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Wafer Type

Product catalog summary

Overview: The document provides technical specifications and details for various types of rubber-lined concentric butterfly valves manufactured by Wouter Witzel. These valves are designed for industrial applications and are available in different configurations, including EVS, EVCS, EVBS, and EVBLS models.

Specifications:

Construction: All models feature a concentric butterfly valve design with bonded vulcanised rubber linings.
Body Type: Available in wafer and semi-lugged types.
End Connections: Compatible with multiple standards including EN 1092, ASME B16.5, MSS SP 44, AWWA C207, BS 10, and JIS.
Design Pressure: Rated at 16 bar (232 psi).
Nominal Diameter: Ranges from DN 50 (NPS 2) to DN 1400 (NPS 56) depending on the model.
Face to Face: Wafer short pattern according to EN558-1/2 Series 20 and API 609 Cat. A.
Body Material: Options include grey cast iron, nodular cast iron, steel cast, stainless steel cast, and aluminium bronze/bronze.
Sealing: Rubber seat.

Operation: The valves can be operated using various mechanisms including lever, worm gear, pneumatic actuators, electric actuators, and hydraulic actuators.

Model Specifics:

EVS: Wafer type with centring lugs, nominal diameter up to DN 1400.
EVCS: Wafer type, nominal diameter up to DN 300.
EVBS: Semi-lugged type with alignment holes for end-of-line duty, nominal diameter up to DN 300.
EVBLS: Semi-lugged type with alignment holes and long neck for end-of-line duty, nominal diameter up to DN 200.

Conclusion: Wouter Witzel's rubber-lined butterfly valves are versatile and suitable for a wide range of industrial applications, offering various configurations and materials to meet specific operational requirements.

Catalog excerpts

Wafer Type - Wouter Witzel: Wve technology - Industrial butterfly valves... https://www.wouterwitzEl.nl/segment/wafer-rubberlined-butterfly-vafves... RubberLined EVS Rubberlined EVS Short pattern, from DN 50 with centring Lugs Construction Concentric butterfly valve with bonded vulcanised rubber linings Body type Wafer type ASME B16.5 cl. 150 / B16.47 cl. 150 MSS SP 44 cl. 150 AWWA C207 cl. B, D and E BS 10 tabLe D and E JIS 5K/10K/16K Face to face Wafer short, acc. EN558-1/2 Series 20 Body material Grey cast iron Nodulair cast iron SteeL cast StainLess steeL cast Aluminiumbronze / bronze Rubber seat

Open the catalog to page 1

Wafer Type - Wouter Witzel: Wve technology - Industrial butterfly valves... https://www.wouterwitzEl.nl/segment/wafer-rubberlined-butterfly-vafves... Operation Lever Worm gear Pneumatic actuators Electric actuators Hydraulic actuators Rubberlined EVCS Rubberlined EVCS Short pattern, from DN 50 with centring lugs Construction Concentric butterfly valve with bonded vulcanised rubber linings Body type Wafer type Face to face Wafer short, acc. EN558-1/2 Series 20

Open the catalog to page 2

Wafer Type - Wouter Witzel: Wve technology - Industrial butterfly valves... https://www.wouterwitzEl.nl/segment/wafer-rubberlined-butterfly-vafves... Body material Grey cast iron Nodulair cast iron Steel cast Stainless steel cast Aluminiumbronze / bronze Rubber seat Operation Lever Worm gear Pneumatic actuators Electric actuators Hydraulic actuators Rubberlined EVBS Rubberlined EVBS Short pattern, alignment holes for end of line duty Construction Concentric butterfly valve with bonded vulcanised rubber linings Body type Semi-lugged type

Open the catalog to page 3

Wafer Type - Wouter Witzel: Wve technology - Industrial butterfly valves... https://www.wouterwitzEl.nl/segment/wafer-rubberlined-butterfly-vafves... Face to face Wafer short, acc. EN 558-1/2 Series 20 Body material Grey cast iron Nodulair cast iron Rubber seat Operation Lever Worm gear Pneumatic actuators Electric actuators Hydraulic actuators Rubberlined EVBLS Rubberlined EVBLS Short pattern, alignment holes for end of line duty and long neck Construction Concentric butterfly valve with bonded vulcanised rubber linings Body type Semi-lugged type Face to face Wafer short, acc. EN 558 / ISO 5752,...

Open the catalog to page 4

Wafer Type - Wouter Witzel: Wve technology - Industrial butterfly valves... https://www.wouterwitzEl.nl/segment/wafer-rubberlined-butterfly-vafves...

Open the catalog to page 5

Wafer Type

Wafer Type

Catalog excerpts

All Wouter Witzel EuroValve B.V. catalogs and technical brochures