September 2001

Pressure Test and Vent CouplingPressure Gauge Coupling

Shapes DEV, MAVSN 753

Dimensions in mm

Shape DEV Shape MAV

Designation of a Designation of a completepressure test and vent coupling without pressure gauge coupling shape MAV of

Minimess coupling of shape DEV the heavy-duty series (S) for pipe 10 x 1,5for pipe 30 x 4 made of steel (St) with thread d2 = G 1/2 made of steel (St):

Coupling SN 753 - DEV 30 x 4 St Coupling SN 753 – MAV-S 10 x 1,5 St

PN Designation d1 d2

Thread ofunion nut

d4

H i l1 l2 SW1 SW2Weight

kg/piece

315 DEV 10 x 1,5 10 - M 18 x 1,5 52 - 63 96 22 32 0,25

315 DEV 12 x 2 12 - M 20 x 1,5 52 - 66 97 24 32 0,28

250 DEV 16 x 2

315 DEV 16 x 2,516 - M 24 x 1,5 52 - 73 115 30 32 0,38

250 DEV 20 x 2,5

315 DEV 20 x 320 - M 30 x 2 57 - 78 125 36 41 0,62

250 DEV 25 x 3

315 DEV 25 x 425 - M 36 x 2 57 - 83 139 46 41 0,89

250 DEV 30 x 4

315 DEV 30 x 530 - M 42 x 2 59 - 91 149 50 46 1,11

16 DEV 38 x 3

250 DEV 38 x 5

315 DEV 38 x 6

38 - M 52 x 2 64 - 97 161 60 55 1,73

315 MAV-S 10 x 1,5 10 G 1/2 A M 18 x 1,5 - 20 47 64 22 27 0,14

315 MAV-S 12 x 2 12 G 1/2 A M 20 x 1,5 - 20 47 64 24 27 0,15

Continued on page 2

Bearbeitet: Normung 18.04.07

Minimess-test point couplingto be stated separately,see SN 834

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Page 2SN 753 : 2001-09

Item 1 Base body

Item 2 Union nut

Item 3 Welding cone

Item 4 O-Ring

Item 5 Elastomer seal (only with shape MAV)

Material: Steel (St)Stainless steel (1.4571)

Sealing: Perbunan, Viton

the individual items are made ofWith the materials below

Item 1 Item 2 Item 3 Item 4 Item 5

St St St St Perbunan Perbunan

St/Viton St St St Viton Viton

1.4571 1.4571 1.4571 1.4571 Perbunan Perbunan

1.4571/Viton 1.4571 1.4571 1.4571 Viton Viton

Lieferer: e.g. Fa. AVIT GmbH, 45141 EssenOther suppliers permitted if parts identical in design