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Overview

Used for two-position or modulating control of steam and water and glycol solutions (to 50 percent concentration) in heating or cooling systems.

Features

  • Sizes range from 1/2 to 2 inches.
  • Direct and reverse acting
  • High pressure steam models with stainless steel trim
  • Spring-loaded, self-adjusting packing.
  • Stainless steel stem prevents corrosion.
  • Valve designs provide equal percentage characteristics of flow for close control of water, and linear characteristic of flow for close control of steam or chilled water.
  • Valves utilize direct mounting, electric or pneumatic linear valve actuators; Q5001 linkage with Modutrol Motor; or Q5020/Q5022A linkages with direct coupled rotary actuators to operate the valve.
  • Not suitable for combustible gases.

Product Specifications

Dimensions (in.)
6 5/8 in. high x 3 1/4 in. wide x 1 9/16 in. deep
Dimensions (mm)
168 mm high x 82 mm wide x 39 mm deep
Maximum Safe Operating Pressure (psi)
100 psi/337 F steam
Maximum Safe Operating Pressure (kPa)
690 kPa/169C steam
Used With
Q5001/Modutrol IV Motor; MP953; Q5020/DCA; ML6984/ML7984; ML6420,21A,25; ML7420/ML7421A/ML7425
Ambient Temperature Range (F)
36 F to 248 F water; 340 F steam
Ambient Temperature Range (C)
2 C to 120 C water; 171 C steam
Connection Type
Female NPT
Body Pattern
Two-way
Pipe Size (inch)
1/2 in.
Pipe Size (DN)
DN15
Bonnet Size (in.)
1-3/8 in.
Maximum Differential Pressure Ratings (Close-off) (psi)
240 psi; For Quiet Water Service--20 psid
Maximum Differential Pressure Ratings (Close-off) (kPa)
1655 kPa; For Quiet Water Service--138 kPa
Capacity (Cv)
0.73 Cv
Capacity (Kv)
0.63 kvs
Valve Action
Stem down to close
Valve Type
Globe Valve
Controlled Fluid
Chilled or hot water with up to 50% Glycol or Steam. Not for use with fuels.
Materials (Body)
Red Brass
Materials (Seat)
Stainless Steel
Materials (Stem)
Stainless Steel
Materials (Cartridge)
Stainless Steel
Flow Characteristic
Linear
Actuation
Must be purchased separately
Static Pressure Rating (psi)
Meets ANSI 150 Standard
Static Pressure Rating (kPa)
Meets ANSI 150 Standard
ANSI/ASME Rating
150
Stem Travel (in.)
3/4 in.
Stem Travel (mm)
20 mm
Bonnet Size (mm)
35 mm
Materials (Plug/Ball/Disc)
Stainless Steel
Materials (Packing)
Teflon
Leakage
Seat: 0.05% of Cv
Approvals, CRN Number
0C0861.9087YTN/0C0861.109
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