Resilient Seated Butterfly Valve Manufacturer

Resilient Seated Butterfly Valve

Request a Quote

View All: http://flowcontrol-valve.com/1-1-2-rubber-lug-body.html

Rubber Lug Body

Rubber Lug Butterfly Valve

Applications

The rubber lug butterfly valves can be used in water conveyance systems, seawater pipeline systems, gas pipeline systems, and weak acid-base transport systems.

Basic Information

Size Range: DN40-DN600

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 acids-bases, etc.

Materials

No.	Part	Material	No.	Part	Material
1	Valve Body	Cast Iron, Stainless Steel, Cast Steel, Aluminum Bronze.	8	Worm Gear	Cast Steel
2	Valve Disc	QT450 Nickel Plated, QT450 Nylon Coated, Aluminum Bronze, Stainless Steel 304, Stainless Steel 316, Stainless Steel 316L, Stainless Steel 2507, Stainless Steel 1.4469, and Stainless Steel 1.4529.	9	Bolts	45#, Stainless Steel
3	Seat Backing Ring	Phenolic, Aluminum Bronze.	10	O-Ring	NBR
4	Valve Seat (Rubber)	EPDM, NBR, FTFE, Silicone, Fluoroelastomer, Heat-Resistant EPM, and Wear-Resistant EPM	11	Retaining Ring	50#Mangalloy
5	Upper Stem	45#, 304, 316, 420 Stainless Steel	12	Thrust Washer	45#Galvanized Steel
6	Lower Stem	45#, 420 Stainless Steel	13	Gasket	45#Galvanized Steel
7	Retaining Rod	UPVC, 45#	14	Lubricating Sleeve	PTFE

Specifications

Size	ØD	ØD1	ØD2	n-Ma	n-Ød	H1	H2	H3	M*M	L1	L2

DN40	110	72	50	4-M16	4-Ø7	71	120	11	11*11	33.5	30
DN50	125	72	50	4-M16	4-Ø7	70	130	11	11*11	42	32
DN65	145	72	50	4-M16	4-Ø7	80	143	11	11*11	45	47
DN80	160	72	50	4-M16	4-Ø7	94	155	11	11*11	45	65
	160			8-M16
DN100	180	92	70	8-M16	4-Ø10	108	170	14	14*14	52.1	91
DN125	210	92	70	8-M16	4-Ø10	122	190	17	17*17	55	112
DN150	240	92	70	8-M20	4-Ø10	134	210	17	17*17	56	146
DN200	295	125	102	8-M20	4-Ø12	167	243	22	22*22	61	194
	295			12-M20
DN250	350	125	102	12-M20	4-Ø12	203	282	22	22*22	66	242
	355			12-M24
DN300	400	150	125	12-M20	4-Ø14	241	310	27	27*27	77	292
	410			12-M24
DN350	460	150	125	16-M20	4-Ø14	267	353	27	27*27	77	325
	470			16-M24
DN400	515	175	140	16-M24	4-Ø18	310	380	40	36*36	87	380
	525			16-M27
DN450	565	175	140	20-M24	4-Ø18	331	411	40	36*36	105	428
	585			20-M27
DN500	620	210	165	20-M24	4-Ø22	379	468	50	46*46	130	474
	650			20-M30
DN600	725	210	165	20-M27	4-Ø22	463	562	50	46*46	152	573
	770			20-M33

Certifications

Item	Standard	Optional Standard
Design & Manufacture	GB12238-89	ISO/DIN10631-91, AP1598
Face to Face Dimension	GB12221-89	ISO5752-88
Flange Connection	GB9113.1-2000, GB/T9119-2010	ANSI.B16.5, ISO7005, JIS2220:2004, DIN2532
Valve Test	GB/T13927-92	ISO/DIN 5208-87
Valve Mark	GB12220-89	ISO/DIN 5209-87
Valve Supply Requirements	GB/T12252	／

Features

Minimal Temperature Sensitivity:The unique end connection method of the rubber lug butterfly valves reduces susceptibility to temperature variations.
Easy Maintenance: Simple structure with fewer components makes our rubber lug butterfly valves easy to install and maintain.
Excellent Sealing Effect: The O-ring of our rubber lug butterfly valves exhibits excellent resistance to chemical corrosion, accommodating various fluid mediums and ensuring the valve remains leak-free when closed.