Floating Ball Valve SW/RF/RTJ/BW/NPT 1/4'-10' 150Lb~2500Lb

Model NO. Floating Ball Valve

-Rateing Range:Class 150 to Class 2500
-Size Range ¼” thru 10” (Class Dependent)
-Full Bore and Reduced Bore
Design temperature: from -196 °C to +450 °C
Flanges: RF/RTJ according to ASME B16.5 and B16.47, BW according to ASME B16.25
End to end dimensions: according to API 6D
Options: metal seated

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SJ Floating Ball Valve

As the name suggests, AS per api 608 ball valve SJ Floating Ball Valve uses a ball as the structure to close the cross-section of the pipe and prevent the flow of the fluid.SJ Floating Ball Valve versatile one-piece, two-piece and three-piece process forged steel floating ball valve includeing full bore and reduced bore ball valveSJ Floating Ball Valve are available in full-bore and regular-bore designs with a variety of connections and materials to meet customer requirements.This kind of valve adopts a float structure. The float moves toward the downstream valve seat under pressure to achieve a tight seal.

Precision Mlachined Forged BodyThe forged body tliminates,the possibility of leakage due to poor castings.Predision,finish machining keeps tight tolerances to ensure secureassambly for high prassure, criical apphcat ons.Ball/Seat LappingLapping saats to tho ball ensures tght tolorancas,impraving shut.oftsealing capability while lowering torque requiremenes.

Technical specification
Design reference		API	ASME	rOCT
Design standard		API 6D	ASME B16.34	/
Structural length	Flanged ends	API 6D	ASEM B16.10	/
	Welded connection
Flanged ends		ASME B16.5/ASME B16.47		rOCT 33259 rOCT 12815
Butt-welding ends		ASME B16.25
Test&inspection		API 6D	API598	rOCT 9544

Notes:The sizes of valve connecting flange and butt-welding terminas can be designed according to customer's requirement.

Main material
	Part Name	Main Material		Part Name	Main Material
1	Body	WCB,LCB,LCC,4A,CF8,CF3,CF3M,CF8M,G20Mn5,F51 A105,LF2,F304,F304L,F316,F316L,F321,F416,F440C, 17-4PH,Inconel,Monel,Alloy steel,Aluminium Bronze	10	Stud	B7,B7M,L7,L7M,Inconel,Monel,Alloy steel,Aluminium Bronze
2	Cover		11	Nut	2H,2HM,7,7M,Inconel,Monel,Alloy steel,Aluminium Bronze
3	Ball	A105,LF2,F304,F304L,F316,F316L,F321,F416,F440C,F51,In-conel,Monel,Alloy steel,Aluminium Bronze	12	Spiral wound gasket	Stainless steel+Graphite
4	Handle	WCB,CF8	13	Anti-static device	IncX 750
5	Paking gland	Consistent with body	14	Locating piece	Carbon steel/Stainless ste
6	Seat	PTFE,RPTFE,DEV,NLY,PPL,POM,PEEK,+STL,+TCC,+Ni60	15	Shaft snap ring	Carbon steel/Stainless ste
7	Stem	410,LF2,F304,F304L,F316,F316L,F321,F416,F440C,F51,Inconel,Monel,Alloy steel,Aluminium Bronze	16	Plain washer	Carbon steel/Stainless ste
8	Packing	Graphite	17	Hexagon-headed bolt	B7,B7M,L7,L7M,Inconel,Monel,Alloy steel,Aluminium Bronze
9	Thrust Washer	PTFE	18	Soket head cap screw	B7,B7M,L7,L7M,Inconel,Monel,Alloy steel,Aluminium Bronze
Notes:Major parts ofthe valve series and materials ofsealing surface differ according to actuaworking condition andcustomer sspecialrequirement.

Floating Ball Valve
Reduced-bore
Nominal Size		d		D		L		H		W		Weight
in	mm	in	mm	in	mm	in	mm	in	mm	in	mm	Lb	Kg
3/4×1/2	20x15	0.5	12.7	0.75	19	4.61	117	3.23	82	5.12	130	6.6	3
1×3/4	25×20	0.75	19	1	25	5	127	3.35	85	5.12	130	9.9	4.5
1-1/2×1	40×25	0.98	25	1.5	38	6.5	165	3.94	100	6.3	160	15.4	7
2×1-1/2	50x40	1.5	38	2	51	7	178	4.53	115	9.06	230	19.8	9
2-1/2×2	65x50	1.93	49	2.5	64	7.5	191	4.72	120	9.06	230	33.1	15
3×2	80×50	1.93	49	3	76	8	203	6.02	153	15.57	400	35.3	16
4×3	100x80	2.91	74	4	102	9	229	6.38	162	15.57	400	65	29.5
6×4	150x100	3.94	100	6	152	15.5	394	7.52	191	18.11	460	105.8	48
8×6	200x150	5.91	150	8	203	18	457	11.42	290	11.81	300*	271.2	123
10×8	250×200	7.91	201	10	254	21	533	13.39	340	11.81	400*	408.6	218
Notes:The sizes in the table are stipulated by APIstandards.For otherstandard sizes,please contact our sales staff.

The above parameters are based on Class 150 and are for reference only. For detailed information, please consult the technical team.

Floating Ball Valve

What is a Floating Ball Valve?

A floating ball valve is a type of ball valve where the ball core is not fixed by a shaft at both ends. It floats between two valve seats and moves slightly under medium pressure to press against the downstream seat, helping to form a tight seal.

How does a floating ball valve work?

When the handle or actuator rotates the stem, the ball core turns 90 degrees. When the through hole of the ball aligns with the pipeline, the valve opens. When the hole is perpendicular to the pipeline, the valve closes. The floating ball design helps the seat seal more tightly under fluid pressure.

What are the main advantages of a floating ball valve?

Simple structure
Good sealing performance
Low operating torque
Easy installation and maintenance
Suitable for general pipeline control

Where are floating ball valves used?

Floating ball valves are commonly used in oil and gas, chemical, water treatment, HVAC, and general industrial pipelines. They are suitable for shut-off, flow control, and switching of water, oil, gas, and some corrosive media.

What materials are available for floating ball valves?

Common body materials include carbon steel, stainless steel 304, stainless steel 316, and alloy materials. Seat materials can be PTFE, RPTFE, metal seats, or other special materials depending on temperature, pressure, and medium requirements.

What pressure and temperature ranges do floating ball valves cover?

Typical pressure ratings include Class 150, Class 300, Class 600, and higher. Common temperature ranges are approximately -29°C to 200°C for soft-seat designs, while metal-seat versions can handle higher temperatures.

SJ Floating Ball Valve provides reliable shut-off and flow control for industrial pipelines. It features a floating ball core, simple structure, tight sealing, and flexible material options, making it suitable for oil and gas, chemical, water treatment, and general process pipeline applications.

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Head Office Address: Viale del Lavoro.19,20003 Casorezzo Ml. Italy Testing zone
Address:Via S. Giovanni Bosco S.n.c.70020 – Poggiorsini (BA) – ITALY

EMAIL: andant@sanjingvalve.com
PHONE: +39 389 949 9067
WHATSAPP: +39 389 949 9067

Branch Office Address: Dongou Industrial Zone, Oubei Street, Yongjia Wenzhou City, Zhejiang Province China Testing zone 2 Address:No. 205, Linwu Road, Sanqiao Industrial Zone

What exactly is the relationship between SANJING Valve Company and SJ Valvole S.R.L.?

SANJING Valve Company is the main manufacturing company, responsible for valve production, quality control, testing, and technical support. SJ Valvole S.R.L. serves as SANJING’s Italian office, supporting its business development, customer communication, and commercial activities in Italy and the European market.

Integrated Manufacturing and European Service

The two operations work together to provide customers with coordinated manufacturing and local market support:

Manufacturing & Quality Control: SANJING Valve Company manages valve manufacturing, inspection, testing, and quality control at its production facilities.

European Market Support: SJ Valvole S.R.L. supports customer communication, commercial coordination, and business development in Italy and other European markets.

Project Coordination: Customer requirements, technical specifications, documentation, production, and delivery can be coordinated between the Italian office and the manufacturing team.

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