Product Description Model NO.: D343H-DN250-16C Connection Form: Flange Seal Form: Force Sealed Work Pressure: Low Pressure (Pn<1.6mpa) Material of Seal Surface: Metal Hard Sealed Application: Industrial Usage, Water Industrial Usage Pressure: Pn16 Sealing: Metal Sealing Trademark: zhongya Origin: China Driving Mode: Electrical Structure: Three-Eccentric Sealing Valve Stem: Normal Working Temperature: Medium Temperature (120°C
Standards
Design and Manufacture: API 609, MSS SP-67, MSS SP-68
Inspection and Test: API 598
End flange dimension: ASME B16.5(NPS≤ 24), ASME B16.47 B
BW end dimension: ASME B16.25
Face to face and end to end: API 609
Pressure-temperature ratings: ASME B16.34

Trait and purpose
Hard Seal Butterfly Valve triple offset series are our company's leading products,
Which are used in such fields as metallurgy, light industry, electric power, petrochemistry,
Coal gas channel etc.

The Seal principle of hard Seal Butterfly valve triple offset
The Triple Offset Butterfly Valve Provides a bi-directional bubbletight shut-off.
This geometry ensures that the disc seal contacts the body seat only at the final shut-off
Position without rubbing or galling, providing atorque generated resilient seal with sufficient
"wedging" to ensure auniform seal contact.

Size Range: 1/2 Inch-24 Inch/DN15~DN3500
Class Range: 150LB-900LB/PN1.0~PN6.4
Construction: Body And Bonnet Available In Carbon Steel, In Alloy And Stainless Steel And
Other Materials Available To Order
End Connection: Flanged, Screwed, Socket Weld Or Butt Weld Offered
Products: We can produce gate, globe, check, ball and butterfly valves with the materials of ductile iron, carbon steel, alloy steel, stainless steel, ultra-low carbon stainless steel, Monel and other materials available to order. Our products are designed and manufactured in accordance with the standards of GB, ASME, ANSI, API, BS, DIN, JIS etc. We can offer special standard valves to our clients on your request.
Certificates: We have held the certificates of ISO, ISO 9001, SAI Global Watermark, ABS (Design Assessment Certificates), API 6D, CE/PED for many years and view the ISO 9001 as the minimum standard to maintain.
Quality: A larger number of advanced mechanical facilities and inspecttion equipments have been employed in Shanghai Huatong Valve Co., Ltd. Based on the first-class management and advanced production facilities, we are confident to delivery the high quality valve products available to our customers.

Size		F-F		Outside dimension		Connection size					Weight (kg)
		L	L1	H	H0	D	D1	D2	M	Z-d
2"	50	43	108	110	345	152	120.5	92	M18	4-19	9
3"	80	49	114	125	380	190	152.5	127	M18	4-19	11
4"	100	56	127	145	415	229	190.5	157	M18	8-19	13
5"	125	64	140	165	455	254	216	186	M20	8-22	16
6"	150	70	140	175	545	279	241.5	216	M20	8-22	26
8"	200	71	150	210	645	343	298.5	270	M20	8-22	34
10"	250	76	160	250	695	406	362	324	M24	12-25	51
12"	300	86	178	285	830	483	432	381	M24	12-25	72
14"	350	92	190	320	900	533	476	413	M27	12-29	106
16"	400	102	216	355	980	597	540	470	M27	16-29	133
18"	450	114	222	380	1030	635	578	533	M30	16-32	176
20"	500	127	229	415	1110	699	635	584	M30	20-32	190
24"	600	154	267	475	1305	813	749.5	692	M33	20-35	394
30"	750	165	292	580	1525	985	914	857	M33	28-35	476
32"	800	190	318	630	1585	1060	978	914	M39	28-41	618
36"	900	203	330	680	1765	1168	1085	1022	M39	32-41	762

Contact us if you need more details on Steam Butterfly Valve. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Water Butterfly Valve、Gas Butterfly Valve. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Butterfly Valve