Pneumatic Soft Start Valves

A pneumatic soft-start valve enables downstream pressure to slowly increase back into a pneumatic system. Soft start valves can prevent cylinders, actuators and other pneumatic equipment from being irreversibly damaged. RS Components offer a range of high-quality valves from leading brands including SMC, Festo and Legris.

Why are pneumatic soft start valves important?

Industrial pneumatic systems are often complex and depending on the application they can have varying numbers of air cylinders and other air actuators all running at different times and speeds. If maintenance or repair is needed all compressed air must be completely exhausted from machinery, airlines, air valves and air cylinders. This is essential for engineers to work safely.

The industrial pneumatic air mains supply is pressurized to 100psi and above. It is essential that this high-pressure air is not opened fully straight away. If air at full volume and pressure was introduced straight away it could have disastrous and costly results.

How does a pneumatic soft-start valve work?

Soft start valves work by opening the airflow slowly, gradually allowing a low flow of compressed air into the complete system. This ensures that the various actuators are brought up to full operating pressure slowly and safely. When all equipment is up to a threshold line pressure the soft-start valve will open fully allowing full compressed air back into the system for machines to work properly.

Our soft start valves are available in selection specifications including body materials, flow rates, threaded inlet port sizes and pressure ratings to suit a range of pneumatic control and automation applications.


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Description Price Manufacturer Series Type Flow Rate Supply Inlet Port Outlet Tube Size Minimum Operating Pressure Supply Inlet Port Thread Gender Maximum Operating Pressure Supply Inlet Port Thread Standard Supply Inlet Port Thread Size Body Material Standards Met
RS庫存編號 202-3251
製造零件編號MS6-SV-1/2-D-10V24-2M8-SO-AG
BrandFesto
HK$6,742.97
單位
MS Exhaust valve 4300L/min - 6mm 3.5bar Female 10 bar G 1/2 in - -
RS庫存編號 202-3219
製造零件編號MS6-SV-1/2-E-10V24-AG
BrandFesto
HK$10,025.93
單位
MS Exhaust valve 4300L/min G 1/2 Female 6mm 3.5bar Female 10 bar G 1/2 in - -
RS庫存編號 907-6605
製造零件編號AV2000-02-5DZ-Q
BrandSMC
HK$1,497.17
單位
AV2000 Control Valve - R 1/4 Female - 0.2MPa Female 1 MPa, 1.5 (Proof) MPa R 1/4in Die Cast Aluminium CE, EC Directive, TUV
RS庫存編號 885-2240
製造零件編號EAV2000-F02-5DZ-Q
BrandSMC
HK$1,586.96
單位
AV2000 - - G 1/4 Female - 0.2MPa Female 1 (Operating) MPa, 1.5 (Proof) MPa G - Aluminium Die Cast -
RS庫存編號 202-3168
製造零件編號MS6-SV-1/2-E-10V24-SO-AG
BrandFesto
HK$10,625.70
單位
MS Exhaust valve 4300L/min G 1/2 Female 6mm 3.5bar Female 10 bar G 1/2 in - -
RS庫存編號 907-6609
製造零件編號AV4000-04-5DZ-Q
BrandSMC
HK$1,635.55
單位
AV4000 - - - - 0.2MPa - 1 MPa - - ADC -
RS庫存編號 202-3218
製造零件編號MS6-SV-1/2-D-10V24P-2M12-SO-AG
BrandFesto
HK$6,822.30
單位
MS Exhaust Valve 4300L/min G 1/2 Female - - Female 10bar G 1/2in - -
RS庫存編號 873-2626
製造零件編號EAV4000-F04-4YO-Q
BrandSMC
HK$1,689.62
單位
AV4000 Control Valve - G 1/2 Female - 0.2MPa Female 1 (Operating) MPa, 1.5 (Proof) MPa G 1/2in ADC TUV
RS庫存編號 196-4543
製造零件編號AV2000-F02-5DZ-Q
BrandSMC
HK$1,571.25
單位
AV2000 - - G 1/4 Female - 0.2MPa Female 1 MPa G 1/4in ADC -
RS庫存編號 202-3166
製造零件編號MS6-SV-1/2-E-10V24-AD1
BrandFesto
HK$11,670.03
單位
MS Valve 4300L/min G 1/2 Female - 3.5bar Female 10 bar G 1/2 in Aluminium ISO8573-1:2010
RS庫存編號 873-2512
製造零件編號EAV4000-F04-5DZ-Q
BrandSMC
HK$1,733.60
單位
AV4000 Control Valve - G 1/2 Female - 0.2MPa Female 1 (Operating) MPa, 1.5 (Proof) MPa G 1/2in ADC TUV
RS庫存編號 202-3210
製造零件編號MS6-SV-1/2-D-10V24-2M8
BrandFesto
HK$5,993.22
單位
MS Exhaust valve 4300L/min G 1/2 Female 6mm 3.5bar Female 10 bar G 1/2 in - -
RS庫存編號 203-0284
製造零件編號VABF-S6-1-P5A4-G12-4-1
BrandFesto
HK$3,203.76
單位
VABF Soft-Start Valve - - - - - - - - Aluminium -
RS庫存編號 203-0321
製造零件編號VABF-S6-1-P5A4-G12-4-1-P
BrandFesto
HK$3,732.53
單位
VABF Soft-Start Valve - - - - - - - - Aluminium -
RS庫存編號 724-655
製造零件編號7870 08 13
BrandLegris
HK$590.55
單位
7870 Control Valve - G 1/4 Male 8mm 1bar Male 10 bar G 1/4 in - -
RS庫存編號 202-3193
製造零件編號MS6-SV-1/2-D-10V24-2OE-SO-AG
BrandFesto
HK$6,620.44
單位
MS Exhaust Valve 4300L/min G 1/2 Female - - Female 10bar G 1/2in - -
RS庫存編號 202-3224
製造零件編號MS9-SV-G-C-V24-S-VS
BrandFesto
HK$6,424.71
單位
MS - 8, 300 to 16, 550L/min G 1/4 Female - - Female 16bar G 1/4in - -
RS庫存編號 196-4544
製造零件編號AV3000-03-5DZ-Q
BrandSMC
HK$1,614.79
單位
AV3000 - - G 3/8 Female - 0.2MPa Female 1 MPa G 3/8in ADC -
RS庫存編號 724-649
製造零件編號7860 08 13
BrandLegris
HK$639.48
單位
7860 System Isolator - G 1/4 Male 8mm 1bar Male 10 bar G 1/4 in - -