Extended grease injection valve with lengthened stem, perfect for deep buried and narrow installation positions of valve stems. Built-in check ball seal to stop grease leakage, stainless steel/carbon steel material optional, customizable thread size
Product Specification:1. Extended stem design, suitable for deep & narrow mounting positions
2. Detachable protective cap, effectively block dust, water and rust
3. Built-in check ball, one-way seal, no grease backflow
4. High pressure resistant, match API industrial valve & wellhead lubrication