ds

For Use In

Water Supply

Sewage Treatment

Fire Fighting

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VALVES

Technical Catalogue

Gate Valves

Fire Hydrants

Check Valves

Air Valves

WORLD LEADERS IN VALVE TECHNOLOGY

SANS 664:1999

VALVES

SANS 664:1999

U

VALVES

SANS 664:1999

VALVES

SANS 664:1999

U

VALVES

SANS 664:1999

SANS 664:1999

VALVES

SANS 664:1999

VALVES

SANS 664:1999

SANS 664:1999

AVK WEDGE GATE VALVE, PN10/16 37/40

Cap top as standard

Ductile iron construction, with gun metal seat

rings

O-ring stem seals replaceable under

pressure

Fully corrosion resistant construction

Fusion bonded epoxy coating

Body bonnet bolt sealed with hot melt

Lifting points

Bosses for sampling or by-passing (undrilled)

Hand wheel

ISO mounting gland flange

Electric actuation

Bevel or spur gear boxes

Alternative flange drilling

Clock wise to open (red insert)

Clock wise to close (white insert)

The Series 37/40 is a metal seated, wedge gate valve, suitable for use with water and neutral liquids,

to a maximum temperature of +70C.

SANS 664:1999

AVK WEDGE GATE VALVE, PN10/16 37/40

Hydraulic test to BS 5163:1986

Seat: 1.1 x PN (PFA) Body: 1.5 x PN (PFA) Operating

torquetest

Maximum Working Pressure: 16 Bar (1.6 mpa)

Temperature Range: - 10C to + 70C. Insulation

essential for temperatures of

0C and below.

8.8, BS 4168- 1 (DIN 912),

SANS 664:1999

U

SANS 664:1999

SANS 664:1999

AVK SWING CHECK VALVE PN 10 OR PN 16 41

U

SANS 664:1999SANS 664:1999

AVK SWING CHECK VALVE PN 10 OR PN 16 41

SANS 664:1999

AVK SWING CHECK VALVE PN 10 OR PN 16 41

SANS 664:1999

AVK SWING CHECK VALVE ACCESSORY KIT 41

SANS 664:1999

AVK BALL CHECK VALVE PN 10 53/3X

U M

SANS 664:1999

AVK BALL CHECK VALVE PN 10 53/3X

SANS 664:1999

AVK DOUBLE ORIFICE AIR RELIEF VALVE PN 16 851/40

Body, bonnet Ductile iron GGG-50 12 (BS 2789)

cowl

Coating Electrostatically 000 resin

internally and externally to DIN 30677

(WIS 4-52-01) 250u

Gasket, seal ring, EPDM rubber to 00

sealing face

Orifice cover, Nylon, injection moldings of glass filled

orifice bracket A190 Nilon

Washer, nut Stainless steel 304 to BS 970

bottom head cap

screw, socket

head cap screw,

pin washer,

pan head machine

screw

Seat ring, ABS (acryl N 234 ene)

guide top, is a poly : 23

guide bottom, strength

guide ring,

large orifice,

small orifice

Plug Plastic

For water 12 000 not sewage and neutral

liquiss tN234

Working pressure: min 0.1 bar

max. 16 bar

Hydraulic test: 000

Malaysian 00

SANS 664:1999

AVK DOUBLE ORIFICE AIR RELIEF VALVE PN 16 851/40

Double acting-double orifice air valve PN 16

Inlet flange to ISO 7005-2 (EN 1092-2: 1997, DIN 2501

Materials

Body, cover, side chamber Ductile Iron EN 1563 EN-GJS-500/7

Guide bottom, guide top GP-22 natural ABS

Seal ring, seat ring, guide ring GP-22 natural ABS

Large and small orifice GP-22 natural ABS

Orifice bracket/cover GP-22 natural ABS

O-ring EPDM

Grooved pin, guide pin Stainless steel A4

Plug Gunmetal

Regulating valve Nylon

Disc PA 6.6

Gasket EPDM WRAS

Bolts, nuts, washers Stainless steel A4

Coating Internal and external blue two pack epoxy coating (300 microns)

Air Valve, designed according to En1074 - 4, Standard flange drilling to EN1092-2 (ISO 7005-2)

SANS 664:1999

AVK DOUBLE ORIFICE AIR RELIEF VALVE WITH VNR VALVE 851/20

SANS 664:1999

AVK DOUBLE ORIFICE AIR RELIEF VALVE WITH VNR VALVE 851/20

DN 1

50

DN

100

DN

50 +

80

critical flow

0.2

0.4

0.6

Vacuum

pre

ssure

bar

gauge

DN

50 +

80

DN

100

DN

150

50 100 150 OutflowDischarge of free Dry Air

50

Pip

eline p

ressure

bar

gauge

0.2

0.4

0.6

0.8

1.0

Air discharge - Large orifice valves

critical flow

Pip

eline p

ressure

bar

gauge

Discharge of free Dry Air

2.25

0

8

16

24

32

0.2 0.4 0.6

16b

max working pressure

Double acting-double orifice air valve PN 16

Inlet flange to ISO 7005-2 (EN 1092-2: 1997, DIN 2501)

Component list:

1. Body 7. Washer 13. Guide top 19. Pin

2. Bonnet 8. Nut 14. Guide bottom 20. Orifice bracket

3. Gasket 9. Bottom head cap screw 15. Guide ring 21. Pan head machine screw

4. Orifice cover 10. Socket head cap screw 16. Large orifice 22 Socket head cap screw

5. Gasket 11. Seat ring 17. Small orifice 23. Washer

6. Cowl 12. Seal ring 18. Sealing face 24. Plug

Ref. nos. A B C D Weight

DN mm mm mm mm kilos

851-050-40-111-000 50 275 220 83 165 24

851-080-40-111-000 80 275 220 83 165 24

851-100-40-111-000 100 280 248 98 195 30

851-150-40-111-000 150 344 284 115 230 44

851-200-40-111-000 200 344 284 115 230

SANS 664:1999

AVK UNDERGROUND FIRE HYDRANT, PN 16 29/288

SANS 664:1999

AVK UNDERGROUND FIRE HYDRANT, PN 16 29/288

VALVES

Technical CatalogueSANS 664:1999

VALVES

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