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catalogue - Düker GmbH & Co KGaA

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5<br />

Gate valves type 1004<br />

with flange / PE-HD connection<br />

resilient-seated for water and gas<br />

5<br />

190<br />

Design features: Gate valve with a smooth straight-way, internal stem-thread and<br />

non rising stem. <strong>Co</strong>rrosion protection: enamel or epoxy. Resilient wedge is vulcanised<br />

with elastomer on all sides.<br />

Stem-square 12mm.<br />

Option for gate valve 1004:<br />

• with hand-wheel<br />

• with stem extension for underground installation – connection acc. to GW 336<br />

Material: Ductile cast iron acc. to DIN EN 1563; stem: stainless steel; Stem nut:<br />

special brass; rubber parts: elastomer in high quality.<br />

Resilient wedge for water: EPDM<br />

191<br />

Resilient wedge for gas: NBR<br />

Field of application ( water up to 60°; gas acc. to G 260/l )<br />

DN<br />

25 —<br />

50<br />

PN<br />

bar<br />

10/16<br />

Valves for water<br />

test-medium water<br />

bar<br />

body seat<br />

24 21<br />

Valves for gas<br />

test-medium test-medium<br />

water<br />

bar<br />

air or nitrogen<br />

body acc. to DIN 2470<br />

24 ( DIN 3230, part 5 PG 1–3 )<br />

Dimensions and weights ( Dimensions in mm )<br />

DN<br />

40<br />

50<br />

L<br />

280<br />

286<br />

h 1<br />

151,5<br />

178,5<br />

FT<br />

70,4<br />

75,4<br />

ø D 1<br />

150<br />

165<br />

K<br />

110<br />

125<br />

L 2<br />

19<br />

19<br />

ø D<br />

50<br />

63<br />

Number of<br />

screws<br />

4<br />

4<br />

a<br />

13<br />

13<br />

Weight<br />

in kg ≈<br />

7,3<br />

9,5

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