Stainless Steel 3-Piece Welded Ball Valve - Complete Guide & Specifications

Price Negotiable

Price: Negotiation

MOQ: 100kgs

Delivery Time: 3-10days

Brand: YUHAO

Product Description

Stainless Steel 3-Piece Welded Ball Valve - Complete Guide & Specifications

►Products description

Stainless Steel 3-Piece Welded Ball Valve: The Ultimate Solution for Zero-Leakage Systems

(Introductory Paragraph)

Our 3-piece welded ball valve, constructed from 316 stainless steel, represents the pinnacle of reliability and performance in severe service applications. Unlike threaded or flanged valves, its butt-weld ends provide a permanent, leak-proof connection, making it the preferred choice for high-pressure, high-purity, and corrosive fluid systems. The ingenious three-piece design allows for easy in-line maintenance without disconnecting the pipeline, saving time and money.

H2: Key Features and Benefits

Zero-Leakage Welded Connections:Butt-weld ends ensure a permanent, robust seal, eliminating potential leak paths common in threaded or flanged joints.
Superior 316 Stainless Steel Construction:Offers excellent corrosion resistance against a wide range of chemicals, solvents, and atmospheric conditions, ideal for chemical processing, marine, and pharmaceutical applications.
Full Port (Full Bore) Design:Minimizes pressure drop and allows for pigging or cleaning of the pipeline, reducing flow resistance and energy costs.
In-Line Maintainability:The center section can be easily removed for seat cleaning, seal replacement, or inspection without removing the valve from the pipeline, drastically reducing downtime.
Fire-Safe Design (Optional):Many models feature anti-static devices, blow-out-proof stems, and fire-safe seats to prevent accidents in hazardous environments.
High-Pressure Rating:Designed to withstand working pressures up to 3000 PSI (depending on size and temperature), suitable for demanding industrial processes.

►Product size

PN1.6MPa Main connection dimensions and weight

DN	15	20	25	32	40	50	65	80	100	125	150	200
L	130	140	150	165	180	200	220	250	280	320	360	400
H	59	63	75	85	95	107	142	152	178	252	272	342
W	130	130	160	180	230	230	400	400	650	1050	1050	1410
Wt(Kg)	2.5	3	5	6	7	10	15	19	33	58	93	160

PN2.5MPa Main connection dimensions and weight

DN	15	20	25	32	40	50	65	80	100	125	150	200
L	130	140	150	165	180	200	220	250	320	400	400	550
H	59	63	75	97	107	142	152	178	252	272	342	345
W	130	130	160	230	230	400	400	700	1100	1100	1500	1500
Wt(Kg)	2.5	3	5	6	7.5	10	15	20	33	60	93	175

PN4.0MPa Main connection dimensions and weight

DN	15	20	25	32	40	50	65	80	100	125	150	200
L	130	140	150	180	200	220	250	280	320	400	400	400
H	59	63	75	85	95	107	142	152	178	252	272	342
W	130	130	160	230	230	400	400	700	1100	1100	1500	1500
Wt(Kg)	3	4	5	7	9	12	18	28	46	75	106	190

PN6.4MPa Main connection dimensions and weight

DN	15	20	25	32	40	50	65	80	100	125	150	200
L	165	190	216	229	241	292	330	356	432	508	559	660
H	59	63	75	97	107	142	152	178	252	272	305	398
W	130	130	160	230	230	400	400	700	1100	1100	1500	1800
WtKg)	6.5	7	8	12	14	18	28	40	65	98	140	250

PN10MPa Main connection dimensions and weight

DN	15	20	25	32	40	50	65	80	100	125	150	200
L	165	190	216	229	241	292	330	356	432	508	559	660
H	59	63	75	97	107	142	152	178	252	272	305	398
W	130	130	160	230	230	400	400	700	1100	1100	1500	1800
Wt(Kg)	6.5	7	10	15	18	25	32	46	75	-	-	-