Valve selection

The designation of the appropriate valve in a maximum 5 steps:

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           Please provide the following Information:
Nominal Diameter (orifice)           e.g DN 8 DN
Nominal Pressure                         e.g PN 160 PN
Material                                        e.g Wst. Nr. 1.4571
Working temperature                   e.g 120°C TB                                                    °C
Working pressure                         e.g 110 bar PB


Ventil - Anschlüsse:

inlet              e.g. weld end for 1/2“ pipe, wall thickness 3,2 = pipe
                            21,3 x 3,2
                                                                       
outlet            e.g. cutting ring connection für O.D.
                            12mm Tube

tl_files/bollin/img/Armaturenauswahl/Armaturenauswahl_3.PNG  
Send this Information to the Bollin Firm (FAX-Inquiry / Order sheet page 3; FAX ++49-6171-88 33 66-9) with a request to process your order for the above specified valves, or you go on with point 3.

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By consulting the specification pages A10 / A12 in the chapter on shut-off valves, check if the connections and the requirements regarding the working pressure and temperature of the type are covered. If this not proves, please refer to the Bollin Firm (FAX ++49-6171-88 33 66-9).td>
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Check if the connections (inlet and outlet) wich you require are possible with one of the valve types
A3 - A11, according to the following table.
• If yes: Then you can choose this type.
• If not: Check the next largest valve
• or refer directly to the Bollin Firm (Fax ++49-6171-88 33 66-9).

 

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Definition of the appropriate valve types through the following diagram ondesign, connection criteria, working temperature

connection-criteria for valve ... (A...)

A3

A7

A11

cutting ring (twin ferrule unions)

SV / KL ≤ 14S oder 15L

16S oder 18L

25S oder 28L

G - male thread

without sealing collar

GA ≤

G1/2“

G3/4“

G1“

with sealing collar

GB ≤

G3/8“

G5/8“

G3/4“

G - female thread

without recess

GI ≤

G3/8“

G1/2“

G1“

with recess

GE ≤

G1/4“

G1/2“

G3/4“

M - male thread

without sealing collar

MA ≤

M20 x 1,5

M27 x 1,5

M33 x 2,0

with sealing collar

MB ≤

M16 x 1,5

M22 x 1,5

M33 x 2,0

M - female thread

without recess

MI ≤

M16 x 1,5

M22 x 1,5

M33 x 2,0

with recess

ME ≤

M14 x 1,5

M20 x 1,5

M27 x 2,0

NPT - male thread

NA ≤

1/2-14NPT

3/4-14NPT

1-11.5NPT

NPT - female thread

NI ≤

1/4-18NPT

1/2-14NPT

1-11.5NPT

but weld end

SZ ≤

1/2“ (21,3)

3/4“ (26,9)

1“ (33,3)

socket weld end

SM ≤

3/8“ (17,2)

1/2“ (21,3)

3/4“ (26,9)

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   tl_files/bollin/img/Armaturenauswahl/Armaturenauswahl_8.PNG
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