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VFD190 Series Variable Priority Flow Dividers VFD190LN250S3 SINGLE PACK | TSK6434-D42

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Description & Features

The WEBTEC VFD190 Series Variable Priority Flow Divider, model VFD190LN250S3, is designed to efficiently control hydraulic actuator speeds by adjusting the flow rate. With a maximum flow capacity of 95 L/min (25 US gpm) and a pressure rating of 420 bar (6000 psi), this flow divider is robust and reliable for demanding industrial applications. It operates effectively within a fluid temperature range of -30 to 120 °C (-22 to 248 °F) and an ambient temperature range of -30 to 50 °C (-22 to 122 °F), making it versatile across various environmental conditions.

Constructed with steel components housed in a cast ductile iron body, the VFD190LN250S3 ensures durability and longevity. The device features porting of 1-5/16" -12UN #16 SAE ORB and is compatible with mineral oils per ISO 11158 standards. It is equipped with NBR/PTFE seals, offering reliable sealing performance. Weighing just 3.75 kg (8.3 lbs), this flow divider is a compact yet powerful solution for precise hydraulic control.

SKU: TSK6434-D42
Supplier Part Number (MPN): VFD190LN250S3

Specifications

Brand
WEBTEC
Brand
Webtec
Pack Size
1.00
UOM
EA
Supplier Part Number
TSK6434-D42
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 - 25
Flow Range (L/min)
0 - 95
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
95 L/min, 25 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 (2)

Question by: Curt W on Apr 5, 2026, 7:01 AM
How much pressure can the VFD190 Series handle?
Answer by: Customer Support on Apr 7, 2026, 7:52 AM
The VFD190 Series is built to withstand a maximum pressure of 420 bar, which is equivalent to 6000 psi.
Question by: Phil H on Dec 27, 2025, 8:27 PM
porting on this is 1-5/16" -12UN #16 SAE ORB -- that fit a standard #16 SAE port block without any adapters?
Answer by: Customer Support on Dec 29, 2025, 10:58 AM
SAE ORB at that thread size is a common standard, so it should drop straight into a #16 SAE port block with no adapter needed. The inlet and outlet are both 1-5/16"-12UN #16 SAE ORB, which is one of the more widely used sizes in mid-range hydraulic circuits. If your block was machined to that spec, you're good to go.