©Johnstone Supply eCatalog 216

COMMERCIAL CONTROLS Pneumatics

Three-Way Ball Valves • Designed to regulate the flow of hot or chilled water, 50/50 glycol solution and low-pressure steam in HVAC applications • Amodel ® flow characterization disk allows for accurate control and eliminates the need for pipe reducers • Forged brass body, dual EPDM stem seals and 15% graphite-filled PTFE ball seats for leak-free operation • Used with M9000 series actuators and linkage kits • Maintenance-free design; no packing or rebuilding necessary

• Equal percentage flow characteristic (in-line port); linear flow characteristic (angle-port) • NPT connections; also available in sweat and press connected Specifications: • Fluid temperature range: Brass trim: 23°F to 203°F water; stainless steel trim: 23°F to 250°F water and 15 PSIG at 250°F steam • Maximum closeoff pressure: 200 PSIG • Rangeability: 500:1 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Order #

Mfg. #

Conn. Size

Cv

Ball/Stem Material

Order #

Mfg. #

Conn. Size

Cv

Ball/Stem Material

L41-773 L41-774 L40-371 L40-385 L41-775 L49-037 L40-372 L40-386 L49-038 L49-039 L41-776 L49-040 L40-373 L40-387 L49-041 L49-042

L40-374 L40-388 L49-043 L49-044 L40-375 L40-389 L49-045 L49-046 L40-376 L40-390 L49-047 L49-048 L40-377 L40-391 L49-049

VG1841AD 1/2" VG1845AD 1/2" VG1841AE 1/2" VG1845AE 1/2" VG1841AF 1/2" VG1841AF 1/2" VG1841AG 1/2" VG1845AG 1/2" VG1845AL 1/2" VG1845AN 1/2" VG1841BG 3/4" VG1845BG 3/4" VG1841BL 3/4" VG1845BL 3/4" VG1845BN 3/4" VG1845CL 1"

1.2/0.7 1.2/0.7 1.9/1.2 1.9/1.2 2.9/1.9 2.9/1.9 4.7/2.9 4.7/2.9 7.4/4.7 11.7/5.8 4.7/2.9 4.7/2.9 7.4/4.7 7.4/4.7 11.7/5.8 7.4/4.7

Brass

VG1841CN 1" VG1845CN 1" VG1845CP 1"

11.7/7.4 11.7/7.4 18.7/9.4 11.7/7.4 18.7/11.7 18.7/11.7 29.2/14.6 18.7/11.7 29.2/18.7 29.2/18.7 46.8/29.2 29.2/18.7 46.8/29.2 46.8/29.2 73.7/36.8

Brass

Stainless Steel

Stainless Steel Stainless Steel Stainless Steel Stainless Steel Stainless Steel Stainless Steel Stainless Steel Stainless Steel Stainless Steel Stainless Steel Stainless Steel Brass Brass Brass

Brass

Stainless Steel

VG1845DN 1-1/4" VG1841DP 1-1/4" VG1845DP 1-1/4" VG1845DR 1-1/4" VG1845EP 1-1/2" VG1841ER 1-1/2" VG1845ER 1-1/2" VG1845ES 1-1/2"

Brass

Stainless Steel

Brass

Stainless Steel Stainless Steel Stainless Steel

Brass

Stainless Steel

VG1845FR 2" VG1841FS 2" VG1845FS 2" VG1845FT 2"

Brass

Stainless Steel Stainless Steel Stainless Steel

Reset Volume Controllers • Regulate air flow in Variable Air Volume (VAV) boxes • Control output volume between adjustable minimum and maximum limits in response to reset signal from the thermostat or other master controller • Fully adjustable reset start point, reset span and minimum and maximum flow set points • Provide controllable flow down to 0.01" w.g. velocity pressure

• Range adjustable from 0.15" to 2.0" w.g. • Isolated diaphragm design accepts any sensing line • Fits most competitors mounting brackets • Barbed fittings provided on all ports • Includes replaceable filter/orifice assembly WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Each

Order #

Mfg. #

Thermostat

L38-297 L38-298

P-3800-1 P-3800-2

Direct Acting/Reverse Acting Reverse Acting/Direct Acting

695.00 695.00

Air Pressure Gauge • Provides continuous indication of air pressure • Includes equivalent metric scale • Range: 0–30 PSIG • Dial size: 1-1/2"

• Stem mount with 1/8" NPT center back WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Each

Order #

Mfg. #

L38-305

G-2010-5

109.00

404

©2023 Johnstone Supply, LLC