium
            water
Production workshop
   The company has no box modeling automated production lines, Product appearance, size precisio highdensity, good sealing performance, the produc won the majority of user spraise.
Finished product workshop
Sales service
  Cumently, Our products have already exported to America, France, Australla, Italy and 20 other countries and regions. Our company insists on the concept of " Top Quality and Credit First" Which are carried out throughout the R&D, production, marketing, service and the like.Â
The use of our company valves in large factories
    Our products are superior in quality and moderate in price and are sure to be saleable in Major factories at home and abroad ,and our company has set up a number of tough emergency service team, on-site experienced engineers and senior echnicians, arrived on the scene in the fastest time for any problems,maintenance and replacement. besides, We are in a position to accept orders against customers samples specifying design, specifications and packaging requirements.Â
Contact Us
FAQ:
1. What is your main products?
Our main products are Ball valve, Butterfly valve, Gate valve, Globe valve,Wear-resistant elbow,Ceramic pipe , other valve, and made by casting or forged material.
2. Is samples available?
Yes, sample order is available for quality check and market test. But it is not free.
3. Do you have any products in stock?
Depends on your request, we have standard models in stock. Some special products and big order will be newly casting according to your order.
4. How do you guarantee the quality of products?
Quality is priority, we always attach the importance to quality control from the beginning to the end of the production.Every product will be fully assembled and carefully tested before painting, packing and shipping.
5.Competitive Price:
 We are the manufacturing company which not only has our own manufacturing workshop, but the casting company as well. We provide the straight factory price and service to our customer.
6.Regional Sale:
We provide specialized sales service refers to different kind of region all over the world. Each sales team member is good at the local language and well experienced to the responsible market.
Thanks so much for you taking time to browse our products. Any further questions, please feel free to contact us and we are ready to so service for you   Â
Â
Model NO.: FL45G
Actuator: Manual
Seal Surface: Wedge Gate Valve
Thread Position of Valve Rod: Inside Gate Valve
Usage: Regulation, Safety, Emptying, Drain, Temperature Control, Flow Control
Standard: GB
Application: Industrial Usage, Water Industrial Usage
Sealing Material: Engineering Ceramic
Valve Core Seal: Rubber
Bodya Material: Wcb
Transport Package: Standard Exporting Plywood Case
Specification: DN50~DN350
Origin: Zhengzhou City, China
Model NO.: FL45G
Actuator: Manual
Seal Surface: Wedge Gate Valve
Thread Position of Valve Rod: Inside Gate Valve
Usage: Regulation, Safety, Emptying, Drain, Temperature Control, Flow Control
Standard: GB
Application: Industrial Usage, Water Industrial Usage
Sealing Material: Engineering Ceramic
Valve Core Seal: Rubber
Bodya Material: Wcb
Transport Package: Standard Exporting Plywood Case
Specification: DN50~DN350
Origin: Zhengzhou City, China
  The series valves are improved for Y type valves, mainly installed on the wall.