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1.5” Economy Positioner Gauges

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Price: $14.45
Item Is In Stock
Item Number: MC R7 / R8
Manufacturer: MCDANIEL CONTROLS

Options

* denotes required field

Model*
Pressure Range*
Mounting Style*
Custom Scale (Optional)
Connection Size
Special Configuration and Options

McDaniel Controls
1.5” Economy Positioner Gauges


Ideal for use as positioner gauges, the models R7 and R8 are also ideal OEM gauges.

The R7 features brass movement and a brass process connection available in 1/8” or ¼” MNPT, center back or lower mount options. It has a solid stainless steel case for corrosion resistance. The model R8 is our least expensive utility positioned gauge. It has a black enamel case over a brass movement and brass process connection. It is also available in 1/8” or ¼” MNPT with center back or lower mount options.

The accuracy of both the R7 and R8 is 3%-2%-3% in a 270 degree arc divided into thirds.

Standard and Optional Features:

Dial size:

1 1/2 inch (40mm)
Fillable: No

Connection:

1/8" NPT is STANDARD, 1/4" NPT on Request.
Case: 304 Stainless Steel (Model R7) / Black Enameled Steel (Model R8)
Internals: Brass
Parts: Brass Stem and Socket, Bourdon Tube: Cooper Alloy (C Form 600 PSI & below), Phosphorous bronze (Spiral 800 PSI & above)
Accuracy: ASME B40.1 Grade B (3 - 2 - 3%)
Ranges: Up to 5,000 psi
Mount: Standard Bottom Connection, Center Back Connection, Front Flange/Center Back Connection, U-Clamp/Center Back Connection (Model R8 ONLY)
Scale: psi/Bar (dual scale), psi/kPa (dual scale)
Options: Cleaned for oxygen service

 

SPECIFICATIONS

Accuracy:
ASME B40.1 standard (Grade B)(3 - 2 - 3%)

Dial:
White enameled aluminum. Black figures

Case:
(R7) - 304 Stainless Steel
(R8) - Black Enameled Steel

Pointer:
Black enameled aluminum

Lens:
Polycarbonate

Precision Movement
Brass

Bourdon Tube:
Copper alloy (C Form 600PSI & below).
Phosphorous bronze (Spiral 800PSI & above)

Temperature Utilization:
-4 + 176 degrees Farenheit
-20 + 80 degrees Celsius

Pressure Utilization:
Static: 75% maximum scale
Dynamic: 66% maximum scale

Stem and Socket:
Brass. Restrictor screw standard. (removable)
1/8" NPT (1/4" NPT special order available)

Dial Sizes / Ranges Available:
Vac, Comp, Rec 3-15, up to 5,000psi

Configurations Available:
Bottom connected standard
Center-back connected
Front flange, Center-back connected




View the Data/Spec Sheet
Don't have Reader?
Gauge Model Selection Guide

DIAL
SIZE

MODEL NPT CASE INTERNALS ACCURACY RANGES OTHER FEATURES

1½"
(40 mm)

S 1/8" 304 STAINLESS STEEL 316 STAINLESS STEEL (2)

1.5%
Grade A

Up to 10,000 psi

 • Full blow-out protection     • Repairable
 • Lexan Lens                      • Weather Tight Case
 • Compensating diaphragm

MOUNTING STYLES:
Bottom, Center-back (1), U-Clamp, Panel mount

* 1/4" Fillable
R7 1/8" 304 STAINLESS STEEL

BRASS (3)

3-2-3%
Grade B

Up to 5,000 psi

 • Utility Gauge

 • Polycarbonate Lens

 • Economical McDaniel quality

 • Restrictor screw for pulsation dampening

MOUNTING STYLES:
Bottom, Center-back (1), U-Clamp, Panel mount

* 1/4" Non-Fillable
R8 1/8" BLACK ENAMELED STEEL
* 1/4" Non-Fillable

2"
(50 mm)

Q3 1/8" 304 STAINLESS STEEL

316 STAINLESS STEEL (2)

1%
Grade 1A

Up to 15,000 psi

 • Laminated Safety Glass Lens     • Repairable
 • Weather Tight Case                  • Blow-out disc

MOUNTING STYLES:
Bottom, Center-back, U-Clamp, Panel mount

1/4" Fillable
T6 1/8" 304 STAINLESS STEEL

BRASS (3)

3-2-3%
Grade B

Up to 5,000 psi

 • Utility Gauge

 • Polycarbonate Lens

 • Economical McDaniel quality

 • Restrictor screw for pulsation dampening

MOUNTING STYLES:
Bottom, Center-back, U-Clamp (Except T7), Panel mount

1/4" Filled**
T7 1/8" 304 STAINLESS STEEL
1/4" Non-Fillable
T8 1/8" BLACK ENAMELED STEEL
1/4" Non-Fillable

2½"
(63 mm)

K * 1/8" 304 STAINLESS STEEL 316 STAINLESS STEEL (2)

1%
Grade 1A

Up to 20,000 psi

 • Laminated Safety Glass Lens
 • Repairable
 • Weather Tight Case
 • Restrictor screw for pulsation dampening
 • Solid Front Blow-out Back Case Available
MOUNTING STYLES:
Bottom, Lower-back, U-Clamp, Panel mount, Rear Flange, Center-Back available by special order.

1/4" Fillable
J * 1/8" 304 STAINLESS STEEL BRASS (3) Up to 6,000 psi
1/4" Fillable
U * 1/8"

CAST BRASS

Up to 10,000 psi

 • Laminated Safety Glass Lens     • Repairable
 • One-piece case and stern          • Heavy-duty
MOUNTING STYLES:
Bottom, Center-back, U-Clamp

1/4" Fillable
K9 * 1/8" 304 STAINLESS STEEL 316 STAINLESS STEEL (2)

2-1-2%
Grade A

Up to 10,000 psi

 • Polycarbonate Lens     • Restrictor Screw
 • Rolled Threads            • Welded Case and Stern
MOUNTING STYLES:
Bottom, Lower-back, U-Clamp, Front Flange, Rear Flange

1/4" Fillable
J6 * 1/8" 304 STAINLESS STEEL BRASS (3)

3-2-3%
Grade B

Up to 15,000 psi

 • Utility Gauge

 • Polycarbonate Lens

 • Economical McDaniel quality

 • Restrictor screw for pulsation dampening

MOUNTING STYLES:
Bottom, Center-back, U-Clamp, Panel mount

1/4" Filled**
J7 * 1/8" 304 STAINLESS STEEL Inches of Water* & Up to 15,000 psi
1/4" Non-Fillable
J8 * 1/8" BLACK ENAMELED STEEL
1/4" Non-Fillable

4"
(100 mm)

A 1/4" 304 STAINLESS STEEL 316 STAINLESS STEEL (2)

.5%†
Grade 2A

Inches of Water And Up to 35,000 psi

 • Laminated Safety Glass Lens
 • Repairable
 • Adjustable Pointer
 • No pointer stop on dial
 • Pulsation Dampened
 • Full blow-out Relief
 • Vacuum Stop
 • Overrange Stop
 • Weather Tight Case

MOUNTING STYLES:
Bottom, Lower-back, U-Clamp, Panel mount with Front Flange, Rear Flange

(MODELS: E, G) (also 6" MODELS F, H)
Solid Front/Blow-out Back configuration available
 † .5% accuracy ranges 15 psi to 10,000 psi
 † 1.5% accuracy ranges 6" wc to 250" wc
 † 1.0% accuracy ranges above 10,000 psi

C 1/2" Non-Fillable
E 1/4" 304 STAINLESS STEEL
G 1/2" Fillable
L 1/4" POLYAMID "B" BRASS (3)
M 1/2" Non-Fillable
N 1/4" POLYAMID "B"
P 1/2" Fillable
E9 1/4" 304 STAINLESS STEEL 316 STAINLESS STEEL (2)

2-1-2%
Grade A

Up to 10,000 psi

 • Polycarbonate Lens     • Welded Case and Stern
 • Rolled Threads
 • Threaded Inlet - Restrictor Screw Ready
MOUNTING STYLES:
Bottom, Center, U-Clamp, Front Flange, Rear Flange

G9 1/2" Fillable
MCXA 1/4" 304 STAINLESS STEEL 316 STAINLESS STEEL (2)

1.5%
Grade A

6"-160" WC

 • Laminated Safety Glass Lens
 • Repairable
 • Weather Tight Case
 • Capsule Sensing Element
 • 20 times Overrange Protected
 • Precision Geared Movement
 • Vacuum and Compound Ranges Available

MOUNTING STYLES:
Bottom, Lower-back, Panel mount, Rear Flange

MCXC 1/2" Non-Fillable
MC3A 1/4" ALLOY STEEL BRASS (3) 4"-160" WC
MC3C 1/2" Non-Fillable

4½"
(130 mm)

MPB/SA 1/4" FIBERGLASS REINFORCED THERMOPLASTIC (PBTP) 316 STAINLESS STEEL (2)

.5%†
Grade 2A

Up to 20,000 psi

 • Laminated Safety Glass Lens         • Repairable
 • Adjustable Pointer     • Solid Front/Blow-out Back
 • Compensating Diaphragm-Elastomer with internal "O" ring seal     • Field ready for filling, hermetically sealed, weatherproof. No fill kit required
MOUNTING STYLES:
Bottom Connected Only

MPB/SC 1/2" Fillable

6"
(160 mm)

B 1/4" 304 STAINLESS STEEL Inches of Water and Up to 60,000 psi (4)

 • Laminated Safety Glass Lens
 • Repairable
 • Adjustable Pointer
 • No pointer stop on dial
 • Pulsation Dampened
 • Full blow-out Relief
 • Vacuum Stop
 • Overrange Stop
 • Weather Tight Case

MOUNTING STYLES:
Bottom, Lower-back, U-Clamp, Panel mount with Front Flange, Rear Flange
(MODELS: F, H "Bottom Connect Only")
Solid Front/Blow-out Back configuration available

D 1/2" Non-Fillable
F 1/4" 304 STAINLESS STEEL
H 1/2" Fillable
Y 1/4" POLYAMID "B" BRASS (3)
Z 1/2" Non-Fillable
MCXB 1/4" 304 STAINLESS STEEL 316 STAINLESS STEEL (2)

1.5%
Grade A

2.5"-160" WC

 • Laminated Safety Glass Lens
 • Repairable
 • Weather Tight Case
 • Capsule Sensing Element
 • 20 times Overrange Protected
 • Precision Geared Movement
 • Vacuum and Compound Ranges Available

MOUNTING STYLES:
Bottom, Lower-back, Panel mount, Rear Flange

MCXD 1/2" Non-Fillable
MC3B 1/4" ALLOY STEEL BRASS (3) 1.6"-160" WC
MC3D 1/2" Non-Fillable

 

 

* SPECIAL
NON-STOCK

** FILLED
GLYCERIN

 

ACCURACY
ASME B40.1

RANGE
Includes: Vacuum, Compound, and Receiver 3-15

(1)   Model "S" 1/4 NPT only in Back connection
(2)   316 SS Tube, Tip and Socket
(3)   Brass Socket, Copper Alloy / Phosphorous Bronze Tube and Tip.     *   316 SS Optional
(4)   Models Y and Z only up to 35,000 psi

     
     
     
     

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