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Fig. 306F Pressure Independent Control Valve

Verified by manufacturer 1 month ago

DN50

Hattersley Variant:

Ductile iron pressure independent control valve offering full authority and automatic balancing function, PN16.

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Application

  • Suitable for use with large plant items such as Air Handling Units (AHU).
  • Suitable for difficult site conditions.
  • Suitable as part of variable flow system.

Description

Ductile iron pressure independent control valve offering full authority and automatic balancing function, PN16.


Features and benefits:

  • Energy savings: Optimal control creates energy savings when used as part of a variable flow system.
  • Easy to install: For use with large plant items such as Air Handling Units (AHU), the PICV is compact and easy to install in limited and difficult site conditions.
  • Accurate flow rates: Built-in differential pressure controller ensures accurate system design flow rates are achieved and eliminates overflows caused by fluctuating system pressures, which in turn reduces the system running costs.
  • Precise temperature control: Linear or equal percentage characteristics, settable with an actuator, contribute to precise environmental temperature control.

General information

Color

Grey

Guidance for specification option:

Body.

Black

Yellow

Material

Cast iron

Uniclass

Pr_65_54_95_63 Pressure-independent control valvesPrimary

CAWS

S90/650 Flow-reducing/ servicing valves

S90/650 Flow reducing/ servicing valves

S90/630 Double check valve assemblies

Product range

PICV - Pressure Independent Control Valve

Specification data - Pressure-independent control valves

Pressure rating

PN16.

Temperature range

+5 to +120°C.

Material

Body, bonnet and bottom cover: Ductile iron GCD450, Seat and plug (FC): Bronze CC491K, Diaphragm plate (PC), stem and guide bush (FC): Stainless steel grade 304S15 – 1.4301, Bearing sleeve (FC), plug, stem and guide (FC): Nylon PA66, Diaphragm (PC) and O-rings: EPDM, Springs (PC): Spring steel.

Guidance for specification option:

  • FC: Flow Controller.
  • PC: Pressure Controller.


Manufacturer guidance

  • Ductile iron to EN-GJS-450-10 (GCD450).
  • Bronze to BS EN 1982: CC491K.
  • EPDM: Ethylene propylene diene monomer.


Connections

Flanges to BS EN 1092-2 PN16.

Actuator

Modulating.

Guidance for specification option:

  • Actuator supplied and fitted.
  • Can be configured to Modulating/ 3 Point/ On-Off Linear and Equal Percentage control characteristic.

Inlets/outlets diameter

DN50.

Manufacturer guidance

Nominal.

Dimensions

254 x 139 x 154 x 191 x 291 x 165 x 50 mm.

Manufacturer guidance

Nominal L x W1 x W2 x H1 x H2 x D x B.

Weight

33 kg.

PressureRange

Flow: 100%: 50–400 kPa, 80%: 40–400 kPa, 30%: 30–400 kPa.

Flow rate

20 m³/h.

Manufacturer guidance

Maximum.

Ingress protection (IP) rating

IP54.

Tolerances

+/-10%.

Manufacturer guidance

Flow accuracy.

FlowrateLeakage

Linear: Class IV (0.01% of maximum flow), Equal percentage: 2% of maximum flow.

Manufacturer guidance

Seat leakage.

Sustainability data

Material

Cast iron

Recyclability

Recycle locally

Expected Life

20 year

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