Products

DESCRIPTION

Basic Info

Model NO.	Wafer check valve
Function	Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
Sealing Form	Soft Seat
Flow Direction	Reversing
Standard	DIN
Application	Industrial Usage, Water Industrial Usage, Household Usage
Pack	Pallet
Transport Package	Wooden Pallets
Specification	DN50-DN600
Trademark	OEM
Origin	Qingdao
HS Code	8481809000
Production Capacity	5000

Product Description

Production Description:

Size	NPS 2-24, DN50-600, JIS 50-600A
Rating	Class 150, PN6 PN10 PN16, JIS 5K 10K 16K
Category	Concentric-pivoted, Eccentric-Pivoted, Double-eccentric
Material	FC, FCD, WCB, CF8, CF8M
Seat	FC, FCD, WCB, CF8, CF8M
Driving Gear	Lever-type, Gear-type
Related Standard	API609, EN 593, JIS F7480 API598, EN12266, JIS F7400

Main Dimmensions:

NPS	D	L	H	W
1/2"	10	60	95	40
3/4"	10	60	95	40
1"	14	70	102	50
11/4"	20	80	124	60
11/2"	24	85	144	60
2"	32	100	144	70
21/2"	38	125	168	90
3"	50	150	192	90
4"	65	195	220	130

 

Qingdao Haiying valves could manufacture/supply Resilient seated and Multi Hard-seal buttefly valve and ball valves used for Lubricating oil,fresh oil,fresh water,sea water ,compressed air pipe line and etc. There are CNC lathes ,CNC milling machines,CNC boring machines machining ,valve automatic testing bench ,spray painting line and other advanced equipment in our outsourced factory.so it could ensure delivery on time and high quality.we sincerely welcome all friends to visit our company for seeking cooperation in creating a win-win future
FAQ

1. Could you produce customized product?

Yes,we could do various customized valves conform to require drawing or sample.

2. How to ensure the valve quality??

a.Firstly,we inspect the casting when get it one by one and will abandon it if defect castings.such as blowholes&pinholes is defects castings.

b.We will inspect and check about valve dimension after machining.Allowable error to standard is 1.5mm for longth(above DN50 valves)

c.All items must be inspected by hydraulic test after assemble.and more important ensure that valves are inspected by operator in according with hydraulic test criteria including pressure&time.

d.Coat oil for anti-rust inside of the valve body and paint checking.

3. How is your valve warranty period?

Usually,the warranty period for valves is 14 monthes,however,we will solve or replace new valves once find fault items to our old stock customers no matter how long.