Low Pressure Drop Strainless Steel Iron Backflow Preventer Valve

• Media: Water
• Temperature: Low Temperature
• Material: Stainless Steel
• Connection Form: Flange
• Standard: GB
• Application: Water Industrial Usage
• Transport Package: Carton and Pallets
• HS Code: 8481804090

Product Description

General Function

Backflow preventer was combined by two check valves and an automatic drain valve,used

for prohibit water come back from terminal pipeline network to main pipeline, or separate the

drinking water from AC water, fire fighting water or irrigation water. Backflow preventer also named

as antifouling valve.

Features and Benefits

Axial flow,Streamline inner design, Low pressure drop.

Quick close design, ovoid water hammer damage the pipeline.

Drain valve installed outside, easy to maintenance.

Drain valve be designed with anti-interference function, avoid un-normal drain error.

Product Standard

Manufaturer Standard: GB/T25178

Flange Standard: GB/T17241.6

Performance Standard: GB/T25178

Technical data

Nominal Diamater: DN50~DN250 (2"~10")

Nominal Pressure: PN10/16

Working Temperature: 0°C~85°C

Application: Water
 

Material
Parts	Material
Body	GGG40
Core	GGG40
Seat	SS420 coverd by NBR
Disc	SS420
Spring	SS304

 

Dimension PN16 mm
Code	Size	DN	L	D1	D2	D3	n-Ød	H
CVBP-0050C	2"	50	242	99	125	165	4-19	250
CVBP-0065C	2%"	65	282	118	145	185	4-19	280
CVBP-0080C	3"	80	342	132	160	200	8-19	295
CVBP-0100C	4"	100	362	156	180	220	8-19	320
CVBP-0125C	5"	125	402	184	210	250	8-19	350
CVBP-0150C	6"	150	502	211	240	285	8-23	375
CVBP-0200C	8"	200	602	266	295	340	12-23	430
CVBP-0250C	10"	250	702	319	355	405	12-28	490

Packing and shipping
Inner package: plastic bags                                   Product package: carton and pallets
Delivery package: plywood cases available                      Delivery package: steel cases for premium option

About us
1. More than 20 years experience for valves, fittings, etc..
1. Professional R&D teams in Germany & China for HAVC and waterworks system.
2. Strict products inspection, SOP processing.
3. 6S management, higher quality material with higher price.
4. Quick feedback service, feedback within 24 hours.
5. All sales have more than 10 years experience on service.

Factory capacity

Welcome visit us

FAQ:
Question 1: Can you make OEM or ODM product?

DVK: Yes, if QTY attractive enough, we can create new mould for you, make bodies casting with your logo and your nameplate; if QTY not attractive enough, will be only with your nameplates or labels.

Question 2: How long is your delivery time?

DVK: General speaking, we have some stock for regular products, it is 1~2 weeks if the goods are in stock; if not in stock will be 4~8 weeks, depends on quantity.

Question 3: Do you provide free samples?  
DVK: If samples available in stock, yes, we could offer the free sample to you, but the air cost or courier cost will be on your account.

Question 4: What are your payment terms?

DVK: Order value less than 2000USD, 100% in advance. Order value more than 2000USD, 30% T/T in advance,balance before shipment. L/C available as well.