Product Specifications

Application

HVAC

Includes

Position Indication ; 5 mm hex crank (3/16” Allen), supplied for manual operation

Used With

MB-SR-N4HEAT Optional Heater Kit for SR NEMA 4 Actuators (Must be ordered with valve, factory installed)

Item Type

Product

Mounting

ANSI Class 125/150 flange compatible

Frequency

50 Hz ; 60 Hz

Approvals, Underwriters Laboratories Inc.

C/US Listed

Voltage

24 Vac ; 24 Vdc

Approvals, CE

Certified

Enclosure

NEMA 4X IP66/67 (optional heater available, must order with valve and be factory installed)

Ambient Temperature Range (F)

Actuator-- -22 F to 122 F

Ambient Temperature Range (C)

Actuator-- -30 C to 50 C

Connection Type

Lugged

Body Pattern

2-way

Pipe Size (inch)

2 in.

Pipe Size (DN)

DN50

Fluid Temperature (C)

-30 C to 121 C

Fluid Temperature (F)

-22 F to 250 F

Maximum Differential Pressure Ratings (Close-off) (psi)

200 psi

Maximum Differential Pressure Ratings (Close-off) (kPa)

1380 kPa

Capacity (Cv)

at 60 degrees stroke--44 Cv; at 90 degrees stroke--115 Cv

Capacity (Kv)

at 60 degrees stroke--38 kvs; at 90 degrees stroke--99 kvs

Valve Action

Normally Closed

Valve Type

Butterfly

Controlled Fluid

Chilled or hot water with up to 60% Glycol. Not for use with steam or fuels.

Materials (Body)

Epoxy powder coated ductile iron ASTM A536

Materials (Seat)

EPDM

Materials (Stem)

416 stainless steel

Flow Characteristic

Modified Equal Percentage

Actuation

MBS7L3B4/U Modulating, spring fail-safe, actuator included

Static Pressure Rating (psi)

232 psi

Static Pressure Rating (kPa)

1600 kPa

Flange Bolts

4, Flange Bolt Thread--0.625 in. -11 pitch

Materials (Plug/Ball/Disc)

304 stainless steel