Water Hammer and Cavitation Prevention for Pumping Stations Suction Diffuser

• Certification: CCC, RoHS, ISO, CE, Dnv
• Temperature: Ordinary Temperature
• Pressure: Ordinary Pressure
• Model NO.: FV79
• Application: Pump
• Connection: Flange
• Material: Cast Iron
• Transportation: Shipping, Air Freight, Courier to Door
• Export Markets: Global
• Warranty Period: 1 Year
• Custom: Accept
• Usage: for Pump
• Transport Package: Wooden Cases or Carton
• Specification: DN50-DN400
• Trademark: Flow Valve
• Origin: Shanghai
• HS Code: 84219990
• Production Capacity: 2000PCS/Month

Product Description

Water Hammer and Cavitation Prevention for Pumping Stations Suction Diffuser

Product Description

The water pump diffuser or suction diffuser is installed in the pumping station of the HVAC system, integrating elbows, variable diameter, filtering, and rectifying all-in-one valve.

It can prevent water hammer, cavitation and impurities from damaging the impeller of the water pump when used with a multi-functional control check valve, and prolong the service life of the water pump.

 

Specification

NO	Name	Material
		Chinese Spec	ASTM Spec
1	Body	HT250 QT450- 10	ASTM 126-ClassB A536 65-45- 12
2	Cover	HT250 QT450- 10	ASTM 126-ClassB A536 65-45- 12
3	Screen	0Cr18Ni9	ASTM A276 304
4	O-ring	EPDM	EPDN

 

Nominal Diameter: DN50-DN800, 2'--32'

Nominal Pressure: Class125/PN16/PN25

Flanged End Standard: ANSI B16.1,EN1092-2,GB/T17241.6

Working Temperature: -20ºC- 120ºC

 

NPS	2x2	2½x2	2½x2½	3x2	3x2½	3x3	4x3	4x4	5x4	5x5	6x4	6x5	6x6	8x5	8x6
DN	50x50	65x50	65x65	80x50	80x65	80x80	100x80	100x100	125x100	125x125	150x100	150x125	150x150	200x125	200x150
L1	114.3	127	127	139.7	140.1	140.1	165	165	191.5	191.5	203	203	203	192	228.6
L2	114.3	127	127	114	140.1	140.1	165	165	191.5	191.5	165	203	203	228.6	203.2
H	125	138	138	125	143	143	172	166	223	223	172	250	250	312	250
NPT	¾NPT						1NPT
Kv	64.5	64.5	109	64.5	109	143	143	252	252	498	252	498	585	498	585
Cv	75.2	75.2	127.2	75.2	127.2	166.9	166.9	294.1	294.1	581.2	294.1	581.2	682.7	581.2	682.7
Weight (Kg)	11	15	17	19	21	23	33	36	48	50	42	52	54	60	83

 

NPS	8x8	10x8	10x10	12x8	12x10	12x12	14x10	14x12	14x14	16x12	16x14	16x16
DN	200x200	250x200	250x250	300x200	300x250	300x300	350x250	350x300	350x350	400x300	400x350	400x400
L1	228.6	279.4	279.4	280	304.8	304.8	318	318	318	334	334	334
L2	228.6	228.6	279.4	280	279.4	304.8	328	328	328	364	364	364
H	355	355	458	315	458	454	460	460	460	522	522	522
NPT	1¼NPT
Kv	910	910	1480	910	1480	2150	1480	2150	252	498	252	498
Cv	1062	1062	1727.2	1062	1727.2	2509.1	1727.2	2509.1	294.1	581.2	294.1	581.2
Weight (Kg)	110	124	141	148	202	215	226	243	48	50	42	52

 

Advantages

1, Commonly used at the pump suction side ,not only to filter the impurities, but also replace the elbow Strainer and straight pipe ahead of the pump suction side , can reduce the cost.

2, Because the suction side and discharge side could have different diameter, it can replace the different diameter elbow.

3, Large open area, large drain outlet, can drainage and flushing easily, so as to reduce the maintenance.

4,Discharge outlet has unique straight guide vane, can reduce the damage of the vortex flow to the pump and the system.

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.

lt has established five sales centers in Shanghai, Beijing, Guangzhou, Xi'an and Chongqing, and its business covers northeast China, North China, northwest China,Southwest China, Central China, South China and other regions.

The sales network and after-sales network basically cover most regions of mainland China.

 

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.