Product data sheet
Valve
2-977-24-0804-8505-2E2,
September 20, 2026
Seat Valve pneum. direct
Series 2/977-08-ATEX
Valve 2/977-24/0804/8505-2E2

The Type 2/977 2/2-way angle seat valves are designed for use in hazardous areas and are certified in accordance with ATEX II 2GD c 04 ATEX D 042 X, making them suitable for applications in both gas- and dust-explosive atmospheres. The valves are pneumatically actuated and require an external pilot air supply of 4 to 10 bar for operation. They feature a robust and proven design combined with fast response times, ensuring reliable performance in demanding industrial applications.

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Valve 2/977-24/0804/8505-2E2
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Datasheet explicit
Version2/977-
Type of valveSeat Valve pneum. direct
Connection type, valve seat24G3/4 18mm
Kv-value (Δp = 1 bar H₂O)6.5 m³/h
Housing08AISI 316
Sealing04PTFE
Function8OPEN with spring
Design5Actuator nickle plated
Actuator size05⌀50
Actuator volume60 cm³
Valve option2E2Sensor for OPEN and CLOSE, inductive, PNP, 3‑wire, normally open (NO)
Pressure ratingPN40
System pressure0 - 20 bar (the max. operating pressure requires a control pressure of min. 6 bar)
Control pressure4 - 10 bar Oil-free/oil-containing, clean compressed air, max. +50°C
Temperature Mediumfrom -40 °C to 200 °C
Temperature Environmentfrom -10 °C to 60 °C
Mounting positionin any position
Specific use caseClosed system (includes open system)
scope of delivery1 valve
Not applicable
Valve option2E2Sensor for OPEN and CLOSE, inductive, PNP, 3‑wire, normally open (NO)
Description2 pieces cylinder sensor, type MZT8‑03VPS‑KU0‑1044469 | Valve position: OPEN and CLOSE
Leakage rateA - EN 12266-1 [Test medium air or nitrogen, 20°C room temperature]
REACH-RoHS conformityREACH Yes | RoHS Yes
Net weight1.8 kg
Customs exportCustoms tariff number 84812090; Country of origin Germany; ECCN (US): N; AL: N