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Pressure regulators DRA100

Products » Pressure regulators » Series DRA100

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DRA 100 Seriesis the pressure reducing regulator designed to use at the special manufacturing line of ultrahigh pure semi-conductors, bulk gas lines, and other facility lines. In order to use at the semi-conductor hook-up line, etc., regulatorss internal surface is treated to the level of E.P. 10Ra, 5Ra under B. A. grade. A special locking-plate system which DRASTAR has developed and applied for patent (patent no. 10-0753280) is used for the regulator. All the process assembly, welding, testing and washing of this DRA 100 series is carried out and thoroughly managed in the 100-class and 10-class clean room. DRASTAR regulators are designed and manufactured for easier operation by equipping with the DRASTARss own developed push and lock type handle which completely prevents the self-change of pre-set value which can be caused by the vibration from outside or minute vibration at the gas pipeline. You can prevent the self-changing of preset value just by pushing the handle and reset the value freely by drawing the handle. DRASTAR has created and applied patent for this push and lock system for DRASTAR regulators (patent number 10-1086199).


  • - VCR Type Regulator
  • - available for semiconductor applications
  • - Internal surfaces B. A. grade to E. P. 10 Ra, 5 Ra
  • - All performed in class 100 and class 10 clean-rooms
  • - Threadless type
  • - Locking-Plate Seal system(Patent No : 10-0753280)


Each product is manufactured since being taken into consideration of the best safety and easy manipulation. However in order to use the regulator in most safe and effective way, you are recommended to use the actual pressure within the range of its 25% ~ 75%. For making precise, smooth movement and to prolong product life, strongly recommended to make a use within above mentioned range.



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Code Connect. Cv Pressure,
*S *B
DRA100-A025S-LPO-4MS-G0S Male VCR ¼" 0.2 0,1-1,7
DRA100-A050S-LPO-4MS-G0S Male VCR ¼" 0.2 0,1-3,5
DRA100-A100S-LPO-4MS-G0S Male VCR ¼" 0.2 0,1-7
DRA100-A250S-LPO-4MS-G0S Male VCR ¼" 0.2 0,1-17
DRA100-A025S-LPO-4MS-G1S Male VCR ¼" 0.2 0,1-1,7
DRA100-A050S-LPO-4MS-G1S Male VCR ¼" 0.2 0,1-3,5
DRA100-A100S-LPO-4MS-G1S Male VCR ¼" 0.2 0,1-7
DRA100-A250S-LPO-4MS-G1S Male VCR ¼" 0.2 0,1-17
DRA100-A025S-LPO-4MS-G1S-GAUGE Male VCR ¼" 0.2 0,1-1,7
DRA100-A050S-LPO-4MS-G1S-GAUGE Male VCR ¼" 0.2 0,1-3,5
DRA100-A100S-LPO-4MS-G1S-GAUGE Male VCR ¼" 0.2 0,1-7
DRA100-A250S-LPO-4MS-G1S-GAUGE Male VCR ¼" 0.2 0,1-17
DRA100-A025S-LPO-4MS-G2S Male VCR ¼" 0.2 0,1-1,7
DRA100-A050S-LPO-4MS-G2S Male VCR ¼" 0.2 0,1-3,5
DRA100-A100S-LPO-4MS-G2S Male VCR ¼" 0.2 0,1-7
DRA100-A250S-LPO-4MS-G2S Male VCR ¼" 0.2 0,1-17
DRA100-A025S-LPO-4MS-G2S-GAUGE Male VCR ¼" 0.2 0,1-1,7
DRA100-A050S-LPO-4MS-G2S-GAUGE Male VCR ¼" 0.2 0,1-3,5
DRA100-A100S-LPO-4MS-G2S-GAUGE Male VCR ¼" 0.2 0,1-7
DRA100-A250S-LPO-4MS-G2S-GAUGE Male VCR ¼" 0.2 0,1-17