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MKS

Brooks 5835-B1G5E1 MKS 251-1000 Mass Flow Control Valve 1000 SCCM Air 1/16 FNPT

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SKU:
48448
MPN:
251-1000
Condition:
Used
Availability:
Usually ships within 1-2 business days.
Weight:
3.00 LBS
Shipping:
Calculated at Checkout
  • Brooks Instrument 5835-B1G5E1 mass flow control valve — front-left view showing valve body, solenoid actuator, and blue connector wiring
  • Brooks 5835-B1G5E1 MKS 251-1000 mass flow control valve — rear label showing Gas: AIR, Range: 0-1000 SCCM, and serial number plate
  • Close-up of MKS 251-1000 valve label showing Type 251-1000, Range 1000 SCCM, and part number 22426-1 — Made in USA
  • Brooks Instrument Div Emerson Electric Co model label showing model number 5835-B1G5E1 on valve body
  • Bottom label detail of Brooks 5835-B1G5E1 showing Gas: AIR, Range 0-1000 SCCM, and serial number 8112H36276/10
  • MKS 5835B1G5E11000 SCCM AIR Mass Flow Control Valve 1/16" FNPT 251-1000
$60.00
Was: $90.00
Current Stock: 1

Sold Out

Description

Brooks 5835-B1G5E1 MKS 251-1000 Mass Flow Control Valve 1000 SCCM Air 1/16 FNPT

This is a compact inline mass flow control valve manufactured by Brooks Instrument, a division of Emerson Electric Co. It regulates air flow up to 1000 SCCM and connects via 1/16" FNPT ports.

Specifications & What's Included

  • Model: 5835-B1G5E1 / MKS 251-1000
  • Flow range: 0–1000 SCCM
  • Gas type: Air
  • Port size: 1/16" FNPT
  • Compatible with MKS 250, 651, 252 flow control systems
  • Form factor: Inline valve, compact body
  • Valve only — no accessories included

Applications

Used in semiconductor process gas delivery and vacuum system applications where precise air flow control is required.

Condition: Used
This Brooks Instrument 5835-B1G5E1 / MKS 251-1000 mass flow control valve has been inspected and shows normal wear consistent with prior use. The valve body and port fittings appear intact. It has not been bench-tested at our facility. Please view our photos and reach out with any questions before purchasing.
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Warranty Information

We stand behind every item we sell with a 30-day money-back guarantee. If your item arrives not as described, you may return it within 30 days for a full refund. Please inspect your purchase upon arrival and contact us with any questions.
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Additional Information

Brand:
Brooks Instrument
Model:
5835-B1G5E1
Secondary Model:
MKS 251-1000
MPN:
5835-B1G5E1
SKU:
48448
Condition:
Used – Inspected
Seller Notes:
Valve only — no additional accessories included.
Country of Manufacture:
USA
Form Factor:
Inline Valve / Compact Body
Gas Type:
Air
Flow Range:
0–1000 SCCM
Port Size:
1/16" FNPT
Compatible With:
MKS 250, 651, 252 flow control systems
Application:
Semiconductor process gas delivery, vacuum systems
Manufacturer Division:
Brooks Instrument Div, Emerson Electric Co.
Condition Notes:
This Brooks Instrument 5835-B1G5E1 / MKS 251-1000 mass flow control valve has been inspected and shows normal wear consistent with prior use. The valve body and port fittings appear intact. It has not been bench-tested at our facility.
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MKS Brooks 251-1000 mass flow control valve – front three-quarter view showing body label and twisted cable lead Brooks 5835C mass flow control valve – rear view showing N2 gas label, 0–1000 SCCM range label, and 1/16 FNPT port
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MKS Brooks 251-1000 5835C Mass Flow Control Valve 1000 SCCM N2 1/16 FNPT

MKS / Brooks

$40.00
Was: $100.00
MKS Brooks 251-1000 5835C Mass Flow Control Valve 1000 SCCM N2 1/16 FNPT Inline mass flow control valve for nitrogen gas systems. Rated for 0–1000 SCCM with 1/16" FNPT connections. Valve body only;...
48446
SKU:
48446
Availability:
Usually ships within 1–2 business days.
Weight:
3.00 LBS
Brand:
MKS Instruments / Brooks Instrument
Model:
251-1000
Secondary Model:
5835C / 5835C1G5E1
MPN:
251-1000
SKU:
48446
Condition:
Used – Inspected
Seller Notes:
Valve unit only as shown; no controller or fittings included.
Form Factor:
Inline Valve / Compact Body
Gas Type:
N2 (Nitrogen)
Flow Range:
0–1000 SCCM
Port Size:
1/16" FNPT
Application / Use Case:
Mass flow control for semiconductor process gas systems
Compatible With:
MKS mass flow controllers, Brooks MFC systems
Country of Manufacture:
USA
Condition Notes:
This MKS / Brooks 251-1000 (5835C) mass flow control valve has been inspected and shows typical wear consistent with prior industrial use. The body and labels are intact and legible as shown. The valve has not been bench-tested at our facility.
MKS Instruments 1000 SCCM Mass Flow Control Valve 1/16" FNPT 251-100 MKS Instruments 1000 SCCM Mass Flow Control Valve 1/16" FNPT 251-100
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MKS Instruments 251-100 Mass Flow Control Valve 100 SCCM 1/16 FNPT Vacuum Gas

MKS Instruments

$45.10
Was: $125.00
MKS Instruments 251-100 Mass Flow Control Valve 100 SCCM 1/16 FNPT Vacuum GasThe MKS Instruments 251-100 is a compact mass flow control (MFC) valve with a 100 SCCM full-scale flow range. It features...
20306
SKU:
20306
Availability:
Usually ships within 1-2 business days.
Weight:
1.00 LBS
Brand:
MKS Instruments
Model:
251-100
MPN:
251-100
Type:
Mass Flow Control Valve
SKU:
20306
Flow Range:
100 SCCM
Connection Type:
1/16" FNPT
Body Material:
Stainless Steel
Application:
Vacuum Process Gas Delivery, Semiconductor
Country/Region of Manufacture:
United States
Condition:
Used – Inspected and in Good Condition
Seller Notes:
Unit only, as shown in photos. Red wire lead connector present.
Form Factor:
Inline Valve / Compact Body
Review Status:
Auto-Approved (needs review) 2026-07-04
Condition Notes:
MKS Instruments 251-100 Mass Flow Control Valve. Inspected and in good used condition. Stainless steel body intact, solenoid and wire lead connector present. Minor handling marks consistent with lab use.