Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

ENERPAC Swing Clamp Hydraulic Cylinder: Double Acting, 500 lbf Clamping Force - Upper Flange Mount Swing Clamp Cylinders
ENERPACUpper Flange Mount Swing Clamp Cylinders

ENERPAC Swing Clamp Hydraulic Cylinder: Double Acting, 500 lbf Clamping Force

The ENERPAC SURD21 is a double-acting upper flange mount swing clamp hydraulic cylinder with a right swing direction. It delivers a 500 lbf clamping force and a 0.65 in total stroke, with a piston area of 0.12 sq in.

SKU 3G-OTH-156523

Brand
ENERPAC
Item
Swing Clamp Hydraulic Cylinder: Double Acting, 500 lbf Clamping Force
Category
Upper Flange Mount Swing Clamp Cylinders
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

ENERPAC
Manufacturer Part Number
SURD21
Type
500 lbf Clamping Force
Total Stroke
0.65 in
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

ENERPAC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ENERPAC SURD21 is a double-acting upper flange mount swing clamp hydraulic cylinder with a right swing direction. It delivers a 500 lbf clamping force and a 0.65 in total stroke, with a piston area of 0.12 sq in.

Frequently Asked Questions

What is the ENERPAC SURD21 swing clamp cylinder used for?

The ENERPAC SURD21 is a double-acting hydraulic swing clamp cylinder used in industrial workholding and fixturing. It provides 500 lbf clamping force with a 0.65 in stroke, ideal for automated machining, assembly, and welding operations where a right swing direction is required.

What are the specifications of the ENERPAC SURD21?

The ENERPAC SURD21 is a double-acting upper flange mount swing clamp cylinder with right swing direction. It delivers 500 lbf clamping force, 0.65 in total stroke, and has a piston area of 0.12 sq in. The manufacturer part number is SURD21.

Where to buy the ENERPAC SURD21 worldwide?

3G Electric supplies the ENERPAC SURD21 swing clamp cylinder worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the ENERPAC SURD21 swing clamp cylinder?

Mount the ENERPAC SURD21 using its upper flange, ensuring the right swing direction aligns with your fixture. Connect hydraulic lines to the double-acting ports, verify pressure does not exceed rated limits, and test the swing and clamp sequence before full operation.

Used in

Common applications for ENERPAC
Heavy equipment maintenance — ENERPAC HCL25010 lock nut ram for lifting and holding large components during repair.
Automated machining — ENERPAC SLRD51 swing clamp cylinder for fixturing parts in CNC workholding systems.
Bolted joint assembly — ENERPAC ERT19024 extended reaction tube with RSL series torque wrenches for flange bolting.
Hydraulic power generation — ENERPAC ZE4408SB-T electric pump for powering torque tools in industrial plants.
Structural testing — ENERPAC A243 flat base attachment for RC series cylinders in load frame applications.
Field service operations — ENERPAC ZU4420MB-G portable pump for remote hydraulic tool operation.

ENERPAC Products

3G Electric supplies ENERPAC upper flange mount swing clamp cylinders. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
ENERPAC Swing Clamp Hydraulic Cylinder: Single Acting, 475 lbf Clamping Force, 0.65 in Total Stroke (MPN SURS21). Key specifications — attr95671: 0.12 sq in; attr95672: Right; attr97405: SURS21; attr98896: ENERPAC.
ENERPAC
ENERPAC Swing Clamp Hydraulic Cylinder: Single Acting, 475 lbf Clamping Force, 0.65 in Total Stroke (MPN SURS21). Key specifications — attr95671: 0.12 sq in; attr95672: Right; attr97405: SURS21; attr98896: ENERPAC.
ENERPAC Swing Clamp Hydraulic Cylinder: Double Acting, 1,250 lbf Clamping Force, 0.28 sq in, Right (MPN SURD51). Key specifications — attr95671: 0.28 sq in; attr95672: Right; attr97405: SURD51; attr98896: ENERPAC.
ENERPAC
ENERPAC Swing Clamp Hydraulic Cylinder: Double Acting, 1,250 lbf Clamping Force, 0.28 sq in, Right (MPN SURD51). Key specifications — attr95671: 0.28 sq in; attr95672: Right; attr97405: SURD51; attr98896: ENERPAC.
ENERPAC Swing Clamp Hydraulic Cylinder: Double Acting, 2,600 lbf Clamping Force, 1.1 in Total Stroke (MPN SURD121). Key specifications — attr95671: 0.63 sq in; attr95672: Right; attr97405: SURD121; attr98896: ENERPAC.
ENERPAC
ENERPAC Swing Clamp Hydraulic Cylinder: Double Acting, 2,600 lbf Clamping Force, 1.1 in Total Stroke (MPN SURD121). Key specifications — attr95671: 0.63 sq in; attr95672: Right; attr97405: SURD121; attr98896: ENERPAC.
ENERPAC Swing Clamp Hydraulic Cylinder: Single Acting, 1,100 lbf Clamping Force, 0.28 sq in, Right (MPN SURS51). Key specifications — attr95671: 0.28 sq in; attr95672: Right; attr97405: SURS51; attr98896: ENERPAC.
ENERPAC
ENERPAC Swing Clamp Hydraulic Cylinder: Single Acting, 1,100 lbf Clamping Force, 0.28 sq in, Right (MPN SURS51). Key specifications — attr95671: 0.28 sq in; attr95672: Right; attr97405: SURS51; attr98896: ENERPAC.
ENERPAC Swing Clamp Hydraulic Cylinder: Double Acting, 2,600 lbf Clamping Force, 1.1 in Total Stroke (MPN SULD121). Key specifications — attr95671: 0.63 sq in; attr95672: Left; attr97405: SULD121; attr98896: ENERPAC.
ENERPAC
ENERPAC Swing Clamp Hydraulic Cylinder: Double Acting, 2,600 lbf Clamping Force, 1.1 in Total Stroke (MPN SULD121). Key specifications — attr95671: 0.63 sq in; attr95672: Left; attr97405: SULD121; attr98896: ENERPAC.
ENERPAC Swing Clamp Hydraulic Cylinder: Double Acting, 500 lbf Clamping Force, 0.65 in Total Stroke (MPN SLRD21). Key specifications — attr95671: 0.12 sq in; attr95672: Right; attr97405: SLRD21; attr98896: ENERPAC.
ENERPAC
ENERPAC Swing Clamp Hydraulic Cylinder: Double Acting, 500 lbf Clamping Force, 0.65 in Total Stroke (MPN SLRD21). Key specifications — attr95671: 0.12 sq in; attr95672: Right; attr97405: SLRD21; attr98896: ENERPAC.

More from ENERPAC

View all ENERPAC parts
ENERPAC Swing Clamp Hydraulic Cylinder: Double Acting, 4,200 lbf Clamping Force, 1.10 sq in, Left (MPN SULD202). Key specifications — attr95671: 1.10 sq in; attr95672: Left; attr97405: SULD202; attr98896: ENERPAC.
ENERPAC
ENERPAC Swing Clamp Hydraulic Cylinder: Double Acting, 4,200 lbf Clamping Force, 1.10 sq in, Left (MPN SULD202). Key specifications — attr95671: 1.10 sq in; attr95672: Left; attr97405: SULD202; attr98896: ENERPAC.
ENERPAC Swing Clamp: Double Acting, 7,600 lbf Clamping Force, 1.91 in Total Stroke, 1.92 sq in (MPN SURDL351). Key specifications — attr95671: 1.92 sq in; attr95672: Right; attr97405: SURDL351; attr98896: ENERPAC.
ENERPAC
ENERPAC Swing Clamp: Double Acting, 7,600 lbf Clamping Force, 1.91 in Total Stroke, 1.92 sq in (MPN SURDL351). Key specifications — attr95671: 1.92 sq in; attr95672: Right; attr97405: SURDL351; attr98896: ENERPAC.
ENERPAC Swing Clamp Hydraulic Cylinder: Single Acting, 2,400 lbf Clamping Force, 1.1 in Total Stroke (MPN SULS121). Key specifications — attr95671: 0.63 sq in; attr95672: Left; attr97405: SULS121; attr98896: ENERPAC.
ENERPAC
ENERPAC Swing Clamp Hydraulic Cylinder: Single Acting, 2,400 lbf Clamping Force, 1.1 in Total Stroke (MPN SULS121). Key specifications — attr95671: 0.63 sq in; attr95672: Left; attr97405: SULS121; attr98896: ENERPAC.
ENERPAC Swing Clamp Hydraulic Cylinder: Double Acting, 4,200 lbf Clamping Force, 1.10 sq in, Right (MPN SURD202). Key specifications — attr95671: 1.10 sq in; attr95672: Right; attr97405: SURD202; attr98896: ENERPAC.
ENERPAC
ENERPAC Swing Clamp Hydraulic Cylinder: Double Acting, 4,200 lbf Clamping Force, 1.10 sq in, Right (MPN SURD202). Key specifications — attr95671: 1.10 sq in; attr95672: Right; attr97405: SURD202; attr98896: ENERPAC.
ENERPAC Swing Clamp Hydraulic Cylinder: Single Acting, 2,400 lbf Clamping Force, 1.1 in Total Stroke (MPN SURS121). Key specifications — attr95671: 0.63 sq in; attr95672: Right; attr97405: SURS121; attr98896: ENERPAC.
ENERPAC
ENERPAC Swing Clamp Hydraulic Cylinder: Single Acting, 2,400 lbf Clamping Force, 1.1 in Total Stroke (MPN SURS121). Key specifications — attr95671: 0.63 sq in; attr95672: Right; attr97405: SURS121; attr98896: ENERPAC.
ENERPAC Swing Clamp: Double Acting, 7,600 lbf Clamping Force, 1.91 in Total Stroke, 1.92 sq in, Left (MPN SULDL351). Key specifications — attr95671: 1.92 sq in; attr95672: Left; attr97405: SULDL351; attr98896: ENERPAC.
ENERPAC
ENERPAC Swing Clamp: Double Acting, 7,600 lbf Clamping Force, 1.91 in Total Stroke, 1.92 sq in, Left (MPN SULDL351). Key specifications — attr95671: 1.92 sq in; attr95672: Left; attr97405: SULDL351; attr98896: ENERPAC.
ENERPAC Swing Clamp: Double Acting, 7,600 lbf Clamping Force, 1.28 in Total Stroke, 1.92 sq in (MPN SURD351). Key specifications — attr95671: 1.92 sq in; attr95672: Right; attr97405: SURD351; attr98896: ENERPAC.
ENERPAC
ENERPAC Swing Clamp: Double Acting, 7,600 lbf Clamping Force, 1.28 in Total Stroke, 1.92 sq in (MPN SURD351). Key specifications — attr95671: 1.92 sq in; attr95672: Right; attr97405: SURD351; attr98896: ENERPAC.
ENERPAC Swing Clamp Hydraulic Cylinder: Double Acting, 500 lbf Clamping Force, 0.65 in Total Stroke (MPN SULD21). Key specifications — attr95671: 0.12 sq in; attr95672: Left; attr97405: SULD21; attr98896: ENERPAC.
ENERPAC
ENERPAC Swing Clamp Hydraulic Cylinder: Double Acting, 500 lbf Clamping Force, 0.65 in Total Stroke (MPN SULD21). Key specifications — attr95671: 0.12 sq in; attr95672: Left; attr97405: SULD21; attr98896: ENERPAC.