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Overview

Resilient seat three-way valves provide control for HVAC system applications including chilled water, hot water, cooling tower water, and thermal storage systems.

Product Specifications

Dimensions (in.)
Assembly--Length: 12-1/2 in.; Height: 16-9/16 in.; Width: 8-5/16 in.; Neck: 6-1/4 in.; Radius; 2-13/16 in.
Dimensions (mm)
Assembly--Length: 318 mm; Height: 420 mm; Width: 211 mm; Neck: 159 mm; Radius; 71 mm
Weight (lb)
64.7 lb
Weight (kg)
29.4 kg
Mounting
ANSI Flanged
Approvals, Underwriters Laboratories Inc.
C/US UL873, Plenum Rated
Shipping and Storage Temperature Range (F)
-40 F to 250 F
Shipping and Storage Temperature Range (C)
-40 C to 121 C
Approvals, CE
Compliant
Enclosure
NEMA 2 housing
Ambient Temperature Range (F)
Actuator-- -5 F to 140 F
Ambient Temperature Range (C)
Actuator-- -20 C to 60 C
Connection Type
Lugged
Body Pattern
3 way (A-B-AB porting)
Pipe Size (inch)
3 in.
Pipe Size (DN)
DN80
Maximum Differential Pressure Ratings (Close-off) (psi)
175 psi
Maximum Differential Pressure Ratings (Close-off) (kPa)
1206 kPa
Capacity (Cv)
at 60 degrees stroke--154 Cv; at 90 degrees stroke--461 Cv
Capacity (Kv)
at 60 degrees stroke--133 kvs; at 90 degrees stroke--399 kvs
Valve Action
Normally Closed
Valve Type
Butterfly
Controlled Fluid
Chilled or hot water with up to 50% Glycol. Not for use with steam or fuels.
Materials (Body)
Polyester-coated cast iron ASTM A126 Class B
Materials (Seat)
Peroxide-cured EPDM resilient seat
Materials (Stem)
416 Stainless Steel
Flow Characteristic
Modified Equal Percent
Actuation
Electric floating, Non-Spring Return Floating control
Static Pressure Rating (psi)
250 psi Maximum
Static Pressure Rating (kPa)
1724 kPa Maximum
Flange Bolts
4, Flange Bolt Thread--5/8 in. -11 pitch
Materials (Plug/Ball/Disc)
Nylon 11-coated ductile iron (optional: Aluminum, bronze, and stainless steel)
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