The NUPRO SS-4BK-MB-1C is a heavy-duty industrial bellows-sealed valve engineered for leak-tight shutoff and contamination-free service in analytical, process, and pneumatic systems. Its metal bellows isolates the stem threads and actuator from the process fluid, eliminating stem-seal leakage and extending service life in corrosive or high-purity applications.

NUPRO SS-4BK-MB-1C Technical Specifications

Body Material316 Stainless Steel
End Connections1/4 in. Swagelok Tube Fitting
Flow PathStraight, 0.172 in. orifice
Seal TypeMetal bellows, secondary PTFE packing
ActuationManual, knurled handle
Pressure RatingUp to 1,000 psig (69 bar)
Temperature Rating-20 to 400 °F (-29 to 204 °C)
MountingPanel mount, 1/4 in. panel thickness

Key Engineering Features

  • Hermetic metal bellows provides zero stem-seal leakage and isolates process fluid from the actuator.
  • 316 stainless steel body and wetted parts resist corrosion in aggressive media.
  • Swagelok tube fitting ends ensure reliable, leak-tight connections without threading.
  • Manual knurled handle allows precise flow control and positive shutoff.
  • Panel-mount design simplifies installation in instrumentation panels and cabinets.

Industrial Applications

  • Analytical instrumentation and sampling systems
  • High-purity gas and liquid handling
  • Corrosive chemical and petrochemical processes
  • Pneumatic control panels and test stands
  • Research and laboratory fluid circuits

For technical inquiries, dimensional drawings, or replacement support for NUPRO SS-4BK-MB-1C, contact the Pro-Hydraulic engineering team.

PRODUCT IMAGES

NUPRO SS-4BK-MB-1C
NUPRO SS-4BK-MB-1C

NUPRO SS-4BK-MB-1C Bellows-Sealed Valve

⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:

  • Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
  • Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
  • Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
  • Peace of Mind: Covered by our 12-Month Replacement Warranty.

Shop the NUPRO SS-4BK-MB-1C Bellows-Sealed Valve. This precision-engineered industrial component delivers reliable fluid control for heavy-duty systems.

Tested Genuine Surplus / OEM Hydraulic Component
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Tested Genuine Surplus / OEM Hydraulic Component
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