Caliber:DN150~DN2000
Material: Carbon Steel, Stainless Steel, Alloy Steel
Connection forms: Butt welding
Inspection and test:API 598, GB/T 13927
Pressure temperature level: PN16~PN100
Drive mode:Worm gear , electric, pneumatic, hydraulic, Handle
Pressure: PN16~PN100
The Butt-Weld Hard Seal Butterfly Valve is designed to provide superior sealing performance in demanding industrial applications. With its advanced design, the valve is constructed with a hard-seal mechanism that ensures reliable operation under high-pressure and high-temperature conditions. Ideal for critical services in pipelines, this valve features a robust construction that guarantees long-term durability and minimal maintenance.
The valve’s unique butt-weld connection offers a seamless and leak-proof interface, making it perfect for applications where preventing leakage is critical. Its hard seal design ensures tight shutoff, providing excellent sealing performance and preventing backflow. The valve is engineered to withstand extreme conditions and is suitable for a wide range of industries, including oil and gas, chemical processing, and water treatment.
Model |
D363H-10 |
D363H-10P |
D363H-10R |
|
D363H-16 |
D363H-16P |
D363H-16R |
||
D363H-25 |
D363H-25P |
D363H-25R |
||
D363H-40 |
D363H-40P |
D363H-40R |
||
Work pressure(MPa) |
1.0~4.0 |
|||
Proper temperature(℃) |
≤425 |
≤200 |
||
Suitable media |
Water, oil or non-corrosive media |
Nitric acid medium |
Acetic acid medium |
|
Material |
Body, disc |
WCB |
CF8/304 |
CF3M/316L |
Valve stem |
2Cr13 |
304 |
316L |
|
Body sealing surface |
Surfacing507 |
- |
- |
|
Butterfly sealing surface |
304+flexible graphite |
304+PTFE |
304+PTFE |
|
Filler |
Flexible graphite |
PTFE |
PTFE |
The main shape and connection size
Nominal diameterDN(mm) |
L |
1.0MPa |
1.6MPa |
||
H1 |
H |
H1 |
H |
||
100 |
190 |
280 |
390 |
280 |
390 |
125 |
200 |
300 |
420 |
300 |
420 |
150 |
210 |
320 |
460 |
320 |
460 |
200 |
230 |
370 |
550 |
370 |
550 |
250 |
250 |
420 |
620 |
420 |
620 |
300 |
270 |
500 |
750 |
500 |
750 |
350 |
290 |
530 |
800 |
530 |
800 |
400 |
310 |
570 |
870 |
570 |
870 |
450 |
330 |
600 |
920 |
600 |
920 |
500 |
350 |
680 |
1040 |
680 |
1040 |
600 |
390 |
750 |
1190 |
750 |
1190 |
700 |
430 |
810 |
1290 |
810 |
1290 |
800 |
470 |
905 |
1440 |
905 |
1440 |
900 |
510 |
960 |
1550 |
960 |
1550 |
1000 |
550 |
1010 |
1650 |
1010 |
1650 |
1200 |
630 |
1175 |
1920 |
1175 |
1920 |
1400 |
710 |
1310 |
2170 |
1310 |
2170 |
1600 |
790 |
1460 |
2440 |
1460 |
2440 |
1800 |
870 |
1560 |
2650 |
1560 |
2650 |
2000 |
950 |
1670 |
2860 |
1670 |
2860 |
Nominal diameterDN(mm) |
L |
2.5MPa |
4.0MPa |
||
H1 |
H |
H1 |
H |
||
100 |
190 |
280 |
390 |
280 |
390 |
125 |
200 |
300 |
420 |
300 |
420 |
150 |
210 |
320 |
460 |
320 |
460 |
200 |
230 |
370 |
550 |
370 |
550 |
250 |
250 |
420 |
620 |
420 |
620 |
300 |
270 |
500 |
750 |
500 |
750 |
350 |
290 |
530 |
800 |
530 |
800 |
400 |
310 |
570 |
870 |
570 |
870 |
450 |
330 |
600 |
920 |
600 |
920 |
500 |
350 |
680 |
1040 |
680 |
1040 |
600 |
390 |
750 |
1190 |
750 |
1190 |
700 |
430 |
810 |
1290 |
/ |
/ |
800 |
470 |
905 |
1440 |
/ |
/ |
900 |
510 |
960 |
1550 |
/ |
/ |
1000 |
550 |
1010 |
1650 |
/ |
/ |
1200 |
630 |
1175 |
1920 |
/ |
/ |
1400 |
710 |
/ |
/ |
/ |
/ |
1600 |
790 |
/ |
/ |
/ |
/ |
1800 |
870 |
/ |
/ |
/ |
/ |
2000 |
950 |
/ |
/ |
/ |
/ |
Oil & Gas Industry
Chemical and Petrochemical Industry
Water and Wastewater Treatment
Power Generation
HVAC Systems
Marine and Shipbuilding
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