Resilient Seated High Performance Butterfly Valve Manufacturer

Resilient Seated High Performance Butterfly Valve

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Resilient Seated

Applications

Resilient seated high performance butterfly valve can be used in water conveyance systems, seawater pipeline systems, gas pipeline systems, powder transfer systems and weak acid-base transport systems.

Basic Information

Size Range: DN50-DN300

Temperature Range T: 0-100℃

Maximum Allowable Operating Pressure PN: 1.0-1.6Mpa

Pressure Rating: 1.5-2.4Mpa (Shell)
1.1-1.76Mpa (Seal)

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

Materials

No.	Part	Material	No.	Part	Material
1	Valve Body and Valve Bonnet	QT450	6	O-Ring	EPDM
2	Valve Disc	QT450 EPDM	7	Packing	PTFE
3	Valve Stem	2Cr13	8	Bolts	Stainless Steel, 45#
4	Valve Stem Nuts	Aluminum Bronze	9	Nuts	Stainless Steel, 45#
5	Gland	QT450	10	Valve Handwheel	WCB

Specifications

Size	L	H	D	d	c	g	n-Ød		T	f
Size	L	H	D	PN10/16	PN10/16	g	PN10	PN16	T	f
DN50	178	241	138	158	125	99	4-Ø18	4-Ø18	17	2
DN65	190	270	173	180	145	118	4-Ø18	4-Ø18	17	2
DN80	203	292	173	196	160	132	4-Ø18	8-Ø18	19	3
DN100	229	333	200	215	180	156	8-Ø18	8-Ø18	20	3
DN125	254	384	230	250	210	184	8-Ø18	8-Ø18	20	3
DN150	267	420	230	280	240	211	8-Ø23	8-Ø23	20	3
DN200	292	512	270	336	295	266	8-Ø23	12-Ø23	21	3
DN250	330	602	350	405	350/355	319	12-Ø23	12-Ø25	25	3
DN300	356	705	350	460	400/410	370	12-Ø23	12-Ø25	28	4
DN350	381	782	450	515	460/470	430	16-Ø23	16-Ø25	28	4
DN400	406	880	480	580	515/525	475	16-Ø25	16-Ø30	28	4
DN450	432	980	600	650	565/585	530	20-Ø25	20-Ø30	29	4
DN500	457	1055	600	670/715	620/650	580	20-Ø25	20-Ø34	29	4
DN600	508	1260	600	780/810	725/770	680	20-Ø30	20-Ø40	38	4

Certifications

Item	Standard	Operational Standard
Design & Manufacture	GB12234	∕
Face to Face Dimension	GB12221-89	∕
Flange Connection	JB/T-79	∕
Valve Test	JB/T-9092	∕

Features

Excellent sealing performance: Soft sealing materials are used as sealing elements, and these materials have excellent elasticity and sealing performance, effectively preventing fluid leakage.
Wider applicability: Due to the characteristics of the materials, resilient seated butterfly valves can be used in water conveyance systems, seawater pipeline systems, gas pipeline systems, and powder transport systems.