Name: Triple Offset Wafer Butterfly Valve D373H PN0.6~1.6 Gear Operated - VALVEHU, Leading Valve Manufacturer and Supplier in China
SKU: HU37

Description

Contents hide

1 Buy Flanged Triple Eccentric Butterfly Valve D373H PN6 to PN25 Manual Cast Body

1.1 Technical Specifications

1.2 Main Technical Parameters

1.3 Main Dimensions and End Connection Sizes of D363H Welded Triple Offset Butterfly Valve (PN6, PN10, PN16, PN25) — DN50 to DN1400 (Unit: mm)

1.4 FAQ

Buy Flanged Triple Eccentric Butterfly Valve D373H PN6 to PN25 Manual Cast Body

The VALVEHU D373H Triple Offset Butterfly Valve is engineered for precise flow control and isolation across various industrial applications. Designed to operate reliably under pressure classes PN6, PN10, and PN16, this valve is suitable for pipeline sizes ranging from DN50 to DN2000. With its triple eccentric structure, the valve eliminates friction during opening and closing, which significantly extends the service life and ensures tight shut-off performance.

Constructed from high-grade cast iron or carbon steel with flanged ends, the D373H series is ideal for use with air, water, oil, steam, and corrosive media. It features optional manual, electric, or pneumatic actuation, offering flexibility across automated systems. The standard flange dimensions comply with GB/T17241.6, and the design adheres to GB/T12238 and JB/T8527-2015 standards, ensuring high integrity and interchangeability with most pipeline systems.

With accurate dimension charts, torque-consistent sealing, and minimized leakage risk, this triple offset butterfly valve delivers dependable performance in critical applications such as power plants, petrochemical industries, HVAC systems, and water treatment facilities.

If you are looking for a highly durable and low-maintenance butterfly valve solution with multi-pressure compatibility, the D373H series is the right choice. For selection guidance or technical advice, get in touch with our experts at VALVEHU China, and we will support you in choosing the best valve for your operational needs.

Technical Specifications

Valve Type: Triple Offset Butterfly Valve
Model Code: D373H
Pressure Range: PN6, PN10, PN16
Size Range :DN50 to DN2000
Connection Type: Flanged Ends
Body Material: Cast Iron or Cast Steel
Sealing Type: Metal Seated Triple Eccentric
Applicable Media: Air, Water, Oil, Steam, Corrosive Fluids
Actuation Options: Manual, Pneumatic, Electric
Design Standard: GB/T12238, JB/T8527-2015

Main Technical Parameters

Parameter	Unit	Value
Nominal Diameter	DN (mm)	50 ~ 2000
Nominal Pressure	PN (MPa)	0.6 / 1.0 / 1.6
Shell Test Pressure	MPa	0.9 / 1.5 / 2.4
Seal Test Pressure	MPa	0.66 / 1.1 / 1.76
Air Seal Test Pressure	MPa	0.6 / 0.6 / 0.6
Suitable Media	–	Air, Water, Wastewater, Steam, Coal Gas, Oil, etc.
Actuation Methods	–	Manual, Worm Gear, Pneumatic, Electric

Main Dimensions and End Connection Sizes of D363H Welded Triple Offset Butterfly Valve (PN6, PN10, PN16, PN25) — DN50 to DN1400 (Unit: mm)

Nominal Diameter DN (mm)	L	L1	L2	H	H1	PN0.6MPa D	DN	PN1.0MPa D	DN	PN1.6MPa D	DN	PN2.5MPa D	DN
50	150	150	40	300	215	57	51	57	51	57	51	57	51
65	170	150	40	320	220	71	71	76	71	76	71	76	71
80	180	195	45	340	240	90	78	90	78	90	78	90	78
100	190	195	45	370	270	110	96	110	96	110	96	110	96
125	200	225	45	400	290	135	121	135	121	135	121	135	121
150	210	225	65	430	310	161	146	161	146	161	146	161	146
200	230	225	65	460	320	222	202	222	202	222	202	222	202
250	250	280	80	520	330	278	254	278	254	278	254	278	254
300	270	280	80	610	360	330	303	330	303	330	303	330	303
350	290	280	120	710	420	382	351	382	351	382	351	382	351
400	310	320	120	750	434	432	398	432	398	432	398	432	398
450	330	320	165	870	473	484	450	484	450	484	450	484	450
500	350	320	165	930	551	585	501	585	501	585	501	585	501
600	390	400	165	1080	680	636	602	636	602	636	602	636	602
700	430	400	215	1240	790	726	692	726	692	726	692	726	692
800	470	400	215	1370	840	826	792	826	792	826	792	826	792
900	510	500	215	1450	880	926	892	926	892	926	892	926	892
1000	550	500	320	1650	1010	1028	992	1028	992	1028	992	1028	992
1200	630	500	320	1790	1050	1228	1192	1228	1192	1228	1192	1228	1192
1400	710	600	320	2000	1150	1428	1392	1428	1392	1428	1392	1428	1392

FAQ

What makes the D363H butterfly valve suitable for high-pressure applications?
Its triple eccentric design and metal-seated structure ensure tight sealing and high durability under PN6–25 pressures.

Can the D363H valve handle high-temperature fluids?
Yes, the laminated graphite and stainless steel sealing makes it ideal for high-temperature environments.

Is this valve suitable for fully welded pipeline systems?
Absolutely. The butt weld end connection ensures high-integrity integration into welded pipeline networks.

What sizes are available for the D363H model?
The valve comes in a wide size range from DN50 up to DN1400, fitting various pipeline standards.

Does this valve support automated actuation?
While this version is manually operated, it can be configured with gear, pneumatic, or electric actuators upon request.