Cameron NAVCO S30 User manual

DISTRIBUTED VALVES
NAVCO®
S30 Three Piece Swing Out Ball Valve
NAVCO®
Installation, Operation and Maintenance Manual

DISTRIBUTED VALVES
203/2011 / IOM-NAV-BALL-S30
Installation, Operation and Maintenance Manual

DISTRIBUTED VALVES
03/2011 / IOM-NAV-BALL-S30 3Installation, Operation and Maintenance Manual
NAVCO®S30 THREE PIECE SWING OUT BALL VALVE
Bill of Materials..................................................................................... 4
Scope. .................................................................................................. 5
Storage................................................................................................. 5
Installation............................................................................................ 5
Operation ............................................................................................. 6
Routine Maintenance............................................................................ 7
Repair................................................................................................... 7
Reassembly........................................................................................... 8
TABLE OF CONTENTS

DISTRIBUTED VALVES
403/2011 / IOM-NAV-BALL-S30
Installation, Operation and Maintenance Manual
Bill of Materials
Item Description
1 Body
2 Ball
3 Cap
4 Seat
5 Thrust Washer
6 Joint Gasket
7 Packing
8 Washer
Item Description
9 Bolt
10 Packing Nut
11 Stem
12 Washer
13 Nut
14 Handle
15 Handle Cover
16 Body Seal

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Scope
The NAVCO®S30 3-piece ball valve is designed to satisfy a wide range of industrial and oilfield applications. It
has a swing out body, allowing the internals to be serviced while inline. The S30 comes standard with an
ISO 5211 mounting pad and stem, an adjustable, replaceable stem packing and is manufactured in carbon steel
and stainless trims. Sizes are available from ½” to 2” full bore, with threaded or socket weld end connections.
MOP is 2000psi for ½” through 1” and 1500psi 1-1/4” thru 2”.
Storage
After valves are assembled and tested, they are placed in the full open position, bores are greased and end
protectors are installed. These measures will provide adequate protection for approximately six months.
Extended indoor/outdoor storage requires periodic inspection and the addition of a corrosion inhibitor.
If long term storage is required, the valve should be conditioned by following Cameron procedure X-150771-01
and ensure adequate end connection covers are in place. Contact your Cameron representative for the
extended storage guidelines.
Valves should only be stored in the full open or full closed position to prevent seat distortion.
Installation
NAVCO S30 3-piece ball valves may be installed in any position with flow from either direction. However, for
best service life there is a preferred vertical or horizontal position, to maximize sealing and minimize the
accumulation of sediment.
In the vertical position it is preferred to have the upstream pressure from above so the weight of the ball will
assist the pressure in sealing. With the run of the valve in a horizontal position, it is preferred to have the stem
lying horizontal (i.e. toward the viewer), with pressure from the right. During operation, flow will act as a
siphon and minimize retention of sediment.
When handling or installing a valve, keep the valve in the full open position whenever possible to prevent
damage to the ball seal area. Threaded-end valves are installed using two wrenches, one on the flats of the
tailpiece adjacent to the pipe being installed, and the other on the adjacent pipe.
For socket weld end, to prevent ball and seat damage due to excessive heat or weld slag, the following
procedure is recommended for welding NAVCO®S30 valves into a line:
1. Use solvent to clean grease or rust inhibitor from the ball and/or bore of the valve.
2. Electric welding equipment is preferred for all installations. However, if only oxygen/acetylene welding
equipment is available, extreme caution should be taken regarding excess welding temperature.
3. Weld with ball in the Full Open position.
4. Make sure the temperature of body/seat area does not exceed 250F (Check with a Tempil stick).

DISTRIBUTED VALVES
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Installation, Operation and Maintenance Manual
!
CAUTION
5. Avoid rapid application of excess welding material. Weld each end of the valve with a continuous bead
using a 1/8 in. maximum diameter electric welding rod.
6. Thoroughly clean (by pigging and/or flushing) weld slag from valve bore and line before turning ball
to closed position.
Proper installation into the line should be done in accordance with the following procedure:
Caution: Ensure that all test fluids contain corrosion inhibitors and are compatible with valve
seat and seal material.
1. Preliminary Testing. Completely flush the system or the line to minimize damage to the seats and ball
surface which might be caused by weld slag or other foreign matter resulting from
installation procedures.
2. Line Testing. When performing this test, the valve should be in the half-open position to ensure that
the body cavity is completely filled with the test media and to prevent accidental over pressure
of the seats.
Caution: Line may be tested at a maximum of 1 ½ times the valve’s cold working pressure
rating without consulting the factory.
3. Seat Testing. When testing the seats with the valve in the closed position, do not exceed the valve’s cold
working pressure rating.
4. Upon completion of testing, purge all test fluids from the valve and return to the required operating
position, either fully open or fully closed.
Operation
NAVCO S30 ball valves operate from fully open to fully close by a 90 degree turn of the handle. The handle
aligned with the pipe always means the valve is open and with the handle perpendicular to the pipe means the
valve is closed.
Additionally, the stems have flats that align the handle and can be used to indicate ball position. The bore of
the ball is parallel with the faces of the stem flats.
NAVCO S30 valves may be power actuated. See the S30 flyer for ISO 5211 mounting configuration.
Pneumatic and hydraulic actuators, whether of the fail-open, fail-close, or fail-last position type, have OPEN
or CLOSED indicators on the top of each unit. On pneumatic actuators, make sure filters and lubricators (if
recommended by the actuator manufacturer) are installed prior to valve and actuator installation. Should any
maintenance be necessary, obtain the part number from the unit’s nameplate and contact the nearest Cameron
representative.
!
CAUTION

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03/2011 / IOM-NAV-BALL-S30 7Installation, Operation and Maintenance Manual
Routine Maintenance
Due to its design and simplicity the NAVCO S30 ball valve requires very little maintenance. It’s non-lubricated,
self-cleaning ball can provide reliable, leak free performance over a long period of time. The only preventative
maintenance recommended is to periodically inspect the valve for leaks around the stem or actuator. Should a
leak be noticed, the following procedure is for adjusting the stem packing:
1. Remove all line pressure from valve and body cavity.
2. With a wrench, tighten the packing adjustment nut in a clockwise direction.
3. Tighten only as much as required to stop any stem leak.
Caution: Excessive tightening of the packing adjustment nut will increase the torque required to
operate the valve.
Repair
Warning: Before repairing or refurbishing a valve, ensure that the valve and line has been fully de-pressurized,
drained, and where necessary, purged of all toxic/explosive/flammable media.
Refer to Exploded Parts view on page 1 for part location.
Turn ball (02) to open position and remove handle nut (13), washer (12), handle (14), packing nut (10), packing
(07), and stop screw.
Loosen one bolt per side (in line with each other) and remove the remaining 6 bolts (09) and washers (08).
Separate caps to insure that clearance is present between body (01) and cap (02). The center body section (01)
of the valve will swing out for access to the ball (02), stem (11), seats (04), joint gasket (06), and body seals (16).
Valve ball must be in the open position in order to swing out the body section.
Remove body seals (16) using a sharp instrument, being careful not to damage the surfaces of the seal groove.
Remove joint gaskets (06) and seats (04). Rotate stem (11) to the full closed position and slide the ball (02) out
of the body.
Finally push the stem (11) down through the body and out the side, also removing the thrust washer (05).

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Installation, Operation and Maintenance Manual
Reassembly
Cameron recommends replacement of all soft parts whenever the valve is disassembled for reconditioning.
• Lightly grease the thrust washer (05), the stem seal area, and the threads of the stem. Insert thrust washer
(05) into the body shoulder.
• Insert stem (11) up through the body cavity, through the thrust washer (05) and body stem bore. Make sure
the stem shoulder is firmly against the thrust washer (05) to where the stem is extended out of the top of the
body as far as possible.
• Press the body seals (16) into the grooves of each cap (03).
• Turn the stem (11) to a position with the ball/stem tang flats parallel to the cavity.
• Before installing the ball, make a visual inspection for any nicks, scratches, pitting or corrosion. Install the
ball (02) into the body (01), lining up the ball slot with the stem drive tang. The ball should be in the
closed position.
• Rotate ball (02) to the open position.
• Install joint gaskets (06) for each side of the body (01).
• Apply grease to the face of each seat (06) and simultaneously press seats into i.d. of the body bore and joint
gaskets (06) until contact is made with the ball.
• Carefully, avoiding damage to the seats and seals during assembly, swing valve body section back into posi-
tion while holding the seats and gaskets in place.
• Install and hand tighten all body bolts (09) and washers (08).
• Carefully install packing (7) over stem and press down into the counter bore of the body top pad.
• Install packing gland nut (10) over stem and thread into body until hand tight. Adjust the torque of the
packing gland to the following values:
½” 10 ft-lbs
¾” and 1” 15 ft-lbs
1-1/4” 22 ft-lbs
1-1/2” and 2” 26 ft-lbs
• Evenly tighten bolts (09) in an alternating sequence, until body (01) and cap (03) mating surfaces are metal to
metal. Do not exceed the torque values listed below.
½” and ¾” 5 ft-lbs
1” and 1-1/4” 10 ft-lbs
1-1/2” 27 ft-lbs
2” 42 ft-lbs

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• Install handle (14), handle washer (12), and handle nut (13).
• Install stop screw in the correct threaded hole to insure the valve operates from open to close by pulling the
handle towards you.
• Open and close valve several times to check for smooth operation.
• Verify the sealing integrity of the valve.

© Cameron Printed in USA 07/10-SWP-3M CT-GEN-TWINSEAL-02
DISTRIBUTED VALVES
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For the most current contact and location information go to: www.c-a-m.com
03/2011 / IOM-NAV-BALL-S30
Installation, Operation and Maintenance Manual