Flanged Butterfly Valve Manufacturers

As reputed flanged butterfly valves manufacturer and supplier in the valve industry, TWT is specialized in the research, development, and producing of various flanged type butterfly valves. With their expertise in valve R&D and manufacturing, TWT’s ductile iron butterfly valve factory is committed to producing high-quality butterfly valves designed for various industrial applications.

Flanged butterfly valves from TWT are meticulously engineered to provide efficient flow control and reliable sealing. These valves are designed with a flange bolt connection, allowing for easy installation and secure attachment to the piping system.

Product Description

 

Basic Information

Driving Mode Manual Connection Form Flange
Structure Double-Eccentric Sealing Seal Form Auto 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 Casting Standard API609/DIN3354/BS5155/En593
Application Industrial Usage, Water Industrial Usage, Household Usage OEM&ODM Customer Request
Factory History 65 Production History Operation Worm gear
Size DN1400 Pressure Pn16
Design En593 Flange Drilling En1092 Pn16
Face to Face En558 13 Series Coating Epoxy
Materials Ductile Iron Certification ISO/CE/BV
Warranty 18 Monthes Transport Package Export Plywood Box

 

Product Description

Nominal Diameter: DN150-DN3600
Nominal Pressure: 10Bar/16Bar/Class 150
Design Standard: API609/EN593/BS5155/DIN3354
Face to face: ASME B16.10,EN558,DIN3202,ISO5752
Flange Connection: ASME B16.1 / ASME B16.47, AWWA C207, EN1092/BS4504
Inspection and Test: EN12266-1/API 598/ISO5208
Top flange: ISO5211

Material List:

1. Body:Ductile Iron: ASTM A536 / GGG40
2. Disc: ASTM A536 / GGG40
3. Stem :Stainless Steel: ASTM A182 304/316/431 / Duplex Stainless Steel

Other Description

Installation without restriction in direction of flow.
Reduced weight and overall dimensions.
Low pressure loss and reduced energy costs.
High KV / CV values.
Easy to clean and disinfect for potable water systems etc.
Self cleaning (no residue will be trapped).
Good resistance to corrosion.
Manul , electric actuator , pneumatic actuator , hydraulic actuator , bare shaft is optional
Wate , drinking water , portable water , Oil , sea water , gas are all available working service.
Size is from DN150-DN3600

Technical Specification

No Item Standard
1 Design and manufacturing   Standard API609/EN593/BS5155/DIN3354
2 Pressure-Temperature Rating PN6,PN10,PN16, Class125, Class150
3 Structure length(Face-Face) ASME   B16.10,EN558,DIN3202,ISO5752
4 Flange Ends ASME   B16.1 /ASME B16.47,AWWA C207,EN1092/BS4504ASME B16.1 /ASME B16.47,AWWA   C207,EN1092/BS4504
5 Inspection&Test API598, EN12266-1
6 Connection Flange type
7 Fluid medium Water, Oil, Gas and various   corrosive media,drinking water ,portable water , sea water
8 Operation option Worm Gear,electric and   pneumatic control device.
9 Applicable size DN100 ~ DN3600
10 Using temperature -10ºC ~ 150ºC
11 Normal Pressure(Mpa) PN1.0 ~   2.5MPa(Class150,Class300)
12 Connection standard ANSI·DIN·API·ISO·BS
13 Warranty 18 monthes

 

Main Material

No Part Material No Part Material
1 Body DI(A536 65-45-12),GGG40,GGG50 2 Disc DI(A536   65-45-12),GGG40,GGG50/Aluminum bronze,duplex stainless steel
3 Up/ Down Shaft Stainless Steel(304,416,   420,431) duplex stainless steel 4 Disc Sealing Ring EPDM, NBR
5 Body Sealing Ring EPDM, NBR 6 Taper pin Stainless   Steel(304,416,420,431)
7 Up/ Down Shaft sealing Ring NBR 8 Up/Down Bushing DF-1
9 Disc Sealing Steel Ring SS316 10 Key Steel
11 Packing NBR 12 Yoke DI(A536 65-45-12)

Company Profile

Our Advantages

• More than 60 years of valve production experience
• with advanced processing equipment
• large testing laboratories
• and sufficient raw material reserves

FAQ

Q1.Whether it is a factory?
A:yes, we are China’s leading valve manufacturer and supplier with more than 60 years of valve production experience since 1956
Q2.Can i have any own customized product?
A:yes you are customized requirements for standard,size,colour,packing,nameplate,mark,etc
Q3.Do you provide samples?
A:yes we can provide the samples but do not pay the charge of freight
Q4.What’s your terms of payment?
A:30% in advance 70% balance before shipment
Q5.Is there any testing equipment
A:Yes, we have pressure testing equipment, and large-scale laboratories and non-destructive testing equipment