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Help Center2017 Hot Selling Custom High Quality Stainless Steel Ball Valve Water Valve Ball
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Five advantages of fully weld ball valve:
1.Integral seamless steel tube pressed full-auto welded without leaking outward.
2.PTFE+25% carbon fiber and disc spring feely compensating structure zero leakage.
3.Can be directly buried without need of a high groud well,saving the engineer cost.
4.Both valve and pipeline are madeof the same material,without the condition of uneven stress.
5.In multiple connection combination,for use with special working conditions.
Densen Group regular Test Process:
(1) Shell Hydrostatic Test
| ANSI B 16.34 Section 7.1 | |||||||
| Valve Size NPS | Test pressure | Test Time. Secs | |||||
| Below DN50 | 1:5 times at 100°F | 15 Secs | |||||
| DN65~DN200 | Rating of ANSI Class | 60 Secs | |||||
| Up DN250 | Max. Operating Pressure | 180 Secs | |||||
| Test pressure should be above 1.5 times than the valve's Max work pressure (100F) | |||||||
(2) Seal Hydrostatic Test
The pressure should be more 1.1 times than working pressure by seal hydrastatic test
| ANSI B 16.34 Section 7.2 | |||||||
| Valve Size NPS | Test pressure | Test Time. Sce | |||||
| below DN50 | 1:1 times the 100°F | 15 Sce | |||||
| DN65~DN200 | Rating of ANSI Class | 30 Sce | |||||
| above DN250 | Max. Operating Pressure | 60 Sce | |||||
| Test pressure should be more 1.5 times than the valve's Max work pressure (100F) | 180Sce | ||||||
(3) Seal Air Test
Seal air leakage test is based on 80PSIG(6kgf/cm2) inert-gas or the air reach the test pressure, then close the valve. After that check the valve whether it has leakage or not.
1. With the help of wide knowledge of local market and strong design capacity, we supply the best quality products with the most competitive price.
2. All our factories are ISO 9001 certified. Some of them were awarded by ISO/TS16949, PED, etc. We also could provide RT, UT, MPI, WPS&PQR, etc. as per request.
3. We will not only manufacture and source products for our customers, but also provide technical support, production all-time supervision and quality track service. Special request products available upon request.
4. Our products manufactured according to standard schedule strictly, with stable quality and timely delivery.
Payment term
T/T , L/C , D/P ect.
Packing detail
(1) Standard export packing: carton, crate, pallet ect.
(2) as each customer required.
Shenyang New Densen Casting and Forging Co., Ltd.
•Founded by 9 factories and 1 trading company, headquartered in Shenyang, the heavy industry center city in China, Shenyang Densen Group of Companies (hereinafter referred as Densen Group) is a professional group mainly specialized in manufacturing customized casting, forging, stamping, machining and fabrication mechanical parts. Densen Group’s products were wildly delivered to more than 100 countries and areas among the world, and were used well in the fields of oil & gas, agricultural, mining, vehicle, medical, resource, etc. Reference customers included Bridgestone, GE, Tesco, Fasco, Simens, etc. The turnover for Densen Group in 2015 was 60 million dollars. Currently, Densen Group is preparing to be listed on the stock exchange market.
Worked as the export window of Densen Group, Shenyang New Densen Casting and Forging Co., Ltd. welcome worldwide customers to contact us. New Densen will provide below services to our distinguished customers:
• supply one-stop sourcing, inspection and technical support to worldwide customers
• Help customers to get high cost performance products locally
• Worked with institutes, help factories to maintain stable quality
• Good understanding on overseas standards, strong and responsible QC system, help factories and customers to avoid release of non-conformance products
♦Quality ♦Responsibility ♦Innovation
Frequently Asked Question
1. Are you a manufacturer or a trader?
We are manufacturer AND trader, as we have own factories and also long term friendly cooperated sub-contractors.
That is why we could provide one-stop service to worldwide customers.
2. What can you do for customer ?
One Stop Service
1).Manufacturing and supply various machinery parts.
2). Technical analysis and design
3).Factory audit, on-site production supervision, in-time feedback, pre-shipment quality inspection
3. How could you commit the product quality
1) all our factories were ISO certified.
2) more than 50% of New Densen’s products were sold to worldwide top 500 companies which located in North American,
Western Europe, and Japan.
3) New Densen’s QC engineers will do on-site supervision and before EX-work quality inspection.
New Densen will issue inspection reports for customers’ approval before EX-work. New Densen will be
responsible for its reports and every parts no matter how long sold to customers.
4. What is your payment term?
1) Pattern and tooling: 50% prepaid as order deposit; balance 50% paid within 10 days after samples approved.
2)Sample : 50% prepaid as order deposit; balance 50% paid within 10 days after samples approved.
3)Product: 30% prepaid as order deposit;70% paid before EX-work.
If samples can’t be approved by customers and no need to redo new samples, deposit will be returned to customers.
Welcome customer place order with us through credit system (Trade Assurance), to get alibaba’s credit guarantee.
5. How long shall we get the quotation?
1-3 working days for simple products; 3-5 working days for complicated products
Send Inquiry to This Supplier
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