Airtek Ltd. — 514-336-3820 — sales@airtekltd.com — www.airtekltd.com

Fittings & Valves
Watts FRL
Miniature Integral (Filter / Regulator) 1/8" & 1/4" NPT

For compact applications where space is critical and modest air flows are required

integral

B548-02A

minature integral filter regulator

B548-02D

Part # Port Size Bowl Type Maximum Supply Pressure Knob type
B548-01A 1/8" A: Polycarbonate 150 psig max Snap-lock push to lock-pull to adjust
B548-02A 1/4" A: Polycarbonate 150 psig max Snap-lock push to lock-pull to adjust
B548-01D 1/8" D: Zinc 300 psig max Snap-lock push to lock-pull to adjust
B548-02D 1/4" D: Zinc 300 psig max Snap-lock push to lock-pull to adjust

Standard Features:

20 micron filter - H
Reduced pressure range: 2-125 psig - C
Temperature range: 40° - 120° F
Diaphragm operated
Relieving
1 oz. bowl capacity
Aluminum Body
Spring Adjustment mechanism
Glass-filled acetal plastic spring cage
Manual drain

Options:

Substitute Features (substitute letter in product number)

Reduced pressure ranges: 1-25 psig - A
Reduced pressure ranges: 2-60 psig - B
5 micron filter element - G

Additional Features (add letter to product number)

Non-relieving diaphragm - K
Panel mount nut - P
Piston drain - S

Part # Bowl Kits Bowl Type
BK504Y Polycarbonate A
BK504SY Polycarbonate, with piston drain A
BK505Y Zinc D
BK505SY Zinc with piston drain D
Cage Kits
CKR364Y All B548
(Note: Snap Lock Adjusting Knot Kit is interchangeable with locking phillips screw knob)
A,D
Element Kits
EK504VY 5 micron A,D
EK504Y 20 micron A,D
Repair Kits
RK549Y Relieving diaphragm, valve assembly A,D
RK548Y Non-relieving diaphragm, valve assembly A,D

Accessories:

Mounting bracket for all miniature regulators
Part # SA161X57

mounting bracket

Panel mount nut for all miniature regulators
Panel mount hole diameter 1-1/4"
Thread size 1-3/16" - 18 UNS-2B
Part # RO5X51 Plastic
Part # RO5X51A Aluminum

ring

Piston drain for all models shown part # RK504SY

drain

Gauges sold separately

Pressure gauges dial size 1-1/2"
back connection 1/8" NPT
steel body

guage

Part # Range
274Z60 0-60
274Z160 0-160
274Z200 0-200
274Z300 0-300

filter regulator

integral filter regulator

Part # Port Size Bowl & Drain Type Temperature Range Maximum Pressure
B11-022A13A 1/4" Polycarbonate bowl / Metal bowl guard / Twist Drain 32° ~ 125° F 150 psig
B11-024A15A 1/4" Metal bowl / Sight glass / Twist Drain 32° ~ 175° F 250 psig
B11-032A13A 3/8" Polycarbonate bowl / Metal bowl guard / Twist Drain 32° ~ 125° F 150 psig
B11-034A15A 3/8" Metal bowl / Sight glass / Twist Drain 32° ~ 175° F 250 psig
B11-042A13A 1/2" Polycarbonate bowl / Metal bowl guard / Twist Drain 32° ~ 125° F 150 psig
B11-044A15A 1/2" Metal bowl / Sight glass / Twist Drain 32° ~ 175° F 250 psig

B11 Filter/Regulator Dimensions
A
2.81"
B
2.74"
C
4.69"
D
5.69"
D*
5.74"
E
10.38"
E*
10.73"
F
2.25"

* With Twist or Auto Pulse Drain
Note: A 2" Diameter hole is required for panel mounting.

Standard Features:

Space saving package offers both filter and regulator features for optimal performance
Excellent water removal efficiency
Rolling diaphragm for extended life
Quick response, and accurate pressure regulation regardless of changing flow or inlet pressure
Two high flow 1/4" gauge ports can be used as additional outlets
Shown with recommended metal bowl guard
Reduced pressure range: 2 ~ 125 psig
Supply pressure: 250 psig max
Bowl capacity 4.4 oz

High Flow:
(@ 100 PSIG inlet, 75 PSIG no flow secondary setting and 25 PSIG Pressure drop)
1/4" - 46 SCFM
3/8" - 55 SCFM
1/2" - 61 SCFM

Gauges sold separately
Pressure gauges dial size 2"
Back connection 1/4" NPT

Part # Kits & Accessories
PS715 Bonnet Assembly Kit
PS705 Bowl Guard Kit
PS722 Poly Bowl C/W Automatic Float Drain
PS732 Poly Bowl C/W Twist Drain
PS726 Metal Bowl C/W Automatic Float Drain
PS734 Metal Bowl C/W Twist Drain
PS723 Metal Bowl C/W Sight Gauge & Automatic Float Drain
PS735 Metal Bowl C/W Sight Gauge & Twist Drain
PS506 Automatic Float Drain
PS512 Twist Drain
PS701 40 Micron Element
PS702 5 Micron Element
P04069B Control Knob
PS707 Mounting Bracket Kit
P04082 Plastic Panel Mount Nut
P04079B Metal Panel Mount Nut
PS711 Non-Relieving Service Kit includes Poppet
PS710 Relieving Service Kit includes Poppet
PS737 Tamperproof Kit
PS713 Seat Insert Kit
P01698 1 ~ 30 PSIG Spring
P04062 1 ~ 60 PSIG Spring
P04063 2 ~ 125 PSIG Spring
P04064 5 ~ 250 PSIG Spring
275Y30 0 ~ 30 PSI Gauge
275Y60 0 ~ 60 PSI Gauge
275Y160 0 ~ 160 PSI Gauge
275Y300 0 ~ 300 PSI Gauge

filter regulator

integral filter regulator

Part # Port Size Bowl & Drain Type Temperature Range Maximum Pressure
B11-062A13A 3/4" Polycarbonate bowl / Metal bowl guard / Twist Drain 32° ~ 125° F 150 psig
B11-064A15A 3/4" Metal bowl / Sight glass / Twist Drain 32° ~ 175° F 250 psig

B11 Filter/Regulator Dimensions
A
3.24"
B
3.25"
C
4.79"
D
6.97"
D*
7.00"
E
11.76"
E*
11.79"
F
2.75"

* With Twist or Auto Pulse Drain
Note: A 2" Diameter hole is required for panel mounting.

Standard Features:

Space saving package offers both filter and regulator features for optimal performance
Excellent water removal efficiency
Rolling diaphragm for extended life
Quick response, and accurate pressure regulation regardless of changing flow or inlet pressure
Two high flow 1/4" gauge ports can be used as additional outlets
Shown with recommended metal bowl guard
Reduced pressure range: 2 ~ 125 psig
Supply pressure: 250 psig max
Bowl capacity 7.2 oz

High Flow:
(@ 100 PSIG inlet, 90 PSIG no flow secondary setting and 10 PSIG Pressure drop)
3/4" - 90 SCFM

Gauges sold separately
Pressure gauges dial size 2"
Back connection 1/4" NPT

Part # Kits & Accessories
PS715 Bonnet Assembly Kit
PS805 Bowl Guard Kit
PS822 Poly Bowl C/W Automatic Float Drain
PS832 Poly Bowl C/W Twist Drain
PS826 Metal Bowl C/W Automatic Float Drain
PS834 Metal Bowl C/W Twist Drain
PS823 Metal Bowl C/W Sight Gauge & Automatic Float Drain
PS835 Metal Bowl C/W Sight Gauge & Twist Drain
PS506 Automatic Float Drain
PS512 Twist Drain
PS801 40 Micron Element
PS802 5 Micron Element
P04069B Control Knob
PS807 Mounting Bracket Kit
P04082 Plastic Panel Mount Nut
P04079B Metal Panel Mount Nut
PS811 Non-Relieving Service Kit includes Poppet
PS810 Relieving Service Kit includes Poppet
PS737 Tamperproof Kit
PS813 Seat Insert Kit
P01698 1 ~ 30 PSIG Spring
P04062 1 ~ 60 PSIG Spring
P04063 2 ~ 125 PSIG Spring
P04064 5 ~ 250 PSIG Spring
275Y30 0 ~ 30 PSI Gauge
275Y60 0 ~ 60 PSI Gauge
275Y160 0 ~ 160 PSI Gauge
275Y300 0 ~ 300 PSI Gauge
Standard Integral (Filter / Regulator) 1/4" to 1/2" NPT

Economy of size and high performance are two key characteristics of this series

integral filter regulator

B11-04W

filter/regulator

B12-03D

Part # Port Size Bowl Type Maximum Supply Pressure Knob type
B11-02D 1/4" D: Zinc 300 psig max Tamper-resistant, snap-lock, removable knob
B11-03D 3/8" D: Zinc 300 psig max Tamper-resistant, snap-lock, removable knob
B11-04D 1/2" D: Zinc 300 psig max Tamper-resistant, snap-lock, removable knob
B12-02D 1/4" D: Zinc 300 psig max T-Handle
B12-03D 3/8" D: Zinc 300 psig max T-Handle
B12-04D 1/2" D: Zinc 300 psig max T-Handle
B11-02W 1/4" W: Zinc with sight glass 250 psig max Tamper-resistant, snap-lock, removable knob
B11-03W 3/8" W: Zinc with sight glass 250 psig max Tamper-resistant, snap-lock, removable knob
B11-04W 1/2" W: Zinc with sight glass 250 psig max Tamper-resistant, snap-lock, removable knob
B12-02W 1/4" W: Zinc with sight glass 250 psig max T-Handle
B12-03W 3/8" W: Zinc with sight glass 250 psig max T-Handle
B12-04W 1/2" W: Zinc with sight glass 250 psig max T-Handle

Standard Features:

B11 - includes tamper resistant, snap lock, removable knobs.
B12 - Includes T-Handle
Reduced pressure range: 2-125 psig - C
Temperature range: 40° - 120° F
40 micron filter: J
Diaphragm operated
Relieving
4 oz, bowl capacity
Zinc Body
Spring adjustment mechanism
Glass-filled acetal plastic spring cage.
Manual drain

Options:

Substitute Features ( substitute letter in product number)

Reduced pressure ranges: 1-25 psig - A
Reduced pressure ranges: 2-60 psig - B
Reduced pressure ranges: 5-250 psig - D
5 micron filter element - G

Additional Features ( add letter to product number)

Non-relieving diaphragm - K
Panel mount nut - P
Internal auto drain - R
Piston drain (4210) - S

Part # Bowl Kits Bowl Type
BKF11Y Zinc D
BKF11WY Zinc with sight glass W
Cage kits
CKR10Y B11 D,W
CKR11Y B12 D,W
Element Kits
EKF10VY 5 micron D,W
EKF10Y 40 micron D,W
Repair Kits
RKR10Y Relieving diaphragm, valve assembly D,W
RKR10KY Non-relieving diaphragm, valve assembly D,W

Accessories:

Mounting bracket
Part # SAR10Y57

bracket

Panel mount hole diameter 1-3/4"
Thread size 1-3/4" - 18 UNS-2B
Part # R10X51 Plastic
Part # R10X51A Aluminum

ring

Piston drain for all models shown
Part # RK602SY for 1/4 & 3/8"
Part # RK602SA for 1/2"

drain

Internal auto drain for all models shown
Part # SA602MD Plastic Tip
Part # SA605MD Brass Tip
Maximum temperature: 120°F
Maximum pressure: 175 PSIG
External auto drain repair kit RK602D
Internal auto drain repair kit RK602MD

automatic drain

Gauges sold separately

Pressure gauges dial size 2"
back connection 1/4" NPT
steel body

.guage

Part # Range
275Y30 0-30
275Y60 0-60
275Y160 0-160
275Y300 0-300
 

Due to the fact that we are continuously improving our products, the descriptions, illustrations,
specifications,dimensions, and part numbers are subject to change without notice.
Every effort has been made to have the information on this site error free, we can not be responsible for errors and or omissions.

Airtek Ltd., 5750 Donahue St., Montreal, Qc, Canada, H4S 1C1
Tel: 514-336-3820