DSV high quality couplings expansion ball joint

Technical Parameters

Nominal diameter(mm) 32~1200 32~1200 Nominal pressure(Mpa) 1 1.6 Testing pressure Seal(Mpa) 1.1 1.76 Suitable temperature(°C) -20°C~120°C Suitable medium Drinking water,sewage,seawater,food,medicines,gas,oil and acid

Main Raw Material

Flange WCB Cold/Hot Galvanizing Joint EPDM/NBR

Reference Standard

Testing standard API 598 End flange standard DIN PN10 / PN16,ANSI 125# / 150#,BS4504 PN10 / PN16

Overall Dimension and Weight

Size ΦD1 ΦD2 N-Φd D d Extrnsion Compression Horizontal displacement (mm) Deflexion angle Weight(kg) DN32 140 100 4-18 95 16 6 9 9 15° 3.4 DN40 150 110 4-18 95 18 6 10 9 15° 4 DN50 165 125 4-19 105 18 7 10 10 15° 5.5 DN65 185 145 4-19 115 20 7 13 11 15° 6.7 DN80 200 160 8-19 135 20 8 15 12 15° 7.7 DN100 220 180 8-19 150 22 10 19 13 15° 9.4 DN125 250 210 8-19 165 24 12 19 13 15° 12.7 DN150 285 240 8-23 180 24 12 20 14 15° 15.8 DN200 340 295 12-23 210 24 16 25 22 15° 20 DN250 405 355 12-28 230 28 16 25 22 15° 29.22 DN300 460 410 12-28 245 28 16 25 22 15° 32.8 DN350 520 470 16-28 255 28 16 25 22 15° 41.3 DN400 580 525 16-31 255 30 16 25 22 15° 55.6 DN450 640 585 20-31 255 30 16 25 22 15° 61.8 DN500 715 650 20-34 255 32 16 25 22 15° 69.4 DN600 840 770 20-37 260 36 16 25 22 15° 96.8

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LaizhouDongsheng Valve Corporation located in Laizhou Yantai city Shandong Province, is a manufacturer of high quality valves primarily for export products are mainly OEM products since 2002.

We have 180 employees including 18 technicians, covering an area of 10200 square meters, also having advanced craftsmanship and technology. We mainly produce various check valves (for example,single disc swing check valve,double disc swing check valve,ball check valve,lift check valve, butterfly valves,diaphragm valves ,ball valves and so on). Our products are widely used in municipal water and wastewater ,oil,chemical, food and other fields.

Our entire valves are designed and manufactured according to ANSI (ASME), DIN, BS, JIS and other standard. Also, we ensure the best quality for customers, and our strict quality assurances systems are conducted throughout the entire production at the standard of ISO9001:2008 and CE.

We try to enlarge our oversea markets and we have received a good reputation from our customers in the USA, West Europe, the UK, Southeast Asia,Spain and Russian .Besides, we always make delivery on time and will provide you with best quality and reasonable prices.

All in all , our aim is to be your most reliable supplier.

Factory Show:

Our Team:

Exhibitions:

Q1: How long is the delivery time?A1: Generally it’s 5-10 days we have stock. Or it’s 15-90 days depend on different product and quantity.

Q2: What about the payment term?A2: T/T 30% deposit, balance payment after finished production before shipment. Or as discussed.

Q3: Can I have a sample order?A3: Yes, Laizhou Dongsheng Valve agree sample order, mixed different models is also acceptable.

Q4: What’s your MOQ?A4: Laizhou Dongsheng Valve can support 1 pc order. Welcome you to check our quality.

Q5: What’s your quality inspection? Do you test all your goods before delivery?A5: Yes, 100% test. It integrates R&D, casting, production, processing, painting, assembly, testing, sales and after-sales service, and strict quality requirements, according to GB, ASME, API, DIN standard, and Laizhou Dongsheng Valve have gained ISO9001;2008, CE, and TUV certification.

Q6: Could I customize special request valve or new design products?A6: Laizhou Dongsheng Valve have own R&D team and more than 70 researchers and engineers. Can give you the best support on quality management and techniques, meet your different needs.

Q7: How does your factory do regarding quality control?A7: Laizhou Dongsheng Valve Quality is priority. Valve always attach great importance to quality controlling from the very beginning to the very end. Laizhou Dongsheng Valve has gained ISO9001;2008, CE, TUV, authentication.