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Parker Hannifin Corporation
Climate & Industrial Controls Group
Cleveland, OH
Catalog CIC-2003-1/US
Refrigeration Solenoid Valves
242
Technical Information Series R40 and R45 Pilot-Operated Valves
Series R40 — 2-Way Pilot-Operated Normally Closed Valves
Series R45 — 2-Way Pilot-Operated Normally Open Valves
Materials of Construction
Body ..................................................................... Brass
Seals .................................................................. Rulon
®
Plunger .................................................... 430 Stainless
Sleeve Tube ............................................. 305 Stainless
Stop ......................................................... 430 Stainless
Piston ................................................................... Brass
Springs ........................................................... Stainless
Shading Ring ..................................................... Copper
Connections .......................... Extended Ends – Copper
Manual Stem .......................... 430 Stainless (available)
Specifications
R40 Valve — Normally Closed
1 Reference Ratings Summary for nominal capacity system conditions.
2 For capacities at other ratings, refer to Extended Capacity tables.
Coils available separately. Use Coil “R” with “R” Series valves. Reference coil enclosure page 249 for electrical coil enclosure options.
R45 Valve — Normally Open
* Without Manual Bypass – Omit suffix “M” for the valve number.
R22 R134a
R404a
R507 R410a R22 R134a
R404a
R507 R410a R22 R134a
R404a
R507 R410a
R40E185M 5/8 ODF
R40E187M 7/8 ODF
R40E189M 1-1/8 ODF
R40E287M 7/8 ODF
R40E289M 1-1/8 ODF
R40E2811M 1-3/8 ODF
Suction Vapor Hot Gas
Nominal Capacity (Tons)
1, 2
Connection
(Inches)
Port
(Orifice)
(Inches) Cv
52.529.634.1
Valve
Number*
Nominal Liquid
Extended Ends
19.3 16.7 29.79/16
7/8 44.0
4.4
7.9
24.9 2.72 2.08 2.49 3.36 4.53 3.88 4.31 5.45
9.317.386.647.755.744.263.564.64
R22 R134a
R404a
R507 R410a R22 R134a
R404a
R507 R410a R22 R134a
R404a
R507 R410a
R45E185 5/8 ODF
R45E187 7/8 ODF
R45E189 1-1/8 ODF
R45E287 7/8 ODF
R45E289 1-1/8 ODF
R45E2811 1-3/8 ODF
5.744.263.564.64 9.317.386.647.75
4.53 3.88 4.31 5.452.72 2.08 2.49 3.36
7/8 44.0
4.4
7.9
24.9
52.529.634.1
Valve
Number
Nominal Liquid
Extended Ends
19.3 16.7 29.79/16
Suction Vapor Hot Gas
Nominal Capacity (Tons)
1, 2
Connection
(Inches)
Port
(Orifice)
(Inches) Cv