Loc-Line 1/4" in-line check valve: 21191 pack of 2, 2

It comes in two options: 21191 (pack of 2) and 29451 (pack of 10). The pack contents are check valves.

It in the 1/4" valves group with the 1/4" male NPT, female NPT and in-line valves. Line pressure and flow data for the system are in the specifications.

Where this product is used

• Machine tool coolant supply, applying liquid coolant at the point of contact between the cutting tool and the target metal
• Other uses: the electronic, scientific, graphic arts and woodworking industries, and any job needing adjustable directional flow of fluid, air or vacuum, or third arm positioning

Features

• 1/4" in-line check valve: 21191 is the pack of 2 and 29451 the pack of 10
• Colour suffixes printed for 29451: -BLK (black) and -G (grey), adding a suffix to the part number orders that colour
• Made for the 1/4" system: parts from another hose system do not match it
• System: 1/4" Loc-Line modular hose

Key specifications

Choosing the right option

It comes in two options: 21191 (pack of 2) and 29451 (pack of 10). Choose the pack by quantity: 21191 is the pack of 2 and 29451 the pack of 10. -BLK (black) and -G (grey) against 29451 and a suffix is added to the part number when ordering. Match the valve to the hose system: a 1/4" system part does not fit hose from another system.

Other 1/4" valves: 1/4" male NPT valves (21192, 29452), 1/4" female NPT valves (21193, 29453), 1/4" in-line valves (21194, 29454).

Same-system fittings and tools: 1/4" NPT connectors, 1/4" hose assembly pliers (78001), 1/4" total flow control manifold kit (21198).