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VFC Series Variable Flow Pressure Compensated Control Valve VFC40-K-J | TSK3018-3

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Description & Features

The WEBTEC VFC Series Variable Flow Pressure Compensated Control Valve, model VFC40-K-J, offers precise flow regulation from 2 to 40 L/min (0.5 to 10 US gpm), making it ideal for demanding hydraulic applications. Designed to function optimally under pressures up to 210 bar (3000 psi), this valve ensures consistent performance even in challenging environments. Constructed with an aluminum body and carbon steel internals, the valve is durable and reliable, while NBR and PTFE seals provide excellent fluid compatibility and longevity.

This control valve operates efficiently across a wide fluid temperature range of -30 to 120 °C (-22 to 248 °F) and ambient temperatures from -30 to 50 °C (-22 to 122 °F). It is compatible with mineral oils conforming to ISO 11158 standards, and the 3/8" BSPP porting allows for straightforward integration into existing systems. With a lightweight design of 0.4 kg (0.9 lbs), the VFC40-K-J is both easy to handle and install, offering a robust solution for precise hydraulic flow control.

SKU: TSK3018-3
Supplier Part Number (MPN): VFC40-K-J

Specifications

Brand
WEBTEC
Brand
Webtec
Pack Size
1.00
UOM
EA
Supplier Part Number
TSK3018-3
Ambient Temperature
-30 to 50 °C, -22 to 122 °F
Body Materials
Aluminium
Compatible Fluid
Mineral oils to ISO 11158
Flow Range (US gpm)
0.5 - 10
Flow Range (L/min)
2 - 40
Fluid Temperature Range
-30 to 120 °C, -22 to 248 °F
Gross Weight
0.4 kg, 0.9 lbs
Internal Materials
Carbon Steel
Maximum Rated Flow
40 L/min, 10 US gpm
Max Rated Pressure
210 bar, 3000 psi
Net Weight
0.4 kg, 0.9 lbs
Porting
3/8" BSPP
Seals
NBR / PTFE
Product Weight
0.99 lbs

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Product Questions & Answers (2)

Question by: Cheryl K on Mar 6, 2026, 6:18 PM
seals are NBR and PTFE on this thing -- are those gonna hold up okay running standard mineral hydraulic oil day in day out?
Answer by: Customer Support on Mar 8, 2026, 7:27 AM
NBR and PTFE are a solid combination for mineral oil service. NBR handles petroleum-based fluids well under continuous exposure, and PTFE adds chemical resistance where needed. As long as you're running mineral oils that meet ISO 11158, the seal package on this valve is well suited for regular industrial use. Fluid temperature can run anywhere from -30 up to 120 °C, so even warm return lines or outdoor winter startups fall within range.
Question by: Stan T on Jul 14, 2025, 3:53 PM
How much flow can this VFC40-K-J valve handle at maximum capacity?
Answer by: Customer Support on Jul 15, 2025, 4:04 PM
The VFC40-K-J valve can handle a maximum flow of 40 liters per minute, or 10 US gallons per minute. This makes it suitable for a range of hydraulic systems requiring precise flow control.