Sheffer HH User Manual

HH SERIES

Heavy-Duty Hydraulic Cylinders Pressure Rating 3,000 PSI

Piston rods through 4" diameter have a minimum expected yield of 100,000 psi. They are case hardened to 50 Rockwell C to a depth of .030" for damage resistance. They are then hard chrome plated for wear and corrosion resistance. Larger diameter rods have an expected minimum yield of 50,000 to 60,000 psi depending on diameter and are hard chrome plated.

Offers much longer fatigue life through elimination of thread relief stress concentration point. Standard as Style 2 rod end on all rod sizes through 2

/2" diameter. Studs are pretorqued and locked in to prevent loosening. They are machined from high tensile steel and the threads rolled.

The steel tube is honed to an 8 to 16 microinch finish for low friction and long seal and piston bearing life. Tube ends are machined on the O. D. concentric with the I. D. They are confined by the close tolerance machining of the head and cap which provides greater hoop strength.

Maximum strength is obtained through a prestressed tie rod assembly.

Four wrench flats are provided as standard for easy attachment. Spanner holes, in lieu of flats, are standard on large diameter rods.

All pistons are machined from a fine grain alloy cast iron. They are threaded directly onto the piston rod, torqued, sealed and locked in place with one or more set screws.

The special piston seal is an endless glass filled Teflon material with an O-ring expander. One or more (depending on bore size) bronze filled Teflon bearing strips are also employed on this type piston to eliminate metal-to-metal contact. This type piston offers long life, low friction, near zero leakage, and great tolerance for side loading. It can be used successfully on virtually any application.

Pressure activated O-ring seals are used at rod gland and tube ends. Located to eliminate extrusion and to provide positive leak tight seal.

High load bearing bronze piloted into the head. Located inboard of the seals to insure a well lubricated bearing for the fastest cycling applications. It need not be removed for rod seal replacement.

The polyurethane wiper is designed to wipe off abrasive dust and contaminants on the retract stroke to insure long life for packings, rod bearing, and piston rod. Where the rod will be exposed to gummy materials such as road tar, a metallic rod scraper is available.

The polyurethane rod seal has a unique design which incorporates the optimum sealing properties of a U configuration with the elastomeric properties of a compressiontype seal. The polyurethane material was selected for toughness, abrasion resistance, and the ability to resist extrusion under rough service conditions.

Cushion pistons (29) are tapered to provide gradual deceleration and eliminate shock upon entrance. The Adjusting Screw with fine threads (30) provides a wide range of adjustment.

When required, air bleeds are located where they can be employed most successfully – at the tube and head juncture. The straight thread plugs are equipped with metallic O-rings so they can be used repeatedly with a good seal every time.

Easily removable for replacement of rod seal and wiper. In most cases it is not necessary to demount or disassemble the cylinder. Easier to service since on removal of the ductile iron gland, the piston rod remains supported by the separate rod bearing.

DIMENSIONALLY INTERCHANGEABLE TO MEET ANSI SPECIFICATIONS

Construction

ITEM QUANTITY

NUMBER

DESCRIPTION

REQUIRED 1 HEAD 1 2 CAP 1 3 PISTON ROD 1 3A “STUD – STYLE II THREAD THRU 2

/2" ROD DIA.” 1

4 TUBE 1 5 TIE ROD 4 6 ROD GLAND RETAINER 1 6A ROD GLAND & RETAINER – SINGLE PIECE 1 9 PISTON – SLIPPER SEAL TYPE 1

10 RETAINER SCREW 1 11 SEAL - PISTON I.D. ‡ 13 TIE ROD NUT 4 16 † TUBE SEAL 2 18 † PISTON SEAL – SLIPPER SEAL TYPE 1 18 A† EXPANDER – FOR SLIPPER SEAL 1 21 † ROD BEARING 1 22 † ROD GLAND SEAL 1 24 † ROD WIPER 1 25 † ROD SEAL 1 29 CUSHION PISTON – FRONT ** 30 CUSHION ADJ. SCREW – FRONT OR REAR

(CROSS SLOT) **

31 “SEAL – CUSHION ADJUSTING AND CUSHION

CHECK – FRONT OR REAR” **

36 CUSHION CHECK BALL – FRONT OR REAR ** 38 CUSHION CHECK PLUG – FRONT OR REAR ** 40 CUSHION ADJ. CAPTIVATOR – FRONT OR REAR ** 41 SEAL - CUSHION ADJ. CAPTIVATOR –

FRONT OR REAR **

57 PISTON BEARING STRIP * 58 AIR BLEED PLUG ** 66 A “BACK-UP WASHER – CUSHION ADJUST AND

CUSHION CHECK – FRONT OR REAR” **

70 ROD GLAND 1

Piston Rod

Tube

Tie Rod Construction

Wrench Flats

9&18

Pistons & Piston Seals

Rod Bearing

Rod Wiper

Rod Seal

Air Bleeds (Optional)

Rod Gland

Studded Rod End

Parts List

16, 22

Static Seals

Cushions

HH-1

‡Retainer Screws required varies by bore and mount †Recommended Spare Parts *One required thru 4" bore, 2 required 5" thru 8" bores, 3 required on 10" and 12" bores,

4 required on 14" bore.

**As required; specify if cushioned front, cushioned rear or cushioned both ends.

Round, single piece rod gland and retainer used on all but some of the smaller bore sizes. Consult pages on specific mounts.

1 1/8" THRU 24" BORE SIZES

Parts List

Ordering Information:

Also see separate ordering information. When ordering parts, the Model No. and Serial No. must be specified. Give item no., name and quantity of part desired. The Model No. and Serial No. will be found on a metal plate that has been drivescrewed to either the head or the cartridge retainer.

Please Note:

Complete replacement packing kits are available. For purposes of economy and less down-time, it is recommended that replacement packing kits be stocked. They are described and priced in the current Sheffer Replacement Parts Price List and on CD Rom. Contact your distributor or the factory for these lists.

HH-2

ITEM QTY.

NUMBER DESCRIPTION REQ'D

100 FRONT FLANGE 1 102 FRONT FLANGE EXTRA 1 103 REAR FLANGE 1 104 REAR FLANGE EXTRA 1 105 * FOOT BRACKET – FRONT 1 106 * FOOT BRACKET – SCREW 2 107 * FOOT BRACKET – REAR 1 112 CLEVIS PIN 1 117 INTERMEDIATE TRUNNION 1 108 * END LUG – FRONT 2 110 * END LUG – REAR 2

*Not available on 10", and larger bore cylinders.

FRONT FLANGE MOUNT

STYLE FF

REAR FLANGE MOUNT EXTRA SIZE STYLE RFX

FRONT FLANGE MOUNT EXTRA SIZE STYLE FFX

FOOT BRACKET MOUNT STYLE FB

INTERMEDIATE TRUNNION MOUNT STYLE T

REAR FLANGE MOUNT STYLE RF

CLEVIS MOUNT STYLE C

END LUG MOUNT STYLE EL

100

107

102

112

103

104

110

108

106

105

117

Parts List

Scribe on Line Head

Screw Torque in Foot Pounds

BORE PISTON ROD HEX HEAD SOCKET HEAD

SIZE DIAMETER CAP SCREW CAP SCREW

11/8

/8 8

11/2 ALL 13.6

2 ALL 5 21/2 1, 13/8 5 21/2 1

31/4 ALL 5

4 ALL 5

5 2, 21/2 5

5 3, 31/2 10

6 21/2 5

6 3, 31/2, 4 10

7 ALL 10

8 ALL 10

10 41/2, 5, 51/2 10 10 740 12 51/2 10 12 740 12 870 14 740 14 10 95

COLUMN 1 FULL 2 FULL 3 FULL

1 TURN TURNS TURNS

TURN (T) L PLUS T PLUS T PLUS T

IN 12THS LENGTH L LENGTH L LENGTH L LENGTH

1 23/4 361/2 70 1035/8 2 55/8 391/4 723/4 1061/2 3 81/2 42 755/8 1091/4 4 111/4 443/4 781/2 112 5 14 475/8 811/4 1143/4 6 163/4 501/2 84 1175/8 7 195/8 531/4 863/4 1201/2 8 221/2 56 895/8 1231/4

9 251/4 583/4 921/2 126 10 28 615/8 951/4 1283/4 11 303/4 641/2 98 1315/8 12 335/8 671/4 1003/4 1341/2

For 7" bore cylinders and larger, the tie rods are given an initial torque, the tie rods are heated, and then the tie rod nuts are turned a calculated amount. First torque all 4 tie rod nuts to 200-250 foot pounds. Measure the cylinder to obtain length L, consult the chart for the proper number of turns or fractions (in 12ths). The figures in Column 1 shown in 12ths corresponds to the points and flats of the hex nut (see illustration). The piston rod of the cylinder should be either fully retracted or fully extended prior to heating. Place an asbestos sheet between the tube and tie rod and heat to 800°F for as long a length as possible. When the distance between the cylinder heads is 18" or less, do not heat closer than 3" of either head. Tie rods should be heated and tightened in cross corner rotation and in steps up to full tension. Allow the tie rods to cool before testing or installation.

Parts List

Tie Rod Torque for 1 1/8" through 6" Bores

TORQUE IN TORQUE IN

BORE FOOT POUNDS BORE FOOT POUNDS

11/8 8 31/4 110 11/2 30 4 130

2 50 5 325

21/2 50 6 480

Tie Rod Torque for 7" Bore and Larger

HH-3

Cushions

Sheffer pioneered tapered cushions, designed to provide gradual deceleration and eliminate shock upon entrance of the cushion pistons, have now been considerably improved. The tapered cushion has been married with a fine thread, wide range, adjusting screw. This new combination offers a positive, low-shock deceleration and a method to adjust the cushioning effect for speeds and loads.

The adjusting screw is identified by a tag affixed to the head (or cap) and can be further distinguished by the fact that it is captivated with the Sheffer exclusive captivator This allows full open to close adjustment without concern for damaging seals.

The cushion check, which does not require adjustment, has a single slot in its head. It does not project beyond the surface of the head (or cap). The cushion check plus the tapered cushion piston provides rapid acceleration out of cushioning. There is no spring in the cushion check to fatigue, hence, no worry of mechanical failure.

Cushioning is designed to properly cushion the cylinder and is not intended to cushion large inertia loads. Cushions do not substitute for speed controls or deceleration valves on most installations.

As indicated on page HH-6, the standard positions for ports are 1 and 5. Where possible, the standard positions for cushion adjusting screws will be 2 and 6 and the standard positions for cushion checks will be 4 and 8. With some mounting styles, it is not possible to so locate the adjusting screws and checks. For example, a Trunnion Front Mount has the trunnion pins located in positions 2 and 4 on the head. With the port in position 1, the only side available for both adjusting screw and check is position 3. Since both will then be located on the same side, they will be located off-center. This example would hold true with the TR, CL, FHF and RHF mounts. See Chart A for standard positions that will be supplied unless otherwise specified. When requested, other positions can be supplied so long as there is no interference with mounting.

Where access to an adjusting screw or check could be made difficult because of proximity to a mount, the locations of the screws will be slightly off-center. An example of this would be a small bore cylinder with a side lug mount.

BORE 11/8 11/2 2 21/2 31/4 4 5 6 7 8 10 12 14 ZERO STROKE 3 8 14 19 37 50 90 140 210 290 650 975 1600 ADD PER INCH

OF STROKE

Note: The above weights are based on an average value for cushioning, rod size, and the various types of mountings for uncrated cylinders to establish approximate shipping weights. Add 10% of cylinder weight to determine estimate weight of crated cylinder.

Position Diagram for Ports,

Air Bleeds, Cushion Adjusting

Screws and Cushion Checks

Pressure and Shock

HH SERIES Cylinders are suitable for working pressures to 3,000 psi and maximum pressure including any shock to 5,000 psi. Refer to

Chart B for the

maximum operating pressure that can be used with a 3:1 safety factor based on yield. It is felt that this is an adequate safety factor for any well designed hydraulic system where shock conditions have been considered and reduced to an acceptable level. Not all mounting styles will take the thrust generated at these pressures. See separate Accessories Brochure.

The following factors in shock loading

should be considered:

n Relief valves in the circuit do not

protect the components from shock because of the time lag.

n Gauges do not necessarily register

shock conditions, either because of their position in the circuit, or the short duration of shock.

n The two general types of shock

loading to be considered are pressure rise caused by quick stop of the flow in the circuit and quick pressure drop. Decompression shock is particularly important in large bore cylinders and can be as destructive as compression shock.

n The magnitude of the pressure

difference and the duration that the maximum pressure exists are the factors that determine the damage from shock.

3:1

HEAVY MAX. SAFETY

DUTY SHOCK FACTOR

BORE SERVICE SERVICE (YIELD)

SIZE PSI PSI PSI

11/8 3,000 5,000 3,612 11/2 3,000 5,000 3,085

2 3,000 5,000 3,412 21/2 3,000 5,000 2,783 31/4 3,000 5,000 2,842

4 3,000 5,000 2,667

5 3,000 5,000 2,778

6 3,000 5,000 2,760

7 3,000 5,000 2,558

8 3,000 5,000 2,391

10 3,000 5,000 2,936 12 3,000 5,000 2,549 14 3,000 5,000 2,443

All above figures are based on the cylinder as a pressure vessel. Some styles of mountings will not withstand the thrust generated at these pressures.

See information on specific mounts.

.25 .5 .8 1.3 1.8 2.5 4 5.8 6.5 9 16 25 35

Cushions and Pressure

HH SERIES Cylinder Weight Chart

CUSHION

ADJUSTING CUSHION

MOUNT SCREW CHECK

TF AND FHF 3 and 6 3 and 8

CL 3 and 7 3 and 7

TR AND RHF 2 and 7 4 and 7

ALL OTHER

MOUNTS 2 and 6 4 and 8

Standard positions for cushion adjusting screws and cushion checks in relation to port positions by style of mounting.

Chart A

Note: Because of space limitations, neither cushion adjusting screws nor cushion ball checks can be put into 11/2" and 2" bore sizes for cushioned front when they are specified with 2:1 rod diameters.

Chart B Maximum Pressure Ratings

HH- 4

HH-5

Tandem Cylinders and Multi-stage Cylinders

The tandem cylinder (Figure A) has two pistons connected to a common rod, resulting in twice the force output of a single cylinder. Multi-stage cylinders

(Figure B) offer multiple, positive

strokes by pressurizing one cylinder, the other, or both. Contact the factory for other variations.

Rod Gland Drain Back

When not even a drop of external leakage can be tolerated, the rod gland drain back provides a signal that the rod seal set has worn to the point of replacement – without the danger of contamination from leakage.

External Rod Seal

When a cylinder is to be operated under water, provision is made to prevent the water from being drawn into the cylinder at the time of valve shift or pressure differential.

Stainless Steel Piston Rods

Many applications, especially those subjected to water spray, require the use of stainless steel piston rods. We stock AISI Type 304 hard chrome plated, stainless steel and will furnish that type unless otherwise specified. Type 304 is considered a good, corrosion resistant type of stainless steel, but the minimum expected yield is approximately 35,000 psi and that factor must be considered with respect to operating pressure, column loading, etc.

FIGURE B

FIGURE A

Adjustable Stroke

Shown is an integral stroke adjustment (externally adjusted) that is accomplished by the use of a bump rod threaded into the cylinder cap. Seals are incorporated to prevent external leakage and a lock nut is included.

Thrust Key

All side mounted cylinders (SF, FB, EL and SL mounts) can be supplied with thrust keys. Thrust keys are available in bore sizes 1

/8" thru 6". Extending the rod gland retainer, as shown, provides a key which fits into a milled slot in the mounting surface of the machine member. Combined with the mount this key assures that cylinder will not shift in severe service.

Spherical Bearings

Pivot mounting brackets and rod eyes can be provided with spherical bearings to compensate for misalignment on both ends of cylinders. Consider also the use of the Sheffer Uni-Lign described in separate Accessories Brochure.

Non-Rotating Piston Rod

Two methods of providing nonrotating piston rods are employed. The internal rod type

(Figure A)

is generally used since it requires less space and is neater. The type shown in Figure B must be used on small bore cylinders where internal space is limited.

FIGURE A

FIGURE B

The Sheffer Corporation manufactures many cylinders with variations to meet special customer needs. In addition to those illustrated below, some of the more popular variations are:

• Cylinders with Boots

• Combination Mount Cylinders

• Cylinders with Built-In Limit Switch Actuators

• Locking Cylinders

• Precision Stroke Cylinders

• Precision Mount Cylinders

• Electrically Insulated Cylinders

FA ± .0005

Special Variations

BORE FA FK

11/8 .3120

/16

11/2 .3120

/16

2 .5620

/16

21/2 .5620

/16

31/4 .6870

4 .8120

/16

5 .8120

/16

6 .9370

Thrust Key Bore Sizes

Porting

S.A.E. Ports, located in positions 1 and 5 (See Position Diagram for Ports) are standard and will be furnished unless otherwise specified. Other types and sizes of ports are available on request, at slight additional cost.

Port Positions - Where mounting

clearances permit, the ports can be in any of four positions in the head and in the cap at no extra cost. Indicate both port positions desired by position number. If no preference is stated, ports will be furnished in positions 1 and 5. NOTE: The head and cap can be rotated in relation to each other as long as mounting and porting are convenient for installation.

1 2 3 4 5 6 7

STD. MAX.

S.A.E. S.A.E. MAX.

MM STD. MAX. ST. THRD. S.A.E.

ROD NPT. NPT.PORT THRD. PORT FLG.

BORE DIA. PORT HEAD CAP PORT HEAD CAP PORT

11/8

/8 STD.

/8*

/8* -6 -6 -6 —

/8 STD.

/4 -10 -10 -10 —

1 2:1

/4 -10 -10 -10 —

1 STD.

/4*

/4* -10 -12* -12* —

13/8 2:1

/4*

/4* -10 -12* -12* —

1 STD.

/4*

/4* -10 -12 -12 3050

13/8

/4*

/4* -10 -12* -12* 3050

13/4 2:1

/4*

/4* -10 -12* -12* 3050

13/8 STD.

/4 1* -12 -12 -16* 3075

13/4

/4 1* -12 -12 -16* 3075

2 2:1

/4 1* 1* -12 -16* -16* 3075

13/4 STD.

/4 1* -12 -14 -16* 3075

21/2 2:1

/4 1* 1* -12 -14 -16* 3075

2 STD.

/4 1* -12 -16* -16* 3075

21/2

/4 1* 1* -12 -16* -16* 3075

31/2 2:1

/4 1* 1* -12 -16* -16* —

21/2 STD. 1 11/4*1

/4* -16 -20* -20* 3125*

3 1 11/4*1

/4* -16 -20* -20* 3125*

31/2 1 11/4*1

/4* -16 -20* -20* 3125*

4 2:1 1 11/4*1

/4* -16 -20* -20* —

3 STD. 11/4 11/2 11/2 -20 -24 -24 3150

31/2 11/4 11/2 11/2 -20 -24 -24 3150

4 11/4 11/2 11/2 -20 -24 -24 3150

41/2 11/4 11/2 11/2 -20 -24 -24 3150

5 2:1 11/4 11/2 11/2 -20 -24 -24 3150

31/2 STD 11/2 22-24 -32* -32* 3200

4 11/2 22-24 -32* -32* 3200

41/2 11/2 22-24 -32* -32* 3200

5 11/2 22-24 -32* -32* 3200

51/2 2:1 11/2 22-24 -32* -32* 3200

41/2 STD. 2 21/2 21/2 -32 -32 -32 3250

5 2 21/2 21/2 -32 -32 -32 3250

51/2 2 21/2 21/2 -32 -32 -32 3250

7 2:1 2 21/2 21/2 -32 -32 -32 3250

51/2 STD. 21/2 33-32 -32 -32 3300

7 21/2 33-32 -32 -32 3300

8 2:1 21/2 33-32 -32 -32 3300 7 STD. 21/2 33-32 -32 -32 3300 10 2:1 21/2 33-32 -32 -32 3300

*Y and P dimensions as shown on mounting dimensions pages must change to

accommodate these port sizes.

Position Diagram for Ports,

Air Bleeds, Cushion Adjusting

Screws and Cushion Checks

1 1/8" THRU 14" BORES

Porting and Air Bleeds

Port Sizes - Standard ports are S.A.E.

and sizes as shown in Column 5 on the adjacent chart. Unless otherwise specified, those sizes are what will be furnished. Smaller than standard ports can be supplied at no extra cost. It is recommended that cylinders be ordered with ports no larger than needed so that the trouble and expense of obtaining and installing reducing fittings can be avoided. At a modest cost, larger than standard ports, as shown in COLUMN 6, can be furnished. While these larger ports can be put in a standard cylinder, it is necessary in some cases to slightly alter the Y and the P dimensions shown on our mounting dimension pages. Contact the factory for those dimensional changes.

S.A.E. Straight Thread Ports - This

type of port offers positive seal with full thread engagement. It also eliminates the problem of faulty pipe threads since sealing takes place independently of the thread. No messy pipe dope to bother with or to contaminate the hydraulic system. No wedging, distortion, or breakage due to over-tightening. Alignment and full sealing are both assured since the fittings can be tightened after lining up. Straight thread fittings may be reused, indefinitely. COLUMN 6 shows the maximum size of S.A.E. port that can be furnished in a standard cylinder. Larger sizes accommodated with special heads and caps.

S.A.E. Flanged Ports - At a slight

additional cost, flanged ports can be provided. COLUMN 7 shows the maximum standard S.A.E. flange sizes available.

Air Bleeds

An air bleed may be ordered at either or both ends of the cylinder as an option. To provide for maximum bleeding of air from the cylinder, Sheffer places its air bleeds in the tube to bleed air from the tube/head or tube/cap juncture. The air is bled from the cylinder by backing out the straight thread metallic seal plug to allow air to pass by the threads. When air bubbles stop and oil starts to flow, retighten plug. It is recommended that bleeding be done with pressure on the opposite end of the cylinder so that the bleed plug is not subjected to pump pressure when being backed out. Air bleeds should always be positioned at the highest point of the cylinder tube. Please specify positions of air bleeds by position number from the chart.

NOTE: Since Sheffer puts air bleeds in the cylinder tube, position can be changed by loosening the tie rods and rotating the tube. Photos and Line Drawings show ports in positions 1 and 5.

11/2

31/4

Porting Dimensions

HH- 6

BOLT

SIZE

BOLT

SIZE

MM ROD DIA.

P + STROKE

ZB + STROKE

RD - .001

- .003

FRONT FLANGE MOUNT STYLE FF (MF1)*

FRONT FLANGE MOUNT EXTRA SIZE STYLE FFX (MF5)*

FRONT HEAD FLANGE MOUNT STYLE FHF (ME5)*

*ANSI/B93.1-1964 Mounting Style Designation.

BOLT

SIZE

LB + STROKE

ZB + STROKE

P + STROKE

MM ROD DIA.

IIMMPPOORRTTAANNTT NNOOTTIICCEE

There is a construction variance in the 11/8", 11/2", 2" bores, the 21/2" bore with a 13/8" or a 13/4" rod, and in the 31/4" bore with a 2" diameter rod. On the Front Flange (FF) and Front Flange Extra (FFX) Mounts, in these sizes, the round retainer shown above is not used. The tie rods thread into the flange, and the flange serves as the rod gland retainer. Hence, in these sizes, the gland cannot be removed without loosening the tie rods. The basic cylinder dimensions shown above do not change.

On the Front Head Flange Mount (FHF), in the 1

/8", 11/2", the 21/2" bore with a 13/4" rod, and the 31/4" bore with a 2" rod, the retainer is the same rectangular size as the head. Tie rods thread into the retainer and the retainer holds in the packing gland. Hence, in these sizes the gland cannot be removed without loosening the tie rods. Dimensions for these sizes of the FHF mount cylinders can be obtained from the Front Flange Mount (FF) charting. Mounting bolts will clear through both the flange (FF dimension) and the head (G dimension).

UF E

ZB + STROKE

P + STROKE

MM ROD DIA.

For assistance in establishing your mounting requirements, also see the s eparate Accessories Brochure.

1000 PSI Rated

FRONT FLANGE MOUNTINGS

Mountings

HH-7

Good – Front Flange Mount

While this style of mount is a widely used one, its use should be restricted to pressures under 1000 psi, short strokes (under 36") and standard rod diameters. Note that the Front Head Flange mount has the same mounting hole pattern.

Better – Front Flange

Extra Mount

Satisfactory for maximum operating pressure and long strokes if properly applied. See separate Accessories Brochure for detailed mounting data and separate Engineering Brochure for long stroke information.

Best – Front Head Flange

Mount

Highly recommended. This is the best style of flange mounting. With this style, the cylinder can be mounted on the back face of the Head Flange if desired. This mounting style is used extensively on high tonnage presses and other heavy duty applications. To dimensionally interchange with the FF mount, see separate Accessories Brochure for Front Head Flange Spacer Bars.

We highly recommend that consideration be given to the use of a Style 6 rod end (see pages HH-21 and HH-22) and S.A.F.E. Coupling (see separate Accessories Brochure) to achieve good radial alignment.

Selection of piston rod diameter can be determined by consulting the separate Engineering Brochure.

CAUTION

See separate Accessories Brochure for information concerning the application of Flange Mount Cylinders.

ROD

BORE DIA. FA RD VB W WF WG Y ZB*

11/85/8 STD. — — —

/8 11/8 21/4 123/32 45/8*

/8 STD. — — —

/8 1 23/4 2 515/16*

1 2:1 — — — 1 13/8 31/8 23/8 65/16*

1 STD.

/32 2.375

/4 13/8 31/8 23/8 67/16*

13/8 2:119/32 2.875 1 1 15/8 33/8 25/8 611/16*

1 STD.

/32 2.375

/4 13/8 31/8 23/8 69/16*

13/8

/32 2.875 1 1 15/8 33/8 25/8 613/16*

13/4 2:1 — — — 11/4 17/8 35/8 27/8 71/16*

13/8 STD.19/32 2.875 1

/8 15/8 35/8 23/4 711/16*

13/4

/32 3.250 11/8 11/8 17/8 37/8 3 715/16*

2 2:1 — — — 11/4 2 4 31/8 81/16*

13/4 STD.19/32 3.250 11/8 1 17/8 37/8 3 83/16*

/32 3.562 11/8 11/8 2 4 31/8 85/16*

21/2 2:119/32 4.000 11/4 13/8 21/4 41/4 33/8 89/16*

2 STD.

/32 3.562 11/8 11/8 2 4 31/8 9*

21/2

/32 4.000 11/4 13/8 21/4 41/4 33/8 91/4*

/32 4.750 11/4 13/8 21/4 41/4 33/8 91/4*

31/2 2:123/32 5.187 11/4 13/8 21/4 41/4 33/8 91/4*

21/2 STD.19/32 4.000 11/4 11/4 21/4 45/8 31/2 101/2*

/32 4.750 11/4 11/4 21/4 45/8 31/2 101/2*

31/2

/32 5.187 11/4 11/4 21/4 45/8 31/2 101/2*

4 2:1

/32 5.750 11/4 11/4 21/4 45/8 31/2 101/2*

3 STD.

/32 4.750 11/4 11/4 21/4 51/8 313/16 1115/16*

31/2

/32 5.187 11/4 11/4 21/4 51/8 313/16 1115/16*

/32 5.750 11/4 11/4 21/4 51/8 313/16 1115/16*

41/2

/4 6.250 11/4 11/4 21/4 51/8 313/16 1115/16*

5 2:1

/4 6.750 11/4 11/4 21/4 51/8 313/16 1115/16*

31/2 STD.23/32 5.187 11/4 11/4 21/4 51/2 315/16 13*

/32 5.750 11/4 11/4 21/4 51/2 315/16 13*

41/2

/4 6.250 11/4 11/4 21/4 51/2 315/16 13*

/4 6.750 11/4 11/4 21/4 51/2 315/16 13*

51/2 2:13/4 7.250 11/4 11/4 21/4 51/2 315/16 13*

41/2 STD. 15/8 6.250 115/16 11/4 215/16 613/16 5 163/4*

5 15/8 6.750 23/16 11/2 33/16 71/16 51/4 17*

51/2 15/8 7.250 23/16 11/2 33/16 71/16 51/4 17*

7 2:1 15/8 9.750 23/16 2 311/16 79/16 53/4 171/2*

51/2 STD. 15/8 7.250 23/16 11/4 33/16 81/16 53/4 195/8*

7 15/8 9.75 23/16 17/8 313/16 811/16 63/8 201/4*

8 2:1 17/8 10.875 27/16 27/16 43/8 91/4 615/16 2013/16* 7 STD. 23/8 9.75 213/16 17/8 45/16 911/16 77/16 2315/32* 10 2:1 23/8 13.73 215/16 21/2 415/16 105/16 81/16 243/32*

*Be sure to add stroke to this dimension.

EE EE

BORE E NPT† SAE FB** FF G J K LB* P* R TF UF

11/8 13/4

/4 -6

/2 11/8 1

/4 31/4* 23/16* 1.19 23/8 3

11/2 21/2

/2 -10

/8 13/4 11/2

/16 45/8* 27/8* 1.63 37/16 41/4

2 3

/2 -10

/8 13/4 11/2

/16 45/8* 27/8* 2.05 41/8 51/8

21/2 31/2

/2 -10

/8 13/4 11/2

/16 43/4* 3* 2.55 45/8 55/8

31/4 41/2

/4 -12

/4 2 13/4

/16 51/2* 31/2* 3.25 57/8 71/8

4 5

/4 -12

/8 2 13/4

/16 53/4* 33/4* 3.82 63/8 75/8

5 61/2

/4 -12

/8 2 13/4

/4 61/4* 41/4* 4.95 83/16 93/4

6 71/2 1 -16 1 1 23/8 23/8

/8 73/8* 47/8* 5.73 97/16 111/4 7 81/2 11/4 -20 11/8 1 27/8 27/8 13/16 81/2* 53/8* 6.58 105/8 125/8 8 91/2 11/2 -24 11/4 1 31/4 31/4 11/4 91/2* 61/8* 7.50 1113/16 14

10 125/8 2 -32 13/4 111/16 37/8 37/8 111/16 121/8* 8* 9.62 157/8 19 12 147/8 21/2 -32 2 115/16 47/8 47/8 115/16 141/2* 93/8* 11.45 181/2 22 14 171/4 21/2 -32 21/4 27/16 53/8 53/8 25/32 17* 103/4* 13.34 211/8 251/4

*Be sure to add stroke to this dimension. **Clearance holes for indicated bolt size. †Alternate port at no extra charge. SAE port is standard.

21/2

1 1/8" THRU 14" BORES

Dimensions

Front Flange Dimensions

HH- 8

+ 19 hidden pages

Sheffer HH User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual