American Granby RV50NL, RV75NL, RV50-100NL, RV75-100NL, IRV50NL User Manual

12/4/18

1.29

www.americangranby.com

In the United States: Phone [phone] Fax [phone]

In Canada: Phone [phone] Fax [phone]

Pressure Relief Valves

Part Number Size Pressure Setting Ctn/Case List Price

NO LEAD Bronze Relief Valves - Made in USA

RV50NL 1/2”x 1/2” Set at 75 psi 50/150 $ 30.77
RV75NL 3/4”x 1/2” Set at 75 psi 50/150 31.22
RV50-100NL 1/2” x 1/2” Set at 100 psi 50/150 30.77
RV75-100NL 3/4” x 1/2” Set at 100 psi 50/150 31.22

NO LEAD Brass Relief Valves - Imported

IRV50NL 1/2”x 1/2” Set at 75 psi 10/100 12.04
IRV75NL 3/4”x 1/2” Set at 75 psi 10/100 13.00
IRV50-100NL 1/2”x 1/2” Set at 100 psi 10/100 12.04
IRV75-100NL 3/4”x 1/2” Set at 100 psi 10/100 13.00
IRV7575NL 3/4”x 3/4” Set at 75 psi 10/100 13.46
IRV7575-100NL 3/4”x 3/4” Set at 100 psi 10/100 13.46

304 Stainless Steel Relief Valves - Imported

IRV50SS 1/2”x 1/2” Set at 75 psi 10/100 19.66
IRV75SS 3/4” x 1/2” Set at 75 psi 10/100 20.76
IRV7575SS 3/4” x 3/4” Set at 75 psi 10/100 21.50
IRV50-100SS 1/2” x 1/2” Set at 100 psi 10/100 19.66
IRV75-100SS 3/4” x 1/2” Set at 100 psi 10/100 20.76
IRV7575-100SS 3/4” x 3/4” Set at 100 psi 10/100 21.50

Hamilton NO LEAD Brass Adjustable Safety Relief Valves

Set at Adjustable to Sold at Preset Only

HRV50NL 1/2” mipt x 1/2” fipt 75 psi 150 psi 25 98.33
HRV75NL 3/4” mipt x 3/4” fipt 75 psi 100 psi 25 111.24
HRV125NL 1 1/4” mipt x 1 1/4” fipt 75 psi 200 psi 10 315.00
HRV175NL 1” mipt x 3/4” fipt 75 psi 200 psi 25 185.76

HRV Series

RV and IRV Series Relief Valve Features:

• Heavy duty no lead bronze, no lead brass or 304 stainless steel.

• For shallow, deep well and submersible pumps.

• Third party certified to NSF/ANSI 372.

• Spring loaded and pre-set under pressure, NOT ADJUSTABLE.

• 1/2” or 3/4” (IRV7575) discharge.

Hamilton Adjustable Safety Relief Valve Features:

• Preset at 75 P.S.I. with concealed adjusting screw to prevent tampering.

• No-lead brass heavy duty, full-flow design with Buna-N seats.

RV-NL Series

IRV-NL

NOTE: Relief valves on this page are not for use
with hot water heaters. Recommended for cold
water system installations only.

Preset relief valves are NOT intended to be
adjusted. Any adjustment to preset relief valves
voids warranty.

ISO 9001

FLOW RATES
PSI 85 90 95 100 105 110 115

RV Series gpm .30 7.3 7.7 9.8 17.9 18.9 20.6
IRV Series gpm 2.0 2.7 3.8 4.7 7.0 12.0 12.7

PSI 10 20 30 40 60 80 100

HRV50 .6 1.5 2.5 3.6 6.1 8.8 11.8
HRV75 2.8 5.5 11.0 13.8 17.9
HRV175 6.0 12.6 19.0 24.6 35.6 44.8 52.3
HRV125 12.0 35.0 48.4 69.2 106.5 132.5 150.0

IRV SS Series