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Backflow Preventer with UL/FM Certified

Price $1000.00
Min Order 100 Pieces
Availability In Stock
Shipping From Shandong, China
Popularity 252 people viewed
Model NO.:
HQBP
Media:
Water
Temperature:
Ordinary Temperature
Material:
Cast Iron
Connection Form:
Flange
Structure:
Elevated
Pressure:
Ordinary Pressure
Sealing Form:
Gland Packings Globe Valve
Flow Direction:
Unidirection
Standard:
ANSI
Application:
Industrial Usage, Water Industrial Usage
End Standard:
ASME B16.5 125lb
Face to Face:
API 594
Inspection and Test:
API 598
Suitable Media:
Water, Oil Gas
Weight:
Depend on Differenct Size
Working Pressure:
Pn10&Pn16
Color:
Red or Blue
Stem:
Cast Steel
Trademark:
HQ
Transport Package:
Ply Wooden Cases
Specification:
ISO
Origin:
Shandong, China
HS Code:
8481300000
Product Description
Backflow Preventer
 
Application: Fire alarming system, industrial valve, fire protection system, potable water system, sewage system
 
Product Characteristic

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

Product Description
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
Detailed Photos

 

Packaging & Shipping

 

 

Installation Instructions


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.
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