
HP704
Model HP 704 is a chrome plated brass single stage regulator for non-corrosive gases for lecture bottles. The Model HP 704 is suitable for: particulate contamination Model HP 704-015-170-A shown Laboratory Lecture Bottle Holders Body Chrome Plated Brass Barstock
- Body
- Chrome Plated Brass Barstock
- Bonnet
- Chrome Plated Brass
- Diaphragm
- 316L Stainless Steel
- Nozzle
- Brass
Features
- Diffusion resistant stainless steel diaphragm
- One-piece encapsulated seat design to protect seat from
- 1 1/2” gauges
- Conforms to CGA E-4 standard for gas pressure regulators
- Relief valve
Materials
| Body | Chrome Plated Brass Barstock |
|---|---|
| Bonnet | Chrome Plated Brass |
| Diaphragm | 316L Stainless Steel |
| Nozzle | Brass |
| Seat | PTFE Teflon |
| Filter | Nickel-Plated Sintered Bronze - Micron |
| Seat Return Spring | PH-17 Stainless Steel |
| Adjusting Knob | ABS Plastic |
Applications & Documents
25 Existing part numbers
- HP704-015-000
- HP704-015-000A
- HP704-015-000A3
- HP704-015-000B3
- HP704-015-170A
- HP704-015-170A3
- HP704-015-170B
- HP704-015-180A3
- HP704-015-180B
- HP704-015-180B3
- HP704-100-000A
- HP704-100-000A3
- HP704-100-000B
- HP704-100-000B3
- HP704-100-170A
- HP704-100-170A3
- HP704-100-170B3
- HP704-100-180A3
- HP704-100-180B
- HP704-100-180B3
- HUS-HP704-015-000-B
- HUS-HP704-015-180A
- HUS-HP704-100-000
- HUS-HP704-100-170B
- HUS-HP704-100-180A
Configure your order
Select the variables exactly as they appear in the manufacturer datasheet. The full part number is assembled automatically.
Delivery pressure
single select · 2 valuesDelivery pressure range; the value in parentheses is the supplied outlet gauge range.source: DELIVERY
Inlet connection
single select · 3 valuesCGA code of the inlet connection, or thread / tube fitting.source: CGA/INLET FITTING
Accessory
single select · 2 valuesAccessory mounted on the regulator outlet.source: CGA/INLET FITTING
Options
multi select · 4 valuesAdd-ons and test certificates — multiple choices allowed.source: ACCESSORIES
Select variables
More from this category
Why GPTech
Since 2000
Multidisciplinary expertise in gas and advanced piping systems.
UHP grade
Products for ultra-high-purity clean-gas systems.
Engineering support
From product selection to installation and maintenance.
Fast response
Professional quotes quickly — via RFQ or WhatsApp.
Applications
We serve hundreds of customers across diverse industrial segments.
Need a quote?
Talk to our engineer and get a fast, professional response.




