Anderson Greenwood AGCO Series 5100 POSRV IOM Owner's manual

Brand: Anderson Greenwood

Model: AGCO Series 5100 POSRV IOM

Type: Owner's manual

Before installation these instructions must be read fully and understood

Emerson.com/FinalControl

ANDERSON GREENWOOD SERIES 5100 POSRV

InstallatIon and MaIntenance InstructIons

1 GENERAL VALVE DESCRIPTION AND START-UP

1.1 Operation

The Anderson Greenwood Series 5100 valve is

designed for modulating action.

The main valve will open at nameplate set, but

only an amount proportional to the relieving

capacity required. As process pressure

increases, the valve will open more and be in

full lift at 103% of set.

The main valve uses the principle of

pressurizing the larger area of a differential

area piston with line pressure to hold the piston

closed up to set pressure. At set pressure, the

pilot relieves, depressurizing the volume on the

larger area side of the piston. Line pressure

acting on the smaller area side causes it to

lift, permitting discharge from the main valve.

As capacity relief of the system is satisfied,

system pressure will begin to decrease. When

it does, the pilot will actuate and direct system

pressure to the larger area side of the main

valve piston to close it.

The maximum operating temperature for the

Series 5100 is 515°F.

VCIOM-06040-EN 18/06

Engineering Doc. #05.9040.349 Rev. A

1.4 Maintenance

Anderson Greenwood recommended main valve

and pilot maintenance procedures including

pilot set pressure adjustment and valve

assembly testing are described in the following

paragraphs. Following these procedures in

a regular pressure relief valve maintenance

program appropriate for the specific operating

conditions will ensure satisfactory valve

performance and provide optimum service life.

Should the pressure/media requirements of a

pilot operated pressure relief valve be outside

the capabilities of the repair facility, contact

Anderson Greenwood for specific instructions

before starting any maintenance activity.

This manual is provided as a general guide for

the maintenance of the safety valves described

herein. It does not include procedures

covering all valve configurations and variations

manufactured by Anderson Greenwood. The

user is advised to contact Anderson Greenwood

or one of our authorized representatives for

assistance with valve configurations and

variations not covered in this manual.

1.2 Installation

Either or both inlet and outlet may be standard

ANSI flanges or API flanges and are to be installed

in accordance with accepted piping practices.

1.3 Start-up

There must be pressure at the valve inlet (or at

the pilot inlet/sense port for valves with remote

sense) to establish a differential force across

the piston and 'load' it in the closed position.

Pressure must pass through the pilot and exert

force on the top of the piston. On normal plant

start up the valve will close itself as pressure

increases.

Block valves are used often under safety valves

to isolate them when maintenance is required.

When putting the safety valve in service, be

sure the block valve is opened fully. If the block

valve is opened after system start up, the safety

valve may vent briefly before the volume on the

larger area side of the piston gets pressurized

to close the main valve piston.

TABLE OF CONTENTS

1. General valve description and start-up ......1

2. Main valve maintenance ..............................2

3. Pilot maintenance ........................................5

4. Pilot pre-set pressure adjustment .............8

5. Valve assembly testing.................................9

6. Soft goods repair kit ................................... 10

12 8

ANDERSON GREENWOOD SERIES 5100 POSRV

InstallatIon and MaIntenance InstructIons

Item Description

1 Body

2 Piston

3 Liner

4 Nozzle

5 Seat

6 Seat retainer

7 Seat retainer screw(s)

8 Cap

9 Dipper tube

10 Piston seal

11 Nozzle seal

12 Liner seal

13 Retaining ring

14 Cap bolt

15 Lock washer(s)

16 Dome spring

17 Nozzle retainer

18 Wedge ring

20 Siphon tube assembly

21 Bushing seal

FIGURE 1

2 MAIN VALVE MAINTENANCE

2.1 Disassembly

Refer to Figure 1 for parts description and

location.

Unscrew the siphon tube assembly and remove

the bushing seal. Remove the cap from the

body. Remove the piston, liner seal, and liner.

Abolt may be threaded into the hole in the top

of the piston to aid in removal from the liner.

Remove the seat retainer from the piston. The

2”, 3” and 4” sizes have threaded holes in the

seat retainer to aid in removal. Remove the soft

goods from the piston. If the piston is equipped

with a wedge ring, clean and retain it for use

during assembly. The dipper tube is swaged

in place and no attempt should be made to

remove it.

1.5” (40) 5146 (*) 06.5612.003 0.500-20 (**) 2 41 (56)

1.5” (40) 5146 (*) 06.5612.003 0.625-18 (**) 2 51 (69)

2” (50) 5146 06.5612.005 0.500-20 (**) 4 27 (37)

3” (80) 5146 06.5612.007 0.500-20 (**) 4 35 (47)

1.5” (40) 5166 06.5612.005 0.500-20 (**) 2 19 (26)

2” (50) 5166 06.5612.007 0.500-20 (**) 2 31 (42)

3” (80) 5166 06.5612.008 0.750-16 (**) 2 113 (153)

4” (100) 5166 06.5612.011 0.625-18 (**) 2 63 (85)

6” (150) 5166 06.5612.012 0.750-16 (**) 2 88 (119)

8” (200) 5166 06.5612.014 1.125-12 (**) 10 89 (121)

ANDERSON GREENWOOD SERIES 5100 POSRV

InstallatIon and MaIntenance InstructIons

2.1.1 Nozzle and nozzle seal disassembly

The nozzle and nozzle seal should not be

removed unless the nozzle is damaged

or the seal is leaking. The following

procedure should be followed if the

nozzle has to be removed.

Refer to Figure 2 for parts description

and location.

1. Place liner in body and piston (without

seat or seat retainer) into liner and on

top of nozzle.

2. Place appropriate spacer (see Table I)

on top of piston and then the cap over

the spacer.

3. Thread the appropriate number of cap

bolts (see Table I) into threaded holes

on top of body. If two bolts are used,

they should be 180° apart. When using

four bolts, they should be 90° apart.

4. Tighten cap bolts evenly to the torque

listed in Table I to compress nozzle

seal.

5. Through the main valve outlet, use

a punch or bar with a light hammer

and tap on the nozzle retainer teeth to

loosen the nozzle retainer. Unthread

nozzle retainer approximately ½ turn.

6. Loosen cap bolts to remove load from

nozzle. Remove components from

main valve.

FIGURE 2

Cap bolt

Cap

Spacer

Body

Liner

Piston

Nozzle retainer

Nozzle

Nozzle seal

TABLE I - Cap bolts torque for nozzle seal removal and installation

Valve size

Valve type Spacer P/N Cap bolt thread

# Cap bolts

to use

Cap bolt torque

inches (mm) ft·lb (Nm)

Notes: (*) G and H Orifice, (**) UNF

2.2 Main valve nozzle rework

The main valve nozzle seating surface detail

with the 32 Ra finish is shown in Figure 3.

Table II shows the required minimum nozzle

projection height.

Should the main valve nozzle seating face

become nicked or scratched such that the main

valve seat does not seal, the imperfections

can be removed by polishing the nozzle face

with 400 grit sandpaper on a flat surface plate.

Certain critical nozzle dimensions and finishes

must be maintained and those are shown in

Figure 3 and Table II.

R 0.010 [0.25]

0.020 [0.51]

¼” 7 (9)

16” 12 (16)

⅜” 21 (28)

16” 33 (45)

½” 45 (61)

16” 59 (80)

⅝” 97 (132)

¾” 130 (176)

⅞” 202 (274)

1” 271 (367)

1⅛” 408 (553)

1½” (40) 5146 0.045 (1.14)

2” (50) 5146 0.055 (1.4)

3” (80) 5146 0.055 (1.4)

1½” (40) 5166 0.055 (1.4)

2” (50) 5166 0.055 (1.4)

3” (80) 5166 0.055 (1.4)

4” (100) 5166 0.070 (1.78)

6” (150) 5166 0.070 (1.78)

8” (200) 5166 0.070 (1.78)

ANDERSON GREENWOOD SERIES 5100 POSRV

InstallatIon and MaIntenance InstructIons

TABLE III - Cap bolts torque for installation of

main valve cap

Bolt size

Torque value

ft·lbs (Nm)

2.3 Assembly

Refer to Figure 1 for parts description and

location.

2.3.1 Nozzle and nozzle seal installation

1. Place nozzle seal and nozzle in body.

2. Place nozzle retainer over nozzle

and thread into body until it stops

on nozzle shoulder. Do not lubricate

nozzle retainer threads or mating body

threads.

3. Repeat steps 1 through 4 of

disassembly procedure to compress

nozzle seal. Thread nozzle retainer

into body as seal is compressed to

keep nozzle retainer from binding

against piston.

4. Use a punch or bar with a light

hammer and tap on the nozzle

retainer teeth to snug the nozzle

retainer threads.

5. Loosen cap bolts to remove load from

spacer and remove spacer from valve.

2.3.2 Apply a light coat of Dow Corning #33

silicone lubricant on all threads after

cleaning. Do not use any lubricant on the

soft goods.

2.3.3 The soft goods kit should have a new

main valve seat, liner seal, piston seal,

nozzle seal and siphon tube-bushing

assembly seal. If the valve came with

a wedge ring, clean and retain for

assembly.

2.3.4 Assemble the seat (5) and seat retainer

(6) into the piston (2) as shown in

Figure1 using retainer screw(s) (7), and

lock washer(s) (15).

Note: over-tightening of seat retainer

screws can distort or damage seat and

cause leakage. Retainer screws should

be installed until assembly is snug.

Then tighten an additional ¼ to ½ turn to

secure assembly.

FIGURE 3

Minimum

projection

TABLE II, INCHES (mm)

Valve size Valve type Min. nozzle projection height

2.3.5 Place the original wedge ring (18) (if so

equipped) on the upper end of the piston,

as shown in Figure 1. Next, slide the

piston seal (10) in place above the wedge

ring with the open (spring) side up.

Note: no lubrication should be used in

assembling the wedge ring and piston

seal.

2.3.6 Subsequently, install the spirolox

retaining ring (13) by separating the coils

and inserting one end of the ring into the

groove. Wind the ring into the groove and

inspect for proper seating.

2.3.7 Check the liner seating area at the top

of the valve body for cleanliness and

remove any foreign material. Insert the

liner (3) until its flange rests on the body

recess.

2.3.8 Put the liner seal (12) in its recess in the

top, outer edge of the liner.

2.3.9 Insert the piston into the liner and press

it down by hand until the seat contacts

the nozzle. Place the dome spring (16) on

top of the piston.

2.3.10 Install the cap (8) on top of the liner.

Make sure the cap is seated squarely on

the body and the raised face on the cap

is inside the recess on the body opening.

Rotate the cap so that the threaded hole

is closest to the outlet flange of the valve.

2.3.11 Apply a light coat of lubricant to cap bolt

threads. Insert the cap bolts (14) and

tighten finger tight. Tighten opposite

bolts alternately to maintain parallelism

between the cap and body top face.

Torque the cap bolts to the values shown

in Table III. Torque cap bolts uniformly

so as not to ‘cock’ cap. Such a condition

may result in leakage at the liner seal or

cause the piston and liner to bind.

2.3.12 Install siphon tube-bushing assembly

and the bushing seal.

ANDERSON GREENWOOD SERIES 5100 POSRV

InstallatIon and MaIntenance InstructIons

3 PILOT MAINTENANCE

3.1 Disassembly

3.1.1 To facilitate re-assembly, place all parts

removed in an orderly arrangement so

that the correct parts can be assembled

in the proper sequence. Refer to Figure 4

for parts description.

3.1.2 Remove cotter pin (32), lever pin (31) and

lifting lever (30). Remove the lift lever cap

screw (35) and cap (29). Remove cotter

pin (34) from the spindle nut (33) and

remove the spindle nut.

3.1.3 Remove lock nut (26) and loosen

the pressure adjustment screw (25)

completely. Remove the bonnet ring

screw (21), bonnet ring (20) and bonnet

(19). Remove bonnet ring by using a

⅜-16UNC-2A bolt approximately 2½”

long and use as a handle (or use a

spanner wrench).

Note: be careful not to drop the spring

(27) spring washers (23 and 24) and lifting

rod (27) when removing the bonnet.

3.1.4

Slide the lifting rod bushing (28) and lifting

rod through the spring washers and spring.

3.1.5 Remove four piston plate screws (38)

and remove the piston plate (11) with

attached sense piston (12), piston seal

(17), piston connector (2), inlet seat (3),

inlet nozzle (14), exhaust seat retainer

(4), exhaust seat (37), exhaust seat stem

(5). Remove and discard body/piston

plate seal (40).

3.1.6

Remove bushing (13) using a ½” hex drive.

3.2 Pilot assembly (refer to Figure 4)

During assembly it must be observed

that all moving parts are free to move

throughout their full travel without any

binding.

3.2.1 Inlet seat/nozzle lapping

A slightly worn inlet seat and nozzle may

be repaired by lapping. If either part is

‘washed-out’, they must be replaced with

new parts. New parts must be lapped.

Place inlet seat through inlet nozzle.

Apply small amount of Hyprez 3L

diamond lapping compound or equal

to the inlet seat’s conical surface. Hold

the inlet nozzle in one hand and lap the

inlet seat lightly with the inlet nozzle

by spinning the inlet seat onto the inlet

nozzle’s seating surface.3.1.7 Place pilot on its side and remove the

¼” pipe plug (42) from the bottom of the

valve. With a brass, ⅜” diameter, flat end

rod and hammer, tap gently through the

bottom hole and push the spool/body

O-ring seals (39), dome spool (15), dome

seal (18), dome seal backup ring (16),

exhaust nozzle (6), exhaust washer (7),

stem seal (36) and stop washer (8) out of

body. Discard spool/body O-rings, stem

seal, dome seal and dome seal backup

ring.

Note: if dome spool (15) and exhaust

nozzle (6) are difficult to separate, place

exhaust nozzle into a soft jawed vise.

Using a flat end brass bar hold it next

to the dome spool and tap gently using

a hammer. Be careful not to scratch or

damage the parts.

3.1.8 Unscrew the sense piston from the

piston connector by placing an open end

wrench onto the flats on both parts (use

soft jawed vise to hold sense piston if

available). Use an acetone based solution

to remove the Loctite 242 solution from

the threads. Slide the piston connector

through the piston plate. Holding the

flats on the inlet nozzle and piston

connector, unthread piston connector

from inlet nozzle and remove inner

spring (10) and outer spring (9).

WARNING

Remove piston seal from sense piston carefully

to prevent scratching the sealing surface (O.D.) of

piston. Discard piston seal.

3.1.9 Insert a ⅛” hex drive into top of inlet

seat and with another ⅛” hex drive,

insert into the bottom of the exhaust

seat stem and unthread. Separate the

exhaust seat retainer from the inlet seat.

Remove exhaust seat from exhaust seat

retainer and discard exhaust seat. Use

an acetone based solution to remove the

Loctite 242 solution from the threads.

31, 32

ANDERSON GREENWOOD SERIES 5100 POSRV

InstallatIon and MaIntenance InstructIons

Item Description

1 Pilot body

2 Piston connector

3 Inlet seat

4 Exhaust seat retainer

5 Exhaust seat stem

6 Exhaust nozzle

7 Exhaust washer

8 Stop washer

9 Outer spool spring

10 Inner spool spring

11 Piston plate

12 Sense piston

13 Bushing

14 Inlet nozzle

15 Dome spool

16 Dome seal backup ring

17 Piston seal

18 Dome seal

19 Spring bonnet

20 Bonnet ring

21 Bonnet ring screw

22 Spring

23 Spring washer (upper)

24 Spring washer (lower)

25 Pressure adjustment screw

26 Adjusting screw locknut

27 Lifting rod

28 Lifting rod bushing

29 Lift lever cap

30 Lift lever

31 Lever pin

32 Cotter pin

33 Spindle nut

34 Cotter pin

35 Cap screw

36 Stem seal

37 Exhaust seat

38 Piston plate screw

39 Spool/body seal

40 Body/piston plate seal

41 Roll pin

42 Pipe plug - ¼” NPT

43 Pilot nameplate

44 Patents nameplate

45 Drive pin

FIGURE 4

ANDERSON GREENWOOD SERIES 5100 POSRV

InstallatIon and MaIntenance InstructIons

3.2.2 Clean the inlet seat and nozzle by

removing the lapping compound using

Varsol followed by acetone. Afterwards,

wipe with a clean lint-free cloth or towel.

When dry, the seating surface should be

examined to verify if an acceptable sealing

surface has been achieved. A proper

surface is one which exhibits a dark gray

appearance with no visible scratches

across the entire lapping surface.

3.2.3 Inlet seat and exhaust seat sub assembly

Examine the exhaust seat carefully to

verify if one side is concave and the other

side is flat.

Place the inlet seat through the inlet

nozzle. Slide the exhaust seat retainer

onto the inlet seat. Slide the exhaust seat

with the flat face down onto the exhaust

seat stem. Place a small amount of

Loctite 242 on the threads of the inlet

seat. Thread the exhaust seat stem onto

the inlet seat squeezing the exhaust seat

into the exhaust seat retainer. Using a

⅛” hex drive that is on top of the inlet

seat and the exhaust stem, tighten

the inlet seat onto the exhaust stem.

(Becareful not to over-tighten, may

cause damage to the parts)

3.2.4 Place the stem seal with the opening of

the cup facing outward into the exhaust

washer. Place stop washer into body

cavity with the raised face up. Place

body/spool O-ring seal into body cavity

on top of the stop washer. Place exhaust

washer into body cavity with the U-cup

seals facing down into the cavity. Place

exhaust nozzle into body cavity with the

larger open end facing downward next to

the exhaust washer. Place another body/

spool O-ring seal into cavity.

3.2.5 Place back-up ring into dome spool.

Next, place dome seal on top of back up

ring with the opening of the dome seal

facing up. Place dome spool into body

cavity with dome seal facing up. Place

final body/spool O-ring seal into body

cavity. Apply a light coating of Fluorolube

LG-160 oil or equivalent on threads of

bushing. Thread bushing (13) into body

and tighten until spool set is compressed

fully metal-to-metal.

3.2.6 Place inner spool spring onto the inlet

seat. Place outer spool spring over the

inner spool spring onto the inlet seat.

Place a small amount of Loctite 242 on

the threads of the inlet nozzle. Thread

on the piston connector and tighten,

compressing the springs.

3.2.7 Install piston seal carefully into the

groove of the piston with the opening

of the seal facing outward. Insert the

piston carefully into the piston plate.

Place a small amount of Loctite 242 on

the threads the piston connector. Thread

the piston connector onto the piston and

tighten using the wrench flats on both

parts.

3.2.8 Place body/piston plate seal between

these parts and very carefully, guide the

exhaust seat stem of the upper assembly

through the bushing, dome spool seal

and stem seal. (Be careful not to scratch

or dent the exhaust nozzle seating

surface). Also, be careful not to damage

the dome seal. This assembly will stop

when the exhaust seat comes in contact

with the exhaust nozzle. Install the cap

screws through the piston plate and into

the body and tighten to 18 ft·lb (24 Nm).

Place roll pin (41) into pin locator hole

located near the edge of the piston plate.

3.2.9 Lift lever (refer to Figure 4)

3.2.9.1 Thread the lift rod bushing onto the lift

rod. Place a light coat of Fluorolube

LG-160 oil or equivalent to the contact

surface of the bushing and bottom

spring washer (24). Slide the lifting rod

with bushing through the bottom spring

washer.

3.2.9.2 Apply a light coating of Fluorolube

LG-160 oil or equivalent on the top

of the sense piston where the lifting

rod bushing will contact. Place the

bottom washer, bushing and lifting

rod assembly on top of sense piston

followed by stacking the spring and the

top spring washer. Lower the bonnet

over the spring and spring washer stack

until the flange rests on the piston plate

with the pin engaged in its respective

hole in the bonnet outer rim. Apply a

light coating of Fluorolube LG-160 oil or

equivalent on the outer threads of the

body.

3.2.9.3 Slide the bonnet ring over the bonnet

and thread onto the body capturing

the bonnet. Thread the ⅜” bolt used

during disassembly of bonnet into the

threaded hole in the bonnet ring (do

not bottom). Use the bolt as a handle

to tighten the ring into place. Or, use a

spanner wrench and tighten using the

unthreaded hole.

ANDERSON GREENWOOD SERIES 5100 POSRV

InstallatIon and MaIntenance InstructIons

3.2.9.4 Place a small drop of Loctite 242 or

equal on the threads of the bonnet ring

screw, thread into the side of the bonnet

ring and tighten.

3.2.9.5 Apply a light coating of Fluorolube

LG-160 oil or equivalent on the internal

threads of the bonnet and the threads

of the pressure adjustment screw (25).

Screw the adjustment screw into the

bonnet until it contacts the top spring

washer. Thread the adjustment screw

nut (26) down the adjustment screw

until the nut contacts the bonnet and

then secure hand tight. Go to Section 4

for adjustment of pilot set pressure.

3.2.9.6 Thread spindle nut onto lift rod just

enough to be able to insert the cotter

pin (34). Do not insert cotter pin yet.

Place cap (29) on bonnet. Guide lifting

lever through cap under the spindle

nut and attach to cap using the lever

pin. Adjust the spindle nut until there

is a

16inch (1.5mm) minimum of play

between the lifting lever and the spindle

nut. The spindle nut may be adjusted by

removing the lifting lever pin and lifting

lever.

3.2.9.7 Once the spindle nut has been set,

remove cap and place cotter pin (34)

into spindle nut. Replace cap on bonnet

and position the lifting lever opposite

to the valve outlet and install the cap

screws. Install lock wire from lever pin

to cap screw to bonnet ring screw.

3.3 Place pilot assembly on its side and install

¼” pipe plug with PTFE tape into port on the

bottom of the pilot body.

3.4 During assembly it must be observed that

all moving parts are free to move throughout

their full travel without any binding.

4 PILOT PRE-SET PRESSURE ADJUSTMENT

4.1 Definitions, pilot only

Set pressure is defined as that pressure where

the dome pressure is 70% of supply pressure.

Crack pressure is defined as the supply

pressure on increasing pressure at which dome

pressure reduction first occurs.

Reseat pressure is defined as the supply

pressure where the dome pressure increases

to 70% of supply pressure. The dome pressure

will continue to increase until the supply

pressure decreases to 94% of set.

4.2 Set pressure, pilot only

4.2.1 Valves can be checked on air for

tightness and set pressure prior to

testing on steam.

To adjust the set pressure, a test set up

similar to that shown in Figure 5 should

be used. The test medium should be

4.3 Range of adjustment

All pilots can be adjusted ± 5% beyond the

nameplate setting. If a set pressure change

is made that requires a new spring, Consult

Factory for information contained in spring

chart.

4.4 Performance requirements, pilot only

Pilot crack pressure shall be at least 96% of set

pressure. Refer to performance requirements,

Section 5.4 for set pressure tolerance and

reseat pressures.

steam. The adjustment screw should

be turned IN most of the way. Increase

the supply pressure to nameplate

setting and back-out the adjustment

screw slowly until flow through the pilot

exhaust begins. Continue to back-out

the adjustment screw slowly until

dome pressure is 70% of the supply

pressure and the supply pressure meets

the required set pressure tolerance

of paragraph 4.4. After adjustment is

completed, securely tighten the jam nut.

To determine reseat pressure, shut off

the air supply and use the accumulator

vent valve to slowly reduce the supply

pressure until the dome pressure is 75%

of supply pressure.

Close the shut-off valve and open the

bleed valve slowly. When the dome

pressure gauge reading is zero, the pilot

may be removed from the test set-up.

ANDERSON GREENWOOD SERIES 5100 POSRV

InstallatIon and MaIntenance InstructIons

5 VALVE ASSEMBLY TESTING

5.1 General

The complete valve assembly must be tested

for leakage. The test medium should be steam.

5.2 Set pressure and blowdown check

5.2.1

Increase pressure to the valve inlet slowly

until the first audible discharge is detected.

This is set pressure. Adjust set pressure

as required to meet the performance

requirements of paragraph 5.4.

5.2.2 Increase pressure to the valve inlet to a

minimum of 103% of the set pressure

determined in paragraph 5.2.1 above

and then decrease pressure slowly until

valve reseat occurs. The blowdown must

meet the performance requirements of

paragraph5.4.

FIGURE 5

Pilot adjustment steam test set-up

Set pressure adjustment

(Turn in to increase set pressure)

(Turn out to decrease set pressure)

Bleed valve

Dome pressure gauge

Supply pressure gauge

Block valve

Air

supply

Vent valve

Shut-off

valve

Accumulator (approx. ¼ cu ft)

Flexible hose (to inlet port)

Pilot exhaust port

Mounting stub (solid)

5.3 Leakage check

NOTE

Actuate valve a minimum of 2 times prior to testing

the pilot for seat leakage.

5.3.1 Seat tightness test should be conducted

at maximum of 95% of nameplate set

pressure but not to exceed the reseating

pressure of the valve. When being tested,

a valve exhibiting no visible signs of

leakage will be considered adequately

tight.

5.3.2 There must be no visible signs of

external leakage at 90% of nameplate

set pressure.

5.4 Performance requirements

Adjust the valve set pressure to the nameplate, within tolerance listed below.

5.4.1 SET PRESSURE

Set pressure, psig (barg) Tolerance

≤ 70 (4.83) 2psig (0.14barg)

> 70 (4.83) and ≤ 300 (20.68) 3% of set pressure

> 300 (20.68) and ≤ 1000 (68.95) 10psig (0.69barg)

> 1000 (68.95) 1% of set pressure

5.4.2 BLOWDOWN

Set pressure, psig (barg) Maximum blowdown

< 67 (4.62) 4psig (0.28barg)

≥ 67 (4.62) and < 250 (17.24) 94% of the actual set pressure

≥ 250 (17.24) and < 375 (25.85) 15psig (1.03barg)

≥ 375 (25.85) 96% of the actual set pressure

Note: minimum blowdown for all safety or safety relief valves shall be 2psig (0.14barg) or 2% of the set

pressure, whichever is greater.

PTFE 15 - 1500 (1.03 - 103.42) 0.023 0.024 0.025

PEEK 1500 - 6250 (103.42 - 430.92) 0.03 0.031 0.032

PTFE 15 - 1500 (1.03 - 103.42) 0.024 0.025 0.026 0.027 0.028 0.029

PEEK > 1500 (> 103.42) 0.031 0.032 0.033 0.034 - -

ANDERSON GREENWOOD SERIES 5100 POSRV

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6 SOFT GOODS REPAIR KIT

6.1 Pilot repair kits

04.4959.477, SGK Series 5100 LP-SP-HP

6.2 Main valve repair kits

6.2.1 Type 5146 (Base part no. 06.3366.XXX)

6.2.2 Type 5166 (Base part no. 06.3366.XXX)

Seat material

Set pressure

psig (barg)

1½ x 2

[1]

2 x 3

[1]

3 x 4

[1]

4 x 6

[2]

6 x 8

[3]

8 x 10

[3]

(40 x 50) (50 x 80) (80 x 100) (100 x 150) (150 x 200) (200 x 250)

Seat material

Set pressure

psig (barg)

1½ x 3

[1]

2 x 3 3 x 4

(40 x 80) (50 x 80) (80 x 100)

[1]

Minimum set pressure is 25psig (1.72barg)

[1]

Set pressure range is 15 - 3750psig (1.03 - 258.55barg)

[2]

Set pressure range is 15 - 2250psig (1.03 - 155.13barg)

[3]

Set pressure range is 15 - 1500psig (1.03 - 103.42barg)

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