China Lug Butterfly Valve Manufacturers - Lug Butterfly Valve Suppliers and Factory

Your Professional Lug Butterfly Valve Supplier

TIANJIN XTD VALVE CO., LTD. is a professional manufacturer of various valves, including butterfly valves, gate valves, filters, ball valves, globe valves, and more.

Unlike ordinary valve manufacturers, XTD VALVE owns its own rubber factory and valve stem processing facility, allowing for greater control over quality and production efficiency.

Stainless Steel Lug Butterfly Valve
The stainless steel lug butterfly valve is entirely constructed from premium 304/316/316L (CF8/CF8M/CF3M) stainless steel, offering exceptional corrosion resistance and structural integrity.
Lugged and Tapped Butterfly Valve
The Threaded Lug Wafer Butterfly Valve (Centerline Type) features a stainless steel plate stamped body and a centerline disc design, ensuring minimal flow resistance and reliable sealing performance.
Tapped Lug Butterfly Valve
This lug-type wafer butterfly valve combines WCB cast steel body with CF8 stainless steel disc, specially designed for industrial piping systems with PN16 pressure rating. The valve body is
Lug Style Valve
This centerline wafer butterfly valve combines high-strength ductile iron body with CF3M stainless steel disc, specially designed for 150LB pressure applications. The premium EN-GJS-450-10 ductile
Fully Lugged Butterfly Valve
This lug-type wafer butterfly valve combines WCB cast steel body with CF8 stainless steel disc, featuring innovative annular water-grooves. Three professional stem options are available: zinc-plated
Lug Body Valve
The Red Ductile Iron Body, Bronze Disc Centerline Lug Type Wafer Butterfly Valve adopts a centerline symmetrical design, with the stem and disc aligned to minimize torque during operation and ensure
Wafer Lug Valve
The WCB Steel Body, CF3M Disc Centerline Hand Lever Wafer Butterfly Valve features a centerline symmetrical design with precise alignment between the stem and disc, reducing frictional torque by 35%

Why choose us

Our Certificates
Our products have passed ISO 9001 certification. We have also been recognized as a high-tech enterprise, received an AAA credit rating certificate, and hold multiple patents.

Production & Market
Since its establishment, TIANJIN XTD VALVE CO., LTD. has gained strong domestic sales due to its excellent quality and solid reputation.While maintaining a firm foothold in the domestic market, the company actively explores international markets by participating in global exhibitions, showcasing product advantages, and establishing relationships with customers worldwide. Our products are exported to multiple countries and regions, including Indonesia and other international destinations.

Our Services
From CAD drawings to delivery – We provide seamless service:
● 1-on-1 Engineering Support with over 30 years of expertise
● 15-Day Fast Delivery for standard valves
● Custom Solutions at no additional cost

Lug Butterfly Valve

Lugged butterfly valves are butterfly valves that have been fitted with lugs in order to make them easier to install and remove. The lugs are usually on the valve’s body, although they can also be on the disk. Lugged butterfly valves are used in a variety of applications, including process control, water treatment, and pulp and paper production.

productcate-915-551

Nominal diameter DN		Size (mm)													Weight (kg)
Nominal diameter DN		A	B	C	D	L	H	D₁	N-Ø	K	E	n₁-Ø₁	Ø₂	G	Weight (kg)
(MM)	(Inch)
50	2"	161	80	42	52.9	32	88.38	125	4-M16	77	57	4-7	12.6	118	3.8
65	2.5"	175	89	44.7	64.5	32	102.54	145	4-M16	77	57	4-7	12.6	137	4.2
80	3"	181	95	45.2	78.8	32	61.23	160	8-M16	77	57	4-7	12.6	178	4.7
100	4"	200	114	52.1	104	32	68.88	180	8-M16	92	70	4-10.5	15.77	206	9.0
125	5"	213	127	54.4	123.3	32	80.36	210	8-M16	92	70	4-10.5	18.92	238	10.9
150	6"	226	139	55.8	155.6	32	91.84	240	8-M20	92	70	4-10.5	18.92	266	14.2
200	8"	260	175	60.6	202.5	45	112.89/76.35	295	8-M20/12-M24	115	88.9	4-14.5	22.1	329	18.2
250	10"	292	203	65.6	250.5	45	90.59/91.88	350/355	12-M20/12-M24	115	88.9	4-14.3	28.45	393	26.8
300	12"	337	242	76.9	301.6	45	103.52/106.12	400/410	12-M20/12-M24	140	107.95	4-14.3	31.6	462	40
350	14"	368	267	76.5	333.3	45	89.74/91.69	460/470	16-M20/16-M24	140	107.95	4-14.3	31.6	515	56
400	16"	400	309	86.5	389.6	51.2/72	100.48/102.42	515/525	16-M24/16-M27	197	158.75	4-20.6	33.15	579	96
450	18"	422	328	105.6	440.51	51.2/72	88.38/91.51	565/585	20-M24/20-M27	197	158.75	4-20.6	38	627	122
500	20"	480	361	131.8	491.6	64.2/82	96.99/101.68	620/650	20-M24/20-M30	197	156.25	4-20.6	41.15	696	202
600	24"	562	459	152	592.5	70.2/82	113.42/120.46	725/770	20-M27/20-M33	276	215.9	4-22.2	50.65	821	270

Basic Information

Model NO.	LTD71 / LTD371 / LTD671 / LTD971	Connection Form	Wafer
Structure	Centre Sealing	Seal Form	Force Sealed
Valve Stem	Normal	Work Pressure	0.6MPa / 1.0MPa / 1.6MPa / 2.5MPa / Class150
Working Temperature	Normal Temperature (-40°C < T < 120°C)	Material of Seal Surface	Soft Sealed / Hard Sealed
Valve Body	Casting	Standard	API 609
Application	Industrial Usage, Water Industrial Usage, Household Usage	Seated Material	EPDM, NBR, PTFE, FKM
Certification	ISO9001	Flow Resistance	Low Resistance
Transport Package	Export Wooden Crate	Specification	DN25 - DN1600
Origin	China	HS Code	8481804090
Production Capacity	50,000 pieces/Year

Technical Parameters

Size	DN32-DN600	DN650-DN2000
Working pressure	16Bar	10Bar
Shell	24Bar	15Bar
Seal	18Bar	11Bar
Operating Temperature	-45°C~+150°C
Operating Environment	Ballast and bilge system Chemical processing Desalination plants Drilling rigs Drinking water Dry powder Food and beverage Gas plants HAVC Mining industry Paper industry Sand handling Seawater Sugar industry Thermo technical water treatment Waste water
Driving Method	Hand Lever Worm Gear Electric Pneumatic

Executive Standards

Design Standard	EN 593, MSS SP67, API 609, BS 5155
Inspection & Test	API 598, ISO 5208, EN 12266
End Standard	ANSI B16.1 CL. 125LB & B16.5 CL. 150LB
	AS 2129 Table D & E
	BS 10 Table D & E
	DIN 2501 (PN6, PN10, PN16)
	EN 1092 (PN6, PN10, PN16)
	ISO 2531 (PN6, PN10, PN16), 7005 (PN6, PN10, PN16)
	KS B / JIS B 1511 / 2210 (5K & 10K)
	MSS SP44 CL. 150LB
	AWWA C207
	SABS 1123 Table 1000/3 & Table 1600/3
Face to Face	ISO 5752, EN 558, MSS SP67, API 609, DIN 3202
Top Flange	ISO 5211

Sealing Mechanism of Lug Type Butterfly Valve

The sealing mechanism of a lug type butterfly valve is designed to provide a tight seal, preventing leaks and ensuring efficient operation. The key components of this sealing mechanism include:

Valve Disc

The disc, often made of stainless steel or other durable materials, rotates to open or close the valve. The precision in the design of the disc plays a crucial role in ensuring that the valve seals properly when in the closed position.

Seat

The seat is typically made of elastomeric materials such as EPDM, NBR, or PTFE, which provide a flexible yet tight seal against the disc. The material choice for the seat depends on the application and the type of media flowing through the valve.

Sealing Surface

The contact surface between the disc and the seat is meticulously designed to ensure a leak-tight seal. This surface must be smooth and precisely machined to prevent any gaps that could lead to leaks.

O-Rings and Gaskets

O-Additional sealing elements like O-rings and gaskets are often used in the valve assembly to enhance the overall sealing capability. These components provide secondary seals, ensuring no leakage occurs through the valve body.

Advantages of Lug Type Butterfly Valve

The lug type butterfly valve offers several advantages over other types of valves, making it a preferred choice in many applications:

01/

Isolation Capability

Unlike wafer-type butterfly valves, the lug type valve can isolate sections of the pipeline, making it ideal for maintenance and repair tasks.

02/

Durability

The robust design of the lug butterfly valve ensures long-lasting performance, even in harsh environments. The use of high-quality materials for the disc and seat enhances its durability.

03/

Versatility

This valve type is compatible with various drive options, including pneumatic and electric actuators, allowing for remote operation and automation in industrial systems.

04/

Easy Installation

The threaded inserts on the valve body facilitate easy installation and removal without the need for nuts, reducing the complexity and time required for installation.

FAQ

Q: Do you have any agent or representative abroad?

A: Yes, we have agents in some countries, they can offer local service for you.

Q: What kinds of valve can you supply?

A: We can supply butterfly valve, ball valve, check valve and so on.

Q: Do you have any certificate for the valves?

A: Yes, we have CE, BV, ATEX, TS and so on.

Q: What's the delivery time?

A: If all the parts of the valve are ready in stock, the valves can be delivered within 7~10 days.

Q: What are the countries or regions you supply valves?

A: ABC valves have been supplied to USA, Europe, Australia, Singapore, South Africa and so on.

We're well-known as one of the leading lug butterfly valve manufacturers and suppliers in China. Please feel free to buy high quality lug butterfly valve at competitive price from our factory. For more information, contact us now.

Fully Lugged Butterfly Valve, Lug Style Valve, Tapped Lug Butterfly Valve