Details

---

Tech Master GPT400 Series
4.5 Purity Two Stage Brass Barstock Diaphragm Cylinder Regulator

The Tech Master GPT400 Series two stage diaphragm cylinder regulators are designed for primary pressure gas control of of non-corrosive or toxic, technical gases up to grade 4.5 purity (99.995%), on applications where constant delivery pressure is required as the cylinder pressure decreases.
■ GPT401 Series | Two Stage Diaphragm Cylinder Regulator, FKM Seal
■ GPT402 Series | Two Stage Diaphragm Cylinder Regulator, EPDM Seal

Features 
■ Five port configuration
■ Encapsulated seat design
■ Low wetted surface area
■ Full range of inlet and outlet fittings
■ Base and side entry

Material
■ Body Brass Barstock
■ Bonnet High Strength Alloy
■ Diaphragm Polychloroprene (Neoprene®) (CR)
■ Valve Seat Polyamide (Nylon®)
■ Seal FKM / EPDM
■ Filter 10 Micron 316L Stainless Steel

Specification
■ Maximum Inlet Pressure 60 bar (870 PSI)/ 300 bar (4350 PSI)*
■ Delivery Pressure Range 1.5 bar (22 PSI)
■ Gauges 50mm (2”) Diameter
■ Ports 1/4” NPT Female
■ Temperature Range -20° C to +60° C (-4° F to +140° F)
■ Flow Coefficient (Cv) 0.079
■Weight 1.8 kg (4.0 lbs)** EN ISO 2503 Compliant

* Subject to cylinder connection – ** Cyliner connection not included