Siemens SKP25 Series Скачать руководство пользователя страница 7

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SKP25

U.. Pressure Regulating Gas Valve Actuators 

Technical Instructions 

Document Number 155-752 

July 9, 2014 

Information in this publication is based on current specifications. The company reserves the right to make changes in specifications and models as 
design improvements are introduced. Other product or company names mentioned herein may be the trademarks of their respective owners.  
© 2005 Siemens Building Technologies, Inc. 

SCC Inc.

 

1250 Lunt Avenue 
Elk Grove Village, IL  60007 
U.S.A. 

Your  feedback  is  important  to  us.  If  you 
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Document No. 155-752 

Country of Origin: US 

Page 7 

Service 

Terminal 
Designations 

There are no serviceable parts on the SKP25

 series actuators. If inoperative, replace 

the actuator. Tag wires before servicing. 

GAS0049R1

 SKP25.012U.. 

     SKP25.011U..     

 SKP25.013U.. 

Figure 2.  Terminal Designations. 

Dimensions 

GAS0052R1

3.20

(81)

2.16

(55)

PRESSURE

TEST PORT

0.35" (8.5) O.D.

6.61

(168)

3.82

(97)

1.30

(33)

1.02

(26)

3.78

(96)

1/2"-14

NPSM

1/4"-18 NPT

FEMALE

1.41
(36)

3.15

(80)

7.95

(202)

1/4"

FEMALE

3.39 SQUARE

(86)

7.87

(200)

8.70

(221)

Figure 3. SKP25

U.. Dimensions in Inches, Millimeters in Parentheses. 

Содержание SKP25 Series

Страница 1: ...ed in combination with all VG series gas valve bodies from 1 2 inch to 6 inch in size The actuator is easily mounted on the square flange of any VG valve with four pre mounted screws A visible position indicator on the front of the actuator displays the entire stroke of the valve A light indicates when the actuator is powered Features UL listed FM approved CSA certified for USA and Canada and ISO ...

Страница 2: ...led Accessories Table 2 Product Number Description AGA22 Yellow setpoint spring for 6 to 48 WC 1 5 to 10 psi for SKP25 411U1 AGA23 Red setpoint spring for 40 to 100 WC 8 5 to 20 psi for SKP25 411U1 AGA25 2 Damping orifice for mounting into vent connection of SKP25 0 or SKP25 4 models AGA28 Black bias spring to install if SKP25 0 is used as proportionator or zero governor AGA29 Unpainted setpoint s...

Страница 3: ...m stroke Varies with valve size 14 seconds for max stroke Closing time 0 8 seconds Operation installation Outlet pressure spring range 0 to 8 5 WC standard unpainted spring AGA29 for SKP25 0 models 6 to 48 WC yellow spring AGA22 40 to 100 WC red spring AGA23 for SKP25 411U1 models 1 5 to 10 psi standard yellow spring AGA22 8 5 to 20 psi red spring AGA23 With air pressure loading for SKP25 4 0 6 WC...

Страница 4: ...0 and 100 of the stroke The adjustment screw and scale are located on the right side in the terminal box and are visible through the transparent portion of the terminal cover Figure 1 SKP25 Operation Regulating Function The outlet gas pressure sensing line is connected to the pressure regulator housing The outlet pressure acts on the regulator diaphragm The diaphragm is opposed by an adjustable se...

Страница 5: ...ns must be performed by qualified personnel only Do not pull the actuator shaft If minimum gas pressure detection is required the pressure switch must be mounted upstream of the regulating gas valve to ensure sufficient gas pressure before starting the burner If maximum gas pressure detection is required the pressure switch must be mounted downstream The AGA66 gasket must be installed between the ...

Страница 6: ... setpoint springs for an adjustable range of 1 5 to 20 psi The bias for the SKP25 611U1 model is adjustable from 0 to 4 0 WC See Specifications and Table 2 Clockwise rotation of the setpoint adjustment screw increases the outlet gas pressure The hexagonal cap must be tightened after the setpoint screw has been adjusted and may be sealed from tampering by means of a wire and lead seal WARNING When ...

Страница 7: ...U S A Your feedback is important to us If you have comments about this document please send them to techsupport SCCcombustion com Document No 155 752 Country of Origin US Page 7 Service Terminal Designations There are no serviceable parts on the SKP25 series actuators If inoperative replace the actuator Tag wires before servicing GAS0049R1 SKP25 012U SKP25 011U SKP25 013U Figure 2 Terminal Designa...

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