Metal Ball Valve

Summary:Full bore, floating/fixed ball Center flange bolted connection Valve stem anti-escape design Opening/closing positioning mechanism Low-leakage packing seal Automatic pressure-relief structure Reliable sealing, quick operation Actuation method available as optional feature

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Product Details

Product Features

Full bore, floating/fixed ball

Center Flange Bolted Connection

Valve stem anti-ejection mechanism

Opening and Closing Positioning Mechanism

Low-leakage packing seal

Automatic pressure-relief structure

Reliable sealing, quick operation

Transmission method available as an option

Product Specifications

Product Name	Design Specifications	Structural length	Connection standard	Testing and Inspection	Pressure-Temperature	Product Identification	Supply Specifications
Ball valve	GB/T 12237	GB/T 12221	HG/T 20592	GB/T 13927	GB/T 12224	GB/T 12220	JB/T 7928
Ball valve	API 608	ASME B16.10	ASME B16.5	API 598	ASME B16.34	MSS SP-25	API 608

Size range: DN15–300, NPS 1/2–12

Pressure range: 1.0–42.0 MPa, 150–2500 LB

Connection method: Flanges, butt welding, threads

Drive method: Handwheels, worm gears, electric, pneumatic, and more

Major component materials

Name		Materials
		GB/T 12237			API 608
Valve Body/Valve Cover		WCB	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti	WCB	CF8	CF8M
Valve stem		2Cr13	1Cr18Ni12Mo2Ti	1Cr18Ni12Mo2Ti	F6a	F316	F316
Sphere		1Cr18Ni9Ti + Nickel-Based Alloy	0Cr17Ni12Mo2 + Nickel-Based Alloy		F304+ Nickel-Based Alloy	F316+ Nickel-Based Alloy
Valve seat		1Cr18Ni9Ti + Nickel-Based Alloy	0Cr17Ni12Mo2 + Nickel-Based Alloy		F304+ Nickel-Based Alloy	F316+ Nickel-Based Alloy
Filler		Flexible Graphite
Gasket		18-8 Flexible Graphite
Bolt		35CrMoA	1Cr18Ni9Ti		A193 B7	A193 B8M
Applicable Temperature	Room-temperature type	-29 to 180°C
	High-temperature type	-29 to 425°C	-40 to 540°C		-29 to 425°C	-40 to 540°C