Siemens VGD40.040/L User Manual

CC1U7643en
14.03.2018
Building Technologies
Operation Manual and Mounting Instructions for a
VGD4/VRD4 double gas valve with 2 SKPx5
actuators
Β
Note!
The combination of a VGD4/VRD4 double gas valve with a QPLx5 pressure switch
and SKPx5 actuator does not require any maintenance.
Caution!
This document is intended for end users. All legal, safety, warning, and
technical notes contained in the data sheets for the SKPx5 actuator (N7643),
VGD4 double gas valve (N7631), VRD4 double gas valve for biogases and
recycling gases (N7649), and the QPLx5 pressure switch (N7221) are also
applicable!

Siemens VGD40.040/L Specifications

General

Brand	Siemens
Model	VGD40.040/L
Category	Control Unit
Language	English

Summary

Use

SKP15 actuator

Describes the SKP15 actuator's function as a safety shutoff valve (OPEN/CLOSED).

SKP25 actuator

Describes the SKP25 actuator's function as a safety shutoff valve and gas pressure governor.

Application example

Description of the SKPx5 actuators

Electrical connection

Details the electrical connections for the SKPx5 actuator, including voltage activation.

SKP15 actuator

Provides a detailed description of the SKP15 actuator, including its components and operation.

SKP25 actuator

Provides a detailed description of the SKP25 actuator, including its components and operation.

Description of the VGD4/VRD4 double gas valve

Mounting position

Specifies the permissible mounting positions for the valve, with illustrations.

Torques

Lists the maximum torques for flange connections and pressure connections.

Installation dimensions for the VGD4 double gas valve with SKPx5 actuator

Pressure connections

Description of the mountable QPLx5 pressure switches

Attachment options

Connection diagram

Function as a minimum/maximum pressure switch

Explains the function of pressure switches as minimum or maximum monitoring devices.

Connection via connector AGA65 according to DIN 43650

Illustrates the electrical connection using the AGA65 connector per DIN 43650.

Technical data

SKPx5 actuator

Lists technical specifications for the SKPx5 actuator including climatic and mechanical conditions.

VGD4/VRD4 double gas valve

Lists technical specifications for the VGD4/VRD4 valve including climatic and mechanical conditions.

QPLx5 pressure switch

Lists technical specifications for the QPLx5 pressure switch including climatic and mechanical conditions.

Spare parts and accessories

Lifetime