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Overview

These single seated valves are used for modulating control of hot / chilled water or steam in heating, ventilating and air conditioning systems. The valves can be operated by linear actuators M6421B and M7421B or by pneumatic actuators MP953.

Features

  • Cast iron body with flanged end connections
  • Low seat leakage rate
  • Metal to metal seating for long life span
  • Self adjusting packing
  • Accurate positioning to ensure state-of-the-art temperature control
  • Easy mounting of direct coupled electric and pneumatic actuators
  • Constant total flow throughout full plug travel

Product Specifications

Application
For heating and air conditioning in closed circuit systems; hot/cold water quality, and greenhouses
Maximum Safe Operating Pressure (kPa)
600 kPa
Used With
Electric Actuators (1800 N) M6421B or M7421B; Pneumatic Actuators MP953A or MP953C
Item Type
Product
Pressure Range (psi)
PN6
Connection Type
Flanged per ISO 7005-2
Body Pattern
Three-way mixing
Pipe Size (inch)
6 in.
Pipe Size (DN)
DN150
Fluid Temperature (C)
2 C to 120 C
Fluid Temperature (F)
36 F to 248 F
Maximum Differential Pressure Ratings (Close-off) (kPa)
Close off pressure with 1800N motor: 80 kPa
Capacity (Kv)
310 Kvs
Valve Action
Stem up to close port A-AB
Valve Type
Flanged single seated vlave
Controlled Fluid
Water
Materials (Body)
Cast iron (GG25)
Materials (Seat)
Body Integrated
Materials (Stem)
Stainless steel
Flow Characteristic
Equal percentage port A-AB, Linear port B-AB
Stem Travel (in.)
1-1/2 in.
Stem Travel (mm)
38 mm
Materials (Plug/Ball/Disc)
Plug: Stainless steel, skirt guided
Materials (Packing)
Spring-loaded PTFE cone rings
Leakage
≤ 0.1% of kVS port A-AB, ≤ 1% of kVS port B-AB
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