TSI offers our Stainless Steel and Carbon Steel Needle Valves in both 1/4" and 1/2" NPT configurations. Featuring a Female x Female connection and a Teflon Packing and Backup Ring, the TSI Flow Products Needle Valve is ready for service.
Stainless and Carbon Steel Needle Valves FxF

COMPONENT MATERIALS | ||
---|---|---|
ITEM | CARBON STEEL | STAINLESS STEEL |
BODY | CARBON STEEL | SS316 |
BONNET | CARBON STEEL | SS316 |
STEM | SS304 | SS316 |
PACKING NUT | CARBON STEEL | SS316 |
FIXING SCREW | CARBON STEEL | SS316 |
HANDLE | CARBON STEEL | SS303 |
HANDLE FIXING SCREW | CARBON STEEL | SS302 |
PACKING | TEFLON | TEFLON O-RING |
BACK UP RING | TEFLON | TEFLON |
BACK UP RING | TEFLON | TEFLON |
DUST CAP | NBR | NBR |
BONNET LOCK PIN | SS303 | SS303 |

NPT | PART # | DESCRIPTION | A | B | C | D | E |
---|---|---|---|---|---|---|---|
1/4" | NVTSI04FF10SS | STAINLESS STEEL F X F 10,000 PSI |
3.859 | 1.496 | 2.953 | 2.244 | 0.197 |
1/2" | NVTSI08FF10SS | STAINLESS STEEL F X F 10,000 PSI |
3.859 | 1.496 | 2.953 | 2.244 | 0.197 |
1/4" | NVTSI04FF | CARBON STEEL F X F 10,000 PSI |
3.859 | 1.496 | 2.953 | 2.244 | 0.197 |
1/2" | NVTSI08FF | CARBON STEEL F X F 10,000 PSI |
3.859 | 1.496 | 2.953 | 2.244 | 0.197 |