HQBP
Water
Ordinary Temperature
Cast Iron
Flange
Elevated
Ordinary Pressure
Gland Packings Globe Valve
Unidirection
ANSI
Industrial Usage, Water Industrial Usage
ASME B16.5 125lb
API 594
API 598
Water, Oil Gas
Depend on Differenct Size
Pn10&Pn16
Red or Blue
Cast Steel
HQ
Ply Wooden Cases
ISO
Shandong, China
8481300000
Product Description
Backflow Preventer
Application: Fire alarming system, industrial valve, fire protection system, potable water system, sewage system
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 valves
Type: Butterfly valves, Gate valves, 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, Viton, 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
Delivery Time: 25 days after order conformed
Payment: By T/T or L/C
Application: Fresh water, sewage, sea water, air, vapor, food, medicine, oils. Acids, alkalis, salt etc.
