Request a Quote

Spring Loaded

A42Y Full Lift Closed Safety Valve (PN16/25/40)

ModelA42Y-16/25/40-C/P/R

A42Y Full Lift Closed Safety Valve (PN16/25/40)

Select a thumbnail to review the product images.

A42Y-16/25/40-C/P/R

A42Y Full Lift Closed Safety Valve (PN16/25/40)

Spring loaded full lift safety valve with a closed design and flanged connections for equipment and pipeline overpressure protection. Available in PN16, PN25 and PN40 with inlet sizes from DN20 to DN400, for air, petroleum gas and liquids up to 300°C in C versions, or corrosive media up to 200°C in P/R versions.
Product
A42Y Full Lift Closed Safety Valve (PN16/25/40)
Family
Spring Loaded
Model
A42Y-16/25/40-C/P/R
Request a QuoteContact HHSV

Product Overview

Operating purpose and application context

Use

The A42Y-C safety valve provides overpressure protection for equipment and pipelines handling media such as air, petroleum gas and liquids at operating temperatures up to 300°C.

The A42Y-P/R versions provide overpressure protection for equipment and pipelines 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
DNd0DN′LL1Approx. H
20152511095281
25163211095281
322040115100285
402550120110295
503265135120305
654080160140394
8050100170135406
10065125205160511
12580150210190586
150100175255230601
200125250305260734
250150300350320928
3002004003703501159
3502505003754151314
4002805003954151530

Swipe horizontally to view all dimensions →

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 MediaGasLiquid
Materials
WCB, ZG230-450ZG1Cr18Ni12Mo2TiZG1Cr18Ni9Ti

Continue Comparing

Related products

Request Engineering Review

Send your service conditions for product verification.

Share the medium, required capacity, operating and set pressure, temperature, backpressure, connections, materials and applicable certification requirements.

Request a QuoteContact HHSV