Flanged Ball Valve

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Flanged Ball Valve

Applications

Flanged ball valve can be used in various situations, including water conveyance pipelines, heating distribution pipelines, high-temperature and high-pressure media conveyance pipelines in steel mills, and petroleum pipelines.

Basic Information

Size Range: DN15-DN200

Temperature Range T: 0-100℃

Maximum Allowable Operating Pressure PN: 1.0-2.5Mpa

Pressure Rating: 1.5-3.75Mpa (Shell)
1.1-2.75Mpa (Seal)

Applicable Media: Freshwater, seawater, air, weak acid-base, and so on.

Features

Wear-resistant: The valve core is made of spray welding of alloy and the O-ring is made of overlay welding of alloy, permitting minimal wear during valve operation (with a hardness coefficient of 65-70).
Excellent sealing performance: Flanged ball valves are manually ground to ensure a perfect fit between the valve core and the O-ring, providing reliable sealing performance.
Light operation even when external forces exceed the pre-tension force of the spring.

Materials

No.	Part	Materials	No.	Part	Material
1	Valve Body and Valve Bonnet	CF8, CF8M, CF3, CF3M, WCB	5	Packing	FTFE, Graphite
2	Valve Core	CF8, CF8M, CF3, CF3M, WCB	6	O-Ring	PTFE
3	Valve Seat	FTFE, PPL	7	Bolts	Stainless Steel, 35CrMoA
4	Valve Stem	CF8, CF8M, CF3, CF3M, 2Cr13	8	Nuts	Stainless Steel, 45#, 35CrMoA

Specifications

Size	L	ØD	ØD1	ØD2	C	f	n-Ød
DN15	130	96	66	46	14	2	4-Ø14
DN20	140	106	76	64	14	2	4-Ø14
DN25	160	116	86	66	14	2	4-Ø14
DN32	166	136	100	76	16	3	4-Ø18
DN40	180	146	110	85	18	3	4-Ø18
DN50	200	160	126	100	18	3	4-Ø18
DN65	220	180	146	118	20	3	8-Ø18
DN80	260	196	160	132	20	3	8-Ø18
DN100	280	216	180	165	20	3	8-Ø18
DN125	320	246	210	186	22	3	8-Ø18
DN150	360	280	240	210	24	3	8-Ø22
DN200	400	336	296	266	26	3	12-Ø22

Certifications

Item	Standard	Optional Standard
Design & Manufacture	GB12237	BS5351, ANSI B16.34
Face to Face Dimension	GB12221-89	ANSI B16.10
Flange Connection	JB/T-79	ANSI B16.5
Valve Test	JB/T-9092	API598