Jordan Valve Mark 60 Series Instrucciones de instalación y funcionamiento
3170 Wasson Road • Cincinnati, OH 45209 USA
Phone 513-533-5600 • Fax 513-871-0105
[email protected] • www.jordanvalve.com
I & M Mark 60/61 (1/4” - 2”)
Installation & Maintenance Instructions for
Mark 60/61 Sliding Gate Pressure Regulators
Warning: Jordan Valve Pressure Regulators must only be used, installed and repaired in accordance with these In-
stallation & Maintenance Instructions. Observe all applicable public and company codes and regulations. In the event
of leakage or other malfunction, call a qualified service person; continued operation may cause system failure or a
general hazard. Before servicing any valve, disconnect, shut off, or bypass all pressurized fluid. Before disassembling
a valve, be sure to release all spring tension.
Please read these instructions carefully!
Your Jordan Valve product will provide you with long,
trouble-free service if it is correctly installed and main-
tained. Spending a few minutes now reading these in-
structions can save hours of trouble and downtime later.
When making repairs, use only genuine Jordan Valve
parts, available for immediate shipment from the factory.
Ideal Installation
1. To protect the valve from grit, scale, thread chips
and other foreign matter, ALL pipelines and piping
components should be blown out and thoroughly
cleaned before the installation process begins.
2. Shutoff valves, pressure gauges and by-pass piping
should be installed as indicated in the Ideal Installa-
tion Schematic to provide easier adjustment, opera-
tion, and testing.
3. A line strainer should be installed on the inlet side
of the valve to protect it from grit, scale and other
foreign matter. A 0.033 perforated screen is usually
suitable for this purpose. Line strainers are avail-
able from Jordan Valve.
4. For best control, 3’ 0” straight sections of pipe
should be installed on either side of the valve.
5. In preparing threaded pipe connections, care
should be exercised to prevent pipe-sealing com-
pound from getting into the pipelines. Pipe-sealing
compound should be used sparingly, leaving the
two end threads clean. Jordan uses, and recom-
mends, thread sealer Teflon ribbon.
6. The flow arrow on the valve body must be pointed
in the direction of flow. Ideally, the valve should be
installed in the highest horizontal line of piping to
provide drainage for inlet and outlet piping, to pre-
vent water hammer, and to obtain faster response.
7. If possible, install a relief valve downstream from
the valve. Set at 15 psi above the control point of
the valve.
8. In hot vapor lines, upstream and downstream pip-
ing near the valve should be insulated to minimize
condensation.
9. In gas service, if the control pressure (downstream)
is 25% of the inlet pressure or less, expand the
outlet piping at least one pipe size. A standard
tapered expander connected to the outlet of the
valve is recommended.
10. Where surges are severe, a piping accumulator is
recommended.
11. On steam control applications, install a steam trap
with sufficient capacity to drain the coil or condens-
er. Be sure to have a good fall to the trap, and no
backpressure. Best control is maintained if the coil
or condenser is kept dry.
Start-Up
1. Fully open the outlet shut-off valve.
2. Slowly open the inlet shut-off valve.
3. Slowly open and close the outlet shut-off valve
several times. This fully strokes the valve to insure
satisfactory operation.
4. With the outlet shut-off valve open, slowly screw
down the adjusting screw until the desired pres-
sure is shown on the outlet pressure gauge.
5. To change the controlled pressure, turn the adjust-
ing screw clockwise to increase pressure, counter-
clockwise to decrease pressure.
6. Body and cap bolts should be retightened per
torque procedures after valve reaches operating
temperature.
Main Steam Line
Condensate Return Line
1. Shut off Valve
2. Pipe Union
3. Strainer and Drain Valve
4. Pressure Gauge
5. Jordan Regulator
6. Relief Valve
7. Steam Trap
By-Pass Line
R
7
1
6
4
1
2
52
1
4
3
1
Click here to view the Repair and Maintenance video for the Mark 60/61 Series or visit jordanvalve.com/support/videos.
protect the lapped surfaces on both sides of the
disc guide. Before removing, check the disc (17)
for a stamped arrow. This arrow points to the “<”
on the valve body. (NOTE: discs that can be rotated
180° without affecting the stroke may not have ar-
rows.) Lift straight up on the disc (17). Place the
disc on the bench lapped surface facing up. Re-
move the index pin (21).
It is imperative that the disc pin (14) assembly is not
rotated when disassembling, cleaning or reassem-
bling, since this affects the stroke adjustment of the
valve.
4. Invert the body and lightly tap on the exterior to re-
move the plate (16). Let the plate drop out into your
hand, and place it on the bench with the lapped
surface facing up. If the plate sticks lightly tap on
the back of the plate with a soft blunt object; push
the plate (16) out evenly.
5. Clean all the parts, body and cap with solvent. In-
spect body and cap bores for damage. If the parts
are scarred, do not attempt to re-lap them, but re-
turn them to the factory for repair or replacement.
6. The vertical sections of the disc guide (18) serve
as guides for the disc (17) while stroking. A 0.005
feeler gauge should be used to check for clearance
between this surface and the side of the disc. If the
clearance is less, clean the guide surfaces in the
disc guide with a fine file.
B. REASSEMBLY
1. Lightly coat the outer ring on the unlapped side or
the plate (16) with anti-seize compound.
2. Place the plate (16) in the body, lapped surface fac-
ing the cap. The index-pin hole should be on the
same side of the body as the “<” on the body. Align
the disc pin (14) so that it is centered in the body
bore and that it protrudes through the center slot in
the plate (16). Place the disc (17) on the plate (16),
engaging the disc pin (14). The arrow on the disc
(17) should point to the index-pin hole. Insert the
index-pin (21) in the hole.
3. Coat the outer ring on the side of the disc guide
without the index pin hotel, with a light coating of
anti-seize compound.
4. Place the disc guide onto the plate (16), engag-
ing the index pin (19). Rotate the assembly slightly
until the slot openings in the disc are parallel to
the openings in the plate, and perpendicular to the
stem. Stroking the valve will aide in this alignment.
5. Align the “>” on the cap (19) with the “<” on the
body (12), and place the cap over the two studs in
the body.
6. Install the nuts and cap bolts (20). Tighten uni-
formly. See page four for torque requirements and
tightening procedures.
Maintenance
Caution: Ensure that the valve is de-pressurized be-
fore loosening any fittings or joints. The following
steps are recommended before performing any main-
tenance on the valve:
1. Close the inlet shut-off valve.
2. Allow pressure to bleed off through the down-
stream piping. Do not attempt to reverse the flow
through the valve by bleeding pressure from the
upstream side of the valve.
3. When the pressure gauges indicate that all pres-
sure has been removed from the system, close the
outlet shut-off valve. The valve may be removed
from the line and serviced.
Note: Refer to the drawing at the end of this docu-
ment for description and proper orientation of parts.
Click here to view the Repair and Maintenance video
for the Mark 60/61 Series or visit jordanvalve.com/
support/videos.
Valve Seats
A. DISASSEMBLY
Jordan Valve Sliding Gate Seats are lapped to
light band flatness. Maintaining such tolerances
is of paramount importance for your assurance of
excellent control and tight shutoff. DO NOT use
metallic objects in removing the seats. Care in
handling is important.
1. Following the Maintenance procedures to remove
the valve from line.
2. Note scribes “<” on the side of the body (12) and
cap (19). Secure the body flats in a vise. Remove
the cap bolts (20) and two nuts from the studs. Lift
the cap straight up.
3. Remove the disc guide (18) by lifting straight up –
-2-
Cap (19)
Disc Guide (18)
Valve Disc (17)
Valve Plate (16)
Studs (2)
Body (12)
Disc Pin (14)
Index Pin (21)
Cap Screws (20)
Hex Nuts (2)
-3-
Diaphragm Replacement
A. DISASSEMBLY
1. Remove all of the compression from the spring (7)
by rotating the adjusting screw (1) counterclock-
wise until it moves freely. (Failure to remove the
compression from the spring could result in per-
sonal injury or damage to the valve.)
2. Remove the spring housing bolts (5) and spring
housing (4). Remove the spring (7) and spring seat
(6).
3. Remove the diaphragm assembly by rotating coun-
terclockwise. The diaphragm assembly consists of
the upper diaphragm plate (8), diaphragm (9) and
lower diaphragm plate (10).
4. If the diaphragm must be replaced, secure the
upper diaphragm plate (8) in a vise. A 3/16” face
spanner wrench should be used to remove the
lower diaphragm plate (10) from the assembly.
5. Remove the diaphragm (9) and reassemble in re-
verse order.
B. REASSEMBLY AND STROKE ADJUSTMENT
1. Note that the valve stroke adjustment is deter-
mined by how far the diaphragm assembly is
screwed onto the stem. Screw the diaphragm as-
sembly onto the stem until the disc pin is centered
in the valve body.
2. Push the diaphragm assembly down against the
valve body and check the orifice alignment of the
disc (17) and the plate (16). The orifices should be
fully open and in perfect alignment.
3. If the orifices are not in perfect alignment, rotate
the diaphragm assembly counterclockwise to lower
the disc, and clockwise to raise the disc.
4. The total stroke of the Mark 60 is equal to the ori-
fice width plus 1/32” overlap. Consequently, per-
fect adjustment is required for proper operation.
5. When seats are in perfect alignment, proceed with
the assembly of the spring housing.
6. Place the spring (7) on the upper diaphragm plate
(8) and the spring seat (6) on the spring.
7. If the diaphragm is metal, be sure that the dia-
phragm is aligned in the body recess. This recess
also aligns the spring housing (4). Be sure that the
bleed hole is facing downstream.
8. If the diaphragm is elastomer, make sure that af-
ter the seats are in perfect alignment that the bolt
holes are in alignment. If an adjustment needs to
be made to align the bolt hole, make the adjust-
ment by turning the diaphragm assembly clock-
wise.
9. Install and tighten the spring housing bolts (5) per
the torque instructions on the back page.
Stroke Adjustment
1. The stroke adjustment is made with the spring housing and adjusting
spring removed from the valve.
2. The valve orifices should be open and in perfect alignment when the
diaphragm assembly is pressed against the valve body as illustrated.
3. The valve stroke adjustment is determined by how far the stem is
screwed into the diaphragm plate. Rotate the diaphragm assembly to
raise or lower the valve disc. Unthread the diaphragm assembly partially
to lower the disc or thread the stem deeper into the assembly to raise the
disc.
Disc
Cap
Disc Guide
Plate
Disc Pin
Vice
Orifice
Stem
3
Upper
Diaph. Plate
Diaphragm
Lower
Diaph. Plate
1
If Stroke is Too Short:
To correct, turn the diaphragm assembly
toward you (unthreading it from the stem)
bringing the disc orifices into alignment with
the plate orifices.
If Stroke is Too Long:
To correct, turn the diaphragm assembly
away from you (threading it farther onto the
stem) bringing the disc orifices into align-
ment with the plate orifices.
Disc Pin
1. Remove the disc and the plate, following the proce-
dure outlined under VALVE SEATS.
2. Remove the diaphragm as outlined under DIA-
PHRAGM REPLACEMENT.
3. Holding the disc pin assembly with an open-end
wrench, loosen the locknut (13). The stem (11) can
now be unscrewed from the disc pin (14) and the
locknut removed from the stem..
4. Remove the stem (11) upward through the dia-
phragm area and the disc pin (14) through the body
orifice.
5. Check the condition and clean all parts. Clean the
lower guide hole in the valve body and replace de-
fective parts.
6. Reassemble in reverse order and follow the proce-
dures outlined under DIAPHRAGM REPLACEMENT
and VALVE SEATS for proper adjustment. When re-
assembling, thread the stem (11) fully into the disc
pin (14) and then tighten the locknut (13).
Troubleshooting
If You Experience Erratic Control:
Oversizing causes cycling and hunting, and reduc-
es the rangeability of the valve. Make certain that
your sizing is correct.
Steam traps downstream may require maintenance.
Safety valve may be defective and need repair.
There may be excessive foreign matter on the
seats, and seats should be removed and cleaned.
Valve stroke may need readjustment.
Valve disc may not be moving freely. Check disc
guide clearance and correct if needed.
If Valve Will Not Operate:
Diaphragm may be ruptured and require replace-
ment.
Adjusting spring may be broken and require re-
placement.
Spring may be set improperly and require resetting.
Ordering Spare Parts
Use only genuine Jordan Valve parts to keep your valve
in good working order. So that we can supply the parts,
which were designed for your valve, we must know ex-
actly which product you are using. The only guarantee to
getting the correct replacement parts is to provide your
Jordan Representative with the valve serial number. This
number is located on the valve identification tag. If the
serial number is not available, the parts needed for your
valve might be determined using the following informa-
tion: Model Number, Valve Body Size, Seat Material and
Cv Rating, Spring Range and Set Point, Trim Material, Part
Name - Number and Quantity.
NOTE: Any parts ordered without a valve serial number
that are found to be incorrect are subject to up to a mini-
mum 25% restock charge when returned.
Torque Values
Bolt Pattern / Torquing Sequence
Torque for Bolts Connecting Cap to Body (in. - lbs.)
Valve Size
Valve Body Material
Bronze Ductile Iron, Carbon Steel,
or Stainless Steel
1/2” through 2” 140 200
Torque for Spring Housing Screws
Valve Size Torque (in. - lbs.)
1/2” through 2” 200
53
1
6
4
2
5
3
1
64
2
7
8
6 bolts
(or multiples)
8 bolts
(or multiples)
Illustration and Parts List
3170 Wasson Road • Cincinnati, OH 45209 USA
Phone 513-533-5600 • Fax 513-871-0105
[email protected] • www.jordanvalve.com
Bulletin IM-MK60-0316
Item Description Item Description
1 Adjusting Screw *13 Stem Locknut
2 Locknut (Adjusting Screw) *14 Disc Pin
4 Spring Housing *16 Plate
5 Bolt (Spring Housing) *17 Disc
6 Spring Seat *18 Disc Guide
7 Spring 19 Cap
8 Upper Diaphragm Plate 20 Bolt (Body)
*9 Diaphragm 21 Index Pin (not shown)
10 Lower Diaphragm Plate 22 Name Plate
* 11 Stem 23 Stud (Body)
12 Body 24 Nut (Body Stud)
* Recommended Spare Parts
Bolts shown rotated
30° out of position
22
7
10
11
13
14
12
4
16
18
20
19
17
23
24
1
2
6
8
5
9
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