HDH100 Series-Brass Double Offset High Performance Butterfly Valve
Features
Size Range:2 " -120" (DN50 - DN3000)
Temperature :-46°C ~565°C
Design temp.:API609、ASME B16.34
Pressure: 150LB~600LB
PN10~PN63
Face to face: ASME B16.10、API609、DIN
Test standard：ASME FC170.2、API598
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Parameter
1. Nominal diameter:
2″-120″(inch)
DN50-DN3000(mm)
2. Connection type:
Wafer
LUG
Double Flange
Butt Welding
3. Pressure class:
ANSI Class 150Lb
ANSI Class 300Lb
ANSI Class 600Lb
4. Driving mode:
Manual
Bare stem
Worm gear transmission
Pneumatic
Electric
5. Body material:
Carbon steel
Stainless steel CF8
Stainless steel CF8M
Stainless steel CF3
Stainless steel CF3M
6. Stem material:
Stainless steel 17-4PH
304
316
410SS
420SS
7. Butterfly plate material:
CF8
CF8M
CF3
CF3M
8. Seal of the seat material:
PTFE
RPTFE
Para-phenyl PPL
Summary
Unique seat design, Superior Performance
The unique snap ring of valve seat offer the live load, can effectively compensate the gap of medium temperature and pressure, and wear. No need to add O-rings or metal parts to keep the seal. At the same time, when the lip seal seat contacts with the disc, it can maintain a uniform and continuous sealing line to achieve long-term reliable sealing, the bi-directional leakage class is ANSI VI;
The valve seat is installed on the valve body through interference insert, and ex-works after the pressure sealing test approved, when the valve is installed on the pipeline , the pipeline installation force is beneficial to better valve body sealing and seat sealing, and the valve seat can be replaced without disassembling the buttergly valve disc and stem, which greatly reduces the maintenance.
