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Festo
33970
Vacuum security valve ISV-1/4
The Festo part number 33970 is an industrial component featuring a G1/4 pneumatic connection 1, a G¼ pneumatic connection 2, and a screw-in mounting type with any mounting position. Constructed with a wrought aluminum alloy housing, hollow bolt, and compressed air filter material, a high-alloy steel spring, a POM float, and operating within an ambient temperature of -10 °C to 60 °C, this 16 g unit handles an operating pressure of -95 kPa to 0 kPa alongside an 8 MPa ejector pulse suitability. It operates using compressed air as per ISO 8573-1:2010 [7:-:-], maintains a required suction rate of 1.6 l/min at -0.5 bar, and features a corrosion resistance class of CRC 2 with VDMA24364-B2-L LABS conformity. Submit the exact part number, quantity, and application requirements to receive a quote.
Request pricing and availabilityCommercial response within one business day for your destination and required quantity.
Request a QuoteWhy no listed price?
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.
- Manufacturer
- Festo
- Part number
- 33970
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 33970.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Size
- G1/4
- Ejector pulse suitability
- 8 MPa | 8 bar
- Mounting position
- Any
- Operating pressure
- -95 kPa...0 kPa | -0.95 bar...0 bar
- Required suction rate at -0.5 bar
- 1.6 l/min
- Operating medium
- Compressed air as per ISO 8573-1:2010 [7:-:-]
- Corrosion resistance class (CRC)
- 2 - Moderate corrosion stress
- LABS (PWIS) conformity
- VDMA24364-B2-L
- Ambient temperature
- -10 °C...60 °C
- Product weight
- 16 g
- Type of mounting
- Screw-in
- Pneumatic connection 1
- G1/4
- Pneumatic connection 2
- G¼
- Material of spring
- High-alloy steel
- Compressed air lter material
- Wrought aluminum alloy | Stainless steel mesh
- Housing material
- Wrought aluminum alloy
- Hollow bolt material
- Wrought aluminum alloy
- Float material
- POM
Engineering context
Identification and RFQ Guidance
What to include in your RFQ
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Technical verification
Our sourcing response is prepared against Festo 33970. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.