Double block and double bleed ball valve
PRODUCT RANGE
Class 150 from ½'' to 10''
Class 300 from ½'' to 8''
Class 600 from 1/2" to 4"
MATERIALS
BODY: Carbon steel, Stainless steel, Low temperature carbon steel, Duplex, Special Alloys,... Other materials under request
SOFT SEATS : PTFE, RPTFE, PEEK, DEVLON, NYLON,... Other materials under request
METAL SEAT:Tungsten Carbide(TC), Stellited
, Ni60...Other materials under request.
TRIM: A105+EP,304,316, 410, MONEL,... Other materials under request
DESIGN STANDARDS
ASME Standards:
B1.20.1Pipe Threads,General Purpose(Inch)
B16.10Face-to-Face and End-to-End Dimensions of Valves
B16.25Buttwelding Ends
B16.11Forged Fittings, Socket-Welding and Threaded
B16.5Flanged Fittings and Pipe Flanges
B16.47Large Diameter Steel Flanges
API Standards:
6DSpecifications for Pipeline valves
598Valve Inspection and Testing
607Fire test for soft-seated quarter-turn valves
6FASpecification for Fire Test for Valves
MSS Standards:
SP-55Quality Standard for Steel Castings for Valves,Flanges,and Fittings and Other Piping Components-Visual Method for Evaluation of Surface Irregularities
SP-54Quality Standard for Steel Castings for Valves,Flanges,and Fittings and Other Piping Components-Radiographic Examination Method
SP-53Quality Standard for Steel Castings for Valves,Flanges,and Fittings and Other Piping Components-Magnetic Particle Examination Method
PRODUCT |
SIZE |
PRESSURE |
POWER |
BRAND NAME |
| DBB BALL VALVE |
1/2"-48" |
150lb-2500lb |
WORM, PNEUMAITC, HYDRAULIC |
YFV, OEM |
Certificates & Test reports
Packing&Shipping
FAQ
Q:Are you a trading company or a manufacturer?
We are a manufacturer with a 13,000 square metre factory.
Q:Can you provide assembly drawings?
Yes, we will provide the relevant drawings as soon as possible if you need them.
Q:How do you guarantee the quality of your products?
A: Before the products leave the factory, our quality inspectors will inspect each product before shipment to ensure the pass rate.
Q: Can you produce different standard valves according to customers' requirements?
A: Yes, please provide specific details, such as model, size, pressure, material and so on.
Q:How long is your delivery time?
A: Usually 15-30 days, it depends on the order quantity and our storage.
Audited Supplier 
Audited Supplier 
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