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Check Valves
DK-LOK V33B Series Poppet Check Valve, 3000 psi, 3/8" Tube OD Connections, SS316, V33B-D-6T-1/3-S
DK-LOK

DK-LOK V33B Series Poppet Check Valve, 3000 psi, 3/8" Tube OD Connections, SS316, V33B-D-6T-1/3-S

Mfr. part no.
V33B-D-6T-1/3-S
SKU
DK-SSCV-3K-06

Specifications

Series V33B
Connection Size 3/8" Tube OD
Nominal Cracking Pressure 1/3 psi
Maximum Pressure 3000 psig
Body Material 316 stainless steel (SS316)
Seal Material FKM (Viton)
Orifice Size 7.1 mm (0.28 in)

Key Features

  • Fixed low cracking pressure designator 1/3 psi for sensitive flow start
  • Spring-loaded poppet helps prevent reverse flow and protects downstream equipment
  • DK-LOK tube fitting end connections for secure tubing installation
  • SS316 body for corrosion resistance in industrial fluids
  • Factory tested for cracking and reseal performance

Description

The DK-LOK V33B series poppet check valve helps protect instruments and process lines by stopping backflow and maintaining flow direction in high-integrity tubing circuits. This fixed-cracking model uses DK-LOK tube fitting end connections and a spring-loaded poppet with FKM sealing for dependable shutoff performance. A compact SS316 construction suits chemical processing, power generation, and oil and gas service where clean, controlled one-way flow is required.

Applications

  • Instrument impulse lines and sampling systems
  • Hydraulic and pneumatic utility circuits
  • Chemical processing and general process tubing
  • Power generation and oil and gas service lines

Documents

  • DK LOK Datsheet-V33B D-6T-13 S

    PDF, 127 KB

  • DK LOK Check Valves-3000 PSI — Catalog

    PDF, 742 KB

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