Some Popular Two Stage Regulators
Victor
VTS250 series (VTS250 to VTS253)
http://thermadyne.com/victor/produc...e=VEC402200&W5Code=VEC501100&W6Code=VEC600500
http://thermadyne.com/victor/produc...e=VEC402200&W5Code=VEC501100&W6Code=VEC600200
http://thermadyne.com/victor/produc...e=VEC402200&W5Code=VEC501100&W6Code=VEC600600
7-0155
VTS253A-1993 http://www.scientificvisions.com/catalog/product_info.php?cPath=22&products_id=52
VTS450 series (VTS450 to VTS453)
http://thermadyne.com/victor/produc...e=VEC402200&W5Code=VEC501000&W6Code=VEC600500
http://thermadyne.com/victor/produc...e=VEC402200&W5Code=VEC501000&W6Code=VEC600200
http://thermadyne.com/victor/produc...e=VEC402200&W5Code=VEC501000&W6Code=VEC600600
http://thermadyne.com/victor/produc...e=VEC402200&W5Code=VEC501000&W6Code=VEC600700
Victor Specialty Equipment http://www.thermadyne.com/IM_Uploads/DocLib_1175_56-0874.pdf
SGT500 http://www.dmltrading.com.sg/documentation/SGT500.pdf
HPT500 http://www.dmltrading.com.sg/documentation/HPT500.pdf
HPT270 http://www.dmltrading.com.sg/documentation/HPT270-280.pdf
GPT500
GPT270 http://user.chol.com/~noblegas/pdf/GPT%20270.pdf
BHT500
Concoa
212 series http://www.concoa.com/docs/catalogs...0 Series/ADC 3010 AC 212 Series Regulator.pdf
312 series http://www.concoa.com/docs/catalogs...0 Series/ADC 3010 AC 312 Series Regulator.pdf
412 series http://www.concoa.com/docs/catalogs...0 Series/ADC 3010 AC 412 Series Regulator.pdf
316L stainless steel http://www.ckgas.com/Concoa-Gas-Regulators/Dual-Stage/316L-Stainless-Steel.html
Brass http://www.ckgas.com/Concoa-Gas-Regulators/Dual-Stage/Brass.html
8400/9400 http://www.ckgas.com/pdf/concoa/8400_9400.pdf
6520 http://www.ckgas.com/pdf/concoa/6520.pdf
Matheson and Harris have some nice two stage regulators. Some are two stage high purity models. Many high purity regulators come with stainless steel diaphragms.
There are rebranded regulators that are made by the various regulator manufacturers. Some names are Nuaire, AGA, Linde, AirGas, etc.
The list above includes just a few of the two stage regulator part numbers. There are many. Hopefully, this list will help some of the people looking for regulators. Fell free to ask about any regulators that you find.
Victor
VTS250 series (VTS250 to VTS253)
http://thermadyne.com/victor/produc...e=VEC402200&W5Code=VEC501100&W6Code=VEC600500
http://thermadyne.com/victor/produc...e=VEC402200&W5Code=VEC501100&W6Code=VEC600200
http://thermadyne.com/victor/produc...e=VEC402200&W5Code=VEC501100&W6Code=VEC600600
7-0155
VTS253A-1993 http://www.scientificvisions.com/catalog/product_info.php?cPath=22&products_id=52
VTS450 series (VTS450 to VTS453)
http://thermadyne.com/victor/produc...e=VEC402200&W5Code=VEC501000&W6Code=VEC600500
http://thermadyne.com/victor/produc...e=VEC402200&W5Code=VEC501000&W6Code=VEC600200
http://thermadyne.com/victor/produc...e=VEC402200&W5Code=VEC501000&W6Code=VEC600600
http://thermadyne.com/victor/produc...e=VEC402200&W5Code=VEC501000&W6Code=VEC600700
Victor Specialty Equipment http://www.thermadyne.com/IM_Uploads/DocLib_1175_56-0874.pdf
SGT500 http://www.dmltrading.com.sg/documentation/SGT500.pdf
HPT500 http://www.dmltrading.com.sg/documentation/HPT500.pdf
HPT270 http://www.dmltrading.com.sg/documentation/HPT270-280.pdf
GPT500
GPT270 http://user.chol.com/~noblegas/pdf/GPT%20270.pdf
BHT500
Concoa
212 series http://www.concoa.com/docs/catalogs...0 Series/ADC 3010 AC 212 Series Regulator.pdf
312 series http://www.concoa.com/docs/catalogs...0 Series/ADC 3010 AC 312 Series Regulator.pdf
412 series http://www.concoa.com/docs/catalogs...0 Series/ADC 3010 AC 412 Series Regulator.pdf
316L stainless steel http://www.ckgas.com/Concoa-Gas-Regulators/Dual-Stage/316L-Stainless-Steel.html
Brass http://www.ckgas.com/Concoa-Gas-Regulators/Dual-Stage/Brass.html
8400/9400 http://www.ckgas.com/pdf/concoa/8400_9400.pdf
6520 http://www.ckgas.com/pdf/concoa/6520.pdf
Matheson and Harris have some nice two stage regulators. Some are two stage high purity models. Many high purity regulators come with stainless steel diaphragms.
There are rebranded regulators that are made by the various regulator manufacturers. Some names are Nuaire, AGA, Linde, AirGas, etc.
The list above includes just a few of the two stage regulator part numbers. There are many. Hopefully, this list will help some of the people looking for regulators. Fell free to ask about any regulators that you find.