Butterfly Valve 4 inch Structure and Feature:
1. Bi-directional tightness.
2. Small in size and light in weight. Easy installation and maintenance. It can be mounted wherever needed.
3. Simple and compact construction, quick 90 degree on-off operation.
4. Minimized operating torque, energy saving.
5. Flow curve tending to straight line. Excellent regulation performance.
6. Long service life. Standing the test of tens of thousands opening/closing operations.
7. Bubbles-tight sealing with no leakage under the pressure test.
8. Wide selection of materials, applicable for various medium.
Butterfly Valve 4 inch Main Performance Spcification
Nominal diameter | DN40-DN1200 | DN40-DN1200 | DN40-DN300 | |
Nominal pressure | 1.0 | 1.6 | 2.5 | |
Test pressure | Seal | 1.1 | 1.76 | 2.75 |
Shell | 1.5 | 2.4 | 3.75 | |
Applicable temperature | -10℃~100℃ | |||
Applicable medium | Water, sewage, air, steam, food, medicine, various, oils, acids, alkalis, salts,etc. |
Butterfly Valve 4 inch Main Part Materials
Part name | Material |
Body | Ductile iron, cast iron, cast steel, stainless steel |
Plate | Ductile iron(surface treatment: nickel plating, spray N11, fully lined with EPDM, fully lined with PTFE), CF8, CF8M, copper alloy, Monel, duplex steel, etc |
Stem | SS410、SS416、SS431、SS304、20Cr13 |
Seat | EPDM, NBR, natural rubber, Viton, silicone, PTFE, etc. |
O-Ring | EPDM, NBR |
Bushing | PTFE, bronze |
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