ggg40 butterfly valve EPDM seal wafer DN300 butterfly valve gg25 double offset gear box butterfly valve
the butterfly valve is used to open and close the medium or regulate the medium flow. simple structure small volume, light weight and small size for installation. according to the connection type, there are three basic connection, wafer type(including lug wafer type), flange and butt welding type.the sealing structure has three types including mutli-layer metal sealing, whole metal seat sealing and elastic metal sealing. it is used for different working condition with reliable sealing performance and long life span.
Design standard: API 6D API609 EN593 GB12238
Inspection and test: API 6D API 598 EN12266 GB/T 13927 JB/T 9092
Face to face: ASME B16.10 GB/T12221
Flange connection: ASME B16.5 EN1092 GOST54432 GB/T9113
- applicable temperature: -29----425
applicable medium: water, oil, gas, steam and non strong corrosive liquid
pressure rate: PN10—PN40,150LB---600LB
size range: DN50--DN1400 2’’—56’’
PAYMENT & SHIPPING:
Q: Are you factory or trading company ?
A: We are a factory.
Q: What’s the MOQ ?
A: Normally, If the items are in stock,there is no MOQ. The quantity is according to
the clients requires.
B: If there is no stock,the general MOQ are in big difference due to the different
products. But the quantity still can be negotiated .
Q: What are the advantages of your product ?
We specialized in fully welded ball valves for heating and natural gas .
A: Whole seamless steel tube pressed, full-auto welded without leaking
B: PTFE+25% carbon fiber and disc spring freely feed structure zero leakage.
C: Can be directly buried without need of a high ground well, saving the project
D: Both valve and pipeline are made of the same material, without the condition of
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