FESTO 657964 ring

Name: 657964 FESTO
Brand: FESTO
SKU: 685670-en-usd
Price: 2.76 USD
Availability: InStock

DFM- 25-B

$2.76 2 pcs. with 1 to 3 days delivery to United States

Specifications

Stroke	20mm
Operating Pressure	1,5 bar ... 10 bar

Mounting Position	optional
Pneumatic connection	G1/8

Stroke		20 mm ... 400 mm
Operating mode, drive unit		Yoke
Mounting position		optional
Design		Guidance
Variants		Heat-resistant seals max. 120°C
Mode of operation		Double-acting
CE marking (see declaration of conformity)		To UK EX instructions
ATEX category gas		II 2G
Explosion ambient temperature		-20°C <= Ta <= +70°C
Note on operating and pilot medium		Lubricated operation possible (in which case lubricated operation will always be required)
LABS (PWIS) conformity		VDMA24364-B1/B2-L
Impact energy in end positions		0,15 J ... 0,3 J
Theoretical force at 0.6 MPa (6 bar, 87 psi), advance stroke		295 N
Pneumatic connection		G1/8
Material cover		Wrought aluminium alloy
Material housing		Wrought aluminium alloy

Piston diameter		25 mm
Cushioning		Elastic cushioning rings/plates at both ends Pneumatic cushioning, adjustable at both ends Shock absorber, soft characteristic curve
Guide		Plain-bearing guide Recirculating ball bearing guide
Position detection		Via proximity switch
Operating pressure		1,5 bar ... 10 bar
CE mark (see declaration of conformity)		To EU Explosion Protection Directive (ATEX)
Explosion protection		Zone 1 (ATEX) Zone 2 (ATEX)
Explosion ignition protection type for gas		Ex h IIC T4 Gb
Operating medium		Compressed air to ISO 8573-1:2010 [7:4:4]
Corrosion resistance class CRC		0 - No corrosion stress 2 - Moderate corrosion stress
Ambient temperature		-20 °C ... 120 °C
Theoretical force at 0.6 MPa (6 bar, 87 psi), return stroke		247 N
alternative connections		See product drawing
Note on materials		RoHS-compliant
Material seals		NBR
Material piston rod		High-alloy stainless steel