Series 20 Model 23

3-Way Normally Closed Valve (exhaust to atmosphere)

A complete line of valves with a great selection of options and exceptional proven performance. The standard in the field. Air, water, and other fluids compatible with standard Buna seals. Hot water, steam, gasoline, and many oils require special seal materials.

• The flagship valve initially created for fluid power industry.
• Heavy duty and made of stainless steel.
• A real workhorse with proven performance.
• It has the greatest amount of options available of all the valves.
• Wide range of orifice sizes from 1/32" to 1/4".

  • SPECIFICATIONS
  • 2-D & 3-D CAD DRAWING
  • FLOW CHART
  • NOMENCLATURE
VALVE SPECIFICATIONS
+ MAX. OPER.
PRESS. DIFF.
ORIFICE SIZE CV FACTOR VALVE NUMBER
GROMMET HOUSING
CONDUIT HOUSING
AC DC N.C. N.O. N.C. N.O. 1/8 NPT PORTS 1/4 NPT PORTS 1/8 NPT PORTS 1/4 NPT PORTS
400 400 1/32 1/32 .024 .024 23GG7DGM 23GG9DGM 23GG7DCM 23GG9DCM
150 (200) 150 (200) 3/64 1/16 .052 .095 23HJ7DGM 23HJ9DGM 23HJ7DCM 23HJ9DCM
100 (135) 100 (135) 1/16 1/16 .095 .095 23JJ7DGM 23JJ9DGM 23JJ7DCM 23JJ9DCM
100 (135) 100 (135) 1/16 3/32 .095 .156 23JK7DGM 23JK9DGM 23JK7DCM 23JK9DCM
75 (100) 75 (100) 3/32 3/32 .156 .156 23KK7DGM 23KK9DGM 23KK7DCM 23KK9DCM
50 (70) 50 (70) 1/8 3/32 .284 .156 23NK7DGM 23NK9DGM 23NK7DCM 23NK9DCM
35 (40) 35 (40) 1/8 1/8 .284 .201 23NN7DGM^ 23NN9DGM^ 23NN7DCM^ 23NN9DCM^
20 20 3/16 3/32 .500 .156 23PK7DGM 23PK9DGM 23PK7DCM 23PK9DCM
20 20 3/16 1/8 .500 .201 23PN7DGM^ 23PN9DGM^ 23PN7DCM^ 23PN9DCM^
15 1/4 3/32 .700 .156 23RK7DGM 23RK9DGM 23RK7DCM 23RK9DCM
15 1/4 1/8 .700 .201 23RN7DGM^ 23RN9DGM^ 23RN7DCM^ 23RN9DCM^

^ VALVES WITH 1/8 N.O. ORIFICE ARE UL LISTED ONLY

WHEN ORDERING VALVES OR REPAIR PACKS ADD VOLTAGE AND FREQUENCY TO COMPLETE
VALVE NUMBER. EXAMPLES: VALVE (23JK9DGM-120/60) REPAIR PACK (K23JKD-AC)

+ Ratings in brackets are optional extended ratings; consult factory.

OPERATING CONDITIONS

Media: Air, water, and other fluids compatible with standard Buna seals. Hot water, steam, gasoline, and many oils require special seal materials. (Series 20 pressure ratings may change due to the viscosity of the liquid.)*
Valve Temperature Range: Standard Valves – 0°F (-18°C) to 104°F (40°C) ambient; 0°F (-18°C) to 150°F (65°C) media. Optional Valves – can tolerate much higher or much lower ambient and media temperatures.
Maximum Operating Pressure Differentials: See table above.
Burst Pressure: 5000 PSI
Leakage: Bubble tight for standard valves.
Vacuum: To 5 Microns*

ELECTRICAL CHARACTERISTICS

Coil Voltage: 6 to 825V AC 60 HZ. and 5 to 720V AC 50 HZ. — 1.8 to 265V DC
Nominal Power: AC — 8.7 Watts DC — 9.5 Watts
Coil Construction: Molded (Std.), Non-molded Class A and Potted Class F or Class H (Opt.)
Operating Speed: Up to 600 CPM
Duty Cycle: Continuous

MECHANICAL CHARACTERISTICS

Body: Stainless Steel (Std.) or Brass (Opt.)
Internal Components: Stainless Steel
Elastomers: Nitrile (Buna) (Std.). Many other elastomers available.*
Orifice Diameter: See table above.
Porting: Standard 1/8" and 1/4" NPT (other ports available).
Housing: Grommet and 1/2" NPT conduit - many options available.*
Listings: Most valves are UL and CSA listed.*
Life Expectancy: Millions of cycles, depending on application, lubrication, etc.
Valve Weight: Grommet Valve: 1.06 lb Conduit Valve: 1.13 lb
Repair Packs: See table above.
Options: Alternate Port Locations, Metering, Manual Override, Alternate Elastomers, Spade Terminal Coil, European Style DIN, Explosion Proof and Magnetic Latching Coil

* Consult representative or factory for options and specifications.

Series 20 General Purpose Valves Conduit


MODEL 23 1/4-18 NPT
3WNC EXHAUST TO ATMOSPHERE
CONDUIT CONNECTION

MODEL 23 1/8-27 NPT
3WNC EXHAUST TO ATMOSPHERE
CONDUIT CONNECTION

MODEL 23 BODY OPTION "E"
3WNC EXHAUST TO ATMOSPHERE
CONDUIT COIL CONNECTION

MODEL 23 BODY OPTION "O"
3WNC EXHAUST TO ATMOSPHERE
CONDUIT COIL CONNECTION

MODEL 23 BODY OPTION "R"
3WNC EXHAUST TO ATMOSPHERE
CONDUIT COIL CONNECTION

MODEL 23 MANUAL OVERRIDE
3WNC EXHAUST TO ATMOSPHERE
CONDUIT COIL CONNECTION

MODEL 23 METERING
3WNC EXHAUST TO ATMOSPHERE
CONDUIT COIL CONNECTION

Series 20 General Purpose Valves Conduit/Bracket Connection


MODEL 23 1/4-18 NPT
3WNC EXHAUST TO ATMOSPHERE
CONDUIT/BRACKET CONNECTION

MODEL 23 1/8-27 NPT
3WNC EXHAUST TO ATMOSPHERE
CONDUIT/BRACKET CONNECTION

MODEL 23 BODY OPTION "R"
3WNC EXHAUST TO ATMOSPHERE
CONDUIT/BRACKET COIL CONNECTION

MODEL 23 BODY OPTION "O"
3WNC EXHAUST TO ATMOSPHERE
CONDUIT COIL CONNECTION

MODEL 23 BODY OPTION "R"
3WNC EXHAUST TO ATMOSPHERE
CONDUIT/BRACKET CONNECTION

MODEL 23 MANUAL OVERRIDE
3WNC EXHAUST TO ATMOSPHERE
CONDUIT/BRACKET CONNECTION

MODEL 23 METERING
3WNC EXHAUST TO ATMOSPHERE
CONDUIT/BRACKET CONNECTION

Series 20 General Purpose Valves DIN


MODEL 23 1/4-18 NPT
3WNC EXHAUST TO ATMOSPHERE
DIN STYLE COIL

MODEL 23 1/8-27 NPT
3WNC EXHAUST TO ATMOSPHERE
DIN STYLE COIL

MODEL 23 BODY OPTION "E"
3WNC EXHAUST TO ATMOSPHERE
DIN STYLE COIL

MODEL 23 BODY OPTION "O"
3WNC EXHAUST TO ATMOSPHERE
DIN STYLE COIL

MODEL 23 BODY OPTION "R"
3WNC EXHAUST TO ATMOSPHERE
DIN STYLE COIL

MODEL 23 MANUAL OVERRIDE
3WNC EXHAUST TO ATMOSPHERE
DIN STYLE COIL

MODEL 23 METERING
3WNC EXHAUST TO ATMOSPHERE
DIN STYLE COIL

Series 20 General Purpose Valves Grommet


MODEL 23 1/4-18 NPT
3WNC EXHAUST TO ATMOSPHERE
GROMMET WITH LEADS

MODEL 23 1/8-27 NPT
3WNC EXHAUST TO ATMOSPHERE
GROMMET WITH LEADS

MODEL 23 BODY OPTION "E"
3WNC EXHAUST TO ATMOSPHERE
GROMMET HOUSING WITH LEADS

MODEL 23 BODY OPTION "O"
3WNC EXHAUST TO ATMOSPHERE
GROMMET HOUSING WITH LEADS

MODEL 23 BODY OPTION "R"
3WNC EXHAUST TO ATMOSPHERE
GROMMET HOUSING WITH LEADS

MODEL 23 MANUAL OVERRIDE
3WNC EXHAUST TO ATMOSPHERE
GROMMET HOUSING WITH LEADS

MODEL 23 METERING
3WNC EXHAUST TO ATMOSPHERE
GROMMET HOUSING WITH LEADS

Series 20 General Purpose Valves Grommet/Bracket Connection


MODEL 23 1/4-18 NPT
3WNC EXHAUST TO ATMOSPHERE
GROMMET/BRACKET WITH LEADS

MODEL 23 1/8-27 NPT
3WNC EXHAUST TO ATMOSPHERE
GROMMET/BRACKET WITH LEADS

MODEL 23 BODY OPTION "E"
3WNC EXHAUST TO ATMOSPHERE
GROMMET/BRACKET HOUSING WITH LEADS

MODEL 23 BODY OPTION "O"
3WNC EXHAUST TO ATMOSPHERE
GROMMET/BRACKET HOUSING WITH LEADS

MODEL 23 BODY OPTION "R"
3WNC EXHAUST TO ATMOSPHERE
GROMMET/BRACKET HOUSING WITH LEADS

MODEL 23 MANUAL OVERRIDE
3WNC EXHAUST TO ATMOSPHERE
GROMMET/BRACKET HOUSING WITH LEADS

MODEL 23 METERED BODY
3WNC EXHAUST TO ATMOSPHERE
GROMMET/BRACKET HOUSING WITH LEADS

Series 20 General Purpose Valves Yoke Leads


MODEL 23 1/4-18 NPT
3WNC EXHAUST TO ATMOSPHERE
MOLDED COIL WITH YOKE

MODEL 23 1/8-27 NPT
3WNC EXHAUST TO ATMOSPHERE
MOLDED COIL WITH YOKE

MODEL 23 BODY OPTION "E"
3WNC EXHAUST TO ATMOSPHERE
YOKE WITH LEADS

MODEL 23 BODY OPTION "O"
3WNC EXHAUST TO ATMOSPHERE
YOKE WITH LEADS

MODEL 23 BODY OPTION "R"
3WNC EXHAUST TO ATMOSPHERE
YOKE WITH LEADS

MODEL 23 MANUAL OVERRIDE
3WNC EXHAUST TO ATMOSPHERE
YOKE WITH LEADS

MODEL 23 METERING
3WNC EXHAUST TO ATMOSPHERE
MOLDED COIL WITH YOKE

Series 20 General Purpose Valves Yoke Spades


MODEL 23 1/4-18 NPT
3WNC EXHAUST TO ATMOSPHERE
YOKE WITH SPADE TERMINALS

MODEL 23 1/8-27 NPT
3WNC EXHAUST TO ATMOSPHERE
YOKE WITH SPADE TERMINALS

MODEL 23 BODY OPTION "E"
3WNC EXHAUST TO ATMOSPHERE
YOKE WITH SPADE TERMINALS

MODEL 23 BODY OPTION "O"
3WNC EXHAUST TO ATMOSPHERE
YOKE WITH SPADE TERMINALS

MODEL 23 BODY OPTION "R"
3WNC EXHAUST TO ATMOSPHERE
YOKE WITH SPADE TERMINALS

MODEL 23 MANUAL OVERRIDE
3WNC EXHAUST TO ATMOSPHERE
YOKE WITH SPADES

MODEL 23 METERING
3WNC EXHAUST TO ATMOSPHERE
YOKE WITH SPADE TERMINALS