Lug Butterfly Valve Soft Seal Ductile Iron Worm Gear manual

• Customization: Available
• Media: Water
• Driving Mode: Worm Gear
• Model NO.: D371
• Connection Form: Wafer
• Structure: Centre Sealing
• Seal Form: Supercharging Pressured Sealed
• Valve Stem: Normal
• Work Pressure: Low Pressure (Pn<1.6mpa)
• Working Temperature: Normal Temperature (-40°C<T<120°C)
• Material of Seal Surface: Soft Sealed
• Valve Body: Di
• Standard: ANSI/BS/DIN/JIS
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Body: Di
• Disc: Di, CF8, CF8m, CF3, CF3m, C594, C598
• Seat: EPDM, NBR, FKM
• Stem: Ss416, Ss420, SS304
• Transport Package: Standard Export Wooden Carton
• Specification: DN40-DN1200
• Trademark: Yuming/OEM/ODM
• Origin: Zhengzhou, China
• HS Code: 8481804090
• Production Capacity: 50000PCS/Month
• Package Size: 100.00cm * 100.00cm * 100.00cm
• Package Gross Weight: 45.000kg

Product Description

 

Product Description

 

Product Advantages

1,The structure is simple and compact, the rotation of 90 °is quickly to open and close, and the service life is long. The side flange can meet the PN10, PN16, 150Lb and 10K flanges;

2,All products can provide the pressure test: All Yuming  products can provide the pressure test report before leaving the factory.

3,High performance seat rubber: The rubber content is 50%, and the switch life is more than 30000 times

4,Axial seal: The shaft is supported by 4 oil-free bearings, double seal structure design of oil seal and O-ring, smaller torque and reliable seal;

5,Surface coating: Epoxy powder coating is adopted, with strong adhesion and good weather resistance. It can be used indoors and outdoors.

6,Ductile iron handle: The handle is made of ductile iron, compared with Stamping handle, ductile iron handle is more better strength, stronger corrosion resistance and much more durable. The end handle with half-round structure design, is no edges and corners and feels very good.
 

Design standards
Design and manufacturing standards: GB/T 12238
Structure length standard: GB/T 12221
Test standard: GB/T 13927
Upper flange connection standard: ISO 5211
Flange size standard: GB/T 17241.6, ASME B16.5, ASME B16.47,
ASME B16.1, JIS B2220

Technical Specification:

Valve Design: BS EN593/BS5155/API609/DIN3354
Face to Face: ISO 5752-20/BS EN558-20/API609
Flange Drilling: ASME B16.1 Class125/ASME B16.5 CL150/ASME B16.47 CL150/ DIN 2501 PN10-16/EN1092 PN10-16/JIS10K
Hydraulic Test: EN12266-1/API 598/ISO5208/JIS B2003
Shell Test Pressure: 24 bar/15 bar
Sealing Test Pressure: 17.6 bar/11 bar

Specifications:
Body Materials: Cast Iron, Ductile Iron
Disk Materials: Ductile Iron, Stainless Steel, Nylon 5/11 Coated Ductile Iron, Aluminum Bronze, Stainless Steel, Hastelloy, Halar Coated Ductile Iron
Stem Materials: Carbon steel, Stainless Steel, Monel
Seat Materials: BUNA-N (NBR& Nitrile), EPDM, HTEPDM,FKM, white Seats for food applications
Applications:  Potable Water, Wastewater, HVAC, Irrigation, Metallurgy, Power Generation, Marine, Oil & Gas, Pulp & Paper, Bulk Solids, Mining, Food & Beverage,Dead-End service
Material availability depends on valve size & series. Other materials are available. Please consult to us or your local AVANNTO representative for your specific condition.

Face-to-face:
EN 558 Series 20
ISO 5752 Series 20
API 609 Table 1

Flange accommodation:
EN 1092 PN 10/16
ASME Class 150
AS 4087 PN 16

Flange Surface Design:
EN 1092 Form A /B
ASME RF, FF

Top flange:
EN ISO 5211

Tightness check:
EN 12266 (Leakage rate A)
ISO 5208, Category 3

Working standard:
EN 593

Temperature range:
-20 °C to + 130°C (depending on pressure, medium and material)

Max. Operating pressure:
max. 16 bar

 

Product Parameters

DN		A	D1	L1	L2	L3	B	PN16		PN10		150LB		φD3	φD4	n1-φd	L
								D1	n-M	D1	n-M	D1	n-M
2″	DN50	42	73.3	54	161	25	9	125	4-M16	125	4-M16	120.7	4-5/8″	65	50	4-8	249
2.5″	DN65	44	86	62	175	25	9	145	4-M16	145	4-M16	139.7	4-5/8″	65	50	4-8	249
3″	DN80	45	100.9	82	181	25	9	160	8-M16	160	8-M16	152.4	4-5/8″	65	50	4-8	249
4″	DN100	51.5	132	99	200	28	11	180	8-M16	180	8-M16	190.5	8-5/8″	90	70	4-10	283
5″	DN125	54	156	114	213	28	14	210	8-M16	210	8-M16	215.9	8-3/4″	90	70	4-10	283
6″	DN150	55	185	129	236	28	14	240	8-M20	240	8-M20	241.3	8-3/4″	90	70	4-10	283
8″	DN200	59	235	150	260	33	17	295	12-M20	295	8-M20	298.5	8-3/4″	125	102	4-12	390
10″	DN250	66	289	186	292	33	22	355	12-M24	350	12-M20	362	12-7/8″	125	102	4-12	390
12″	DN300	76	341	218	337	33	22	410	12-M24	400	12-M20	431.8	12-7/8″	125	102	4-12	540

Detailed Photos

Certifications

Customer Visits

 

Company Profile

 

Yuming Valve Group Co., Ltd. was found in 1972, covering an area of 82000 square meters industrial park, which was constructed 38000 square meters.
Yuming Valve Group Co., Ltd., a leading industrial valve manufacturing enterprise, is renowned for its exceptional product quality and top-notch customer service. Since its establishment in 1972, we have continually expanded and evolved into a sizable organization with over 700 employees, including more than 80 technical professionals.

We specialize in the research, manufacturing, testing, and sales of valves. Our core product is the ball valve, and in addition, we offer a range of other valve types, including safety valves, butterfly valves, gate valves, globe valves, check valves, and more. Our products find widespread applications in industries such as heating, petroleum, natural gas, chemical engineering, power generation, construction, water supply, and drainage, among others.

At Yuming Valve Group, our mission is to provide advanced valve solutions to our customers. Quality is our foremost priority, and we ensure the excellence of each valve through advanced manufacturing techniques and rigorous quality control systems. Our dedicated technical team is readily available to support our customers and provide comprehensive after-sales service to ensure the smooth installation and operation of our valves.

Whether you are seeking high-quality valve products or require professional technical support, Yuming Valve Group is committed to becoming your trusted partner. We look forward to establishing long-term collaborative relationships and meeting your valve needs and solutions.