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Danfoss SVA-S User Manual

Danfoss SVA-S
12 pages
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Installation guide
Shut-off valves
SVA-S 6-10
148R9553
148R9553
© Danfoss | DCS (MWA) | 2018.05
DKRCI.PI.KD1.B5.ML | 520H6320 | 1
Max. Nm
Nm máx.
最大Nm
Maks. (Nm)
Макс.
момент
затяжки, Нм
Max. LB-feet
lb-ft máx.
Max. Lb-piedi
最大LB-英尺
Maks. (lbf x ft)
Макс.момент
затяжки,
фунт/фут
65 (+/- 5) 59
Danfoss
M148B0029_1
Danfoss
M148B0033_1
Danfoss
M148B0034_1
Installation / Instalación / Installazione / 安装 / Montaż / Монтаж
1
2a 2b
3
4a 4b 5a
5b
5c
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Danfoss SVA-S Specifications

General IconGeneral
TypeSVA-S
CategoryControl Unit
Operating Voltage24 V AC/DC
Ambient Temperature Range-20 °C to +60 °C
Protection ClassIP20
Housing MaterialPlastic
Weight0.2 kg
Relative Humidity95% (non-condensing)

Summary

Installation

Refrigerant Compatibility

Lists compatible refrigerants and circuit type for valve usage.

Operating Temperature Range

Specifies the operational temperature limits for the valve.

Maximum Working Pressure

Indicates the maximum designed working pressure for the valves.

Installation Procedure

Details valve orientation and piping system considerations for mounting.

Recommended Flow Direction

Guides installation based on flow arrow and manual force limits.

Welding Procedures

Outlines bonnet removal and protection during welding operations.

Maintenance

Packing Gland Service

Explains replacing the packing gland and associated precautions.

Backseating the Valve

Describes the procedure for fully opening the valve spindle.

Pressure Equalization

Details equalizing pressure before gland removal.

Packing Gland Removal

Outlines the steps required to safely remove the packing gland.

Valve Dismantling

Provides checks and precautions before dismantling the valve.

Cone Replacement

Details the steps for replacing the valve's internal cone.

Post-Maintenance Assembly

Covers reassembly after component replacement or repair.

Tightening Specifications

Specifies torque values for bonnet and gland tightening.

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