MHP-21 The stem supports smooth valve

The stem supports smooth valve cycling and is essential for system rebuilds and maintenance

backup rings (refer to FLW page for full content list) Materials OEM elastomers and rings for high-pressure use Weight ~0

Interchanges with 400-61 and 4BC4

Their robust design promotes longevity and ultimately

Rotatable threaded stud allows 360 positioning post-installation

MHP-21 The stem supports smooth valveDescription The Haskel MHP 21 is a compact, manually operated version of the M Series liquid pump designed for clean, controlled hydraulic applications. With a 21: 1 ratio (actual around 25: 1), it delivers up to 2,600 psig using manual leverage rather than air, ideal for portable pressure testing, calibration setups, or small volume fluid transfer. The spring return mechanism includes a stall at pressure feature holding preset pressure without