Measuring 2.60 x 0.93 in., xQR41 Series MicroDot™ Needle Valve features Quick Release clasp that allows removal of fluid body to replace wetted parts in seconds. Pneumatically operated, adjustable valve applies precise micro-deposits as small as 150 µm of low- to high-viscosity fluids onto substrate. With exchangeable modular design, valve can be configured with stroke adjustable or non-adjustable cap, BackPack™ valve actuator, low-profile mounting block, and 90° air and fluid inlet fittings.