High performance hard seal butterfly valve is designed to suit this severe conditions (such as high temperature and pressure) for provide reliable & efficient performance which do not allow the use of rubber seated valves. They can be used in ON-OFF or regulation services. This design allows reduced torques and excellent throttling capabilities of the off-set disc assemblies. The metal-metal seal assures a perfect tightness even at pressure and/ or temperature & pressure changes.

General features

Materials: carbon steel WCB, LCB, stainless steel CF8, CF8M, CF3, CF3M, alloy steel and aluminium bronze etc etc
Size: DN50 Thru DN3000 (2" Thru 120")
Design & manufacturing standard as per API 609 / BS 5155 / EN593 requirements
Pressure Class: Pressure Rating 150# ANSI & 300# ANSI & 600# ANSI
Working temperature:-29 ºC to + 425ºC, With special materials -196°C to + 600°C
Body styles: Wafer type, Lug type and double flanged
Actuators: Manual lever or gear operator, pneumatic actuator, electrical actuator
Design: basic design as per API 609 Calculations according to ASME SEC. VIII , EN-12516-2 ASME SEC. III , ANSI B16.34
Face to face Dimension API 609 /EN 558-1 Series 13 & 20
Body flange: ANSI B16.5, ANSI 150#, ANSI 300#
Drilling PN-10,16,25,40
Testing: API 598
Marking: MSS-SP-25 / EN 99

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