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Spring Loaded

A44Y Spring Full Lift Enclosed Safety Valve with Spanner (PN16/25/40)

ModelA44Y-16/25/40-C/P/R

A44Y Spring Full Lift Enclosed Safety Valve with Spanner (PN16/25/40)

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A44Y-16/25/40-C/P/R

A44Y Spring Full Lift Enclosed Safety Valve with Spanner (PN16/25/40)

Spring loaded full lift enclosed safety valve with a spanner and flanged connections for overpressure protection. Available in PN16, PN25 and PN40 with inlet sizes from DN20 to DN400, for air, steam and petroleum up to 300°C in C versions, or corrosive media up to 200°C in P/R versions.
Product
A44Y Spring Full Lift Enclosed Safety Valve with Spanner (PN16/25/40)
Family
Spring Loaded
Model
A44Y-16/25/40-C/P/R
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Product Overview

Operating purpose and application context

Use

The A44Y-C safety valve provides overpressure protection for equipment and pipelines handling media such as air, steam and petroleum at operating temperatures up to 300°C.

The A44Y-P/R versions provide overpressure protection for equipment handling corrosive media at operating temperatures up to 200°C.

Technical Data

Operating and connection data

Only populated values from this Product record are displayed.

Pressure Range
PN16 / PN25 / PN40 (1.6 / 2.5 / 4.0 MPa)
Temperature Range
C: ≤300 °C; P/R: ≤200 °C
Size Range
Inlet: DN20–DN400; Outlet: DN25–DN500
Connection Type
Flanged

Product Datasheet

Connection Dimension Table

Nominal diameters and corresponding connection dimensions.

Nominal
Diameter		 Dimensions
DN d0 DN′L L1 Approx. H
20152511095307
25163211095307
322040115100311
402550120110330
503265135120340
654080160140426
8050100170135438
10065125205160557
12580150210190641
150100175255230656
200125250305260795
250150300350320995
3002004003703501263
3502505003754151711
4002805003954151780

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Dimensions are reproduced from the supplied source table. Confirm the applicable drawing and units before publication or contractual use.

Operating Context

Where this product is currently classified

Media
AirCorrosive MediaLiquidSteam
Materials
WCB, ZG230-450ZG1Cr18Ni12Mo2TiZG1Cr18Ni9Ti

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