Premier Control Technologies Fluid Solutions
Premier Control Technologies has partnered with Drastar in the UK since 2021, supplying analytical‑grade and ultra‑high‑purity (UHP) pressure control to laboratories, OEMs and industrial sites across the country.
Founded in 1996 in Seoul, Drastar has grown into a specialist manufacturer focused on high‑reliability pressure regulators, back‑pressure solutions, auto‑changeover systems and UHP components for sectors ranging from semiconductor and aerospace to pharmaceutical and defence. Product development is driven by in‑house innovation—evidenced by patented designs such as the “push‑and‑lock” safety handle and springless tied‑diaphragm architecture—and a long history of new series releases targeting higher flow, higher pressure and cleaner internal finishes.
Drastar heavily invests in process equipment and clean manufacturing infrastructure to meet the latest standards for UHP and industrial service. Assembly, welding, cleaning, helium leak‑testing and packaging are performed in Class‑100 and Class‑10 cleanrooms, following oxygen‑cleaning procedures aligned with CGA 4.1 and ASTM G93; many products are available with electropolished internals (down to 5 Ra), metal‑to‑metal seals and documented leak‑rate certifications—all designed to reduce particle generation and ensure long‑term stability in critical gas systems.
Notable patents & practices you’ll see across the range: Push‑and‑lock handle (prevents accidental set‑point drift), tied‑diaphragm for positive shut‑off, and a springless “wave spring” design in UHP regulators to minimise particle generation over life.
Pressure reducing regulators take a higher, often varying inlet pressure and deliver a lower, steady outlet pressure to protect instruments, ensure repeatable flow and improve yield. Single stage designs are typically used as line/point of use regulators where the inlet is relatively stable; two stage designs are preferred at cylinders because they counteract bottle pressure decay to hold the set point more precisely as the cylinder empties.
Back pressure regulators (BPRs) do the opposite job: they hold a minimum upstream pressure (and relieve when exceeded) to stabilise reactors, maintain loop pressure in test stands, or protect pumps and membranes. Selection normally starts with media (gas/liquid, purity, corrosivity), inlet/outlet pressures, required Cv/flow, materials, and where applicable surface finish and connection style (NPT, BSP, metal face‑seal, lok weld). Drastar’s portfolio spans all of these needs, with common features such as 150% design proof pressure and clean room assembly across the range.
072 Series — single stage low pressure regulator (¼″ NPT): A compact line regulator for gases or liquids with inlet up to 210 bar, outlet ranges to 35 bar, and optional self venting. Available in brass or 316L SS with push and lock handle to secure the set point.
082 Series — high pressure regulator (¼″ NPT): Cylinder service regulator with 420 bar inlet and outlet ranges up to 310 bar; standard Cv 0.06 (optional 0.2). Ideal for high purity and corrosive gases; panel or wall mounting accessories available.
092 Series — high flow, low pressure regulator (½″ NPT): Designed for bulk and line regulation where flow counts, the 092 delivers Cv 1.0 with outlet ranges to 35 bar. Body and diaphragm in 316L SS (Hastelloy options) plus the push and lock handle for stability.
DR60 Series — general purpose regulator (¼″ NPT): An economical single stage regulator for general plumbing and industrial gases with outlets up to 14 bar (Cv 0.2). Nickel plated brass body with stainless internals balances durability and value.
DR70 Series — high flow industrial regulator (½″–1″ NPT/BSP): Pipeline regulator for gases or liquids with Cv 3.5 and inlets to 420 bar; outlet ranges up to 350 bar. The “drop preventing” design improves outlet stability where inlet fluctuates.
DR90 Series — DI water & gas regulator (⅜″–1″ NPT): Built for deionised water and industrial gases, DR90 offers Cv 4.0 with inlet up to 42 bar and outlet to 15 bar. A robust 316L stainless steel body ensures long service in utility lines.
DR110 Series — very high flow regulator (½″–1″ NPT/BSP): For wafer/DI water or gas distribution where Cv 5.0 is needed; inlets to 250 bar with outlet ranges up to 20 bar. Available in brass or 316L SS with multiple connection and mounting options.
077 Series — back pressure regulator (¼″ NPT): Maintains upstream pressure in water, chemicals or gases with controlled ranges of 2/5/10/20 bar (Cv 0.2). 316L SS body, optional Hastelloy C 22 diaphragm and high temperature variants.
085 Series — hydraulic/high pressure regulator: Piston sensed design for liquids and gases with inlet and controlled pressures up to 700 bar; Cv 0.06 (optional 0.2). Built in 316L (Duplex optional) for tough hydraulic duties.
088 Series — high pressure back pressure regulator: Holds upstream set points to 700 bar with standard Cv 0.05 (high flow 0.6) and ¼″ or ½″ NPT ports. Suited to chemical and water services where precise relief is essential.
2000 Series — two stage cylinder regulator (¼″ NPT): Two stage reduction gives stable outlet as cylinder pressure decays; inlet to 250 bar with outlet ranges 2–20 bar. Standard Cv 0.06, optional 0.2, in 316L SS or brass.
2200 Series — UHP two stage regulator (¼″ metal face‑seal / HPIC): Electropolished interiors (5/10/25 Ra) and 316L/316L VAR construction for semiconductor and specialty gases. Inlets to 250 bar, outlet ranges to 15 bar, cleaned and packaged in Class 100/10 cleanrooms.
DRA100 Series — UHP single stage regulator (¼″–¾″ metal face‑seal/Threadless): High purity line regulation with surface finishes down to 5 Ra, inlet to 210 bar and wide outlet ranges. Available threadless to limit particle traps; multiple Cv options (0.06–1.2).
DRA200 Series — UHP tied diaphragm regulator: Adds positive shut off and diaphragm protection for toxic/pyrophoric gases; BA/EP finishes to 5 Ra. Inlets to 210 bar, outlet ranges to 17 bar, with metal face‑seal process connections.
DRA500 Series — UHP tied diaphragm, springless regulator: Designed for gas cabinets and VMBs, using Drastar’s patented springless “wave spring” to minimise long term particle generation; leak integrity to <1×10⁻⁹ atm cc/s He. Inlets to 250/151/42 bar, outlet to 10.3 bar, Cv 0.5 (optional 1.0).
DRA700 Series — UHP lock type (lok welded) regulator: Economical UHP solution with lok welded connections and BA 25 Ra finish for hook up lines and bulk gas distribution. Inlets to 210/42 bar, outlets to 17 bar, with push and lock safety handle.
AC700 Series — automatic changeover system: Wall mounted A/B cylinder changeover that keeps supply continuous when one side is depleted; inlets to 250 bar, outlet ranges 0.1–20 bar. Stainless steel or brass builds, Cv 0.2, and optional Hastelloy diaphragm.
AC720 Series — next generation changeover system: An upgraded AC platform with integrated filtration, check valves and optional core valves/hoses to simplify install and service. Same 250 bar inlet/ 0.1–20 bar outlet ranges, engineered for clean room gas systems.
DVS Series — UHP “core valve” (diaphragm/bellows manifold): A patented hybrid seat design that combines the benefits of diaphragm, bellows and needle valves for precise shut off and control in UHP lines. Offered with AP/BA/EP finishes, metal face‑seal/lok/NPT connections and pressure classes up to 700 bar.
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