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Equipment › ANVER vacuum cups › VP series flat vacuum cups › SLSA-3/4 Level Compensators

ANVER SLSA-3 and SLSA-4 Spring Loaded Vacuum Cup Suspensions

Spring suspensions compensate for height variations, soften the attach, reduce shock and extend cup life in high-speed automation.

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Vacuum Suction Cup Level Compensators
Spring Loaded Vacuum Cup Suspension Assemblies

SLSA-3 & 4 Series 1/4″ NPT, G 1/4″ and G3/8″ Versions

Manufacturer PDF

SLSA-3 level compensator

Softens the Attach and Increases the Vacuum Cup Life

ANVER vacuum cups can be mounted to most vacuum systems using spring-loaded suspension assemblies. These high-quality, well-finished assemblies are designed for high-speed automation applications. The suspension assemblies have adjustable bulkhead fittings that mount to almost any lifting frame, and a variety of tube fittings are available to connect the spring-loaded assembly with the vacuum generating system. These unique mounting systems act as extensions while providing support when handling a load.

Reduces machine indexing when picking up material from a stack
Compensates for variations in object height and offers a soft touch attach
Minimizes shock and noise to an object and machine
Provides consistent cup pressure on each pick cup, which increases cups life
Offers an easy way for the vacuum cup and vacuum lines to interface with machine tooling

ANVER can adapt the SLSA-3 & 4 vacuum cup suspensions to your particular needs with tube fittings, mini-vacuum generators, sensing valves, and custom adapters. Technical support is available.

Materials

Suspension Rod: Stainless Steel
Springs: Stainless Steel
Bulkhead Thread: Nickel-Plated Brass
Mounting Nuts: Plated Steel

Parts of the image and text below link to the related pages:

SLSA-3 level compensator

Specifications for SLSA-3 Series Vacuum Cup Suspension Assemblies

SLSA-3
	Product Photo	Part Number	Connection Thread Size	Travel in. (mm)	Height in. (mm)	Required Panel Hole Diameter in. (mm)	Maximum Panel Thickness in. (mm)	Weight lb (kg)	Adjustable Brackets for Suspensions
		SLSA-330	1/4″ NPT male	1.94 (49)	4.00 (102)	3/4 (20)	0.70 (18 mm)	0.36 (0.16)
		SLSA-370	1/4″ NPT male	3.10 (79)	6.00 (152)	3/4 (20)	0.70 (18 mm)	0.44 (0.20)
		SLSA-399	1/4″ NPT male	4.75 (120)	8.00 (203)	3/4 (20)	0.70 (18 mm)	0.52 (0.23)
SLSA-4
	SLSA-3838G-102	G 3/8″ female top male bottom	1.00 (25)	4.00 (102)	0.875 (22)	1.25 (31.8)	0.50 (0.23)

Specifications for SLSA-3 Series Vacuum Cup Suspension Assemblies with Vibration-Resistant Split Aluminum Collars
Designed for high-cycle and high-vibration robotic applications, these assemblies feature a precision split-aluminum collar with a heavy-duty set screw. The locking design clamps securely around the mounting stem, preventing hardware from backing off or shifting during continuous operation — eliminating costly downtime.

SLSA-3 Vibration Resistant
	Product Photo	Part Number	Connection Thread Size	Travel in. (mm)	Height in. (mm)	Required Panel Hole Diameter in. (mm)	Maximum Panel Thickness in. (mm)	Weight lb (kg)	Adjustable Brackets for Suspensions
N/A		SLSA-330VR	1/4″ NPT male	2.16 (55)	4.00 (102)	0.81 (21)	0.66 (16 mm)	0.36 (0.16)
N/A		SLSA-370VR	1/4″ NPT male	4.16 (106)	6.00 (152)	0.81 (21)	0.66 (16 mm)	0.44 (0.20)
N/A		SLSA-399VR	1/4″ NPT male	6.16 (157)	8.00 (203)	0.81 (21)	0.66 (16 mm)	0.52 (0.23)

SLSA-3 Suspensions on Various Sized Cups

Small Vacuum Cups with Center Suspension and Vacuum Port

Flat Cups: Center Port and Suspension

SLSA-3 Series Vacuum Cup Slide Suspension Assemblies

ANVER can adapt these vacuum cup suspensions to your particular needs with tube fittings, mini vacuum generators, sensing valves and custom adapters. Technical support is available.

Materials

Suspension Rod: Stainless Steel
Springs: Stainless Steel

Parts of the image and text below link to the related pages:

Specifications for SLSA-3 Series Vacuum Cup Slide Suspension Assemblies

Product Photo	Part Number	Connection Thread Size	Travel in. (mm)	Crossarm Size in (mm)	A in. (mm)	B in. (mm)	C in. (mm)	D in. (mm)	Weight lb (kg)
	SLSA-350-175	1/4″ NPT male	2.00 (51)	1.75 (44)	2.00 (51)	2.50 (64)	5.24 (133)	1.56 (40)	1.19 (0.54)
	SLSA-347-200	1/4″ NPT male	1.84 (47)	2.00 (51)	1.84 (47)	2.34 (59)	5.24 (133)	1.72 (44)	2.89 (1.31)

Specifications for Tube Fittings for SLSA-3 Series Vacuum Cup Suspension Assemblies
Tube fittings are purchased separately to connect the spring loaded suspension assembly to the vacuum hose. They are available in barbed, push-in, and compression connections, with straight, elbow, and tee configurations. These fittings accept tubes with standard inside and outside diameters.

Fitting Type	Part Number	Description	W in. (mm)	H in. (mm)	Fitting Material	Recommended Hose/Tubing
	A1414B	Hose Barb, 1/4″ NPT to 1/4″ ID Hose	0.83 (21)	2.52 (64)	Electro-Less Nickel-Plated
	HS14-14F	1/4″ NPT female coupling	0.83 (21)	2.52 (64)	Electro-Less Nickel-Plated
	PCE14F-14F	Push Connect Elbow 1/4″ NPT – female to 1/4″ OD Tube – female	1.18 (30)	1.18 (30)	Electro-Less Nickel-Plated
	PCT14FB-14F	Push Connect Tee 1/4″ NPT – female to 1/4″ OD Tube – female	1.18 (30)	1.18 (30)	Electro-Less Nickel-Plated
	HS18-14F	Reducing Coupling 1/4″ NPT – female to 1/8″ NPT – female	0.87 (22)	0.98 (25)	Electro-Less Nickel-Plated	N/A
–	Fitting Type	Part Number	Description	L	H	Material	Tubing
	HS14-38M	Reducing Bushing 3/8″ NPT – male to 1/4″ NPT – female	0.87 (22)	0.75 (19)	Electro-Less Nickel-Plated	N/A
	2200P-4-4	Elbow, 90° 1/4″ NPT – female	1.18 (30)	1.18 (30)	Electro-Less Nickel-Plated	N/A
	HS14-14M-G	Adapter G 1/4″ – male to 1/4″ NPT – female	0.75 (19)	0.91 (23)	Electro-Less Nickel-Plated	N/A

The “G” thread is also known as BSPP, commonly used worldwide for vacuum applications.

Additional Adapter Fittings

Product Photo	Vacuum Fitting Part Number	Thru Hole Diameter in. (mm) or Thread	Connection Thread Size	Hex Size in. (mm)	L-added to assembly Height in. (mm)	H Height in. (mm)	Fitting Material
	HS18-14F	1/8″ NPT female	1/4″ NPT female	0.69 (17.5)	0.81 (20.6)	–	Electro-Less Nickel-Plated
	HS18-38F	1/8″ NPT female	3/8″ NPT female	0.81 (20.6)	0.98 (25)	–	Electro-Less Nickel-Plated
	HS18-12F	1/8″ NPT female	1/2″ NPT female	0.94 (23.9)	1.18 (30)	–	Electro-Less Nickel-Plated
	HS18-14M	1/8″ NPT female	1/4″ NPT male	0.63 (16)	0.19 (4.8)	0.67 (17)	Electro-Less Nickel-Plated
	HS18-38M	1/8″ NPT female	3/8″ NPT male	0.69 (17.5)	0.19 (4.8)	0.75 (19)	Electro-Less Nickel-Plated
	HS18-12M	1/8″ NPT female	1/2″ NPT male	0.88 (22.4)	0.37 (9.5)	1.00 (25.4)	Electro-Less Nickel-Plated