Ultra High Purity Catalog
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Diaphragm Valves Technology for a Better Future

Company Overview Genstar Technologies Company, Inc. (GENTEC®), founded in1969, is a global industry leader in the manufacturing of welding apparatus, pressure regulators, and gas control systems. It is GENTEC®’s mission to provide customers with high quality, value-added products and services that surpass the strictest safety standards. All GENTEC® products are manufactured in an ISO 9001 and ISO 13485 certified facility by our experienced and dedicated workforce, using exquisite craftsmanship in conjunction with computerized automation, stringent quality control, and advanced test...

DIAPHRAGM VALVES

100% Helium Leak Test Connection points at the pressure gauge and body, inlet/outlet connection and body, are arc welded using advanced automated welding machines, effectively preventing leakage, enhancing seal characteristics 316L stainless steel case provides durability German imported Bourdon tubes provide high accuracy and stability Fabricated from 316L stainless steel Multiple connection styles available: Face Seal Male FSR(M), Face Seal Female FSR(F) as well as swivel face seal fittings and tube weld connections Fabricated from high-strength corrosion-resistant 316L stainless steel...

UHP Regulators U21 Series GENTEC U21 Series single-stage regulators are hand adjustable, pressure reducing regulators for applications ranging from non-corrosive, corrosive, and toxic gases. Our metal-to-metal diaphragm to body seal is designed to minimize leakage and to provide excellent accuracy and longevity. 316L stainless steel body Metal to metal diaphragm to body seal Easy front panel and rear bracket mounting Gauge ports are standard with 1/4” face seal male. Internal 1/4” face seal female is also available Fully internal electropolished Cleaned, assembled and packaged for high...

Port Configurations

UHP Regulators U22 Series GENTEC U22 Series single-stage regulators are purge gas, pressure reducing regulators. Applicable to gas system for non-corrosive, corrosive, and toxic gases. Our metal-to-metal diaphragm to body seal is designed to minimize leakage and to provide excellent accuracy and longevity. 316L stainless steel body Metal to metal diaphragm to body seal Easy front panel and rear bracket mounting Gauge ports are standard with 1/4” face seal male. Internal 1/4” face seal female is also available Fully internal electropolished Cleaned, assembled and packaged for high purity...

UHP Regulators U22 Series Dimensions Flow Data U22 SERIES Inlet Pressure Outlet Pressure Inlet / Outlet Connection

UHP Regulators U23 Series GENTEC U23 Series single-stage regulators are ideal purge regulators for low pressure and high purity systems, especially for heavy duty gas flow applications. Our metal-to-metal diaphragm to body seal is designed to minimize leakage and to provide excellent accuracy and longevity. 316L stainless steel body Metal to metal diaphragm to body seal Easy front panel and rear bracket mounting Gauge ports are standard with 1/4” face seal male. Internal 1/4” face seal female is also available Fully internal electropolished Cleaned, assembled and packaged for high purity...

UHP Regulators U23 Series Dimensions Flow Data U23 SERIES Inlet Pressure Outlet Pressure Inlet / Outlet Connection

UHP Regulators U53 Series GENTEC U53 Series single-stage regulators are a threadless, high purity, non-tied diaphragm design. Our metal-to-metal diaphragm to body seal is designed to minimize leakage and to provide excellent accuracy and longevity. Metal to metal diaphragm to body seal Easy front panel and rear bracket mounting Gauge ports are standard with 1/4” face seal male. Internal 1/4” face seal female is also available Internally threadless nozzle assembly Standard fully internal electropolished Designed for very low particle generation Cleaned, assembled and packaged for high purity...

Flow Data Hiuf bran mcurbng W: without gauge 90: 1/4" internal female FSR P: with psi / bar 91: 1/4" swivel female FSR gauge 92: 1/4" swivel male FSR

DIAPHRAGM VALVES DV Series

100% Helium Leak Test Diaphragm design for smooth operation Easy to read status window (Open/Close) Inlet / Outlet Connections u Multiple inlet/outlet connections: FSR, NPT, GENLOK Fabricated from 316L Stainless Steel Fabricated with advanced CNC machines to produce the highest quality of parts Wetted area are electropolished Elgiloy® diaphragm produce metal to metal, leak-proof seal

Diaphragm Valves DV51 Series Suitable for high purity applications Face seal fittings (FSR), NPT or GENLOK connections Internally springless Metal-to-metal diaphragm seals High-cycle life Seat: PCTFE Body: 316L stainless steel Diaphragm: Elgiloy® Maximum leak rate: Body leak rate: 1 x 10-9 atm cc/sec He Valve seat leak rate: 4 x 10-9 atm cc/sec He Proof pressure: 150% of maximum working pressure Burst pressure: 400% of maximum working pressure Maximum operating pressure: 300 psi (20 bar) Minimum operating pressure: vacuum Inlet connection: 1/8”NPT (Female) Normally: closed, open Surface...

Diaphragm Valves DV51 Series Dimensions Handwheel (With Display) Handwheel (Without Display) Face Seal Male Fittings GENLOK Fittings Valve Series Valve Type Working Pressure Inlet / Outlet Connection N: Handwheel (Without display) M: Handwheel (With display) Options Blank: Standard (N/C) NO: Normally open (Pneumatic) 90° switch P: Pneumatic actuator (Normally closed)

Diaphragm Valves DV54 Series Suitable for ultra high purity applications 316L stainless steel enhances weldability and resistance to corrosion Manual or pneumatic actuation are available Face seal fittings (FSR) or butt weld connections Internally springless Metal-to-metal diaphragm design creates a leak resistant seal Control knob includes a window indicating working status (i.e. open or closed) 100% helium leak tested Multiple port configurations available Body: 316L stainless steel Seat: PCTFE, Vespel® Diaphragm: Elgiloy® Maximum leak rate: Body leak rate: 1 x 10-9 atm cc/sec He Valve...