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- Double Eccentric LUG Butterfly Valve 4 Inch
Double Eccentric LUG Butterfly Valve 4 Inch
- Product Name:Double Eccentric LUG Butterfly Valve 4 Inch
- Unit Price:
- Design Standard:BS EN593/BS5155/API609/DIN3354
- FTF Dimension:ISO 5752/BS EN558/API609/ASME B16.10/DIN3202
- Flange Connection:ASME B16.5 /DIN 2501 /EN1092
- Inspection and Test:EN12266-1/API 598/ISO5208
- Delivery Time:15-30days
- Email: info@tjlindustry.com
- Tel: +86-22-28219562
- Fax: +86-22-28219554 ext.8888
Butterfly Valve 4 Inch Product Usage
The butterfly valve is suitable for food, medicine, petrochemical industry, power plant, steel plant, industrial environmental water treatment, high-rise buildings, water supply and drainage pipes, and is an ideal device for regulating flow and cutting off fluid.
Butterfly Valve 4 Inch Product Features
This butterfly valve is absorption and digestion of foreign technology, combined with the domestic users opinions and accumulated experience in production and carefully developed a new generation of products.
1.Using three-dimensional eccentric structure, the body sealing ring adopts multi-layer sealing ring structure, make the butterfly plate valve sealing surface with uniform and reliable contact, can achieve without leaking gas seal.
2.Unique structure, flexible operation, energy saving, convenient, long service life.
3.High temperature resistance, corrosion resistance, wear resistance of three-dimensional eccentric.
Butterfly Valve 4 Inch Standard
| Design and manufacture | Flange connection | Face to face | Test and inspection |
| GB/T 12238、JB/T8527 | GB/T9113、JB/T79、HG20592 | GB/T 12221 | GB/T 13927 |
| API 609 | EN1092-1/2、ANSI/ASME B16.5/B16.47、JIS B2220 | API609、EN558 | API598 |
Butterfly Valve 4 Inch Main technical Parameters
| Nominal diameter | DN(mm) | 50~2000 | 50~500 | |||
| Nominal pressure | PN(MPa) | 0.6 | 1.0 | 1.6 | 2.5 | 4.0 |
| Test pressure | Strength test | 0.9 | 1.5 | 2.4 | 3.75 | 6.0 |
| Sealing test | 0.66 | 1.1 | 1.76 | 2.75 | 4.4 | |
| Gas seal test | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | |
| Leak rate | (Zero leakage or)<0.1xDNmm³/s(Conform GB/T13927 Standard) | |||||
| Applicable medium | Air, water, steam, gas, oil, acid, alkali, salt with weak corrosive medium, etc | |||||
| Drive form | Worm gear drive, pneumatic drive, electric drive, hydraulic drive | |||||
Butterfly Valve 4 Inch Main Parts Material
| Part name | Material |
| Body | Cast steel, stainless steel, chrome molybdenum steel, alloy steel, duplex steel |
| Plate | Cast steel, stainless steel, chrome molybdenum steel, alloy steel, duplex steel |
| Seat | Stainless steel, Stellite etc. |
| Sealing ring | Stainless steel and high temperature resistant asbestos board layers |
| Stem | Stainless steel, chrome molybdenum steel, special material |
| Shaft | Austenitic stainless steel、Nitride |
| Packing | Flexible graphite、PTFE |
| Packing gland | Cast steel,stainless steel |
| Stents | Cast steel,stainless steel |
Send your message to us
TJL INDUSTRY GROUP CO., LIMITED
Tel: 0086-22-28219562
Fax: 0086-22-28219554 ext.8888
Mobile:15022393555
Email: sales@tjlindustry.com
Address: 1-711,XiangNian Plaza, Dongjiang and Neijiang Road Cross, Hexi District, Tianjin China
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