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VFD190 Series Variable Priority Flow Dividers VFD190RD200S3 SINGLE PACK | TSK6434-141

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Description & Features

Part of the VFD190 Series, this WEBTEC variable priority flow divider gives operators direct, adjustable control over hydraulic actuator speeds by modulating flow across a range of 0 to 76 L/min (0 to 20 US gpm). The unit is rated to a maximum pressure of 420 bar (6,000 psi), making it well suited to demanding industrial hydraulic circuits.

The body is cast ductile iron finished in black paint with steel internal components and an aluminium adjustment knob. Sealing is handled by NBR and PTFE materials, supporting compatibility with mineral oils conforming to ISO 11158. Fluid temperature is accommodated across -30 to 120 °C (-22 to 248 °F), with an ambient working range of -30 to 50 °C (-22 to 122 °F). Porting is 1-5/16" -12UN #16 SAE ORB. The unit weighs 3.75 kg (8.3 lbs) and is supplied as a single pack.

SKU: TSK6434-141
Supplier Part Number (MPN): VFD190RD200S3

Specifications

Brand
WEBTEC
Brand
Webtec
Pack Size
1.00
UOM
EA
Supplier Part Number
TSK6434-141
Ambient Temperature
-30 to 50 °C, -22 to 122 °F
Body Materials
Steel components in cast Ductile Iron body painted black Aluminium knob
Compatible Fluid
Mineral oils to ISO 11158
Flow Range (US gpm)
0 - 20
Flow Range (L/min)
0 - 76
Fluid Temperature Range
-30 to 120 °C, -22 to 248 °F
Gross Weight
3.75 kg, 8.3 lbs
Internal Materials
Steel components
Maximum Rated Flow
76 L/min, 20 US gpm
Max Rated Pressure
420 bar, 6000 psi
Net Weight
3.75 kg, 8.3 lbs
Porting
1-5/16” -12UN #16 SAE ORB
Seals
NBR / PTFE
Product Weight
0.99 lbs

Related Documents

Product Questions & Answers (1)

Question by: Neil R on Dec 3, 2025, 9:03 PM
porting on this one is 1-5/16" -12UN #16 SAE ORB -- does that match up with standard SAE fittings on most hydraulic manifolds?
Answer by: Customer Support on Dec 4, 2025, 10:09 PM
SAE ORB ports are pretty common on industrial manifolds, so there's a good chance you're already working with compatible hardware. The 1-5/16"-12UN #16 size is a specific thread class though, so it's worth double-checking your manifold port markings before assuming a straight swap. If your existing lines terminate in #16 SAE ORB male fittings, you're in good shape without needing adapters.