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Technical Tools
Everything you need to specify, certify, and source the right valve — certificates, resistance testing, custom solutions, and more.
01/03
Butterfly Valves
Butterfly Valves – Types & Selection
From concentric to double‑offset designs – Butterfly valves are the optimal solution for compact, high‑capacity shut‑off in waterworks, chemical plants, and HVAC systems. Choose between wafer and lug types.
- Concentric / double‑offset – Standard or high‑performance with friction‑free seating
- Body materials: GGG40 (epoxy coated) or stainless steel 1.4408
- Seat rings: EPDM (water), NBR (oil/gas), FKM (chemicals), PTFE (universal)
- Actuation: Hand lever, gearbox, pneumatic or electric
- Certifications: DVGW, TA‑Luft, ATEX, SIL 3, FDA
02/03
Ball Valves
Ball Valves – Industrial Guide
From full‑bore to 3‑way ball valves – learn all about how they work, design variants, and the right material choice for your application. Including bubble‑tight sealing, 90° actuation, and minimal pressure loss.
- 1,172+ variants ex stock – DN8 to DN250
- Bubble‑tight sealing (Class VI per ANSI FCI 70‑2)
- Materials: Brass, V2A/V4A (1.4408/CF8M), duplex, PFA‑lined
- Actuation: Hand lever, pneumatic, electric (ISO 5211)
- Certifications: DVGW, TA‑Luft, ATEX, SIL 3, FDA
03/03
Check Valves
Check Valves – Industrial Guide
From classic wafer check valves to PFA‑lined special versions – learn about the operating principle, types, and materials. Including spring return and water hammer protection.
- Types: Wafer, dual plate, threaded, PFA‑lined
- Materials: Stainless steel, zinc‑plated carbon steel, GGG40, brass
- Seals: NBR, EPDM, FKM/Viton, PTFE, metal
- Spring return: optional for fast closing
- Pressure ratings: PN6–PN40, DN10–DN600 ex stock
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