DKZ GS

Butterfly Valve DKZ 103 GS®

For now 20 years Warex is manufacturing Shut-Off Valves which can be used for the explosion – technical decoupling. The Shut-Off Valves of the class
DKZ 103 GS are type-tested by the Dekra / Exam GmbH. The standard class DKZ 103 GS is shock pressure resistant up to 10 bar. When closed, and given that the disc’s surface and the gasket is not damaged, the Butterfly Valves are effective against flame propagation with view to explosions of propane/air mixtures, of gas/air mixtures, of hybrid mixtures the explosions of which run similarly to those of propane/air mixtures as well as with view to explosions of organic dusts of dust explosion classes St 1 an St 2. In addition to that, the Protective Systems with the Butterfly Valves of
type series DKZ 103 GS are, when closed, effective against flame propagation with view to explosions of aluminium dust/air mixtures as well as with view to explosions of metallic dust/air mixtures with dusts of dust explosion class St3 (Kst ≤ 500), the explosions of which run similarly to those of aluminium dust/air mixtures. The class DKZ 103 GS-ST3 is applicable for aluminium dust / air mixtures and metallic dust of the dust explosion class St3 (Kst ≤ 1000 bar · m/s). The shock pressure resistance is 14 bar.

  • As GS-ST3 version applicable up to 150°C, within 14 bar shock pressure resistance see type test certificate BVS07ATEXH060X
  • Within reduced explosion pressure (0,3 bar) also usable up to 200°C, according to type test BVS07ATEXH060X, addition 1
  • Version DKZ 103 GS available up to DN 500
  • Seals exchangeable on-site (exception vulcanized version)
  • Seals with a lateral projection and an additional seal face guarantee a perfect sealing between flanges
    without additional flange seals
  • Shafts and armature head qualified for the construction of the different drive possibilities, cutting point according to DIN/ISO 5211
Housing
Silumin (Aluminium), steel, stainless steel
Valve Disk
stainless steel, ground and polished
Sleeve
NBR, Hypalone, EPDM, FPM, Silicone, amongst others
Shafts
stainless steel 1.4571 + 1.4057 + 1.4542
Bearing bush
MS, PTFE-coal, bronze
O-Rings
NBR, FPM
  1. Body
  2. Valve Disc
  3. Seat
  4. Shaft
  5. Retaining ring
  6. O-Rings
  7. Connection flange
  8. Bearing pin
  9. Seal
  10. O-Rings
  11. Plug screw
  12. End plate

DKZ 103 GS

Butterfly Valve explosion pressure proof
and flame proof up to 10 bar according EC-type Examination.

  • Range of Nominal Widths: DN 50 – DN 500
  • Operating Temperature: – 10°C to + 60°C*
  • Explosion pressure proof: up to 10 bar*
  • Sleeve: replaceable or fix vulcanized
  • According to EC-Type Examination Certificate BVS03AtexH023X

Butterfly Valve explosion pressure proof
and flame proof according EC-type Examination.

  • Range of Nominal Widths: DN 50 – DN 200
  • Operating Temperature: – 10°C to + 150°C*
  • Explosion pressure proof: up to 14 bar*
  • Sleeve: replaceable or fix vulcanized
  • According to EC-Type Examination Certificate BVS07AtexH065X

* Operational limitations depend on nominal width, temperature and composite materials. Crucial are the parameters set in the confirmation.

EXHIBITION DATES

Technical Days 2019 Hanau
24. – 25.09.2019

VRAC TECH-BULK TECH 2019
01. – 03.10.2019

NEWS

EXHIBITION DATES

POWTECH 2019 09. – 11.04.2019

VRAC TECH-BULK TECH 2019 01. – 03.10.2019

NEWS