Kobold VKG Specifications

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Page 1

Viscosity Compensated

Flowmeter and Switch

measuring

•

monitoring

•

analyzing

VKG

● ±5% Full Scale Accuracy

● For High and Low Viscosity Liquids

● Viscosity-Compensated up to Δv=540 cSt

(No Scale Recalibration Necessary)

● Density-Compensated up to Δp=30 lb/ft

● Direct Reading Scales for Oil

● Universal Mounting Positions

● In-line Connections for Easy Installation

● Max. Pressure: 175 PSI

● Brass or Stainless Steel Construction

Available

KOBOLD companies worldwide:

ARGENTINA, AUSTRALIA, AUSTRIA, BELGIUM, BULGARIA, CANADA, CHILE, CHINA, COLOMBIA, CZECH REPUBLIC, EGYPT, FRANCE, GERMANY, HUNGARY, INDIA, INDONESIA, ITALY, MALAYSIA, MEXICO, NETHERLANDS, PERU, POLAND, REPUBLIC OF KOREA, ROMANIA, SINGAPORE, SPAIN, SWITZERLAND, TAIWAN, THAILAND, TUNISIA, TURKEY, UNITED KINGDOM, USA, VIETNAM

05/07-15-2019

KOBOLD Instruments, Inc. 1801 Parkway View Drive Pittsburgh, PA 15205

Main Ofce:

1.800.998.1020

1.412.788.4890 info@koboldusa.com www.koboldusa.com

Page 2

Viscosity Compensated Flowmeter and Switch Model VKG

Description

KOBOLD ﬂowmeter and switches type VKG-6000, VKG

-7000, and VKG-8000 ﬁll an important gap in the high viscosity media measurement ﬁeld. Using KOBOLD’s patented viscosity compensation system, these instruments are largely insensitive to viscosity and density changes during operation. This development in ﬂow and measurement control technology has resulted in an extremely versatile instrument for almost any application.

VKG-7107VKG-6105

Speciﬁcations

Base Accuracy: ±5% Full Scale (Add ±5% Max. for Viscosity Changes Over a 1...540 cSt Range)

Flow Media: Oil, Water, and Other Liquids Mounting: Universal, without Recalibration Measuring Principle: With Float, Spring Loaded Max. Temperature: 212 °F Max. Pressure: 175 PSI Viscosity-Compensated: Up to Δv = 540 cSt with Same

Scale Density-Compensated: Up to Δp = 30 lbs/ft3 with Same Scale

Housing: Anodized Aluminum (non-wetted) Glass: Borosilicate Fittings: Ni-plated Brass or SS 304 Float: Ni-plated Brass or SS 304 Oriﬁce: SS 301 Spring: SS 301 Seals: NBR for Brass Units, FKM

for SS Units

Elect. Switch Housing: Plastic Reed Contact: Standard: N/O, Optional: SPDT

max. 230 VDC/0.26 A/60 W 60 VDC/1 A/60 W max. 240 VAC/0.42 A/100 W 100 VAC/1 A/100 W cCSAus Approved Electrical Connection Standard: DIN 43 650 w/Cable Gland Optional: DIN 43 650 w/1/2" NPT Conduit Ingress Protection: IP65 (Electrical Switch)

Order Details (Example: VKG-7104B)

Range

Oil

(GPM)

0.03...0.12 1/4" 13.1 VKG-6101 VKG-6201 VKG-7101 VKG-7201 VKG-8101 VKG-8201 -

0.05...0.3 1/4" 14.5 VKG-6102 VKG-6202 VKG-7102 VKG-7202 VKG-8102 VKG-8202 1/2"

0.1...0.5 1/4" 14.5 VKG-6103 VKG-6203 VKG-7103 VKG-7203 VKG-8103 VKG-8203 1/2"

0.2...0.9 1/4" 13.1 VKG-6104 VKG-6204 VKG-7104 VKG-7204 VKG-8104 VKG-8204 1/2"

0.5...2.0 1/4" 14.5 VKG-6105 VKG-6205 VKG-7105 VKG-7205 VKG-8105 VKG-8205 1/2"

1.0...4.0 1/2" 14.5 VKG-6106 VKG-6206 VKG-7106 VKG-7206 VKG-8106 VKG-8206 3/4"

1.0...5.0 1/2" 14.5 VKG-6107 VKG-6207 VKG-7107 VKG-7207 VKG-8107 VKG-8207 3/4"

0.5...12 3/4" 5.8 VKG-6108 VKG-6208 VKG-7108 VKG-7208 VKG-8108 VKG-8208 1"

1.0...14 3/4" 14.5 VKG-6109 VKG-6209 VKG-7109 VKG-7209 VKG-8109 VKG-8209 1"

0.5...18 3/4" 16.0 VKG-6110 VKG-6210 VKG-7110 VKG-7210 VKG-8110 VKG-8210 1"

2.0...21 1" 14.5 VKG-6111 VKG-6211 VKG-7111 VKG-7211 VKG-8111 VKG-8211 -

* Not for VKG-8000 Series

Stand.

Conn.

(NPT)

Press.

Drop Max.

(PSI)

Flowmeter

Oil Scale

Brass SS Brass SS Brass SS

Flowmeter and Switch

1 N/O Contact Oil Scale

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Flowmeter and Switch

2 N/O Contacts Oil Scale

Options

Spec. Conn.

(NPT)

Sufﬁx "B"

..C = ½" NPT

Conduit Fitting

..U = SPDT Switch

Contact

..V* = Special

Inlet Fitting for BVB Manifold Mount

No responsibility taken for errors;

subject to change without prior notice.

Page 3

Viscosity Compensated Flowmeter and Switch Model VKG

Description

KOBOLD VKG ﬂowmeters and switches with a side mounted pointer indicator ﬁll an important gap in the high viscosity media measuring ﬁeld, especially when dark color media is to be measured. Using KOBOLD’s patented viscosity compensation system, these instruments are largely insensitive to viscosity and density changes during operation. This development in ﬂow and measurement control technology has resulted in an extremely versatile instrument for almost any application.

VKG-9101

VKG-9105 R

Speciﬁcations

Base Accuracy: ±5% Full Scale (Add ±5% Max. for Viscosity Changes Over a 1...540 cSt Range)

Flow Media: Oil, Water, and Compatible Liquids Mounting: Universal, without Recalibration Measuring Principle: With Float, Spring Loaded Max. Temperature: 212 °F Max. Pressure: 175 PSI Viscosity-Compensated: Up to Δv = 540 cSt with Same

Scale Density-Compensated: Up to Δp = 30 lbs/ft3 with Same Scale

Housing: Anodized Aluminum (non-wetted) Glass: Borosilicate Fittings: Ni-plated Brass or SS 304 Float: Ni-plated Brass or SS 304 Oriﬁce: SS 301 Spring: SS 301 Seals: NBR for Brass Units, FKM

for SS Units

Elect. Switch Housing: Plastic Reed Contact: Standard: N/O, Optional: SPDT

IP65 (Electrical Switch)

Order Details* (Example: VKG-9101R)

Range

Oil

(GPM)

0.03...0.12 1/4" 13.1 VKG-9101 VKG-9201 -

0.05...0.3 1/4" 14.5 VKG-9102 VKG-9202 1/2"

0.1...0.5 1/4" 14.5 VKG-9103 VKG-9203 1/2"

0.2...0.9 1/4" 13.1 VKG-9104 VKG-9204 1/2"

0.5...2.0 1/4" 14.5 VKG-9105 VKG-9205 1/2"

1.0...4.0 1/2" 14.5 VKG-9106 VKG-9206 3/4"

1.0...5.0 1/2" 14.5 VKG-9107 VKG-9207 3/4"

0.5...12 3/4" 5.8 VKG-9108 VKG-9208 1"

1.0...14 3/4" 14.5 VKG-9109 VKG-9209 1"

0.5...18 3/4" 16.0 VKG-9110 VKG-9210 1"

2.0...21 1" 14.5 VKG-9111 VKG-9211 -

* When submitting your order, please also include the ﬂow direction: right to left, left to right, vertical up, or vertical down.

No responsibility taken for errors; subject to change without prior notice.

Standard

Connection

(NPT)

Pressure

Drop Max.

(PSI)

Brass SS

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Flowmeter

Oil Scale

Options

Special Connection

(NPT)

Sufﬁx "B"

..C = ½" NPT Conduit

Fitting

..R = N/O Switch

Contact

..U = SPDT Switch

Contact

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Viscosity Compensated Flowmeter and Switch Model VKG

Dimensions

Viscosity Compensated Flowmeter: VKG-6...

Order Number

Brass SS Standard Sufﬁx "B" Standard Special

VKG-6101 to VKG-6105

VKG-6106 to VKG-6107

VKG-6108 to VKG-6111

U.S. Patent Number. 4,573,361

VKG-6201 to VKG-6205

VKG-6206 to VKG-6207

VKG-6208 to VKG-6211

HEX D

1.61" 1.89" 5.63" 5.63" 1.89 1.76

1.61" 1.89" 5.63" 6.02" 1.76 1.76

1.61" 1.89" 6.02" 6.02" 1.76 -

Weight Approx.

(lbs)

Viscosity Compensated Flowmeter and Switch with N/O Contact: VKG-7...

Order Number

Brass SS Standard Sufﬁx "B" Standard Special

VKG-7101 to VKG-7105

VKG-7106 to VKG-7107

VKG-7108 to VKG-7111

U.S. Patent Number. 4,573,361

VKG-7201 to VKG-7205

VKG-7206 to VKG-7207

VKG-7208 to VKG-7211

HEX D

1.89" 1.61" 5.63" 5.63" 2.09" 2.20 1.98

1.89" 1.61" 5.63" 6.02" 2.09" 1.98 1.76

1.89" 1.61" 6.02" 6.02" 2.09" 1.98 1.76

Weight Approx.

(lbs)

VKG-6...

VKG-7...

Viscosity Compensated Flowmeter and Switch with 2 N/O Contacts: VKG-8...

Order Number

Brass SS Standard Sufﬁx "B"

VKG-8101 to VKG-8105

VKG-8106 to VKG-8107

VKG-8108 to VKG-8111

U.S. Patent Number. 4,573,361

VKG-8201 to VKG-8205

VKG-8206 to VKG-8207

VKG-8208 to VKG-8211

HEX D

1.61" 1.89" 5.63" 5.63" 2.09" 2.65

1.61" 1.89" 5.63" 6.02" 2.09" 2.65

1.61" 1.89" 6.02" 6.02" 2.09" 2.43

Viscosity Compensated Flowmeter with Additional Pointer Indicator: VKG-9...

Order Number

Brass SS Standard Sufﬁx "B"

VKG-9101 to VKG-9105

VKG-9106 to VKG-9107

VKG-9108 to VKG-9111

U.S. Patent Number. 4,573,361

VKG-9201 to VKG-9205

VKG-9206 to VKG-9207

VKG-9208 to VKG-9211

HEX

1.61" 1.81"x1.81" 5.63" 5.63" 2.09" 0.87" 2.43

1.61" 1.81"x1.81" 5.63" 6.02" 2.09" 0.87" 2.20

1.61" 1.81"x1.81" 6.02" 6.02" 2.09" 0.87" 2.20

Sufﬁx "B"

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B E

Weight

Approx.

(lbs)

VKG-9...

Weight

Approx.

(lbs)

VKG-9... R

No responsibility taken for errors;

subject to change without prior notice.

Kobold VKG Specifications

Specifications and Main Features

Frequently Asked Questions

User Manual