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Parts Ordering Information 

 
 
 

KEY 
 
 1 

 

EVT-1CPVC- 25 

 
 
 2 

 

EVB -2* * * -  * *-  * * 

 
 
 
 
 3 

 

EVD-3- 25- * *  

 
 
 4 

 

EVAB-4-25 

 
 5 

 

EVS-5- 25 

 

 6 

 

EVBD-6- 25 

 
 7 

 

EVBD-7- 25 

 
 8 

 

EVSB-8-25 

 
8A 

 

EVSB-8A-*  

 
 9 

 

EVBN-9- 25 

 
10 

 

EVBC-10- 25 

 
11 

 

EVGC-11- 25 

 
12 

 

EVTC-12-* *-25 

 
13 

 

EVO-13-25*  

 
14 

 

EVUN-14-* * -25 

 
15 

 

EVUI- 15- * * - * *- * * 

 
 
 
 

 
 
 

 

  Size:  

  25 = 1/4

” S/S valve 

 

  38 = 3/8

” S/S valve

 

  50=  1/2

” S/S valve

 

  

Material:

 

  PVC  =polyvinyl chloride 
  CPVC=Corzan 
  PP     =polypropylene 
  PVDF=polyvinyldene fluoride 
  S/S6  =316L stainless steel

  

Connection: 

  A= NPT  
  B= BSPT 
  C= S/W N.A. 
  D= S/W Metric  
  E= Flg. ASME 
  F= Flg. DIN 
  

G= Union Thr’d

 

Material: 

TFE=PTFE/EPDM 
E    =EPDM 
V    =viton 

Size: 

25 = 1/4

” S/S valve 

 

38 = 3/8

” S/S valve

 

50= 1/2

” S/S valve

 

Colour: 

G=  Green     =1/4

” valve

 

B=  Brown    =3/8

” valve

 

Y=  Yellow     =1/2

” valve

 

“O” Ring seal:

 

V= viton 
E= EPDM 
T= PTFE encapsulated viton 

Connection: 

NPT  =NPT 
BSPT=BSPT 
SOC =S/W Imperial 
SOC-M=S/W Metric

 

Size: 

25 = 1/4

” S/S valve 

 

38 = 3/8

” S/S valve

 

50=  1/2

” S/S valve

 

Material:

 

  PVC  =polyvinyl chloride 
  CPVC=Corzan 
  PP     =polypropylene 
  PVDF=polyvinyldene fluoride

 

Material:

 

  PVC  =polyvinyl chloride 
  CPVC=Corzan 
  PP     =polypropylene 
  PVDF=polyvinyldene fluoride

 

Содержание ECO-25

Страница 1: ...ation and instructions that must be read understood and followed to ensure that the equipment is installed operated and serviced in an appropriate manner Failure to do so before using may result in hazardous consequences and or improper operation Manufactured by PRIMARY FLUID 1050 Cooke Blvd Burlington Ontario L7T 4A8 SYSTEMS INC Tel 905 333 8743 Fax 905 333 8746 Call Toll Free 1 866 324 6422 E Ma...

Страница 2: ...sure adjustments through the range 7 150 PSIG Eco valve is available in several configurations to meet your needs such as threaded socket flanged union in DIN BSPT and American Standard Built in downstream manual air release for ease of pump priming Built in anti siphon Back Pressure Valve Anti siphon Diaphragm Back Pressure Valves serve two primary functions The first is to provide a constant dis...

Страница 3: ...he valve body the ports are normally not drilled or tapped for a gauge connection See gauge installation instructions on page 5 Caution The gauge port is solely for the installation of the gauge and cannot be used for the bleeding or venting of the system Improper operation and or hazardous consequences could result See gauge installation instructions Pressure Relief Valves Reason for Selection an...

Страница 4: ...alled on the discharge line of a pump and should be located as close as possible to the metering pump The valve is of a two port design and is required to be installed on a branch tee for piping back to the supply tank or feed side of the pump Never install shut off isolation valves between pump discharge and in line pressure relief valves When using in conjunction with a back pressure control val...

Страница 5: ...n of the diaphragm on the seat To adjust the valve to relieve air or gas downstream 1 Back off lock nut located beneath the colour coded handle 2 Turn handle counter clockwise until approximately 1 inch of thread is exposed 3 At this adjustment the spring has relieved all tension from the diaphragm allowing air or gas to be vented downstream ...

Страница 6: ... examples only Consult your engineering department for the appropriate installation for your application or call the factory for advice Example A Solenoid Driven Pumps Rated Under 150 psig Example B System arrangement for solenoid driven above 150 psig or motor driven pumps ...

Страница 7: ...7 Exploded View Back Pressure Pressure Relief Valve 1 4 ECO 25 3 8 ECO 38 1 2 ECO 50 ECO Valves ...

Страница 8: ... steel Connection A NPT B BSPT C S W N A D S W Metric E Flg ASME F Flg DIN G Union Thr d Material TFE PTFE EPDM E EPDM V viton Size 25 1 4 S S valve 38 3 8 S S valve 50 1 2 S S valve Colour G Green 1 4 valve B Brown 3 8 valve Y Yellow 1 2 valve O Ring seal V viton E EPDM T PTFE encapsulated viton Connection NPT NPT BSPT BSPT SOC S W Imperial SOC M S W Metric Size 25 1 4 S S valve 38 3 8 S S valve ...

Страница 9: ...trength as the temperature increases therefore the working pressure must be reduced accordingly The following factors will apply Temperature Correction Factors Thermoplastics Operating Factors Temperatures NR Not Recommended Recommended for continuous drainage pressure only F C PVC CPVC PP PVDF 70 21 1 00 1 00 1 00 1 00 80 27 0 90 0 96 0 97 0 95 90 32 0 75 0 92 0 91 0 87 100 38 0 62 0 85 0 85 0 80...

Страница 10: ...10 ...

Страница 11: ...nts and instructions set forth herein are based on the best information and practices known to Primary but it should not be assumed that every acceptable safety procedure is contained herein Of necessity Primary cannot guarantee that actions in accordance with such statements and instructions will result in the complete elimination of hazards and it assumes no liability for accidents that may occu...

Страница 12: ...12 Notes ...

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