

The Graco 15G767 Collar, Locking Pressure Knob provides precise and secure pressure control for spray systems, ensuring stable performance even under vibration.
The 15G767 COLLAR, LOCKING, PRESSURE KNOB is a precision-engineered component designed to provide secure and repeatable pressure adjustment and locking for high-performance spray systems. It combines a finely machined collar and ergonomic knob to offer accurate control of fluid pressure settings, while the locking mechanism ensures the setting remains stable under vibration, pulsation and jobsite conditions.
This locking pressure knob assembly is used in industrial and commercial spraying equipment where pressure settings must be reliably controlled and maintained. Typically installed on pump heads or manifolds of high-output systems, it allows operators to set the optimum spray pressure and then lock the adjustment in place, preventing unintended changes during operation.
| Specification | Details |
|---|---|
| Part Number | 15G767 |
| Component Type | Locking Collar & Pressure Adjustment Knob |
| Function | Allows setting and locking fluid pressure to prevent drift or misadjustment |
| Construction | Durable machined body with knob and lock-mechanism suitable for high-cycle use |
To install the 15G767 knob assembly, ensure the system is depressurized and safely isolated. Remove any existing pressure-adjustment knob, clean the mounting interface, and screw the new collar into place until properly seated. Turn the knob to the desired pressure setting, then engage the lock collar to prevent movement. After installation, bring the system up to operating pressure and verify that the setting remains stable during operation.
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