Bronze/Cast Iron/Carbon Steel Body Pn16/25/40 Class 125/150 Handwheel Operated Flange End BS4504 DIN Ansib16.34 Plumbing Balancing Valve

Product Description

Bronze/Cast Iron/Carbon Steel Body Pn16/25/40 Class 125/150 Handwheel Operated Flange End BS4504 DIN ANSIB16.34 Plumbing Balancing Valve
Product Description
Balance valves are utilized in central heating and cooling systems that rely on flow of water through the system.
They use the latest flow technology to ensure that the design flow rate is achieved at all times irrespective of any pressure changes within the system.
A cooling or heating water distribution system is in balance when the flow in the whole system (through the component terminal lines, distributing lines and main distributing lines) corresponds to the flow rates that were specified for the design of the system.
If the correct balancing of the system is not established, this will result in unequal distribution of the flow, so that there will be a surplus effect in some of the terminals, whereas the effect will be inadequate in others.
As a consequence, the required heating or cooling will not be ensured in all parts of the installation.
Practically, it is not possible to achieve a completely balanced system by manipulation of the piping or alteration of the pipe dimensions only.
Only a correct set of balancing valves can ensure the correct distribution of the flow in the system.
Specification

NO.	Name	Material
		Chinese Spec.	ASTM Spec.
1	Body	HT250 QT450-10	ASTM 126-ClassB A536 65-45-12
2	Disc	DI + EPDM	A536 65-45-12 + EPDM
3	Cover	HT250 QT450-10	ASTM 126-ClassB A536 65-45-12
4	Stem	1Cr13	ASTM A270 410

Nominal Diameter: DN350-DN500/14''-20''
Nominal Pressure: Class125/PN16
Design Standard:BS7350
Flanged End Standard: ANSI B16.1/EN1092-2
Working Temperature: -20ºC- 120ºC

NPS	14	16	18	20
DN	350	400	450	500
L	772	858	938	1050
Kv	3172	3526	4110	4791
Cv	3702	4115	4796	5591
Weight (kg)	380	550	780	1020

Advantages
1,The balancing valve has good flow characteristics, can control and regulate the flow rate precisely.
By set the position of the disc and control the flow rate, it can solve the hydraulic balancing problem in the heating and air condition system effectively. (Flow rate regulating has memory function.)
2,The balancing valve has close off function as well. Close the disc can stop the flow of the medium.
3,Suitable medium is Water, Gas and Oil.
Packaging & Shipping
Company Profile
Shanghai Flow Valve &Fitting Co, Ltd. was founded in 1998, mainly in foreign trade export business, has invested in two professional manufacturing factories in Shanghai Jiading Waigang Industrial Zoneand Tianjin Wuqing Jingbin Industrial Park.
These two subordinate factories are responsible for the professional production of ANSl, DINBS, GB and other standards of ball valve, butterfly valve, gate valve, stop valve, balance valve, filter, plug valve, control valve and other series of products.
Nearly 80% of the company's products are exported to Europe,America, the Middle East, Southeast Asia and other parts of the world and we also conduct technical cooperation and OEM production with many European and American companies.
Shanghai Flow Valve & Fitting Co., Ltd. began to actively participate in major domestic engineering projects in 2003.
Certifications
Exhibition
FAQ
Q1: Can I have a sample order for valve?
A1:Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
Q2:Do you have any MOQ limit for valve order?
A2: Low MOQ, 1pc for sample checking is available.
Q3: How do you ship the goods and how long does it take to arrive?
A3: We usually ship by sea. It usually takes 30 days to arrive. Airline shipping also optional.
Q4:How to proceed an order for valve?
A4: Firstly let us know your requirements or application.
Secondly We quote according to your requirements or our suggestions.
Thirdly customer confirms the samples and places deposit for formal order.
Fourthly We arrange the production.
Q5:Do you offer guarantee for the products?
A5: Yes, we offer 1 year warranty to our products.
Q6: Why choose us?
A6: We are a manufacturer, we have been manufacturing for over 20 years.

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