Parker's stainless steel NPT adapters have working pressure ratings from 10,000 psi to 15,000 psi, depending on size.
Stainless Steel Pipe Fitting, Adapter, 1/2 in. Female ISO Tapered x 1/2 in. Male NPT, Adapters, Pipe Fittings, Fittings, All Products
Thread Type 1/8 NPT, Fittings & Adaptors, Gas Management
01D9-8-8C - NPT Adapters
ST262277 Adapter 1/8NPT F to M12 M
ADAPTER, 1/8NPTF (F) TO M12 (M)
⅛” NPT Fittings
Y-adapter 1/8 Npt x 1/8 Npt x 1/8 Npt - Dalhems
Viega ProPress 1 in. Press Copper Coupling with Stop 77431 - The Home Depot
NPT To NPT Block Tee Stainless Steel Adapter1 x Male 1/8 NPT with 5 x Female 1/8 NPT
AF388-01 - 1/8 NPT BLOCK ADAPTER
1/8-27 NPT, Plated Steel Body/Metal Adapter/Nickel Plated Steel Sheath, Bayonet Adapter - 5ZY30
01D9-8-8C - NPT Adapters
⅛” NPT Fittings
PI051222S 3/8 Stem x 1/4 Male Threaded Stem Adapter, John Guest Quick Connect Fittings
3/8 Quick Disconnect Adapter with 1/8 NPT Port
