Technical Features 
●Size: 2.5"-12", DN65-DN300
●Material Material: 316L/1.4404, ASME BPE 316L 1.4435 NB2 Fe≤0.5%
●Temperature: EPDM -20℃ to +130℃, Depending on the seal material
●Seal: EPDM SILICON FKM FFKM HNBR FVMQ NBR
●Connection standard: DIN SMS ISO IDF RJT BS4825 ASME BPE 3A DIN11864 DIN11853
●Connection method: clamp, welding, flange, tank bottom flange
●Drive mode: manual, pneumatic, electric
●Surface: Ra≤0.8μm; MP=Ra≤0.3μm; EP=Ra≤0.3μm
●Certification: FDA 177.2600; 3A-18-03; Glass II USP Glass VI Chapter 88; GB4806.11; EG VO/1935-2004; PED/97/23/EC   

Small friction Long life Easy to clean Easy to disassemble Pressure can be adjusted Suit for vacuum Powder system solution

Powder solid butterfly valve
DJ-DF-F butterfly valve is mainly designed and used for all kinds of container equipments of powder, granule, capsule.etc.  This butterfly valve have characteristics, which the normal butterfly don't have, such as small torque, no much friction when seal open and close, long life, no seal powder fall off, short valve body, bear pressure can be adjusted. This valve can be disassembled, maintained and cleaned without professional tool. It is safe, reliable and lower cost. Easy operation, manual, pneumatic and motor-driven configuration valve can be interchanged.