Description

Drastar DRA100 Series Pressure Regulator is an UHP low pressure reducing regulator with B.A. 25Ra, E.P. 10Ra, or E.P. 5Ra surface finish and applicable for high purity semiconductor manufacturing, specialty gas, and bulk gas lines as well as other facilities. Inlet pressures are 3000psig (210bar) or 600psig (42bar) and outlet pressure are 5psig(0.3bar) up to 250psig (17bar). Drastar DRA100 Series Pressure Regulator body is all 316L stainless steel with options available offering various Ra finishes. Diaphragm material is also 316L stainless steel as standard with the option of Hastelloy-C, the diaphragm is non-tied. Seat materials available are PCTFE, Teflon or Vespel.

• 1/4”, 3/8”, 1/2”, and 3/4” VCR type
• Non-tied diaphragm type
• Surfaces finishes to B.A. 25Ra, E.P. 10 Ra or E.P. 5 Ra microinch
• Push and lock type handle (DRASTAR patent #10-1086199) mounted
• Threadless type: enhanced particle prevention by adopting the locking-plate seal system (DRASTAR patent #10-0753280)
• All works of welding, assembly, test and cleaning are performed in class 100 and class 10 clean-rooms
• Design proof pressure: 150% of maximum rated
• Applicable for Semiconductor manufacturing, specialty gases, bulk gas line and other facilities

Key specifications