A check valve, clack valve, non-return valve or one-way valve is a valve that normally allows fluid Check valves are two-port valves, meaning they have two openings in the body, one for fluid to enter An important concept in check valves is the cracking pressure which is the minimum upstream pressure at Heart valves are essentially inlet and outlet check valves for the heart ventricles, since the ventricles act as pumps. Technical - equipped with advance imported Japanese machine center, special CNC. Our huge tons forge Reliability - innovative, value-add designs are focused on the end user and installer to provide ease of Serviceability - with two major cooperative partners in Europe and Japan who can offer help to solve most
Henan Qianli Machinery CO. Ltd is a profession manufacture of tractor, rice machine, Reaper Machine, Power Tiller, garden machine and other farm implements. Our factory was established in 1987 and has more than 30 years of production and sales experience. We focus on providing customers with high-quality products and excellent services.
Engines include gasoline engines and diesel engines, which provide power for walking tractors, power tillers and other machinery.
Gasoline Powered Engine,4 Stroke Gasoline Engine,Four Stroke Gasoline Engine,Single Cylinder Petrol Engine Henan Qianli Machinery Co.,Ltd. , https://www.hnchalion.com
SPECIFICATIONS FOR Manufacture Supplier Brass Water Check Valves:
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Item
Brass check valve
Model Number
CV-010-01
Material
Brass/Copper/CW617N/CW614N/CW612N/C36000
Size
1/4''-4''
Core
brass and rubber
Working pressure
PN1.0-32.0
Guarantee time
3 years
MOQ
300 pieces
Packing
Standars export package or Customized
Payment
TT,L/C,D/P,Western Union
Trademark
INTELSHENG
Sample time
8-10days,depends on product style and workmanship
Insurance
Cathay Insurance
Customized
All customized services are welcome
Payment Terms
30%Â prepaid; 70%Â balance payment after finish the production before delivery
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QC system
100% inspection before shipment
Check Valve Descriptions(CV-010-01):
Body Material: Brass
Body: Hot forging and casting
Core:Â Brass and rubber
Surface: Plated nickel or plated chrome or nature color.
 Sealing: EPDM, PTFE or Teflon
Size:1/2''-4''(DN15-DN100)
Medium: water, oil, air,gas
Temperature: -20ºC-150ºC
Thread: Female*Female,Male*Female,Male,Female
Working pressure: Up to PN 32.0
Check valves:Â 600 WOG full port, reduced port.
Thread: PT. PF. NPT. G. BSP. NPS . BSPT
Available from Male to MaleÂ
Mainly use in Agricultural field and Air pumpÂ
Check Valve Structure:Â 
About Check valve:
Â
 (liquid or gas) to flow through it in only one direction.
and the other for fluid to leave. There are various types of check valves used in a wide variety of
applications. Check valves are often part of common household items. Although they are available in a
wide range of sizes and costs, check valves generally are very small, simple, or inexpensive. Check valves
work automatically and most are not controlled by a person or any external control; accordingly, most do
not have any valve handle or stem. The bodies (external shells) of most check valves are made of plastic
or metal.
which the valve will operate. Typically the check valve is designed for and can therefore be specified for a
specific cracking pressure.
1/2''-2'' Brass Ball Valve Specifications:
Ball valve
Thread Size
(M&F)Weight
(g)Body Material
Ball Material
Handle Material
DN15
1/2''
178
BRASS
COPPER
CW617NBRASSÂ CHROM PLATED
SS304
DN20
3/4''
250
DN25
1''
393
DN32
1¼''
581
DN40
1½''
807
DN50
2''
1181
Hot Sale products                           
About us                                  
Perfect Pre-sale and After-sale Service         
Our company:
A Professional International Trading Company
Shanghai Intelsheng is an international trader mainly dealing with the most of brass
components including fittings, valves, manifolds and faucets.We currently export
variety of products to Europe ,US and east Asia.
Moreover, our manufacturer, TopFlow, founded in 2005, is equipped with advanced machines,operated
by technical employees and managed by experienced staff. We have a 20 years' experienced
French R&D team to provide the best design for our products. Besides, ODM and OEM services are
offered for over 10 years.
We provide the best quality and high-cost performance products. As a part of group of TopFlow,
we are committed to establish a set of mature and perfect international trading service to customers.
Offering Great Pre-and After-sale Service
Our company places the customer first to build value and trust through superior knowledge of the global
markets we serve. We attach great importance to pre- and after-sale service. Our products and services
will continue to provide innovative water solutions delivered by exceptional people.
Our factory:
TopFlow, as the headquarters of Intelsheng is a company of integrating trading and manufacturing,
also is specialized in studying and developing all kinds of brass and stainless steel products, especially
with fittings, valves and plunger pump components to answer worldwide water solutions needs.
Continuous improvement is a must, done by studying and developing business processes, seeking out
innovative solutions, and by listening to market demands, therefore, company has been separated from
Zhejiang WDK copper in 2006, now TopFlow mainly service OEM fittings and valves, as well as
plunger pump field.Within OEM products, company holding strong work relationship with a French
R&D company, who is specializedin the conception and improvement of components for valves and fittings.
Engineers are especially familiar with the designing of brass OEM products.
Our products advantages:
 Imported Advanced Machineries manufacture high- performance products.
20 years' experienced French R&D team provide the best designing
Offering the reasonable price, delivering on time , providing a 24-hour after-sales calling service
Diversified brass products, helps customer to carry out one-stop procurement .
Our customer service:
machines solve most of irregular products.
installation and low life-cycle costs.
of cases.
Special professional customized service process:Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Send samples or drawings to us We provide free design/quotation
Accept our quotation
Not accept our quotation
Provide predict-order for us, confirm quantity
Send samples back to you and we pay for samples freight
Make mold for you and send samples to you for free You test samples
The samples are approved
The samples are not approved
Sign a contract and you pay the deposit
â†Â We can improve the samples for free till   samples approved
Manufacture and Shipping
FAQ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
Q: Are you trading company or manufacturer ?
A: We are a trading and manufacturer company.
Q: Do you have standard products?
A: Yes, we have standard products. We also manufacture customized products by drawings or
samples.Customers give us drawings and specifications, and we will manufacture accordingly.
Q: What is your payment term?Â
A: We can accept Paypal or Western Union for trail order, and T/T 30% down payment, balance
to be paid before shipment. or L/C for normal order
Q: Can I get samples from your factory?
A: Yes, Samples can be provided.
Q: Â What is your advantages?
A: As a professional brass valve and brass fitting manufacturer,we have most advantages:
    1. Made from high quality Brass.Â
  2. Direct factory price.Â
  3. ODM/OEM and customized services are welcome.Â
  4. Punctuality delivery time.Â
  5. Sample can be offered.Â
  6. Accept small quantity order.Â
  7. Easy to install.Â
 .............More
Contact us                                
We do our best, offer customers best working.Â
Perfect 24 hours after-sale service could be solve all problem.Â
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Model NO.: CV-010-01
Flow Direction: Reversing
Standard: GB
Application: Industrial Usage, Water Industrial Usage, Household Usage
1/2′′-2′′: Thread Size
Export Markets: Global
Thread: Male*Female/Male*Male/Female*Female
Thread Type: Thread Type: G(Bsp, BSPT), NPT Thread
Working Pressure: Pn1.0-32.0MPa
Sample: Accepted
OEM/ODM: Accepted
Insurance: Cathay Insurance
Media: Water, Air, Gas
Port: Full Port
Trademark: INTELSHENG
Transport Package: Export Standing Packing
Specification: brass material
Origin: Yuhuan, China
HS Code: 84818040
Specification                               Iron
SS301