| Customization: | Available |
|---|---|
| Media: | Water |
| Temperature: | Ordinary Temperature |
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1.Straight-through structure, decompression principle type backflow preventer
2.Independent quick-closing double check valve + permanent decompression isolation chamber + drain valve
+ measurable hole = five-fold insurance function
3.Can prevent siphon backflow and back pressure backflow
4.Can be used for continuous water flow
5.Can prevent the backflow of toxic and contaminated fluids
| Optional Material |
| Body: QT450 / Stainless Steel 304 |
| Cover: QT450 / Stainless Steel 304 |
| Check Valves: Stainless Steel 304 / QT450 |
| Relief Valve: Stainless Steel 304 / QT450 |
| Supplied Specification |
| Size: DN40-DN300 |
| DN40 & DN50 Threaded |
| DN50-DN300 Flanged |
| Pressure |
| PN10 & PN16 |
| Medium & Temp. |
| Clean Water Temp.<80ºC |
Cast Iron Valve
Product Details:
| Type: | Butterfly valves, Gate valves(rising stem/non-rising stem/flange end/metal seated/resilient seat) , Check valves, Global valves, Y strainer |
| Size: | DN40-1200 or 1.5-48' or above |
| Working Pressure: | PN10/16/20/25, 150LB-2500LB |
| Suitable temperature: | -45c~150c |
| Standard: | (1)Design and manufacture: DIN3352, BS5163, BS5150, ANSI B16.34, API600, API6D, API609, EN593, GB, T12238 (2)End connection: ANSI B 16.1, ASME B16.5, B16.47, B16.25, B16.34, JISB2212-JISB2214, DIN2543-2550, EN1092, AS2129, ISO 5211 (3)Wall thickness: API600, BS1868 (4)Face to face (end to end): EN 558, ASME B16.10, DIN3202, ISO5752, JIS, API609, MSS, BS5155 (5)Inspection and test: API598, EN12266-1, BS6755, API6D, ISO5208 |
| Materialfor main parts: | (1)Body: CI, DI, WCB, ALB, CF8, CF8M (2)Disc: DI, ALB, C95400, Rubber lined Disc, 1.2501, 1.4529, CF8M, CF8, Hastelloy (3)Stem: SS416, SS410, SS304, SS431 (4)Seat: NR, Hypalon, EPDM, Neoprene, NBR, Wear-Resistant EPDM, Silicon, Heat-Resistant EPDM, WhiteNBR, WhiteEPDM, EPDM, PTFE |
| Coating: | Fusion bonded epoxy coated |
| Connection type: | Flanged type, Push-on type, Mechanical Joint type, Plain ends type |
| Sealing: | Soft sealing or metal-to-metal seat, Flexible graphite |
| Operation: | Manual, Pheunatic, Electric, Hydraulic and Pnewmatic-Hydraul |
| Appropriate medium: | Air, water, sewage, steam, coal gas, oil |
| Packaging: | Export polywood cases, or as per customers' requirements |
| Application: | Fresh water, sewage, sea water, air, vapor, food, medicine, oils. Acids, alkalis, salt etc. |
FAQ:
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 20-30 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples? is it free or extra?
A: Yes, we could offer the sample for free charge.
Q: What is your terms of payment ?
A: Usual is T/T ,L/C ,if you need other payment , please inform us.
Q: Why choose us?
A:1) We have complete production lines,can meet customer's various requirements.
2) Each batch of products from raw materials to finished products will be tested in the laboratory to ensure the quality.
3) Reply you in 24 working hours. Experienced staffs would like to answer all your questions in time.
4) Customized design is available. ODM&OEM are available.
5) Special discount and protection of sales are provided to our consumers.
6) One-stop service and optimal solution for customers
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